Why is the display blank on my TOTALINE Thermostat?
A blank display on your TOTALINE Thermostat typically indicates a power issue. Ensure that the power to the furnace is on and that there is 24VAC between R & W. If a C wire is used, verify 24VAC between R & C.
What to do if when calling for cooling, both the heat and cool come on with my TOTALINE P374-2300FM?
If both the heat and cool activate when calling for cooling, the Advanced Setup might be configured for a heat pump while controlling a conventional system. Consult the Owner's Manual in the Advanced Setup section to turn off the heat pump.
What to do if my TOTALINE Thermostat air conditioning equipment tries repeatedly to turn on, but cannot?
If your air conditioning equipment attempts to turn on repeatedly without success, it may be due to insufficient power. Connect a 270 ohm, 10 watt power resistor at the furnace as shown in the manual.
What to do if my TOTALINE P374-2300FM air conditioning does not attempt to turn on?
The air conditioning may not be starting because the compressor timer lockout is active. To address this, consult the Owner's Manual in the Setup section to defeat the cycles per hour and compressor timeguard.
Why does heat come on when I ask for cooling on my TOTALINE P374-2300FM Thermostat when controlling a residential heat pump?
If heat is activated when you request cooling while controlling a residential heat pump, ensure that 'heat pump' is selected 'on' in the Advanced Setup programming. Refer to the Owner's Manual for guidance.
Displays current time, temperature, and operational status with Thermoglow backlight.
Includes Up/Down, Mode, and Override buttons for navigating and adjusting settings.
Shows Heat/Cool indicators and the temperature sensor location.
Explains icons for HEAT, COOL, AUTO, OFF, and PROGRAM ON status.
Details current time, day, room temperature, and desired set temperature.
General| Voltage | 24 VAC |
|---|---|
| Display | Digital |
| Backlight | Yes |
| Programmability | 7-Day |
| Battery | No |
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