Honeywell TL7135A User Guide
![Honeywell TL7135A Thermostat manual cover](/images/YFYdAAwfRSrUeEywmWiajEDy/thumbs/thumb175x175.webp)
To set the temperature, press the 'Up' or 'Down' arrow buttons until the desired temperature is displayed on the screen.
Ensure that the thermostat is set to the 'Heat' mode. Check the circuit breaker and ensure the furnace switch is on. If the problem persists, consider checking the wiring connections.
To reset the thermostat, turn off the power to the unit, remove the batteries, wait for about 10 seconds, and then replace them. Restore power and reprogram your settings.
Check if the thermostat is properly connected to the power source. If it uses batteries, replace them with fresh ones. Ensure there is no tripped circuit breaker.
Press the 'Program' button, then use the arrow keys to set the start time and temperature for each period. Confirm each setting with the 'Select' button. Repeat for each day as needed.
Ensure the thermostat is away from drafts, direct sunlight, or heat sources which may affect its reading. If the issue persists, try recalibrating the thermostat according to the user manual.
To lock the keypad, press and hold the 'Up' and 'Down' arrow buttons simultaneously for 5 seconds until a lock icon appears on the display.
Perform a reset by turning off the power and removing the batteries for a few seconds. If the issue persists, check the wiring connections or consult a professional technician.
To change the batteries, gently pull the thermostat away from its base plate, remove the old batteries, and insert new AA batteries, ensuring correct polarity.
Yes, the Honeywell TL7135A is compatible with heat pump systems. Ensure proper configuration by referring to the installation guide for specific wiring instructions.