Forum Discussion
Old-Biscuit
Dec 06, 2015Explorer III
Fans are thermostatic controlled. Thermostat is on condenser --turns on fans when fin temp is 135*F and turns them back off when fin temp is 115*F fin.
NO fans should not be running in low ambient air temps (usually not needed below 85*F air temps)
The 2 heaters are 225W/EA (450W) so a bit low at 415W
Air flow is needed (Draft) to remove heat from cooling unit.
Blocking off a couple of vents and using a 60W bulb helps when temps are below freezing....but not completely blocked off.
A quick visual for gas pressure......turn on all stove top burners on high. Watch each as you turn on another one. Flames steady/remain at same height or do the diminish height?
Now with them all running turn on furnace or water heater.
Do they recover? If not........LP pressure needs adjusted.
NO fans should not be running in low ambient air temps (usually not needed below 85*F air temps)
The 2 heaters are 225W/EA (450W) so a bit low at 415W
Air flow is needed (Draft) to remove heat from cooling unit.
Blocking off a couple of vents and using a 60W bulb helps when temps are below freezing....but not completely blocked off.
A quick visual for gas pressure......turn on all stove top burners on high. Watch each as you turn on another one. Flames steady/remain at same height or do the diminish height?
Now with them all running turn on furnace or water heater.
Do they recover? If not........LP pressure needs adjusted.
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