FIGURE 1
BASIC HEAT PUMP WITH OPTIONAL ELECTRIC HEAT
NO ECONOMIZER or VENTILATION PACKAGES
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| Low Voltage Wiring Diagram |
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Thermostat | C | G | R | Rc | Y | O/B | Aux | L | E | 1 | Stage Cool |
#TH5220D1151 | |||||||||||
Bard part |
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| 2 | Stage Heat |
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| 1 |
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| "L" is constant 24V output when | |
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| thermostat is in Em Heat mode | |
Thermostat | C | G | R | Y1 | O/B | W2 | Y O/D W1/E | L | Y2 | A | Electronic | |
Bard part | Programmable | |||||||||||
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24V Low Voltage | C | G | R | Y1 | Y | B | W1 | W2 | W3 | E | L | DH | O1 | |
Terminal Block | ||||||||||||||
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Unit
1Factory Jumper Installed
Manual |
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Page | 5 of 19 | |
