Installation
Wiring – Model 8466 & 8448 single Transformer (use Jumper Wire) for HEAT/COOL System
Wiring – Model 8466 & 8448 TWO TransformerS (REMOVE Jumper Wire) for HEAT/COOL System
TRANSFORMER
HEATING
TRANSFORMER | JUMPER | 1st HEATING | 1st COOLING | FAN | OUTDOOR TEMP SENSOR | USED | USED | 2nd HEATING 2nd COOLING | COOLING TRANSFORMER | 1st HEATING | 1st COOLING | FAN | OUTDOOR TEMP SENSOR | USED | USED | 2nd HEATING 2nd COOLING |
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| NOT | NOT |
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| NOT | NOT |
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| RC R | W | Y | G | C S1 S2 O/B L | W2 Y2 |
| RC R W | Y | G | C S1 S2 O/B L | W2 Y2 | ||||
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61000652C 8400 Tstat Install.indd 9 | 10/13/09 11:08:58 AM |