Honeywell MP516A1087 Damper Actuator 320734-701 It requires a valid input

It requires a valid input from the ambient sensor and coil sensor to determine if frost accumulation justifies a cycle

cross-referencing the unit model number is mandatory to ensure a proper seal and prevent bypass

What is the difference between the SEC99AB-18 and SEC99AB-18C

it is recommended to mount the valve with the solenoid upright and vertical

typically involving terminals 1 and 2 for power and 3

Honeywell MP516A1087 Damper Actuator 320734-701 It requires a valid inputThe Honeywell MP516A1087 Pneumatic Unit Ventilator Damper Actuator is a heavy duty, rolling diaphragm actuator designed for proportional control of unit ventilator dampers. Engineered for reliability in institutional HVAC systems, this spring return pneumatic actuator features an 11 square inch effective diaphragm area and a versatile 2 1 8 to 2 1 2 inch stroke length. It operates on a 3 12 PSI spring range with a specific hesitation sequence: the