Questions & Answers for: chronotherm

I have a Honeywell Chronotherm IV Plus a/c unit and I can't get my air condt. to turn on. The room temp. says it's 17 degrees in the house so it won't turn on. I need to know how to reset the room ...

My home too is stuck at 78 degrees with the Chronotherm IV My Chronotherm IV will not go below 78 degrees, I have new furnace filter and furnace has been serviced for the summer. This just happened ...

Old analog chronotherm - clock broken I have a very old Chronotherm thermostat with an analog clock. I used to set the time by turning the hands of the clock. But now the hands no longer turn the ...

my honeywell chronotherm III says -AC any ideas my honeywell chronotherm III thermostat says -AC any ideas other than power source or batteries?? The problem is your 24v power source. I am unsure as ...

I have a very old manual Chronotherm thermostat. I have a very old manual Honeywell Chronotherm thermostat. The clock stopped and when I replaced the battery it now runs ridiculously fast. I really ...

honeywell chronotherm iv fan keeps running even Honeywell Chronotherm iv fan keeps running even when heat and cool turned off. How do I turn it off? To turn the fan off, press the "fan key" until it ...

we have a chronotherm heating system written in dutch and we need to reset it because it turns on during the day and we cant turn the termperature down Chronotherm was a Honeywell thermostat from the ...

Chronotherm 4 plus chronotherm iv plus screen is black. When I hold down the reset button, the screen comes on and the filter light flashes. When I let go of the reset button, the screen goes blank ...

I have a chronotherm 1V plus and in the morning the heat comes on 2 hours before it should i have it set for 6 but after 4 it brings it up to temp perhaps looking over the attached link will help you ...

Honeywell Chronotherm IV PLUS thermostat My house has multiple thermostats with zoned HVAC. I opened the Honeywell Chronotherm IV PLUS thermostat in my bedroom to see if I can replace it with smart ...