Belimo NVF24-MFT US - User Manual

Wiring for
Damper Actuators and Control Valves
July 2011

Summary

General Wiring Instructions and Transformer Sizing

Transformer Requirements

Details the 24 VAC Class 2 transformer requirements for Belimo actuators.

Multiple Actuator Wiring

Actuator Wiring: On;Off, Spring Return, Electronic Fail-Safe, 24 V

Actuator Wiring: Floating Point, Spring Return, 24 V

Actuator Wiring: Proportional, Spring Return, 24 V

Actuator Wiring: Proportional Control, 24 V, 2-10 VDC or 4-20 mA

Wiring Multiple MFT Actuators: Control Type PWM

Auxiliary Switch Wiring

Interface Wiring Detail: SYX-MFT, 24 V, 120;230 V

SYx-P Interface Wiring Detail

Caution Notes

Important safety warnings and operational cautions for interface wiring.

SY Actuator Wiring Diagram: SY1 Series

Wiring for Control Valves: SY2 Series Proportional, 24 V, 120 V or 230 V

Wiring Diagrams for Fire and Smoke Damper Actuators

Hazard Identification

Safety warnings and cautions for fire and smoke damper actuators.

Installation Notes

Auxiliary Switch Wiring Examples

Belimo NVF24-MFT US Specifications

General

Control Type	Modulating
Angle of Rotation	90°
Housing Material	Polycarbonate
Protection Class	IP54
Connection Type	Screw Terminals
Power Supply	24 VAC/DC
Torque	5 Nm
Ambient Temperature Range	-22...122°F [-30...50°C]
Operating Range	0-90°
Direction of Rotation	Reversible
Mounting	Direct