Overview of types. Technical data. T5-NRDVX24-SR-T-.. en v Subject to changes 1 / 3

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1 echnical data sheet NRDVX4-SR--.. Modulating short stroke actuator for the motorisation of Cazzaniga and Siemens short stroke valves in HVAC systems Nominal stroke max. 5.5 mm Actuation force 500 Nm Nominal voltage AC/DC 4 V Control: Modulating Overview of types Valve Actuator Manufacturer Sort ype DN [mm] k vs [m /h] ype Cazzaniga -way V0BM.. LN NRDVX4-SR--CA -way V0BM.. LN Siemens -way VVG NRDVX4-SR--SI -way VVI way VXG echnical data Electrical data Nominal voltage AC 4 V, 50/60 Hz / DC 4 V Power supply range AC V / DC V Power consumption In operation For wire sizing 1.5 W at nominal torque.5 VA Connection erminals 4 mm (cable Ø mm, three-core) Parallel connection es (Note performance data for supply!) Functional data Actuation force 500 N Control control signal operating range DC V, Input resistance 100 kω DC V for (can be switched to DC V) Position response (measuring voltage ) DC V, max. 1 ma, for ) (can be switched to DC V) Position accuracy ±5% Manual override emporary and permanent disengagement of the gearing latch by means of the rotary knob on the housing Nominal stroke 5.5 mm Running time 140 s / 5.5 mm Sound power level Max. 5 db (A) Position indication Scale plate Safety Protection class III Extra low voltage Degree of protection IP40 EMC CE according to 89/6/EEC Mode of operation ype 1 (to EN ) Rated impulse voltage 0.8 kv (to EN ) Control pollution degree (to EN ) Ambient temperature range C Media temperature C (in valve) Non-operating temperature C Ambient humidity range 95% r.h., non-condensating (to EN ) Maintenance Maintenance-free Dimensions / Weight Dimensions See «Dimensions» on page Weight Approx. 500 g 5-NRDVX4-SR--.. en v Subject to changes 1 /

2 NRDVX4-SR--.. Modulating short stroke actuator AC/DC 4 V, 5.5 mm, 500 N Safety notes Product features Accessories! Mode of operation Simple direct mounting Manual operation Functional reliability 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. All applicable legal or institutional installation regulations must be complied with. he device does not contain any parts that can be replaced or repaired by the user. 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 is controlled with a standard signal of DC V and moves into the position defined by the control signal. Straightforward direct mounting on the valve with only one knurled nut. Manual operation possible by lever (temporary disengagement of the gearing latch by pressing, permanent disengagement by means of the rotary knob on the housing). he actuator is overload-proof and automatically stops when the end stops are reached. Description Data sheet Electrical accessories Auxiliary switch 5-Z-NR.. Electrical installation Notes Wiring diagram Connect via safety isolation transformer. Parallel connection of several actuators possible. Power consumption must be observed! Factory setting: Operating range/position feedback DC V (can be switched to DC V) + 5 DC V DC V Dimensions [mm] Dimensional diagrams mm 55 mm mm 9 / 5-NRDVX4-SR--.. en v Subject to changes

3 NRDVX4-SR--.. Modulating short stroke actuator AC/DC 4 V, 5.5 mm, 500 N Adjusting switch S1 and S he S1 and S switches for setting the direction of rotation and the operating range/position feedback are located underneath the housing cover. S1 S inverted direct Switch S1 Direction of rotation V...10 V Signal direct * 0 = 0% Signal inverted 1 = 0% Switch S V * Operating range/position feedback 10 V V V 5 10 V * Factory setting V Dismounting the housing cover Loosen the central screw at the black lever and remove the two Phillips screws of the housing cover. 5-NRDVX4-SR--.. en v Subject to changes /

4 NRDVX A NRDVX..-CA + V0BM.. LN V0BM.. LN 1 NRDVX..-SI + VVG44.. VVI5.. VXG AC 0 V M5-NRDVX.. v /

5 NRDVX.. N L1 N L1 0 1 AC 4 V S1 S S 100% NRDVX NRDVX AC 0 V! N L1 L1 N L1 L1 S1 S S 100% NRDVX NRDVX AC 4 V / DC 4 V + DC 0 10 V DC 10 V 5 NRDVX4-SR--.. AC 0 V / M5-NRDVX.. v