2, 3, 4, 5 WIRES |
(INCLUDING MILLIVOLT) (2-WIRE HEAT USE “RH” & “W1”)
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O | B | G | Y | RC | RH | W1 | A | W2 | C |
| FAN WIRE |
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| MAY NOT BE | G |
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| R | W |
| W2 | C |
| PRESENT IN |
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| ALL SYSTEMS | F |
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| RH | W1 |
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| X |
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9 |
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| V | 4 |
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| B* |
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| O |
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| P |
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| T |
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| I |
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| O |
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| SYSTEM COMMON |
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| N | |
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| A |
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| L |
FAN |
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| SYSTEM 24V |
| STAGE | STAGE |
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| 1 | 2 |
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| TRANSFORMER |
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| HEATER |
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#1
NOTE: THE BLACK TERMINAL LETTERS ARE TYPICAL, GRAY TERMINAL LETTERS ARE BRAND SPECIFIC