Carrier 120 Series - Page 38

38
24 V
Coil
To Humidifier Leads
To Com/24V Screw Terminal
on Thermostat Strip
To HUM Terminal On
Furnace Control Board
To Humidifier Leads
A11157
Fig. 32 -- Field--supplied Isolation Relay for Humidifiers with Internal Power Supply
W/W1
W2
COM
Y/Y2
R
G
A11401
Fig. 33 -- Typical Field Wiring Diagram
59MN7A