Wiring Diagram Humidity Fan. Attach the duct connector C to the fan housing A. The HB Humidistat provides manual low voltage 24 vac control of humidifiers in central heating and air conditioning systems.
Proceed to Step 5. 4 1 3 2. Turn fan ON immediately for the set timer period Turn fan ON immediately to control odors by using to control odors by cycling switch.
D Earth Connection To all unitsThis wire should be sleeved in a greenyellow earth sleeve.
The sensor has pressure plates for installing the wires. This humidity control is wired the same way a manual humidistat H is wired. SENSOR OPERATION FOR AP19020H-S The humidity-sensing fan uses a sophisticated humidity sensor that responds to. See Connect Wiring for details.