ADVENT AIR ACTH12 Digital LCD Thermostat Instruction Manual

Advent AIR ACTH12 Manual: Questions and Answers

Can the Advent AIR ACTH12 work with heat strips on a heat pump system?

Heat strips cannot be used on heat pump models. They're compatible with cooling, furnaces, and non-heat-pump systems only. Instruction Manual, p. 2

How do I change the Advent AIR from Fahrenheit to Celsius?

Press and hold both temperature buttons together for 3 seconds. Press and hold them again for 3 seconds to switch back to Fahrenheit.

1. Press and hold both temperature buttons together for 3 seconds.
2. Press and hold them again for 3 seconds to return to Fahrenheit. Instruction Manual, p. 2

What do the fan icons on the Advent AIR ACTH12 display mean?

Three fan icons mean high speed, two mean medium speed, and one means low speed. Auto mode shows no icons and adjusts speed based on temperature difference. Instruction Manual, p. 2

What is the difference between Auto and On fan settings on the Advent AIR ACTH12?

In Auto, the fan cycles with the compressor or furnace and its speed adjusts based on room and set temperature difference. On runs the fan continuously at your chosen speed. Instruction Manual, p. 2

What does it mean when the Advent AIR thermostat LCD flashes on and off?

The LCD flashes during factory reset while you hold all three buttons. It turns off when you release them, indicating the reset is complete. Instruction Manual, p. 3