Fast TR7DRH Installation Instructions Manual page 7

Sample Wiring Diagrams
6 Wire, 1 Stage Cooling, 1 Stage Gas Heat
O
W3 W2 Y2 R W1 Y1 G C
HUMIDIFIER
* If using electric heat this option must be
selected on during advanced setup.(Owner's Manual)
5 Wire, 1 Stage Cooling, 1 Stage Gas Heat
O
Y2
W3 W2 R W1 Y1 G C
HUMIDIFIER
To C terminal
of HVAC
* If using electric heat this option must be
selected on during advanced setup.(Owner's Manual)
Residential Gas or Electric Heat *,
Electric Cool, split systems & package
units
TR7DRH
24 vac common
fan relay
compressor relay
1st stage heat circuit
24 vac return
Residential Gas or Electric Heat *,
Electric Cool, split systems & package
units
TR7DRH
fan relay
compressor relay
1st stage heat circuit
24 vac return
Page 6
W2
DEHUM
C
G
Y1
O
W1
R
E
L
W2
DEHUM
C
G
Y1
O
W1
R
E
L