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1 operation instruction AKKUTEC 2403 NBPA 2403-Q33G1 and NBPR 2403-Q33G1 with battery sensor MTIA Q33G3M01 and battery module NBBH - Q33G1M01 device designation notes art..no. nominal input nominal output voltage voltage AKKUTEC standard unit, module NBPAQ33G1M01 230V AC 24V DC AKKUTEC standard unit, 19 Akku 7,2 NBPRQ33G1M03 230V AC 24V DC AKKUTEC Ah / 12 Ah terminals on NBPRQ33G1M04 the rear side 1/10 Technical modificastions possible!

2 Safety regulations The operational instructions must be read and followed before the use respectively the installation of the device! In case of non-observance guarantee and warrenty claims are no longer valid! The assembly, start-up and maintenance may be done by trained personnel only. The valid VDE-regulations, especially DIN VDE 0100 and EN are to be respected!! The protective conductor must be connected (protective class I) Incoming and outgoing feeders must dimensioned and fused sufficiently (values see chapter 3.1)! For the release of the power supply for the mains and the battery circuit a separation unit must be foreseen. The unit is a mount-in device. The operation is only permissible in dry rooms. The allowed environmental temperature range is to respected! Only the battery types specified for the unit are permitted to be used! Battery replacement is only to be made with the unit unpowered! On the connection of external backup batteries, battery protection must be provided by the user! In this case the protection components (overload and short circuit protection!) must be installed as close as possible to the set of batteries for safety reasons! On the usage of batteries, sufficient air flow in accordance with VDE 0510, part 2 must be ensured Never connect together new and used batteries, or batteries of different types, or from different manufacturers! The unit may only be opened by qualified personnel. In case of failure we recommend to send the unit back to the manufacturer The disregard of the safety regulations may cause perilous injuries. In case of exceeding the values given in the technical Data, the risk of damage of the unit occurs. 1. Concise Description The battery backed up DC power supply in the AKKUTEC range uses the standby-parallel principle of operation and, in conjunction with a lead accumulator, ensures that the DC powe r supply is reliably maintained in the case of a mains power failure. The back-up time depends on the state of charge of the batteries and of the discharge current. The power supply has the following features: battery charger system with I/U charging cha racteristic Microcontroller-based battery management Temperature compensation for charging voltage by means of external sensor module (optional module) 2. Norms and Regulations power- HF- transducer to ensure safe separation of primary and secondary Opto couplers for protective separation against electric shock, requirements - tests EMV interference resistance: EN EN (VDE ) VDE 0884 EN und EN Klasse A EN Klasse B EN (static discharge ESD) (4kV) EN (electromagnetic fields) (10V/m) EN (fast transients / Burst) input (2kV) output (1kV) EN (Surge) mains (2 / 4kV) output(0,5kv) EN (conducted stability) 10V, 150kHz 80MHz EN (voltage breaks) back-up with battery Overall unit EN / EN /10 Technical modificastions possible!

3 3.1. Technical Data nominal input voltage 230V AC max. power loss input voltage range 197,75-264,5V 230V 15% - 230V + 15% worst-case earth leackage current 12W <3,5mA NBPAQ33G1D input frequency 47-63Hz fusing input 250V 2A T H (internal) nominal input current 0,7 A fusing 3A T (external) DC- output circuit max. inrush current 30A / 2ms fusing 3A T (external) battery circuit output voltage ( without battery ) output voltage ( with battery ) 26,8V DC ±0,4% 19,8V 26,8V DC±0,4% tpye of connection input mains Federzug max. 1,5mm² final charging voltage 26,8V DC ±0,4% without temp.-sensor type of connection output Ua, Batt Federzug max. 1,5mm² 27V at 25 C (temp.-sensor optional) with temp.-sensor charging characteristics I/U DIN type of connections Federzug max. 1mm² messages deep discharge protection 19,8V DC ±0,4% protective system IP 20 a. EN and load rejection at nominal output current 2,85A DC weight mounting version 0,55kg 19 version with batt. 7,0kg (7,2Ah) 9,6kg (12Ah) constant current limitation 1,05...1,1 x I ANom storage temperature C battey type Pb-battery, maintenance environmental 0-45 C free temperature 0-25 C recommended for battery efficiency Ua=26,8V DC, Ia= I Anom and Ue=230V AC 3.2 Displays and Message Outputs mains OK 1) battery OK 1) battery low 87% dimensions 92,5 x 60 x 116mm (h x w x d) LED green, illuminates at: mains operations, means : UE>U Emin LED green, expires at disconnection of battery circuit battery voltage < 21,6 V ( battery operation ) battery damaged battery temperature > 45 C LED green, is blinking 1) The message contacts are connected with LED-displays. In case of illuminated LED the corresponding relay is energized. potential-free relay-contact, changer, max. contact load 30V DC/ 0,5A potential-free relay-contact, closer, max. contact load 30V DC/ 0,5A 3.3 Message inputs Shut-Down shut-down of the UPS- operation switched input referring to earth, switching level: 24V DC (6-45 V DC) 3/10 Technical modificastions possible!

4 4. Installation The battery backed up DC power supply is to be installed such that the necessary cooling is provided. A minimum separation of 40mm to neighbouring equipment or assemblies in the area of the v entilation openings is to be maintained. The installation is always to be made in such a way that sufficient air circulation through the unit is ensured. The temperature of the cooling air at the bottom of the unit may not exceed the value given in the tec hnical data. The maximum mounting heights without load reduction is about 1000 m above N.N. During installation, the unit is to be covered in the case that swarfs from drilling can fall on or in the unit. ( Risk of short circuit!) 5. Cconnection Prior to connection, the values for the mains voltage and frequency as well as the values of the battery are to be checked against the values on the rating plate. Connect in accordance with the labels on the connecting terminals. (See main block diagram an d connector assignments). Unused connecting terminal screws are to be tightened. connection: terminal: connection: terminal: mains input terminal connection Netz L, N, PE control input shut-cown terminal connection IO / 4 - DC-output (load) terminal connection Ua +, - mains OK mains present mains interruption IO-1 6 / 7 (closed) 5 / 7 (closed) Pb-battery terminal connection batt OK 8 / 9 (closed) battery- temperature sensor (optional module) Batt +, - terminal connection IO- 1 1, 2 In the case of overload, the DC output current comprises the maximum charging rectifier current as well as the current from the battery. To prevent overload of the DC output circuit, the circuit is to be protected externally! (Value see Section 3.1) 6. Circuit diagramm Netz Ubatt I / O Ua + _ AKKUTEC /10 Technical modificastions possible!

5 7. Putting into operation The unit is switched on by the application of the mains supply. If the units are built-in into systems, for which overvoltages for testing are required (for example according EN / VDE0113 part voltage examination), the unit must be separated from the test assembly before switching on the voltage. (Original text EN : parts, which are not dimensioned for this testing voltages must be disconnected during the testing.) The battery voltage must match the nominal voltage of the charging rectifier! Never reverse the poles of the battery! Never short circuit batteries! Risk of arcing! Check the connections for correctness prior to switching on for the first time Only make electrical connections with the unit unpowered 8. Operation Approx. 2s after the switch on of the mains, the output voltage is released and the loads which are connected are supplied with power. The back up battery is also charged. This operating mode is indicated by the illumination of the green Netzbetr ieb (Mains Operation) LED. By removing the mains voltage, or if the input voltage drops below the minimum, the AKKUTEC switches over to battery mode. The Netzbetrieb (Mains Operation) LED is not illuminated in this case. The illumination of an LED always results in the energisation of the corresponding signal relay. (See block diagram, point 6) 9.1 Battery Circuit Control To check the capability of the UPS to provide back up, the battery circuit is tested cyclically at intervals of 60s; the first test is performed 60s after mains switch on. By means of this test it is possible to identify an open circuit or the high resistivity of the battery circuit. A defective battery circuit is indicated by the expiry of the Batt ok LED 9.2 Battery Test During mains operation, a cyclic battery test loads the battery whilst the voltage is measured. In this way it is possible to evaluate the quality of the battery. A seriously aged battery is indicated by the expiry of the LED Batt. OK. About one ho ur of switching on the mains the first battery test is effected, each other after 24 hours. F With the help of the processor controlled automatic battery test the back-up capability of the battery is ensured. To give a detailed declaration concerning the capacity of the batteries in the system, we recommend additionally the control of the batteries with the nominal load current at least once a year. For this battery operation must be enforced by mains disconnection and to verify the back-up time until the self shut-down because of the discharge protection. The real battery capacity can be calculated with the back-up time and the nominal load. If the capacity of the batteries for the necessary back-up time is not sufficient the batteries must be changed. 9.3 Shut-Down To avoid the discharge of the backup batteries to the deep discharge limit unnecessarily, it is possible to shut down battery operation earlier. This is performed by applying a +24V DC control voltage to connection 3 (+) and 4 (-) on the IO-1 terminal strip. 5/10 Technical modificastions possible!

6 9.4 Temperature Compensation (optional module) Lead batteries have a temperature coefficient of approx. -3mV per C and cell. The AKKUTEC final charging voltage is selected such that battery charging is provided over a temperature range of C. In applications with frequent and large temperature variations, the charging voltage should be appropriately compensated to achieve optimal battery life. Also, particularly in the case of very low surrounding air temperature (Tu < 15 C), compensation should be performed to ensure adequate battery charging. By connecting the external temperature sensor module (option) to terminal strip IO-1 connection 1 and 2 (note poles!), temperature compensation is automatically activated. For an surrounding air temperature variation of 0-45 C, the final charging voltage (and thus also the output voltage) varies over a range of V DC Battery temperatures above 45 C are indicated by the expiry of the LED Batt ok. F To obtain satisfactory battery life, the operating temperature of the batteries should not exceed 20 C. Higher temperatures lead to a drastic reduction in the life! 10. Taking out of operation The unit is taken out of operation by removing the mains supply. To prevent subsequent backup from the batteries, the battery circuit must be opened by activating Shut-Down. (See point 9.3) The LED s Netz ok (Mains Operation) and Batt ok must expire. Never undo electrical connections whilst the unit is in operation! It also not permitted to make electrical connections whilst the unit is in operation 11. Installation drawings snap fixation for 35 mm Norm profil tracks DIN EN x 15/7,5 Netz AKKUTEC PE L N I/O Netz OK Batt OK 92.5 Batt Ua J. Schneider Elektrotechnik GmbH 60 Tiefe 116mm inkl. Klemmen depth 116mm incl. terminal 6/10 Technical modificastions possible!

7 mounting depth without terminals! NBPAQ33G1D Einbautiefe Mounting depth : 244mm (ohne Griffe) : 244mm (without grips) 12. Maintenance Within the unit there are no parts which may be maintained by the user. The unit must be cleaned regularly, depending on the degree of soiling The batteries must be checked as described in chapter 9.2 and must eventually be replaced. 7/10 Technical modificastions possible!

8 Optional module Operational instruction battery module NBBH 2401 Article No.: NBBHQ33G1M01 Tiefe 103mm depht 103mm battery type: maintenance-free lead batteries 24V / 1 Ah battery fusing: 3 A FK2 back-up time: 30 min at 2 A load dimensions in mm: ( width x height x depth) : 69 x 120 x 103mm assembly: on 35 mm norm profile tracks DIN EN x 15/7,5 assembly: by fastening lashes look at drawing 8/10 Technical modificastions possible!

9 Optional module NBPAQ33G1D operational instruction temperature sensor AKKUTEC 2403 MTIA Q33G3M01 Safety regulations The operational instructions must be read and followed before the use respectively the installation of the device! In case of non-observance guarantee and warranty claims are no longer valid! The assembly, start-up and maintenance may be done by trained personnel only. The unit is a mount-in device. The operation is only permissible in dry rooms (IP 20). The allowed environmental temperature range is to respected! The connection and disconnection of electrical connection may only be realized in un-energized state. The unit may only be opened by qualified personnel. In case of failure we recommend to send the unit back to the manufacturer Concise description Lead batteries have a temperature coefficient of approx. -3mV per C and cell. The final charging voltage is selected such that battery charging is provided over a temperature range of C. In applications with frequent and large temperature variations, the charging voltage should be appropriately compensated to avoid a battery over charging (danger of gas). Also, particularly in the case of very low surrounding air temperature (Tu < 15 C), compensation should be performed to ensure adequate battery charging. By connecting the external temperature sensor module (option) to terminal strip IO-1 connection 1 and 2 (note poles!), temperature compensation is automatically activated. For an environmental air temperature variation of 0-45 C, the final charging voltage (and thus also the output voltage) varies over a range of V DC Battery temperatures above 45 C are indicated by the expiry of the LED Batt ok. Scope of delivery temperature sensor with 1m connection cable 0,5 mm² Nylon-cable clamp with 4,3 mm² drill hole 9/10 Technical modificastions possible!

10 Installation The battery sensor should be installed near the battery as shown in the example of the battery module NBBH 2402 (see picture). In this way the accurate measurement of the environmental temperature of the battery is granted.. Connection The temperature sensor is connected at the terminal IO-1 connection 1 and 2 of the AKKUTEC The polarity of the connection cable is free. A maximum length of the cable of 3 m is to be observed. The width of the cable should amount to 0,5 mm 2. Start-up operation The temperature sensor is recognized automatically from the AKKUTEC after the mains is switched on and the charching voltage is compensated depending on the temperature. An additional parameter or the switch on by a seperate switch at the unit is not necessary. 10/10 Technical modificastions possible!

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