Electromotoric Actuators
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1 4 505 SQL3500 SQL8500 SQL36E Electromotoric Actuators for VKF46, VKF46 TS butterfly valves SQL3500 SQL8500 SQL36E SQL3500, SQL36E operating voltage AC 230 V, 3-position control signal SQL8500 operating voltage AC 24 V, 3-position control signal Nominal angle of rotation 90 Auxiliary switch and potentiometer for extra functions Manual adjuster and position indicator SQL36E built-in heating element to avoid condensation SQL36E compatible with EN ISO 52 flanges SQL36E variable positioning time with SEZ3 auxiliary module Use For operation of VKF4, VKF46 and VKF46 TS butterfly valves as control and shutoff valves in heating, ventilation and air conditioning plants CAN4505en Building Technologies HVAC Products
2 Type summary Accessories Type SQL3500 SQL8500 SQL36E50F04 SQL36E50F05 Operating voltage AC 230 V AC 24 V Positioning signal 3-position Positioning time for 90 at 50 Hz without with SEZ3 SEZ3 Positioning force 25 s 20 Nm 25 s 40 Nm Flange connection EN 52 SQL36E65 AC 230 V 6 s s 00 Nm F07 SQL36E0 2 s s 400 Nm F0 SQL36E60 24 s s 200 Nm EN 52 F2 / F6 flange connections for third-party actuators are available on request Type Description For actuators Mounting ASC95 ASC94 ASZ74 SEZ3 ASC36 ASZ Ω 4554Z Z Z Z0 4505Z9 Auxiliary switch Double auxiliary switch Auxiliary switch and potentiometer 000 Ω Auxiliary module for variable positioning time (refer to «Function/mechanical design», page 4) Double auxiliary switch Potentiometer 000 Ω SQL3500 SQL8500 SQL36E65 SQL36E0 SQL36E60 SQL36E50F04 SQL36E50F05 SQL36E65 SQL36E0 SQL36E60 position F04 F05 x ASC95 or x ASC94 or x ASZ74 (only one accessory at a time can be mounted) x SEZ3 and x ASC36 and x ASZ Z28 Order Delivery Example: The actuator, butterfly valve, mounting kit and any accessories must be ordered separately When ordering please specify the quantity, product name and type code actuator, type SQL3500, mounting kit, type ASK35 and auxiliary switch with potentiometer, type ASZ74 The actuator, butterfly valve, mounting kit and accessories are packed separately and delivered as individual items 2/2 HVAC Products
3 Equipment combinations Butterfly valves Electromotoric actuators SQL3500 SQL8500 SQL36E50F04 VKF4640 SQL36E50F05 SQL36E65 SQL36E0 SQL36E60 Mounting kit Data sheet VKF4650 ASK35 VKF4665 VKF4680 VKF4600 ASK352 VKF4625 VKF4650 VKF46200 N436 VKF46250 VKF46300 VKF46350 VKF46400 VKF46450 VKF46500 VKF46600 VKF46350TS Direct mounting VKF46400TS VKF46450TS Direct mounting N436 VKF46500TS VKF46600TS VKF ASK35 N43 VKF ) ASK35 VKF ) + ASK35 Direct mounting 2) SQL36E50 actuators can be mounted directly on VKF46 butterfly valves VKF45 butterfly valves were replaced by VKF46 butterfly valves in 2000 For actuator retrofitting on installed butterfly valves, replacement of actuators or ASK35: VKF : Use SQL3500 / SQL8500 actuators and ASK35 VKF : Mounting of SQL36E65 actuator recommended N435 Function / mechanical design SQL3500 SQL8500 The actuator is driven by a 3-position signal from the controller and generates a rotary motion which is transferred via a driver to the valve These electromotoric actuators require no maintenance They have a reversible synchronous motor and reduction gears with self-lubricating sinter bearings 4505Z Manual lever 2 Rotary «AUTO» / «MAN» selector 3 Yoke When the selector is set to «MAN», the butterfly valve can be operated with a manual lever For manual operation, the angle of rotation is mechanically limited by an end stop 2 N (G) Terminal strip 5 Double end switch (always factory-installed) 6 Plug for reversing direction of rotation 4505Z36 3/2 HVAC Products
4 SQL36E These electromotoric actuators require no maintenance They have a reversible asynchronous motor which drives the main shaft via spur gears and a self-locking worm gear, which accommodates the rectangular shaft of the butterfly valve The worm shaft is fitted with a direct-acting manual adjuster The actuators are supplied with a 90 angle of rotation suitable for use with Siemens butterfly valves During automatic operation, rotation is limited by two built-in endswitches The direction of rotation of the actuator can be reversed (refer to «Commissioning») To prevent the temperature inside the housing from falling below the dewpoint temperature, the actuators are supplied with a built-in heating element (AC 230 V, power consumption 5 W) 4505Z Z38 2 Position indication 2 Terminal compartment 3 Motor 4 Manual adjuster Accessory for SQL36E65 SQL36E0 SQL36E60 SEZ3 4505Z0 Auxiliary module In the presence of a 3-position signal, the auxiliary module pulses the actuator The output shaft rotates by approximately 2 with each pulse The pulse-to-pause ratio is continuously adjustable and can therefore be used to achieve longer running times for an angle of rotation of 90 (refer to «Commissioning») Engineering notes Electrical installation Mounting notes Overview of Mounting Instructions The actuators must be electrically connected in accordance with local regulations and with the connection diagrams Regulations and requirements to ensure the safety of people and property must be observed at all times Type Mounting Instructions Type Mounting Instructions SQL3500/SQL8500 M SQL36E M ASK35 M ASC36 M ASK35 M ASZ36 M ASC94 G SEZ3 M ASC95 G ASZ74 G SQL3500 / SQL8500 SQL36E 4/2 These actuators must be used with the following mounting kit: ASK35 or ASK352 for VKF46 butterfly valves ASK35 for VKF450 and VKF4200 butterfly valves These actuators are mounted directly on type VKF46 butterfly valves The butterfly valves have to be closed during installation In case of unsteady ambient temperatures connect the built-in heating element to avoid condensation The valve and actuator can be assembled straightforwardly on site There is no need for special tools HVAC Products
5 Orientation SQL36E Any 436Z0 SQL35, SQL Z6 Upright to horizontal Commissioning notes Warning Operating mode SQL3500 / SQL8500 SQL36E Direction of rotation SQL3500 / SQL8500 When commissioning the complete motorized valve consisting of actuator, mounting kit and butterfly valve, always check the wiring and test the functions This also applies to any additional components fitted, eg auxiliary switch, potentiometer or auxiliary module (variable positioning time) VKF4 or VKF46 butterfly valves can only be commissioned with a SQL3500 / SQL8500 or SQL36E actuator or with an ASK46 manual adjuster fitted To avoid pressure shocks on the butterfly, the VKF46 must be driven to its fully open position (either manually or via positioning signal ) prior to activating the pump(s) The flow rate is adjusted either by driving the electric actuators as required, or by operating the manual adjuster When using a SEZ3 auxiliary module set the desired positioning time: SQL36E65: 3080 s SQL36E0: s SQL36E60: s 4505Z Z02 «AUTO» = automatic operation «MAN» = manual operation In the case of the SQL36E, the manual adjuster is always engaged and cannot be mechanically disconnected The actuators are factory-set to rotate in clockwise direction for opening (as seen from the cover) 4505Z4 2 Position indication The adhesive labels supplied must be applied during assembly Butterfly valve in «OPEN» position 2 Butterfly valve in «CLOSED» position 5/2 HVAC Products
6 SQL36E Reversing the direction of rotation SQL3500 / SQL The direction of rotation can be reversed by repositioning a connector located under the cover The wiring for the OPEN and CLOSE control signal is not affected ZU / CLOSED ZU / CLOSED 4505Z Z03 2 N The direction of rotation of these types of actuators for opening is counterclockwise Z43 0 Direction of rotation reversed 2 2 N SQL36E Setting the angle of rotation Control If the direction of rotation needs reversing, simply change the connections / The 090 angle of rotation for the end switches is factory-set and cannot be changed The potential-free auxiliary switches have adjustable switching points Every actuator must be driven by a dedicated controller (refer to «Connection diagrams») Maintenance Caution The actuators and butterfly valves require no maintenance Before performing any service work on the valve or actuator: Switch off the pump and power supply Close the main shut-off valves in the pipework Release pressure in the pipes and allow them to cool down completely If necessary, disconnect electrical connections from terminals The valve must be re-commissioned only with the manual adjuster or the actuator correctly assembled Disposal The actuator contains electrical and electronic components and must not be disposed of together with domestic waste Legislation may demand special handling of certain components, or it may be sensible from an ecological point of view Current local legislation must be observed Warranty The technical data given for these applications is valid only in conjunction with the Siemens butterfly valves as detailed under «Equipment combinations» The use of thirdparty valves other than those recommended by Siemens invalidates the warranty 6/2 HVAC Products
7 Technical data SQL3500 SQL8500 SQL36E50 SQL36E65 SQL36E0 SQL36E60 Power supply Operating voltage AC 230 V ±5 % AC 24 V ±20 % AC 230 V 5 / +0 % Frequency 50 / 60 Hz Power consumption 65 VA 35 VA 60 VA 235 VA Control Positioning signal 3-position Parallel operation parallel operation of several actuators not possible Operating data Positioning time for 90 at 50 Hz at 60 Hz 25 s 05 s 25 s 20 s 6 s 2) 5 s 2 s 2) 0 s 24 s 2) 20 s Angle of rotation 90 ± (factory setting) Torque 20 Nm 40 Nm 00 Nm 400 Nm 200 Nm End switch Switching capacity AC 250 V, 3 A resistive, 5 A inductive Switching differential approx Heating element AC 230 V, 5 W Medium temperature Permissible temperature of medium in the assembled valve: 20 C Standards Meets the requirements for CE marking in EMC directive 89/336/EEC Low-voltage directive 73/23/EEC Electromagnetic compatibility AC emissions: EN ff, EN and EN AC + DC immunity: EN ff Product standards for EN DIN EN 600 automatic electrical controls C-tick N474 Housing protection IP 44 to IEC IP 67 to IEC standard Protection class III or II to EN Flanges and shaft EN ISO 52 32mm connection to actuator F04 / F05 F07 F0 F2 / F6 Dimensions / weight Dimensions see «Dimensions» Cable glands 4 x 20,5 mm (for M20) 2 x M20 Weight 4 kg 45 kg 7 kg 4 kg 25 kg Materials Housing base, yoke die-cast aluminium Cover plastic die-cast aluminium 2) These values apply at nominal voltage, at an ambient temperature of 20 C and at the specified nominal running time Variable positioning time with SEZ3 auxiliary module (see below) Accessories for SQL3500 / 8500 Weight Double auxiliary switch ASC95 / ASC94 Switching capacity Switching differential AC 250 V, 0 A resistive, 3 A inductive approx ASC94 ASC95 85 g 30 g Auxiliary switch with potentiometer ASZ74 Switching capacity Switching differential Change in resistance AC 250 V, 0 A resistive, 3 A inductive approx Ω corresponding to g Accessories for SQL36E Weight Double auxiliary switch ASC36 Switching capacity Switching differential AC 250 V, 3 A resistive, 5 A inductive approx 60 g Potentiometer ASZ36 Change in resistance 0000 Ω corresponding to g Auxiliary module SEZ3 Positioning time for 90 at 50 Hz SQL36E65: SQL36E0: SQL36E60: 3080 s s s 60 g 7/2 HVAC Products
8 General Operation Transport Storage ambient conditions EN EN EN EN SQL3500 / SQL8500 SQL36E SQL3500 / SQL8500 / SQL36E Environmental conditions Class 3K5 Class 4K2 Class 2K3 Class K3 Temperature 5+55 C C C 5+55 C Humidity 595 % r h 500 % r h < 95 % r h 095 % r h Internal diagrams SQL3500 SQL8500 Cm End switch Cm2 End switch c auxiliary switch ASC95 or c, c2 double auxiliary switch ASC94 or c, 000 Ω built-in unit ASZ74 ( auxiliary switch and potentiometer) N Neutral conductor G System potential Control phase OPEN Control phase CLOSED Sequence at 90 2 Sequence at 0 SQL36E50F04 SQL36E50F05 8/2 S End switch CLOSED S2 End switch OPEN S3 Auxiliary switch CLOSED (ASC36) S4 Auxiliary switch OPEN (ASC36) H Heating element P Potentiometer (ASZ36) Control phase OPEN Control phase CLOSED N Neutral conductor NC Normally Closed NO Normally Open COM Common conductor HVAC Products
9 SQL36E65 SQL36E0 SQL36E60 AC 230 V AC 230 V AC 230 V H P = 5 W max AC 250V 3A (,5A) ASC36 SQL36E65 SQL36E0 SQL36E60 SEZ3 T ASZ36 000Ω 4505G0 S S2 S3 S4 S7 H P T N End switch CLOSED End switch OPEN Auxiliary switch CLOSED (ASC36) Auxiliary switch OPEN (ASC36) Thermal switch (integrated) Heating element Potentiometer (ASZ36) Auxiliary module (SEZ3 Control phase OPEN Control phase CLOSED Neutral conductor Connection diagrams SQL3500 SQL36E L (L) (L) 4505A0 Q Q2 Q Q2 (N) () () N (N) () () N2 AC 230 V N N N N, N2 Controller, Actuator L System potential AC 230 V N System neutral Q, Q2 Controller contacts HVAC Products /2
10 SQL8500 SP 4505A02 (G) (G) Q Q2 Q Q2 (G0) () () N (G0) () () N2 AC 24 V G G SN N, N2 Controller, Actuator SP System potential AC 24 V SN System neutral Q, Q2 Controller contacts Dimensions Dimensions in mm SQL3500 SQL8500 * Mounting height of actuator including ASK35 mounting kit = 68 mm > 00 mm: Minimum clearance from wall or ceiling > 200 mm: For mounting, connection, operation, service, etc 0/2 HVAC Products
11 SQL36E50F04 SQL36E50F M03 G K E Z Y L X A J C B SQL36E50F04 SQL36E50F05 DN A 20 B 73 C 37 D 20 E 65 G Ø 80 H 42 I 26 J 49 K 0 L 259 M 24 X 4 Y 42 Z 50 EN 52 F04 F05 kg 45 kg D [mm] M H I > 00 mm: Minimum clearance from wall or ceiling > 200 mm: For mounting, connection, operation, service, etc HVAC Products /2
12 SQL36E65 SQL36E0 SQL36E60 G 4505M02 2) K E Z X Y A L J F C B D SQL36E65 SQL36E0 SQL36E60 DN (350) A B C D E F G Ø 80 Ø 25 Ø 200 H I J K L M X Y Z EN 52 F07 F0 2) kg 7 kg 4 kg 25 kg DN 350 / 400: VKF46350TS, VKF46400TS EN 52 F2 / F6 flange connections for third-party actuators are available on request M I H [mm] > 00 mm: Minimum clearance from wall or ceiling > 200 mm: For mounting, connection, operation, service, etc 2/ Siemens Switzerland Ltd Subject to alteration HVAC Products
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