MULTI-STAGE TERMINAL OUTPUTS
Refer to equipment manufacturers’ instruc- tions for specific system wiring information.
You can configure the thermostat for use with either
This thermostat is designed to operate a
Use the terminal output information below to help you wire the thermostat properly for your
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| THERMOSTAT TERMINALS (Upper) |
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| L |
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| SA |
| SB |
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| SC |
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| OT |
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| Malfunction Light/ |
| Remote Sense A |
| Remote Sense B |
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| Remote Sense C |
| Outdoor Sensor |
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| Comfort Alert |
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| Interface Module |
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| THERMOSTAT TERMINALS (Lower) |
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| SYSTEM |
| C |
| R |
| HM |
| W2 |
| DHM |
| E/W1 |
| Y2 | Y1 | B | O | G | |||
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| 24 Volt |
| 24 Volt | Energizes on a |
| Heat mode |
| E2/P switch in the P position, | Heat mode |
| Cool mode | Cool mode | Energized in Heat | Energized in | Blower/Fan | ||||||
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| (Common) |
| (Hot) | call for heat if |
| 2nd stage |
| Energizes on a call for |
| 1st stage |
| 2nd stage | 1st stage | and Off Mode | Cool Mode | Energized on | ||||
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| Humidity setpoint is |
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| Dehumidification. |
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| call for Cool | ||
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| above room |
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| E2/P switch in E2 position, |
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| (and Heat if | ||
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| humidity. |
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| call for Dehumidification. |
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| to Electric Heat). | ||
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HEAT PUMP TERMINAL OUTPUTS
Refer to equipment manufacturers’ instruc- tions for specific system wiring information.
You can configure the thermostat for use with the following heat pump system types:
HEAT PUMP TYPE 1.
HEAT PUMP TYPE 2.
This thermostat is designed to operate a
Use the terminal output information below to help you wire the thermostat properly for your heat pump system type. After wiring, see CONFIGURATION section for proper thermostat configuration.
THERMOSTAT TERMINALS (Upper)
L | SA | SB | SC | OT |
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Malfunction Light/ | Remote Sense A | Remote Sense B | Remote Sense C | Outdoor Sensor |
Comfort Alert |
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Interface Module |
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THERMOSTAT TERMINALS (Lower)
SYSTEM | C | R | HM | W2 | DHM | E/W1 | Y2 | Y1 | B | O | G |
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Heat Pump 1 | 24 Volt | 24 Volt | Energizes on a | Heat mode | E2/P switch in P position, | Heat mode | No Output | Heat and | Energized in Heat, | Energized in | Blower/Fan |
| (Common) | (Hot) | call for heat if | 3rd stage, | Energizes on a call for | 2nd stage, |
| Cool mode | Off, Emergency | Cool Mode | Energized on |
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| Humidity setpoint is | Emergency Mode | Dehumidification. | Emergency Mode |
| 1st stage | Mode |
| call for Heat and Cool |
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| above room | 2nd stage | E2/P switch in E2 position, | 1st stage |
| (compressor 1) |
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| humidity. |
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| call for Dehumidification. |
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Heat Pump 2 | 24 Volt | 24 Volt | Energizes on a | Emergency Mode | E2/P switch in P position, | Heat mode | Heat and | Heat and | Energized in Heat, | Energized in | Blower/Fan |
| (Common) | (Hot) | call for heat if | 2nd stage | Energizes on a call for | 3rd stage, | Cool mode | Cool mode | Off, Emergency | Cool Mode | |
| Energized on | ||||||||||
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| Humidity setpoint is |
| Dehumidification. | Emergency Mode | 2nd stage | 1st stage | Mode |
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| call for Heat and Cool | ||||||
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| above room |
| E2/P switch in E2 position, | 1st stage | (compressor 2) | (compressor 1) |
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| humidity. |
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| call for Dehumidification. |
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