FIGURE 5
HEAT PUMP WITH OPTIONAL EIFM ECONOMIZER
“E” VENT OPTION
2 | Low Voltage Wiring Diagram |
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Thermostat | C | R | O/B | W1/E | W2 | L | G | A | Y1 | YO/D | 2 Stage Cool | |
Bard part | 2 Stage Heat | |||||||||||
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24V Low Voltage | C | R | B | W1 | E | W2 | L | G | Y | Y1 | DH | O1 | W3 | Unit |
Terminal Block | ||||||||||||||
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| Orange | Yellow |
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| Y2 | Y1 |
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| Pink | Purple | |||
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| E | F |
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| Blue | Black |
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| 3 |
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| Economizer |
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| Wiring Harness |
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| 1 | Factory Jumper Installed. |
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| 2 | Must be configured for economizer with YO/D output to | ||||
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| be active as first stage cooling. |
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| 3 These wires are used in special control applications only. | |||||
Manual |
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Page | 9 of 19 | |