Technical Documentation Pressure Independent Characterized ...
Technical Documentation Pressure Independent Characterized ...
Technical Documentation Pressure Independent Characterized ...
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
J20728 - 04/07 - Subject to change. © Belimo Aircontrols (USA), Inc.<br />
® <strong>Pressure</strong><br />
<strong>Independent</strong> <strong>Characterized</strong> Control Valve<br />
with MFT, Spring Return Actuator, P/T Ports (Optional)<br />
Actuator Specifications<br />
TF24-MFT US<br />
Power supply 24 VAC ± 20% 50/60 Hz<br />
24 VDC ± 10%<br />
Power consumption running: 2.5 W; holding: 1 W<br />
Transformer sizing 4 VA (class 2 power source)<br />
Electrical connection TF24-MFT US 3 ft, 18 GA plenum rated cable<br />
1/2” conduit connector<br />
Overload protection electronic throughout 0° to 95° rotation<br />
Operating range Y 2 to 10 VDC<br />
4 to 20 mA<br />
(w/500Ω, 1/4 W resistor) ZG-R01<br />
Input impedance 100kΩ for 2 to 10 VDC (0.1 mA)<br />
500Ω for 4 to 20 mA<br />
Feedback output U<br />
1500Ω for PWM, Floating point and<br />
On-Off control<br />
2 to 10 VDC, 0.5 mA max<br />
Torque min 18 in-lb (2 Nm)<br />
Direction of rotation spring: reversible with cw/ccw mounting<br />
motor: reversible with built-in switch<br />
Mech. angle of rotation max 95°, adjust with mechanical stop<br />
Running time motor* 100 sec constant<br />
Running time spring