Power consumption In operation At rest For wire sizing. 150 s / C Sound power level Motor. Emergency setting function 61 db (A)

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1 echnical Data sheets GRK4A-SR-5 Modulating SuperCap rotary actuator with emergency setting function and extended functionalities for butterfly valves and ball valves with mounting flange ISO 511-F05 orque 40 Nm Nominal voltage AC/DC 4 V Control: modulating DC 0 V Position feedback DC V Design life SuperCaps 15 years echnical data Electrical data Nominal voltage AC 4 V, 50/60 Hz / DC 4 V Nominal voltage range AC V / DC V Power consumption In operation At rest For wire sizing 11 nominal torque 3 W 1 VA (l max 0 5 ms) Connection Cable 1 m, 4 x 075 mm Parallel operation es (note the performance data) Functional data orque 40 Nm Control Control signal DC 0 V, input impedance 0 k Operating range DC V Position feedback (Measuring voltage ) DC V, max ma Emergency setting position () / or adjustable 00% ( rotary button) Bridging time with voltage interruption s Position accuracy ±5% Direction of rotation Emergency setting position Reversible with switch 0 0% (end stop 0%) Manual override Gearing latch disengaged with push button Running time Motor Emergency setting function 150 s / C Sound power level Motor 53 db 90 s running time 5 db 150 s running time Emergency setting function 61 db (A) Position indication Mechanical, pluggable Safety Protection class III Safety extra-low voltage L Class Supply Degree of protection IP54 NEMA, L Enclosure ype EMC CE according to 004/8/EC Certification Certified to IEC/EN and IEC/EN clus according to L A and L and CAN/CSA E :0 Mode of operation ype 1AA Rated impulse voltage 08 kv Control pollution degree 3 Ambient temperature C Non-operating temperature C Ambient humidity 95% rh, non-condensing Maintenance Maintenance-free Dimensions / Weight Dimensions See «Dimensions» on page 5 Weight Approx 8 kg erms and abbreviations = Power off position / emergency setting position PF = Power fail delay time / bridging time wwwbelimocom 5-GRK4A-SR-5 en v Subject to changes 1 / 5

2 GRK4A-SR-5 ball valves, AC/DC 4 V, 40 Nm Safety notes Product features! Mode of operation he actuator has been designed for use in stationary heating, ventilation and air conditioning systems and is not allowed to be used outside the specified field of application, especially in aircraft or in any other airborne means of transport It may only be installed by suitably trained personnel Any legal regulations or regulations issued by authorities must be observed during installation he switch for changing the direction of rotation may only be operated by authorised personnel he direction of rotation must not in particular be reversed in a frost protection circuit he device may only be opened at the manufacturer's site It does not contain any parts that can be replaced or repaired by the user he cable must not be removed from the device he device contains electrical and electronic components and is not allowed to be disposed of as household refuse All locally valid regulations and requirements must be observed he actuator moves the valve to the desired operating position at the same time as the integrated capacitors are loaded Interrupting the supply voltage causes the valve to be rotated back into the emergency setting position by means of stored electrical energy he actuator is connected with a standard modulating signal of DC 0 V and travels to the position defined by the positioning signal he measuring voltage serves for the electrical display of the ball position 0 0% Pre-charging time (start up) he capacitor actuators require a pre-charging time his time is used for charging the capacitors up to a usable voltage level his ensures that, in the event of an electricity interruption, the actuator can be moved at any time from its current position into the preset emergency setting position () he duration of the pre-charging time depends mainly on how long the power was interrupted ypical pre-charging times Pre-charging time [s] Pre-charging time [s] Duration of voltage interruption [Days] Duration of voltage interruption [Days] 5 Delivery condition (capacitors) Simple direct mounting Manual override High functional reliability he actuator is completely discharged after delivery from the factory, which is why the actuator requires approximately 0 s pre-charging time before initial commissioning in order to bring the capacitors up to the required voltage level Simple direct mounting on a valve with ISO 511-F05 mounting flange he mounting orientation in relation to the valve can be selected in 90 steps Manual override with push button possible (the gear is disengaged for as long as the button remains pressed down) he actuator is overload-proof, requires no limit switches and automatically stops when the end stop is reached / 5 5-GRK4A-SR-5 en v Subject to changes wwwbelimocom

3 GRK4A-SR-5 Product features Direction of rotation switch Emergency setting position () rotary button ball valves, AC/DC 4 V, 40 Nm (continued) When actuated, the direction of rotation switch changes the running direction in normal operation he direction of rotation switch has no influence on the emergency setting position () which has been set he «Emergency setting position» rotary button can be used to adjust the desired emergency setting position () between 0 and 0% in % increments he rotary button always refers to an angle of rotation of 90 and does not take into account any retroactively adjusted end stops In the event of a voltage interruption, the actuator will move into the selected emergency setting position, taking into account the bridging time (PF) of s which was set ex-works Combination valve/actuator Für Ventile mit folgenden mechanischen Spezifikationen nach ISO F05: Square stem head (14 mm) for form-fit attachment of the rotary actuator Hole circle d = 50 mm for installation with the butterfly valve Accessories Description Data sheet Electrical accessories Auxiliary switch SA /5 - SA Feedback potentiometer PA /5 - PA Position sensor SGA4, SGE4 and SGF4 - SG4 Digital position indication ZAD4 - ZAD4 Room temperature controller CR4 S4 - CR4- Electrical installation Wiring diagram Note Connect via safety isolation transformer Factory setting of the direction of rotation switch! Control signal Measuring voltage Cable colours: 1 = black = red 3 = white 5 = orange Wiring diagram for parallel operation 1 X Notes A maximum of eight actuators can be connected in parallel Parallel operation is permitted only on separated axes It is imperative that the performance data be observed with parallel operation Actuator 1 Actuator Actuator X wwwbelimocom 5-GRK4A-SR-5 en v Subject to changes 3 / 5

4 GRK4A-SR-5 ball valves, AC/DC 4 V, 40 Nm Electrical installation (continued) Cable lengths C A = Actuator C = Control unit L 1 = Belimo connecting cable, 1 m (4 x 075 mm ) L = Customer cable L tot = Maximum cable length L Note When several actuators are connected in parallel, the maximum cable length must be divided by the number of actuators L 1 L tot A Cross-section L / Max cable length L tot = L 1 + L AC DC Example for DC 075 mm 40 m 0 m 1 m (L 1 ) + 19 m (L ) 0 mm 50 m 30 m 1 m (L 1 ) + 9 m (L ) 150 mm 80 m 45 m 1 m (L 1 ) + 44 m (L ) 50 mm 130 m 80 m 1 m (L 1 ) + 79 m (L ) N L AC 30 V AC 4 V C A = Actuator C = Control unit L 1 = Belimo connecting cable, 1 m (4 x 075 mm ) Note here are no special restrictions on installation if the supply and data cable are routed separately L 1 A Operating controls and indicators 1 1 Direction of rotation switch Cover, button 3 button 4 Scale for manual adjustment 8 Status 6 (no function) 7 Disengagement button 6 LED display 8 green Illuminated Blinking Off Meaning / function Operation OK / without fault function active Not in operation Pre-charging time SuperCap Fault SuperCap 4 / 5 5-GRK4A-SR-5 en v Subject to changes wwwbelimocom

5 GRK4A-SR-5 Operating controls and indicators ball valves, AC/DC 4 V, 40 Nm (continued) Setting the Power off position A AB 0% Status A AB 0% A AB 0 0% Dimensions [mm] Dimensional drawings wwwbelimocom 5-GRK4A-SR-5 en v Subject to changes 5 / 5

6 GRKA-5 / GRKA E 1 R6W F05 = 14 F07 = 17 D6 1 R6W D6 0% 0% 3 F05 Nm F05 Nm Nm 13 R6W D6 F M 0 M wwwbelimocom GRKA-5/GRKA /

7 GRKA-5 / GRKA-7 AC 4 V / DC 4 V 1 GRK4A-5 GRK4A-7 AC 4 V / DC 4 V + DC 0 V DC V DC 0 V DC 0 V GRK4A-SR-5 GRK4A-SR-7 GRK4A-SZ-5 GRK4A-SZ-7 GRK4A-MF-5 GRK4A-MF-7 + DC 0 V MP GRK4A-MP-5 GRK4A-MP-7 AC 4 V a b a () 4 b () GRK4A-3-5 GRK4A-3-7 / GRKA-5/GRKA wwwbelimocom