Question about Heating & Cooling
I currently have a Honeywell Vision Pro IAQ thermostat installed.
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Posted on Jan 02, 2017
Did they check the sensor in the plenum. You are suppose to have bonnet sensor to switch from heat heat pump to gas whaen it is to cold for the heat pump. The bonnet sensor may be to bad. The unit is cycling ever five minutes because it may have five minute time delay.
Posted on Dec 15, 2009
RC & RH JUMP WITH R FROM AH & CU
C/U - A/H - T
R - R - R = 24V
C - C - C = COMMON
Y - - - Y = COOLING
G - G = FAN
B O\B = REVERSING VALVE - HEAT
make sure the stat is set up for heat pump
Not sure what b or d are. i would double check the schematic on the condenser for the reversing valve wire.
Posted on Dec 16, 2009
If the thermostat is not over shooting the temperature than don't worry about it.
These thermostats are very sensitive and will turn the heat back on even before the degrees drop on the display. Often they will shut down before the display changes also. You can change the sensitivity of the thermpstat if you read the directions and change the cycles per hour to a less number. There is an installers program in there that you need to push a combiunation of buttons to get too. The instructions tell you how to do that also.
Hopefully you did not throw away the instruction manual for your t-stat.. :-)
Posted on Dec 28, 2009
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