HVAC: Belimo Valve Actuator Replacement/Installation #1 For 4 Pipe Fan Coil Unit (ARB24-SR + B240)

This is a 2-Way, Characterized Control Valve. The ARB24-SR is a modulating control valve and comes with a stainless Steel Ball and Stem. This valve is typically used in air handling units on heating or cooling coils, and fan coil unit heating or cooling coils. Some other common applications include Unit Ventilators, VAV box re-heat coils and bypass loops. This valve is suitable for use in a hydronic system with variable flow.

Belimo ARB24-SR Technical Data:
Power Supply: 24 VAC ± 20%, 50/60 Hz, 24 VDC ± 10%
Power Consumption Running: 2.5 W
Power Consumption Holding: 0.4 W
Transformer Sizing: 5 VA (class 2 power source)
Electrical Connection: 3ft [1m], 18 GA plenum cable with 1/2” conduit connector
Overload Protection: electronic thoughout 0° to 90° rotation
Operating Range Y: 2 to 10 VDC, 4 to 20 mA w/ ZG-R01 (500 ?, 1/4 W resistor)
Input Impedance: 100 k ? for 2 to 10 VDC (0.1 mA), 500 ? for 4 to 20 mA
Feedback Output U: 2 to 10 VDC
Angle of Rotation: 90°
Direction of Rotation (Motor): reversible with built-in switch
Position Indication: integrated into handle
Manual Override: external push button
Running Time (Motor): 90 sec
Ambient Temperature Range: -22°F to 122°F [-30°C to 50°C]
Storage Temperature Range: -40°F to 176°F [-40°C to 80°C]
Housing: NEMA 2, IP54

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