Rinnai CAH Series Instalation And Operating Manual page 27

Cooling Application with Hot Water Heat
Air Handler Thermostat
R
V/W2
W1
Y2
Y1
G
C
DH
O
1
2
NOTE
Connect common (C) wire only if required. See thermostat installation instructions for more information.
Canadian Air Handler Installation and Operation Manual
Outdoor Unit
R
V/W2
Y2
Y1
G
C
Air Handler
R
V/W2
W1
Y2
Y2
Y1
Y1
G
C
DH
C
O
1
2
Heat Pump Application with Hot Water Heat
Thermostat
R
V/W2
Y2
Y1
G
C
O
Outdoor Unit
Y2
Y1
C
O
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