SECTION 12: CONTROL METHODS
FIGURE 28: Two Zone Operation without Control Panel
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| DPST (12 A) |
| DPST (12 A) |
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| Transformer |
| Transformer |
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| Relay |
| Relay |
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| R | C |
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| R | C |
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| W G | Y |
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| W G | Y |
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Zone 1 |
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| Zone 2 |
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Thermostat |
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| Thermostat |
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| Purple | Red |
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| 1 | 3 |
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| 1 | 3 |
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| Purple |
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| 4 | 2 6 |
| 4 | 2 6 |
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| COIL | 5 COIL | Red |
| COIL | 5 COIL |
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| Black |
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120 V |
| Black |
| Black |
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1 Ø | White |
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| Red/Yellow |
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60 Hz |
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| White | Red/Yellow | |||
L |
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| Black |
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N |
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| L | N |
| L | N |
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| L | N |
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| Pump |
| Zone 1 |
| Zone 2 |
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| Burners |
| Burners | ||
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| Motor |
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| Pressure |
| Nine Burners Total |
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| Maximum Between Zones |
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| Switch |
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| (Pump) |
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Description |
| Part Number |
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DPST Transformer Relay |
| 90436300 |
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| 45 |
