|
| HEAT PUMP SYSTEMS | |||
if your existing | label the wire | if your existing | |||
thermostat is marked: | with this sticker: | thermostat is marked: | |||
Y1 / Y2 |
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|
|
| C |
Compressor Stage 1 or 2 | Y1 | Y2 |
| ||
|
|
| |||
|
|
|
|
| |
|
| Y1 | Y2 |
|
|
|
|
|
|
|
|
label the wire | ||
with this sticker: | ||
|
|
|
| C |
|
24 VAC Common |
|
|
| C |
|
|
|
|
W2
Auxilliary Heat
W2
W2
O
Cool Mode Powered | O |
Reverse Valve |
|
| O |
G
Fan
R / RC
24 VAC Power Supply
G
G
R/RC
R/RC
E
B
Emergency Heat | E |
| |
| E |
Heat Mode Powered |
|
| |
B | |
Reverse Valve |
|
| B |
|
|
L | L |
|
System Monitor
L
See pages 74 for a complete wiring diagram.
11 |
