Furnace Short Cycles Off and On
I have a Suburban SF30fq furnace that cycles the heater flame off and on about every three minutes while the coach is reaching the thermostat setting (technically called short cycling on the limit swi...
Forum Discussion
Is the blower fan a squirrel cage style? If so, be sure the squirrel cage fan is installed properly. If the cage is installed wrong or the motor rotation is backwards they will still move air, but not nearly as much as they should. I work on farm equipment and all the heating/AC systems use squirrel cage fans and I have seen this problem a LOT of times over the years. What would appear correct by looking at the cage may not be the correct way.
Do a Goggle search for "squirrel cage fan rotation" and start reading.
Here is one comment I found.
"A squirrel cage running backwards produces about 25% of the air flow it should when turning the proper direction."
Do a Goggle search for "squirrel cage fan rotation" and start reading.
Here is one comment I found.
"A squirrel cage running backwards produces about 25% of the air flow it should when turning the proper direction."
