DeltaSol CS/4 * * Mounting Connection Application examples Operation Troubleshooting

Transcription

1 DeltaSol CS/4 Mounting Connection Application examples Operation Troubleshooting * * Thank you for buying this RESOL product. Read this manual carefully to get the best perfomance from this unit. Please keep this manual carefully. Manual

2 Safety advice Please pay atttion to the following safety advice in order to avoid danger and damage to people and property. Instructions Atttion must be paid to the valid local standards, regulations and directives! Target group These instructions are exclusively addressed to authorised skilled personnel. Only qualified electricians should carry out electrical works. Initial installation must be effected by qualified personnel named by the manufacturer. Description of symbols WARNING! Warnings are indicated with a warning triangle! They contain information on how to avoid the danger described. Signal words describe the danger that may occur, wh it is t avoided. WARNING means that injury, possibly life-threating injury, can occur. ATTENTION means that damage to the appliance can occur. Notes are indicated with an information symbol. Information about the product Proper usage The solar controller is designed for use in solar thermal systems and heating systems in compliance with the technical data specified in this manual. Improper use excludes all liability claims. CE Declaration of conformity The product complies with the relevant directives and is therefore labelled with the CE mark. The Declaration of Conformity is available upon request, please contact the manufacturer. Strong electromagnetic fields can impair the function of the controller. Make sure the controller as well as the system are t exposed to strong electromagnetic fields. Disposal Dispose of the packaging in an vironmtally sound manner. Dispose of old appliances in an vironmtally sound manner. Upon request we will take back your old appliances bought from us and guarantee an vironmtally sound disposal of the devices. Subject to technical change. Errors excepted. Arrows indicate instruction steps that should be carried out _ _DeltaSol_CS4.mon.indd 2

3 Contts 1 Installation Mounting Electrical connection VFD Grundfos Direct Ssor PWM output Data communication / Bus Terminal allocation in the differt system layouts Operation and function Push buttons System-Monitoring-Display Flashing codes Commissioning Channel overview Display channels Adjustmt channels Troubleshooting Various Accessories

4 Overview System-Monitoring-Display Up to 4 Pt1000 temperature ssors Semiconductor relays for pump speed control 3 basic system layouts to choose from 1 input for a VFD Grundfos Direct Ssor Heat quantity measuremt VBus Function control Thermostat function (time-controlled) Control of the system by ServiceCter software possible User-fridly operation Housing with outstanding design Extra-low power consumption HE pump control Drainback option Technical data Inputs: 4 Pt1000 temperature ssors, 1 VFD Grundfos Direct Ssor Outputs: 2 semiconductor relays, 1 PWM output PWM frequcy: 512 Hz PWM voltage: 10,5 V Switching capacity: R1: 1 (1) A V~ (semiconductor relay) R2: 1 (1) A V~ (semiconductor relay) Total switching capacity: 2 A 240 V~ Power supply: V~ (50 60 Hz) Supply connection: type Y attachmt Power consumption: < 1 W (standby) Mode of operation: type 1.C.Y action Rated impulse voltage: 2.5 kv Data interface: RESOL VBus VBus currt supply: 35 ma Functions: function control, operating hours counter, tube collector function, thermostat function, speed control, drainback option with booster function and heat quantity measuremt Housing: plastic, PC-ABS and PMMA Mounting: wall mounting, mounting into patch panels is possible Indication / Display: System-Monitoring-Display for visualisation of systems, 16-segmt and 7-segmt display, 8 symbols for indication of system status Operation: 3 push buttons at the front Ingress protection: IP 20 / EN Protection class: I Ambit temperature: 0 40 C [ F] Pollution degree: 2 Dimsions: 172 x 110 x 46 mm

5 1 Installation 1.1 Mounting display The unit must only be installed in a dry interior location in a n-hazardous location away from electromagnetic fields The controller must additionally be supplied from a double-pole switch with contact gap of at least 3 mm. Route ssor cables and power supply cables separately. Unscrew the cross-head screw from the cover and remove it along with the cover from the housing Mark the upper fasting point on the wall and drill Fast the closed wall plug and screw leaving the head protruding Hang the housing from the upper fasting point and mark the lower fasting point through the hole in the terminal box (cters 130 mm) Drill and insert the lower wall plug Fast the housing to the wall with lower fasting screw and tight Complete wiring connections in accordance with terminal allocations, see chap. 2.2 Electrical connection Place the cover back onto the housing Fast the cover by means of the cross-head screw cover cable conduits with strain relief push button fuse 2A WARNING! Electric shock! Oping the housing will expose live parts! Switch off power supply and disconnect the device from power supply before oping the housing! upper fasting 130 lower fasting 5

6 1.2 Electrical connection WARNING! DeltaSol CS/4 PWM VFD ESD damage! Electrostatic discharge can lead to damage to electronic componts! Take care to discharge properly before touching the inside of the device. To do so, touch a grounded surface such as a radiator or tap! The minimum pump speed must be set to 100 % wh auxiliary relays or valves are connected. The mains connection must be carried out with the common ground of the building to which the pipework of the solar thermal system is connected. IP 20 R1 1 (1) A 240 V~ R2 1 (1) A 240 V~ s 0 ssor terminals 12 Made in Germany T2A V~ Hz R1 N N R PE and load terminals VBus IP 20 L 20 N 17 R1 1 (1) A 240 V~ R2 1 (1) A 240 V~ Temp. Ssor Pt1000 S1 S2 S3 S4 VBus PE terminals 14 T2A V~ Hz R1 N L N R2 N load terminals fuse power supply terminals Connecting the device to the mains supply must always be the last step of the installation! The power supply to the controller must be carried out via an external power switch (last step!). The supply voltage must be V~ (50 60 Hz). Flexible cables must be attached to the housing with the closed strain relief and the corresponding screws. The controller is equipped with two semiconductor relays, to which loads such as pumps, valves etc. can be connected: Relay 1 Relay 2 18 = conductor R1 16 = conductor R2 17 = neutral conductor N 15 = neutral conductor N 13 = protective conductor 14 = protective conductor The mains supply is to be carried out at the terminals: 19 = neutral conductor N 20 = conductor L 12 = protective conductor The temperature ssors (S1 up to S4) are to be connected to the following terminals with either polarity: 1 / 2 = Ssor 1 (e.g. Ssor collector 1) 3 / 4 = Ssor 2 (e.g. Ssor store 1) 5 / 6 = Ssor 3 (e.g. Ssor store top) 7 / 8 = Ssor 4 (e.g. Ssor return) All Pt1000 temperature ssors are equipped with a platinum measuring elemt in their tip. The electrical resistance of the measuring elemt changes in relation to the temperature (see table in chap. 5). The differce betwe FKP and FRP type ssors only lies in the cable insulation material. The insulation material of FKP type ssor cables resists a higher temperature, so that FKP type ssors should be used as collector ssors. FRP type ssors are best used as referce ssors in stores or pipes. DeltaSol CS/4 PWM VFD Made in Germany R1 1 (1) R2 1 (1) Temp. Ssor Pt1000 S1 S2 S3 S4 VBus Ssor terminals S1 S4 6

7 1.3 VFD Grundfos Direct Ssor The controller is equipped with 1 input for a digital VFD Grundfos Direct Ssor for measuring the flow rate and the temperature. Connection is made at the VFD terminal (bottom left). 1.4 PWM output The speed of a HE pump is adjusted through a PWM signal. In addition to connection to the relay, the pump must be connected to the PWM output of the controller. Power is supplied to the HE pump by switching the corresponding relay on or off. The two left-hand pins of the connection marked PWM are the control output for a pump with PWM control input. The two right-hand pins are inactive. DeltaSol C PWM 1 = PWM output 1, control signal 2 = PWM output 1, GND 1.5 Data communication / Bus R2 1 (1) A 24 r Pt1000 S3 S4 VBus VBus connection terminals The controller is equipped with a RESOL VBus for data transfer with and ergy supply to external modules. The connection is carried out at the terminals marked VBus (either polarity). One or more RESOL VBus modules can be connected via this data bus, such as GA3 Large Display, SD3 Smart Display DL3 Datalogger DL2 Datalogger VBus /USB or VBus /LAN interface adapter AM1 Alarm Module WMZ calorimeter module By means of a Datalogger or an interface adapter, the controller can be connected to a PC or a computer network. Differt solutions for visualisation and remote parameterisation are availabe on the RESOL website 7

8 1.6 Terminal allocation in the differt system layouts System layout 1 The controller calculates the temperature differce betwe collector ssor S1 and store ssor S2. If the differce is larger than or idtical to the adjusted switch-on temperature differce (DT O), the solar pump will be operated by relay 1, and the store will be loaded until the switch-off temperature differce (DT F) or the maximum store temperature (S MX) is reached. Ssors S3 and S4 can optionally be connected for measuremt purposes. S3 can optionally be used as referce ssor for the store emergcy shutdown option (OSEM). If heat quantity measuremt (OHQM) is activated, S4 and VFD are to be connected as flow and return ssors respectively. If the drainback option (ODB) is activated, relay 2 can be used to operate a booster pump by activating the booster function (OBST). PWM VFD VBus 9 10 S1 S1 exemplary Drainback system layout (with booster pump) R1 S4 / VFD / TFL S3 /TSTT R1 R2 S3 S4 / VFD / TR S2 S2 8

9 Display Channels Channel Description Terminal Page INIT x* ODB initialisation active - 24 FLL x* ODB filling time active - 24 STAB x* ODB stabilisation in progress - 24 COL x Temperature collector S1 24 TST x Temperature store S2 24 S3 x Temperature ssor 3 S3 24 TSTT x* Temperatur store at the top S3 24 S4 x Temperature ssor 4 S4 24 TFL x* Temperature flow ssor S1 / S4 / VFD 24 TR x* Temperature return ssor S4 / VFD 24 VFD x* Temperature Grundfos Direct Ssor VFD 24 L/h x* Flow rate Grundfos Direct Ssor VFD 25 n % x Pump speed R1 R1 25 hp x Operating hours R1 R1 26 hp1 x* Operating hours R1 (if OBST is activated) R1 26 hp2 x* Operating hours R2 (if OBST is activated) R2 26 kwh x* Heat quantity kwh - 25 MWh x* Heat quantity MWh - 25 TIME x Time - 25 Adjustmt Channels Channel Description Factory setting Page Arr x System 1 26 DT O x Switch-on temperature differce R1 6.0 K [12.0 Ra] 26 DT F x Switch-off temperature differce R1 4.0 K [8.0 Ra] 26 DT S x Nominal temperature differce R K [20.0 Ra] 26 PUM x Pump control type R1 PSOL 28 RIS x Rise control R1 2 K [4 Ra] 28 nmx x Maximum pump speed R1 100 % 28 nmn x Minimum pump speed R1 30 % 28 S MX x Maximum store temperature 60 C [140 F] 29 OSEM x Option store emergcy shutdown OFF 29 EM x Emergcy temperature collector 130 C [270 F] 29 Emergcy temperature collector if ODB is activated: 95 C [200 F] 29 OCC x Option collector cooling OFF 30 CMX x* Maximum collector temperature 110 C [230 F] 30 OSYC x Option system cooling OFF 30 9

10 Adjustmt Channels Channel Description Factory setting Page DTCO x* Cooling switch-on temperature differce 20.0 K [40.0 Ra] 30 DTCF x* Cooling switch-off temperature differce 15.0 K [30.0 Ra] 30 OSTC x Option store cooling OFF 30 OHOL x* Option holiday cooling OFF 30 THOL x* Holiday cooling temperature 40 C [110 F] 31 OCN x Option minimum limitation OFF 31 CMN x* Minimum collector temperature 10 C [50 F] 31 OCF x Option antifreeze OFF 31 CFR x* Antifreeze temperature 4.0 C [40.0 F] 31 O TC x Option tube collector OFF 33 TCST x* OTC starting time 07:00 33 TCEN x* OTC ding time 19:00 33 TCRU x* OTC runtime 30 s 33 TCIN x* OTC standstill interval 30 min 33 GFD x Grundfos Direct Ssor OFF 33 OHQM x Option heat quantity measuremt OFF 35 SEN x* VFD allocation 2 35 FMAX x* Maximum flow 6.0 l/min 35 MEDT x* Antifreeze type 1 35 MED% x* Antifreeze conctration (only if MEDT = propyle or ethyle) 45 % 35 ODB x Drainback option OFF 35 tdto x* ODB switch-on condition - time period 60 s 35 tfll x* ODB filling time 5.0 min 35 tstb x* ODB stabilisation time 2.0 min 35 OBST s* Option booster function OFF 35 MAN1 x Manual operation R1 Auto 35 MAN2 x Manual operation R2 Auto 35 LANG x Language En 35 UNIT x Temperature unit C 35 RESE x Reset - back to factory settings 35 ######## Version number Legd: Symbol Specification x Channel is available x* Channel is available if the corresponding option is activated. s Channel is specifically available in this system layout s* System-specific channel, only available if the corresponding option is activated 10

11 System layout 2 The controller calculates the temperature differce betwe collector ssor S1 and store ssor S2. If the differce is larger than or idtical to the adjusted switch-on temperature differce (DT O), the solar pump will be operated by relay 1, and the store will be loaded until the switch-off temperature differce (DT F) or the maximum store temperature (S MX) is reached. Ssor S3 is used for a thermostatic function, which operates relay 2 for afterheating or heat dump purposes, wh the adjusted thermostat switch-on temperature (AH O) is reached. This function can optionally be combined with up to three adjustable time frames. Ssor S3 can also be optionally used as a referce ssor for the thermal disinfection function OTD or the store emergcy shutdown option (OSEM). Ssor S4 can optionally be connected for measuremt purposes. If heat quantity measuremt (OHQM) is activated, S4 and VFD are to be connected as flow and return ssors respectively. PWM VFD VBus 9 10 S1 R1 S4 / VFD / TFL S3 / TSTT S4 / VFD / TR S2 R2 11

12 Display Channels Channel Description Terminal Page INIT x* ODB initialisation active - 24 FLL x* ODB filling time active - 24 STAB x* ODB stabilisation in progress - 24 COL x Temperature collector S1 24 TSTB x Temperature store 1 base S2 24 TSTT x Temperature store 1 at the top S3 24 TDIS s* Thermal disinfection temperature S3 24 S4 x Temperature ssor 4 S4 24 TFL x* Temperature flow ssor S1 / S4 / VFD 24 TR x* Temperature return ssor S4 / VFD 24 VFD x* Temperature Grundfos Direct Ssor VFD 24 L/h x* Flow rate Grundfos Direct Ssor VFD 25 n1 % x Pump speed R1 R1 25 h P1 x Operating hours R1 R1 26 h P2 x Operating hours R2 R2 26 kwh x* Heat quantity kwh - 25 MWh x* Heat quantity MWh - 25 CDIS s* Countdown of monitoring period - 26 SDIS s* Starting time display - 26 DDIS s* Heating period display - 26 TIME x Time - 26 Adjustmt Channels Channel Description Factory setting Page Arr x System 2 26 DT O x Switch-on temperature differce R1 6.0 K [12.0 Ra] 26 DT F x Switch-off temperature differce R1 4.0 K [8.0 Ra] 26 DT S x Nominal temperature differce R K [20.0 Ra] 26 RIS x Rise control R1 2 K [4 Ra] 28 PUM x Pump control type R1 PSOL 28 nmx x Maximum pump speed R1 100 % 28 nmn x Minimum pump speed R1 30 % 28 S MX x Maximum store temperature 60 C [140 F] 29 OSEM x Option store emergcy shutdown OFF EM x Emergcy temperature collector 130 C [270 F] 29 Emergcy temperature collector if ODB is activated: 95 C [200 F] 29 OCC x Option collector cooling OFF 30 CMX x* Maximum collector temperature 110 C [230 F] 30 OSYC x Option system cooling OFF 30 DTCO x* Cooling switch-on temperature differce 20.0 K [40.0 Ra] 30 DTCF x* Cooling switch-off temperature differce 15.0 K [30.0 Ra] 30 OSTC x Option store cooling OFF 30 OHOL x* Option holiday cooling OFF 30 THOL x* Holiday cooling temperature 40 C [110 F] 31 OCN x Option minimum limitation OFF 31

13 Adjustmt Channels Channel Description Factory setting Page CMN x* Minimum collector temperature 10 C [50 F] 32 OCF x Option antifreeze OFF 31 CFR x* Antifreeze temperature 4.0 C [40.0 F] 31 O TC x Option tube collector OFF 33 TCST x* OTC starting time 07:00 33 TCEN x* OTC ding time 19:00 33 TCRU x* OTC runtime 30 s 33 TCIN x* OTC standstill interval 30 min 33 GFD x Grundfos Direct Ssor OFF 33 OHQM x Option heat quantity measuremt OFF 35 SEN x* VFD allocation 2 35 FMAX x* Maximum flow 6.0 l/min 35 MEDT x* Antifreeze type 1 35 MED% x* Antifreeze conctration 45 % 35 AH O s Switch-on temp. for thermostat 40 C [110 F] 14 AH F s Switch-off temp. for thermostat 45 C [120 F] 14 t1 O s Switch-on time 1 thermostat 00:00 14 t1 F s Switch-off time 1 thermostat 00:00 14 t2 O s Switch-on time 2 thermostat 00:00 14 t2 F s Switch-off time 2 thermostat 00:00 14 t3 O s Switch-on time 3 thermostat 00:00 14 t3 F s Switch-off time 3 thermostat 00:00 14 ODB x Drainback option OFF 35 tdto x* ODB switch-on condition - time period 60 s 35 tfll x* ODB filling time 5.0 min 35 tstb x* ODB stabilisation time 2.0 min 35 OTD s Option thermal disinfection OFF 14 PDIS s* Monitoring period 01:00 14 DDIS s* Heating period 01:00 14 TDIS s* Disinfection temperature 60 C [140 F] 15 SDIS s* Starting time 00:00 15 MAN1 x Manual operation R1 Auto 35 MAN2 x Manual operation R2 Auto 35 LANG x Language En 35 UNIT x Temperature unit C 35 RESE x Reset - back to factory settings 35 ######## Version number Legd: Symbol Specification x Channel is available x* Channel is available if the corresponding option is activated. s Channel is specifically available in this system layout s* System-specific channel, only available if the corresponding option is activated 13

14 System-specific functions The following functions are exclusively available in system layout 2. The corresponding channels will t be available in any other system layout. Thermostat function Afterheating AH O: Thermostat switch-on temp. Adjustmt range: C [ F] Factory setting: 40.0 C [110.0 F] Use of surplus ergy AH F: Thermostat switch-off tem p. Adjustmt range: C [ F] Factory setting: 45.0 C [120.0 F] 14 The thermostat function works indepdtly from the solar operation and can be used for using surplus ergy or for afterheating. AH O < AH F thermostat function for afterheating AH O > AH F thermostat function for using surplus ergy The symbol ⓶ will be shown on the display if the second relay output is activated. Referce ssor for the thermostat function is S3! t1 O, t2 O, t3 O: Thermostat switch-on time Adjustmt range: 00:00 23:45 Factory setting: 00:00 t1 F, t2 F, t3 F: Thermostat switch-off time Adjustmt range: 00:00 23:45 Factory setting: 00:00 In order to block the thermostat function for a certain period, there are three time frames t1 t3. If the function should be active betwe 6:00 and 9:00, set t1 O to 6:00 and t1 F to 9:00. If all time frames are set to 00:00 o clock, the thermostat function is continuously activated (factory setting).

15 Thermal disinfection OtD: Thermal disinfection function Adjustmt range: ON / OFF Factory setting: OFF PDIS: Monitoring period Adjustmt range: 0 30:0 24 h (dd:hh) Factory setting: 01:00 Referce ssor for the thermal disinfection function is S3! For thermal disinfection, the temperature at the referce ssor has to be monitored. This protection is sured wh, during the monitoring period, the disinfection temperature is continuously exceeded for the tire disinfection period. If the thermal disinfection function is activated, the monitoring period starts as soon as the temperature at the referce ssor falls below the disinfection temperature. Wh the monitoring period ds, the allocated referce relay activates the afterheating. The disinfection period starts to count as soon as the temperature at the referce ssor exceeds the disinfection temperature. If the temperature at the referce ssor exceeds the disinfection temperature by more than 5 K, the referce relay switches off until the temperature has fall below a value of 2 K, above the disinfection temperature. Thermal disinfection can only be completed wh the disinfection temperature is exceeded for the duration of the disinfection period without interruption. If the disinfection conditions have be fulfilled by solar loading before the monitoring period ds, thermal disinfection is considered complete and a new monitoring period begins. Due to the flexible control logic, the exact time of thermal disinfection is t predictable. In order to set a fixed time for the disinfection to be run, the starting delay must be used: Thermal disinfection with starting delay DDIS Heating period Adjustmt range: 00:00 23:59 (hh:mm) Factory setting: 01:00 TDIS Disinfection temperature Adjustmt range: 0 95 C [0 200 F] Factory setting: 60 C [140 F] This function helps to contain the spread of Legionella in DHW stores by systematically activating the afterheating. SDIS Starting time Adjustmt range: 00:00 24:00 (o clock) Factory setting: 00:00 If the starting delay option is activated, a starting time for the thermal disinfection with starting delay can be adjusted. The activation of the afterheating is th delayed until that starting time after the monitoring period has ded. If the monitoring period ds, for example, at 12:00 o clock, and the starting time has be set to 18:00, the referce relay will be ergised with a delay of 6 hours at 18:00 instead of 12:00 o clock. If, during the waiting time, the disinfection conditions are fulfilled by solar loading, thermal disinfection is considered complete and a new monitoring period begins. 15

16 System layout 3 The controller calculates the temperature differce betwe collector ssor S1 and store ssor S2. If the differce is larger than or idtical to the adjusted switch-on temperature differce (DT O), the solar pump will be operated by relay 1, and the store will be loaded until the switch-off temperature differce (DT F) or the maximum store temperature (S MX) is reached. If the maximum collector temperature (CMX) is reached, the solar pump will be operated by relay 1 and the 3-port valve will be operated by relay 2 in order to direct the surplus ergy to a heat dump. For security purpose this will be carried out only if the store temperature is below the n-adjustable emergcy shutdown of 95 C [200 F]. Ssors S3 and S4 can optionally be connected for measuremt purposes. S3 can optionally be used as referce ssor for the store emergcy shutdown option (OSEM). If heat quantity measuremt (OHQM) is activated, S4 and VFD are to be connected as flow and return ssors respectively. PWM VFD VBus 9 10 S1 R2 R1 S4 / VFD / TFL S3 /TSTT S4 / VFD / TR S2 16

17 Display Channels Channel Description Terminal Page COL x Temperature collector S1 24 TST x Temperature store S2 24 S3 x Temperature ssor 3 S3 24 TSTT x Temperature store at the top S3 24 TFL x* Temperature flow ssor S1 / S4 / VFD 24 S4 x Temperature ssor 4 S4 24 VFD x* Temperature Grundfos Direct Ssor VFD 24 L/h x* Flow rate Grundfos Direct Ssor VFD 25 TR x* Temperature return ssor S4 / VFD 24 n % x Pump speed relay R1 R1 25 h P1 x Operating hours R1 R1 26 h P2 x Operating hours R2 R2 26 kwh x* Heat quantity kwh - 25 MWh x* Heat quantity MWh - 25 TIME x Time - 25 Adjustmt Channels Channel Description Factory setting Page Arr x System 3 26 DT O x Switch-on temperature differce R1 6.0 K [12.0 Ra] 26 DT F x Switch-off temperature differce R1 4.0 K [8.0 Ra] 26 DT S x Nominal temperature differce R K [20.0 Ra] 26 RIS x Rise control R1 2 K [4 Ra] 28 PUM x Pump control type R1 PSOL 28 nmn x Minimum pump speed R1 30 % 28 nmx x Maximum pump speed R1 100 % 28 S MX x Maximum store temperature 60 C [140 F] 29 OSEM x Option store emergcy shutdown OFF 29 EM x Emergcy temperature collector 130 C [270 F] 29 CMX s Maximum collector temperature 110 C [230 F] 30 OCN x Option minimum limitation OFF 31 CMN x* Minimum collector temperature 10 C [50 F] 31 OCF x Option antifreeze OFF 31 CFR x* Antifreeze temperature 4.0 C [40.0 F] 31 O TC x Option tube collector OFF 33 TCST x* OTC starting time 07:00 33 TCEN x* OTC ding time 19:

18 Adjustmt Channels Channel Description Factory setting Page TCRU x* OTC runtime 30 s 33 TCIN x* OTC standstill interval 30 min 33 GFD x Grundfos Direct Ssor OFF 33 OHQM x Option heat quantity measuremt OFF 35 SEN x* VFD allocation 2 35 FMAX x* Maximum flow 6.0 l/min 35 MEDT x* Antifreeze type 1 35 MED% x* Antifreeze conctration (only if MEDT = propyle or ethyle) 45 % 35 MAN1 x Manual operation R1 Auto 35 MAN2 x Manual operation R2 Auto 35 LANG x Language En 35 UNIT x Temperature unit C 35 RESE x Reset - back to factory settings 35 ######## Version number Legd: Symbol Specification x Channel is available x* Channel is available if the corresponding option is activated. s Channel is specifically available in this system layout s* System-specific channel, only available if the corresponding option is activated 18

19 2 Operation and function 2.1 Push buttons 1 forward (+) SET (selection/ adjustmt mode) 3 2 backward (-) channel display The system monitoring display consists of three blocks: channel display, tool bar and system scre (active system layout). The channel display consists of two lines. The upper line is an alpha-numeric 16-segmt display (text display) for displaying channel names and mu items. In the lower 7-segmt display, the channel values and the adjustmt parameters are displayed. Temperatures are either indicated in C or F, whereas temperature differces are indicated in K or Ra respectively. The controller is operated via three push buttons below the display. Button 1 is used for scrolling forward through the indication mu or to increase the adjustmt values. Button 2 is used for scrolling backward and reducing values. Button 3 is used for selecting channels and confirming adjustmts. During rmal operation, only the display channels are shown. Scroll through the display channels by pressing buttons 1 and 2 Accessing the adjustmt channels: Scroll down in the display mu and press button 1 for approx. two seconds after you have reached the last display item. Wh an adjustmt value is shown on the display, S is indicated to the right of the channel name. Press button 3 in order to access the adjustmt mode S starts flashing. Adjust the value using buttons 1 and 2 Briefly press button 3, S permantly appears,the adjusted value will be saved. 2.2 System-Monitoring-Display System-Monitoring-Display The System-Monitoring-Display consists of three blocks: channel display, tool bar and system scre. tool bar The additional symbols of the tool bar indicate the currt system status. Status rmal blinkd relay 1 active ⓵ relay 2 active ⓶ maximum store temperature exceeded store emergcy shutdown active + collector emergcy shutdown active collector cooling active ⓵ system cooling active ⓵ store cooling active ⓵ + holiday cooling function activated holiday cooling function active ⓵ + collector minimum limitation active antifreeze function activated antifreeze function active ⓵ manual operation relay 1 ON + ⓵ manual operation relay 2 ON + ⓶ manual operation relay 1 / 2 OFF ssor defective 19

20 System scre System-Scre The system scre (active system layout) shows the system selected on the controller. It consists of several system compont symbols, which are depding on the currt status of the system either flashing, permantly shown or hidd. 2.3 Flashing codes System scre flashing codes Pumps are flashing wh the corresponding relay is switched on Ssor symbols are flashing if the corresponding ssor display channel is selected Ssors are flashing quickly in the case of a ssor fault Burner symbol is flashing if the afterheating is active collector ssor store ssor (top) afterheating pump Collectors with collector ssor collector valve Stores 1 and 2 with heat exchanger 3-port valve the flow direction or the currt switching position is shown pumps Temperature ssor afterheating with burner symbol Pump booster pump store heat exchanger store store ssor base heat exchanger (heat dump) Afterheating with burner symbol 20

21 3 Commissioning 1 forward (+) The commissioning mu consists of the following channels: 3 SET (selection / adjustmt mode) 2 backward (-) The three push buttons of the CS/4 controller Establish the power supply The controller runs an initialisation phase. Wh the controller is commissioned for the first time or after a reset, it will run a commissioning mu. The commissioning mu leads the user through the most important adjustmt channels needed for operating the system. Operating the commissioning mu: Enter the channel by pressing button 3 The S symbol flashes. Adjust the value by pressing buttons 1 and 2 Save the adjustmt by pressing button 3 again The S symbol stops flashing. Press button 1 or 2 to switch to the next or previous channel LANG: Language selection Selection: de, En, Fr, ES, It Factory setting: En 1. Language Adjust the desired mu language in this channel de : German En : English Fr : Frch ES : Spanish It : Italian UNIT: Temperature unit selection Selection: C, F Factory setting: C 2. Unit Adjust the unit in which temperatures and temperature differces shall be displayed TIME: Real time adjustmt 3. Time Adjust the currt time for the real time clock The hours and minutes have to be adjusted separately, first the hours, th the minutes. 21

22 Security quiry: Arr: System layout selection Adjustmt range: 1 3 Factory setting: 1 4. System layout Adjust the desired system layout of your solar thermal system For a detailed description of the differt system layouts selectable, see chapter 1.4. Arr 1 Arr 2 Arr 3 Overview of system layouts: Arr 1 : standard solar system layout Arr 2 : solar system layout with afterheating Arr 3 : standard solar system layout with heat dump If the system layout selection is changed later on, any previous adjustmts which have be made in the other channels will be lost. Therefore, changing the system layout is always followed by a security quiry. Only confirm the security quiry if you are sure that you wish to change the system layout selection! To confirm the security quiry, press button 3 S MX Maximum store temp. Adjustmt range: 4 95 C [ F] Arr 10: 4 90 C [ F] Factory setting: 60 C [140 F] 5. Maximum store temperature Adjust the desired maximum store temperature The controller is also equipped with a n-adjustable emergcy shutdown function, which will shut the system down if the store reaches 95 C [200 F]. PUM Pump control type Selection: OnOF, PULS, PSOL, PHEA Factory setting: PSOL 6. Pump control type Adjust the pump control type. The following types can be selected: Adjustmt for standard pump without speed control 22

23 OnOF (pump on / pump off) Adjustmt for standard pump with speed control PULS (pulse packet control via semiconductor relay) Adjustmt for high efficicy pump (HE pump) PSOL (PWM profile for a high-efficicy solar pump) PHEA (PWM profile for a high-efficicy heating pump) In order to reduce the number of switching processes for high-efficicy pumps, the controller is equipped with a relay overrun function that automatically comes into effect wh the speed control signal is t issued by the relay itself (PUM = PSOL or PHEA). The corresponding relay will th remain switched on for an hour after the switch-off conditions are fulfilled. nmx Maximum pump speed Adjustmt range: (10) % Factory setting: 100 % WARNING! Electric shock! During the overrun time, the relay symbol disappears from the display and the pump is inactive, but the relay is still ergised! Switch off power supply and disconnect the device from power supply before working on the device or Confirmation quiry the cables connected! 8. Maximum pump speed Adjust the maximum pump speed for the corresponding pumps. Wh loads which are t speed-controlled (e. g. valves) are used, the value must be set to 100% or the pump control type must be set to OnOF in order to deactivate pump speed control. nmn Minimum pump speed Adjustmt range: (10) % Factory setting: 30 % 7. Minimum pump speed Adjust a minimum speed for the pump If loads which are t speed-controlled (e.g. valves) are used, the value must be set to 100 %. Completing the commissioning mu After the last channel of the commissioning mu has be adjusted and confirmed, the controller asks for confirmation of the adjustmts. To confirm the adjustmts made in the commissioning mu, press button 3 Now the controller is ready for operation with typical settings to suit the selected system layout. The settings made in the commissioning mu can be changed later on in the corresponding adjustmt channels. Additional functions and options can of course be individually adjusted as well (see chap. 4.2). 23

24 4 Channel overview 4.1 Display channels The displayed values and adjustmt channels depd on which system layout, which options and functions have be selected. Only values and adjustmt channels available for the individual settings selected will appear in the mu. Indication of drainback time periods Initialisation Indication of collector temperature COL Collector temperature Display range: C [ F] Indicates the currt collector temperature. Indication of store temperatures INIT ODB initialisation active Indicates the time adjusted in tdto, running backwards. Filling time FLL ODB filling time active Indicates the time adjusted in tfll, running backwards. Stabilisation TST, TSTB, TSTT, TDIS Store temperatures Display range: C [ F] Indicates the currt store temperature. TST : store temperature TSTB : store temperature base TSTT : store temperature top TDIS : thermal disinfection temperature (Arr = 2 only; replaces TSTT if, during thermal disinfection, the heating period DDIS is active) STAB Stabilisation Indicates the time adjusted in tstb, running backwards. 24

25 Indication of ssors 3, 4 and VFD Indication of flow rate S3, S4, VFD Ssor temperatures Display range: C [ F] VFD: C [ F] Indicates the currt temperature of the corresponding additional ssor (without control function). S3 : temperature at ssor 3 S4 : temperature at ssor 4 VFD : temperature at the Grundfos Direct Ssor S3 and S4 will only be indicated if the temperature ssors are connected. VFD will be indicated only if a Grundfos Direct Ssor has be connected and registered. Indication of other temperatures l/h Flow rate Display range: depds on the ssor type Indicates the currt flow rate at the VFD flow rate ssor. The display range depds on the ssor type selected. Indication of currt pump speed n % Currt pump speed Display range: % Indicates the currt pump speed TFL, TR Other measured temperatures Display range: C [ F] Indicates the currt temperature of the corresponding ssor. TFL : temperature flow TR : temperature return TFL / TR will be indicated only if the heat quantity measuremt option (OHQM) has be activated. kwh / MWh Heat quantity in kwh / MWh Display channel Indicates the ergy gained in heat quantity only available if heat quantity measuremt (OHQM) is activated. Heat quantity measuremt can be run in 2 differt ways (see QV auf S. 57): with a fixed flow rate value or with a VFD Grundfos Direct Ssor. It is shown in kwh in the channel kwh and in MWh in the channel MWh. The overall heat quantity results from the sum of both values. The accumulated heat quantity can be set back to 0. As soon as one of the display channels of the heat quantity is selected, the S symbol is permantly shown on the display. Press button 3 for 2 s in order to access the RESET mode of the counter. 25

26 The display symbol S will flash and the heat quantity value will be set to 0. Confirm the reset with button 3 in order to finish the reset. In order to interrupt the RESET-process, do t press a button for about 5 s. The display returns to the display mode. CDIS Countdown of monitoring period Display range: 0 30:0 24 (dd:hh) If the thermal disinfection option (OTD) is activated and the monitoring period is in progress, the remaining monitoring time will be displayed as CDIS (in days and hours) and counted backwards. TIME Indicates the currt time. Press button 3 for 2 s to adjust the hours Set the hours by pressing buttons 1 and 2 Press button 3 again to adjust the minutes Set the minutes by pressing buttons 1 and 2 Press button 3 in order to save the adjustmts Operating hours counter SDIS Starting time display Display range: 00:00 24:00 (hh:mm) If the thermal disinfection option (OTD) is activated and a starting delay time has be adjusted, the adjusted delay time is displayed (flashing) in this channel. DDIS Heating period display Display range: 00:00 24:00 (hh:mm) If the thermal disinfection option (OTD) is activated and the heating period is in progress, the remaining time of the heating period is displayed (in hours and minutes) in this channel, counting backwards. h P / h P1 / h P2: Operating hours counter Display channel The operating hours counter accumulates the solar operating hours of the respective relay (h P / h P1 / h P2). Full hours are displayed. The accumulated operating hours can be set back to zero. As soon as one operating hours channel is selected, the symbol S is displayed. In order to access the RESET-mode of the counter, press button 3 for approx. two seconds. The display symbol S will flash and the operating hours will be set to 0. Confirm the reset with button 3 in order to finish the reset. In order to interrupt the RESET-process, do t press a button for about 5 s. The display returns to the display mode. 26

27 4.2 Adjustmt channels System layout selection Arr System layout selection. Adjustmt range: 1 3 Factory setting: 1 In this channel, a pre-defined system layout can be selected. Each system layout has a set of pre-programmed settings that can be individually changed. If the system layout selection is changed later on, all adjustmts made in the other channels will be lost. Therefore, changing the system layout is always followed by a security quiry. Only confirm the security quiry if you are sure that you wish to change the system layout selection! Security quiry: To confirm the security quiry, press button 3 T control The controller works as a standard differtial controller. If the switch-on differce is reached, the pump is activated. Wh the temperature differce falls below the adjusted switch-off temperature differce, the respective relay switches off. The switch-on temperature differce must be at least 0.5 K [1 Ra] higher than the switch-off temperature differce. DT F Switch-off temperature diff. Adjustmt range: K [ Ra] Factory setting: 4.0 K [8.0 Ra] Wh the drainback option ODB is activated, the temperature differces DT O, DT F and DT S are set to a fixed adjustmt: DT O = 10 K [20 Ra] DT F = 4 K [8 Ra] DT S = 15 K [30 Ra] Previous adjustmts made in these channels will be overridd and may have to be tered again if ODB is deactivated later on. Pump speed control DT O Switch-on temperature diff. Adjustmt range: K [ Ra] Factory setting: 6.0 K [12.0 Ra] DT S Nominal temperature differce Adjustmt range: K [ Ra] Factory setting: 10.0 K [20.0 Ra] 27

28 RIS Rise Adjustmt range: 1 20 K [2 40 Ra] Factory setting: 2 K [4 Ra] For pump speed control, the operation mode of the corresponding relay must be set to Auto (adjustmt channel MAN1) Wh the switch-on temperature differce is reached, the pump is activated at full speed for 10 seconds. Th, the speed is reduced to the minimum pump speed value (factory setting = 30 %). If the temperature differce reaches the adjusted minal temperature differce, the pump speed increases by one step (10%). If the differce increases by the adjustable rise value, the pump speed increases by 10 % respectively until the maximum pump speed of 100 % is reached. The response of the controller can be adapted via the parameter Rise. The minal temperature differce must be at least 0.5 K [1 Ra] higher than the switch-on tempe rature differce. PUM Pump control type Selection: OnOF, PULS, PSOL, PHEA Factory setting: PSOL With this parameter, the pump control type can be adjusted. The following types can be selected: Adjustmt for standard pump without speed control OnOF (pump on / pump off) Adjustmt for standard pump with speed control PULS (pulse packet control via semiconductor relay) Adjustmt for high efficicy pump (HE pump) PSOL (PWM profile for a high-efficicy solar pump) PHEA (PWM profile for a high-efficicy heating pump) In order to reduce the number of switching processes for high-efficicy pumps, the controller is equipped with a relay overrun function that automatically comes into effect wh the speed control signal is t issued by the relay itself (PUM = PSOL or PHEA). The corresponding relay will th remain switched on for an hour after the switch-off conditions are fulfilled. WARNING! Minimum pump speed Electric shock! During the overrun time, the relay symbol disappears from the display and the pump is inactive, but the relay is still ergised! Switch off power supply and disconnect the device from power supply before working on the device or the cables connected! nmn Minimum pump speed Adjustmt range: (10) % Factory setting: 30 % A relative minimum pump speed can be allocated to the output R1 via the adjustmt channel nmn. Wh loads which are t speed-controlled (e.g. valves) are used, the value must be set to 100 % in order to deactivate pump speed control. 28

29 Store emergcy shutdown option nmx Maximum pump speed Adjustmt range: (10) % Factory setting: 100 % A relative maximum pump speed can be allocated to the output R1 via the adjustmt channel nmx. Wh loads which are t speed-controlled (e. g. valves) are used, the value of the relay must be set to 100 % or the pump control type must be set to OnOF in order to deactivate pump speed control. Maximum store temperature OSEM Store emergcy shutdown option Adjustmt range: OFF / ON Factory setting: OFF This option is used for activating the integrated store emergcy shutdown for an upper store ssor. If the temperature at the referce ssor exceeds 95 C [200 F], the store will be blocked and loading will be stopped until the temperature falls below 90 C [190 F]. Ssor S3 ist used as the referce ssor. Collector temperature limitation Emergcy shutdown of the collector S MX Maximum store temp. Adjustmt range: 4 95 C [ F] Arr 3: 4 90 C [ F] Factory setting: 60 C [140 F] Once the adjusted maximum temperature is exceeded, the solar pump is switched off and further loading of the store is prevted to reduce scald risk or system damage. A fixed hysteresis of 2 K [4 Ra] is set for the maximum store temperature. Wh the temperature at the corresponding ssor exceeds the adjusted maximum store temperature, the symbol is shown on the display. If the collector cooling or the system cooling function is activated, the adjusted store temperature may be overridd. In order to prevt system damage, the controller is also equipped with an integrated store emergcy shutdown if the store reaches 95 C [200 F]. EM Collector temperature limitation Adjustmt range: C [ F] Factory setting: 130 C [270 F] If the adjusted collector emergcy shutdown temperature (EM) is exceeded, the controller switches off the solar pump (R1) in order to protect the system against overheating (collector emergcy shutdown). A hysteresis of 10 K [20 Ra] is set for the collector temperature limitation. While the collector is in emergcy shutdown, (flashing) is shown on the display. If the drainback option ODB is activated, the adjustmt range of EM is changed to C [ F]. The factory setting in that case is 95 C [200 F]. 29

30 WARNING! Danger of injury and system damage through pressure surges! If water is used as a heat transfer medium in a pressure-less system, the water will start boiling at 100 C [212 F]. If a pressure-less drainback system is used with water as a heat transfer medium, do t adjust the collector temperature limitation EM to more than 95 C [200 F]! Cooling functions In the following the three cooling functions collector cooling, system cooling and store cooling are described in detail. The following te is valid for all three cooling functions: The cooling functions will t become active as long as solar loading is possible. Collector cooling function Wh the adjusted maximum store temperature is reached, solar loading stops. If the collector temperature increases to the adjusted maximum collector temperature, the solar pump is activated until the collector temperature falls at least 5 K [10 Ra] below the maximum collector temperature. The store temperature may increase (subordinate active maximum store temperature), but only up to 95 C [200 F] (emergcy shutdown of the store). If the collector cooling function is active, ⓵ and (flashing) is shown on the display. This function will only be available if the system cooling function (OSYC) is deactivated. In system layout 3, the parameter CMX is available without the OCC function. In system layout 3, CMX is used to set the activation temperature for the heat dump function. No other switch-on condition is needed in that case. System cooling function OCC Option collector cooling Adjustmt range: OFF / ON Factory setting: OFF OSYC Option system cooling Adjustmt range: OFF / ON Factory setting: OFF CMX Maximum collector temp. Adjustmt range: C [ F] Factory setting: 110 C [230 F] Wh the collector cooling function is activated, the controller aims to keep the collector at an operational temperature. DTCO Switch-on temperature diff. Adjustmt range: K [ Ra] Factory setting: 20.0 K [40.0 Ra] 30

31 Wh the system cooling function is activated, the controller aims to keep the solar system operational for a longer time. The function overrides the maximum store temperature to provide thermal relief of the collector field and the heat transfer fluid on hot days. If the store temperature is higher than the maximum store temperature (S MX) and the switch-on temperature differce DTCO is reached, the solar system remains activated. Solar loading is continued until either the store temperature reaches 95 C [200 F] (emergcy shutdown of the store), the temperature differce falls below the adjusted value DTCF or the collector emergcy shutdown temperature EM is reached. If the system cooling function is active, ⓵ and (flashing) is shown on the display. OHOL Holiday cooling option Adjustmt range: OFF / ON Factory setting: OFF DTCF Switch-off temperature diff. Adjustmt range: K [ Ra] Factory setting: 15.0 K [30.0 Ra] This function will only be available if the collector cooling function (OCC) is deactivated. Store cooling function OSTC Store cooling option Adjustmt range: OFF / ON Factory setting: OFF THOL Holiday cooling temperature Adjustmt range: C [ F] Factory setting: 40 C [110 F] Wh the store cooling function is activated, the controller aims to cool down the store during the night in order to prepare it for solar loading on the following day. If the adjusted maximum store temperature (S MX) is exceeded and the collector temperature falls below the store temperature, the system will be reactivated in order to cool down the store. Cooling will continue until the store temperature has fall below the adjusted maximum store temperature (S MX) again. A fixed hysteresis of 2 K [4 Ra] is set for this function. Referce threshold temperature differces for the store cooling function are DT O and DT F. If DHW consumption is expected for a longer period of time, the additional holiday cooling option OHOL can be activated in order to extd the store cooling function. The adjustable temperature THOL th replaces the maximum store temperature (S MX) as a switch-off temperature for the store cooling function. Wh the holiday cooling function is activated, and (flashing) are shown on the display. While the holiday cooling function is active, ⓵, and (flashing) are shown on the display. 31

32 Collector minimum limitation option OCN Collector minimum limitation Adjustmt range: OFF / ON Factory setting: OFF OCF Antifreeze function Adjustmt range: OFF / ON Factory setting: OFF CMN Collector minimum temp. Adjustmt range: C [ F] Factory setting: 10.0 C [50.0 F] If the collector minimum limitation option is activated, the pump (R1) is only switched on if the adjustable collector minimum temperature is exceeded. The minimum temperature prevts the pump from being switched on too oft at low collector temperatures. A fixed hysteresis of 5 K [10 Ra] is set for this function If the collector minimum limitation is active, (flashing) is shown on the display. If OSTC or OCF is active, the collector minimum function will be overridd. In that case, the collector temperature may fall below CMN. CFR Antifreeze temperature Adjustmt range: C [ F] Factory setting: 4.0 C [40.0 F] The antifreeze function activates the loading circuit betwe the collector and the store wh the temperature falls below the adjusted antifreeze temperature. This will protect the fluid against freezing or coagulating. If the adjusted antifreeze temperature is exceeded by 1 K [2 Ra], the loading circuit will be deactivated. Wh the antifreeze function is activated, is shown on the display. If the antifreeze function is active, ⓵ and (flashing) are shown on the display. Since this function uses the limited heat quantity of the store, the antifreeze function should be used in regions with few days of temperatures around the freezing point. The antifreeze function will be suppressed if the store temperature falls below 5 C [40 F] in order to protect the store from frost damage. 32

33 Tube collector function O TC: Tube collector function Adjustmt range: OFF / ON Factory setting: OFF TCRU: Tube collector function runtime Adjustmt range: s Factory setting: 30 s TCST: Tube collector function starting time Adjustmt range: 00:00 23:45 Factory setting: 07:00 This function helps overcome the disadvantages caused by the n-ideal ssor position with some tube collectors. This function operates within an adjusted time frame (beginning at TCST and ding at TCEN). It activates the collector circuit pump for an adjustable runtime (TCRU) betwe adjustable standstill intervals (TCIN) in order to compsate for the delayed temperature measuremt. If the runtime TCRU is set to more than t seconds, the pump will be run at 100 % for the first t seconds of the runtime. For the remaining runtime, the pump will be run at the adjusted minimum speed nmn. If the collector ssor is defective or the collector is blocked, this function is suppressed or switched off. TCIN: Tube collector function standstill interval Adjustmt range: 1 60 min Factory setting: 30 min If the drainback option ODB is activated, TCRU will t be available. In that case, the runtime is determined by the parameters tfll and tstb. WARNING! Danger of injury and system damage through pressure surges! If a drainback system is filled due to the tube collector function and the heat transfer medium ters very hot collectors, pressure surges can occur. If a pressure-less drainback system is used, TCST and TCEN must be adjusted such that the system will t be filled during times of pottially strong irradiation! TCEN: Tube collector function ding time Adjustmt range: 00:00 23:45 Factory setting: 19:00 33

34 Grundfos Direct Ssor registration GFD: Grundfos Direct Ssor registration Selection: OFF, 12, 40, 40F Factory setting: OFF Registration of a digital flow rate ssor which can be used for heat quantity measuremt. OFF : Grundfos Direct Ssor 12 : VFD 1-12 (water / glycol mixture) 40 : VFD F : VFD 2-40 Fast (water only) Heat quantity measuremt OHQM: Heat quantity measuremt Adjustmt range: OFF / ON Factory setting: OFF If OHQM is activated, the heat quantity gained can be calculated and displayed. Heat quantity measuremt can be run in 2 differt ways (see below): with a fixed flow rate value or with a VFD Grundfos Direct Ssor. Activate the heat quantity measuremt option in the OHQM channel Select the flow rate detection type in the SEN channel Heat quantity measuremt with a fixed flow rate value Heat quantity measuremt is possible if a flowmeter is used. To able heat quantity measuremt, proceed as follows: Read the flow rate (l/min) from the flowmeter at maximum pump speed and adjust it in the FMAX channel Adjust the heat transfer fluid and the conctration of the antifreeze in the channels MEDT and MED%. FMAX: Flow rate in l/min Adjustmt range: Factory setting: 6.0 The FMAX channel will be available only if the SEN channel has be set to OFF. Heat quantity measuremt with a VFD Grundfos Direct Ssor Heat quantity measuremt with a VFD Grundfos Direct Ssor is possible in all system layouts. In order to use a VFD Grundfos Direct Ssor for heat quantity measuremt, proceed as follows: Register the VFD Grundfos Direct Ssor in the GFD channel. Adjust the position of the VFD Grundfos Direct Ssor in the SEN channel. Adjust the type and ratio of the heat transfer fluid in the channels MEDT and MED%. SEN: Digital flow rate ssor (only if SEN = 1 or 2) Selection: OFF, 1, 2 Factory setting: 2 Flow rate detection type: OFF : fixed flow rate value (flowmeter) 1 : Grundfos Direct Ssor in the flow pipe 2 : Grundfos Direct Ssor in the return pipe 34

35 Ssor allocation for heat quantity measuremt: SEN 1 2 OFF Arr SFL SRET SFL SRET SFL SRET 1 GFD S4 S4 GFD S1 S4 2 GFD S4 S4 GFD S1 S4 3 GFD S4 S4 GFD S1 S4 Drainback option A drainback system layout requires additional componts such as a holding tank. The drainback option should only be activated if all componts required are properly installed. The drainback option is only available in system layouts 1 and 2. MEDT: Heat transfer fluid Adjustmt range: 0 3 Factory setting: 1 Heat transfer fluid: 0 : Water 1 : Propyle glycol 2 : Ethyle glycol 3 : Tyfocor LS / G-LS A drainback system permits the heat transfer fluid to drain back into the holding tank wh solar ergy is t collected. The drainback option will initiate the filling of the system wh solar loading begins. If the drainback option ODB is activated, the pump will operate at 100 % speed for the adjusted filling time tfll in order to fill the system with fluid from the holding tank. After tfll, pump speed will go down to the adjusted minimum pump speed nmn. The switch-off conditions will th be igred for the stabilisation time tstb in order to avoid the system from shutting down prematurely. If the function is activated, the mu items described in the following (tdto, tfll and tstb) have to be adjusted: MED%: Antifreeze ratio in Vol-% (MED% is hidd wh MEDT 0 or 3 is used.) Adjustmt range: % Factory setting: 45 % If the system layout 3 has be selected and OHQM is activated, heat quantity measuremt will be interrupted wh the 3-port valve switches to the heat dump. Heat quantity measuremt with a VFD Grundfos Direct Ssor will continue indepdtly. ODB: Drainback option Adjustmt range: OFF / ON Factory setting: OFF Wh the drainback option ODB is activated, the cooling functions OCC, OSYC and OSTC as well as the antifreeze function OCF are t available. If OCC, OSYC, OSTC or OCF have already be activated before, they will be deactivated again as soon as ODB is activated. They will remain deactivated, ev if ODB is deactivated later on. 35

36 Wh the drainback option ODB is activated, the temperature differces DT O, DT F and DT S as well as the minimum speed values nmn are set to a fixed adjustmt. Additionally, the adjustmt range and the factory setting of the collector emergcy shutdown temperature EM changes (see the corresponding channel descriptions for further information). Previous adjustmts made in these channels will be overridd and have to be tered again if ODB is deactivated later on. Time period - switch-on conditions Stabilisation tstb: Stabilisation Adjustmt range: min Factory setting: 2.0 min The parameter tstb is used for adjusting the time period during which the switch-off condition DT F will be igred after the filling time has ded. Booster function option tdto: Time period - switch-on conditions Adjustmt range: s Factory setting: 60 s The parameter tdto is used for adjusting the time period during which the switch-on condition DT O must be permantely fulfilled. Filling time tfll: Filling time Adjustmt range: min Factory setting: 5.0 min The filling time can be adjusted using the parameter tfll. During this period, the pump runs at 100 % speed. OBST: Booster function Adjustmt range: ON / OFF Factory setting: OFF This function is used for switching on a second pump wh filling the solar system. Wh solar loading starts, R2 is ergised in parallel to R1. After the filling time (tfll) has ded, R2 is switched off. The booster function is available in system layout 1 (Arr = 1) only. The booster function will only be available if the drainback option has be activated. 36

37 Operating mode Unit MAN1 / MAN2: Operating mode Adjustmt range: OFF, Auto, ON Factory setting: Auto For control and service work, the operating mode of the controller can be manually adjusted. For this purpose, select the adjustmt value MAN1, MAN2 in which the following adjustmts can be made: MAN1 / MAN2 Operating mode OFF : relay off (flashing) + Auto : relay in automatic operation ON : relay on (flashing) + + ⓵ / ⓶ Always adjust the operating mode back to Auto wh the control and service work is completed. Normal operation is t possible in manual mode. Language LANG: Language selection Selection: de, En, Fr, ES, It Factory setting: En The mu language can be adjusted in this channel. de : German En : English Fr : Frch ES : Spanish It : Italian UNIT: Temperature unit selection Selection: C, F Factory setting: C In this adjustmt channel, the display unit for temperatures and temperature differces can be chos. The unit can be switched betwe C / K and F / Ra during operation. Temperatures and temperature differces in F and Ra are displayed without units. If the indication is set to C, the units are displayed with the values. Reset RESE Reset function By using the reset function, all adjustmts will be set back to the factory settings. To initiate a reset, press button 3 Any previous adjustmts will be lost. Therefore, initiating the reset function is always followed by a security quiry. Only confirm the security quiry if you are sure that you wish to reset all adjustmts to the factory settings! Security quiry: To confirm the security quiry, press button 3 Whever a reset has be completed, the controller runs the commissioning mu again (see chap. 3). 37

38 5 Troubleshooting fuse On the display the symbols and appear. Made in Germany DeltaSol CS/4 PWM IP 20 R1 1 (1) A 240 V~ R2 1 (1) A 240 V~ Temp. Ssor Pt1000 VFD S1 S2 S3 S4 VBus T2A V~ Hz R1 N L N R2 N Ssor defect. An error code instead of a temperature is displayed in the ssor display channel Cable brok. Check cable Short circuit. Check cable. ssor terminals VBus ground terminals load terminals power supply terminals Disconnected Pt1000 temperature ssors can be checked with an ohmmeter. In the following table, the resistance values with the corresponding temperatures are shown. In the case of an error, a message is shown on the display of the controller: Warning symbols C F Ω C F Ω Resistance values of the Pt1000 ssors 38

39 Display off. Pump starts up very late Check the power supply. Is it disconnected? The fuse of the controller could be blown. It can be replaced after the front cover has be removed (spare fuse is closed in the accessory bag). 5.1 Various Check the supply line and reconnect it. Pump is overheated, but heat transfer from the collector to the store, flow and return have the same temperature; perhaps also air / gas bubbles in the lines. Air in the system? Is the collector circuit blocked at the dirt trap? Air in the system; in crease the system pressure to at least static primary pressure plus psi (0.5 bar); if necessary continue to increase pressure; switch the pump off and on for a short time. Clean the dirt trap Pump starts for a short momt, switches off, switches on again, etc. Switch-on temperature differce Ton to large? The temperature differce betwe store and collector increases ormously during operation; the collector circuit cant dissipate the heat. Collector circuit pump defective? Heat exchanger calcified? Non-ideal position of the collector ssor (e.g. flatscrew ssor instead of ssor in ssor wells)? Minimum temperature limitation active Change Ton and Toff correspondingly. Activate tube collector function if necessary. o.k. Check / replace it Decalcify it Temperature differce at the controller too small? Wrong position of collector ssors? Change Ton and Toff correspondingly. Problem solved? o.k. Heat exchanger blocked? Heat exchanger too small? Clean it Replace with correctly sized one. Plausibility control of the option tube collector special function Mount the collector ssor at solar flow (warmest collector output); use ssor well of the respective collector. 39

40 Store cools down at night Collector circuit pump runs during the night? Collector temperature is at night higher than the outdoor temperature Sufficit store insulation? Check controller: Manual operation active? Tube collector function active? Store cooling or antifreeze function active? Check the check valve in the flow and the return pipe with regard to the functional efficicy. a Control the n-return valve in warm water circulation - o.k. The thermosiphoning in the circulation line is too strong; insert a stronger valve in the n-return valve or an electrical 2-port valve behind the circulation pump; the 2-port valve is Further pumps which are connected to the solar store must also be checked. Clean or replace it op wh the pump is activated, otherwise it is closed; connect pump and 2-port valve electrically in parallel; activate the circulation again b 40 Increase insulation. Insulation close ough to the store? Replace insulation or increase it. Are the store connections insulated? Insulate the connections. Warm water outflow upwards? Does the warm water circulation run for a very long time? Circulation pump and blocking valve should be switched off for one night; less store losses? a Change connection and let the water flow hori zontally or through a siphon (downwards); less store losses w? o.k. Use the circulation pump with timer and switch-off thermostat (ergy efficit circulation). Check whether the pumps of the afterheating circuit run at night; check whether the n-return valve is defective; problem solved? b The solar circuit pump does t work, although the collector is considerably warmer than the store. Is the display working? Does the pump start up in manual operation? Is the pump currt abled by the controller? Are the controller fuses o.k.? Replace fuses. There is currt; check fuses / replace them and check power supply. The adjusted temperature differce for starting the pump is to high; choose a value which makes more sse. Is the pump stuck? Turn the pump shaft using a screwdriver; w passable? Pump is defective - replace it Controller might be defective - replace it or contact the distributor.

41 6 Accessories Ssors Our product range includes high-precision platinum temperature ssors, flatscrew ssors, outdoor temperature ssors, indoor temperature ssors, cylindrical clip-on ssors, also as complete ssors with immersion sleeve. For more information, see our catalogue and price list. Smart Display SD3 The RESOL Smart Display is designed for simple connection to RESOL controllers with RESOL VBus. It is used for visualizing data issued by the controller: collector temperature, storage temperature and ergy yield of the solar thermal system. The use of high-efficit LEDs and filter glass assures a high optical brilliance and good readability ev in poor visibility conditions and from a larger distance. An additional power supply is t required. RESOL SD3 (unit C) Article.: RESOL SD3 (unit F) Article.: Overvoltage protection device In order to avoid overvoltage damage at collector ssors (e.g. caused by local lightning storms), we recommd the overvoltage protection RESOL SP10. RESOL SP10 Article.: VFD Grundfos Direct Ssors The VFD Grundfos Direct Ssor is a digital ssor that measures both temperature and flow rate. VFD 1-12 digital Article.: VFD 2-40 digital Article.: Large Display GA3 The RESOL Large Display GA3 is designed for simple connection to RESOL controllers via the RESOL VBus. It is used for visualizing the data issued by the controller: collector and store temperature as well as heat quantity produced in the solar system. The use of high-efficit LEDs and antireflective filter glass assures a high optical brilliance and good readability - ev in poor lighting conditions and at a larger distance. RESOL GA3 (unit C) Article.: RESOL GA3 (unit F) Article.:

42 DL3 Datalogger Be it solar thermal, heating or DHW heat exchange controllers with the DL3 you can easily and convitly log system data of up to 6 RESOL controllers. Get a comprehsive overview of all controllers connected with the large full graphic display. Transfer data with an SD memory card or use the LAN interface to view and process data on your PC. RESOL DL3 Article.: VBus / LAN interface adapter The VBus / LAN interface adapter is designed for the direct connection of the controller to a PC network or router. It ables easy access to the controller via the local network of the owner. Thus, controller access and data charting can be effected from every workstation of the network. A full version of the RESOL ServiceCter software is included. RESOL VBus / LAN interface adapter Article.: DL2 Datalogger This additional module ables the acquisition and storage of large amounts of data (such as measuring and balance values of the solar system) over a long period of time. The DL2 can be configured and read-out with a standard internet browser via its integrated web interface. For transmission of the data stored in the internal memory of the DL2 to a PC, an SD card can be used. The DL2 is appropriate for all controllers with RESOL VBus. It can be connected directly to a PC or router for remote access and thus ables comfortable system monitoring for yield monitoring or for diagstics of faults. RESOL DL2 Article.: AM1 Alarm module The AM1 alarm module is designed to signal system failures. It is to be connected to the VBus of the controller and issues an optical signal via a red LED if a failure has occurred. The AM1 also has a pottial-free relay output, which can e. g. be connected to a building managemt system (BMS). Thus, a collective error message can be issued in the case of a system failure. RESOL AM1 Alarm module Article.: VBus / USB interface adapter The new VBus / USB interface adapter is the interface betwe the controller and a personal computer. With its standard mini-usb port it ables a fast transmission of system data via the VBus for processing, visualizing and archiving. A full version of the RESOL ServiceCter software is included. RESOL VBus / USB interface adapter Article.: