Cabinet Heater G*Y/D*Y Series
INSTALLATION, OPERATION, & MAINTENANCE MANUAL
19
SECTION THREE – Controls Operation
1
CN1 – 24V Customer Input (Thermostat)
2
CN2 – Changeover/Return Air Sensor
3
CN3 – Remote Shutdown Input
4
CN4 – Condensate Overflow Switch
5
CN5 –Two Stage Cooling
6
CN6 – Actuator 7 Aquastat
7
CN7 – Transformer
8
CN8 – Line Service Voltage
9
CN9 – PSC Motor Connection
10
CN10 – ECM Connection
11
ECM Fan Speed Adjustment
12
Ground Connection
13
LED Diagnostics (for Multimeter Diagnostics)
85 Control Board (E025-71481108)
Changeover/Return Air Sensor (CN2)
Pluggable T-Stat Connector (CN1)
Remote Shutdown Input (CN3)
Overflow Switch (CN4)
Two-Stage
Cooling (CN5)
Actuator & Aquastat (CN6)
Transformer (CN7)
Line Service Voltage (CN8)
PSC Motor Connection (CN9)
ECM Connection (CN10)
ECM Fan Speed
Adjustment
LED Indication(s)
1
2
4
3
5
6
7
8
9
10
11
13
12
