Title: 68-0055 - T81-82A, T8185A, Q682A,B Chronotherm Fuel Saver Thermostat and Subbase Author: H&BC Technical Communications Subject: Installation Instructions. How to Set a Honeywell Chronotherm Thermostat By William Pullman. If you leave at the same time every day and no one is in the home, you can set the thermostat to a temperature that won't run the heat or air conditioning when you're gone. This type of control saves you money on your home heating and cooling. Hold Temperature. Step 1 Press the 'Hold Temp' button on the thermostat. View and Download Honeywell T8090A/191108A owner's manual online. Heating or Cooling Thermostat and Wallplate or Heating/Cooling Thermostat and Subbase. T8090A/191108A Thermostat pdf manual download. Also for: 191108a, Q682b, T8090a.
VIDEO 3- HD THERMOSTAT COLLECTION Circa (1986-1994) Honeywell Chronotherm T8082 12-30V Single Stage Heating and Cooling thermostat equipped with a single mercury switch. See video for information: Any other questions- please ask. Although I am the biggest fan of liquid mercury- please read disclaimer. Disclaimer: Mercury is dangerous- although this small of an amount poses no significant health threats if released- Devices that contain mercury should be handled with care.
In the event of a spill- proper authorities and cleaning techniques should be consulted. MOST OF ALL DO NOT BREAK GLASS SWITCHES-BULBS TO PLAY WITH THE MERCURY- THIS IS DANGEROUS AND STUPID!
I have three heat zones in my home, two upstairs and one in th basement. I recently upgraded my old mercury Honeywell thermostat upstairs to a digital type CT8775A. They are connected to Honeywel motorized valves at the boiler, type V8043E1012. When I installed the thermostats I was careful to map the wiring an everything seemed fine, the digital display came up, the room temp wa monitored and the backlight was working fine.
However, now that I a starting to need the heat the problem occurs. Hart Tri-loop Configuration Software. When the room is abov the temp of the thermostat setting everything is fine and the displa works.
When I raise the temp setting on the thermostat to turn th heating on, and after the furnace has fired up, the display goes blank the backlight doesn't work but the furnace continues to burn. When th furnace switches off afet a couple of minutes the display reappears only to disappear again.
I have tested the wiring connections at the boiler and behind th thermostat and they are all good. I have manually overridden the valv and tested the motor which appears to spin up OK. I don't know where t look next. Has anyone else had the same problem or can anyone sugges what the problem might be. I have three heat zones in my home, two upstairs and one in the basement.
I recently upgraded my old mercury Honeywell thermostats upstairs to a digital type CT8775A. They are connected to Honeywell motorized valves at the boiler, type V8043E1012. When I installed the thermostats I was careful to map the wiring and everything seemed fine, the digital display came up, the room temp was monitored and the backlight was working fine. However, now that I am starting to need the heat the problem occurs.