STEP 7. CUSTOMIZE YOUR THERMOSTAT
Your Honeywell CT3550 thermostat comes preset to the most commonly used settings. The settings are:
— Gas or oil forced air furnace.
— Smart Response technology on.
— Temperature °F.
— 12-hour clock format.
You can change any or all of these settings.
Always press the keys with your fingertip or a similar blunt tool. Sharp instruments like pens and pencil
points can damage the keyboard.
Press and hold down
You now can change any of these settings.
Fan Operation (Feature Number 2)
Fan operation options are:
— 0 = Gas or oil furnace. Furnace controls fan operation during heating (preset).
— 1 = Electric furnace or single stage heat pump. Thermostat controls fan operation during heating.
To change fan operation:
System Type (Feature Number 4)
System type options are:
— 1 = Gravity or steam system.
— 3 = Hot water, high efficiency furnace (90% or better), or single stage heat pump.
— 6 = Gas or oil forced air furnace (preset).
— 9 = Electric furnace.
, simultaneously until the screen shows.
to move to next feature or
to return to main display.