increase the efficiency of the system
A fan or cooler relay is used in electrical furnace to change the blower speed to the blank speed for cooling
It could have any size heating furnace, the two are unrelated except for the size blower used in the furnace to support the 3 ton cooling system. But the fact remains you can get a 3 ton blower in 50,000 btu furnace, a 100,00 btu furnace and anything in between.
There should be only one blower to move the air. The unit will have a coil for cooling and a heat exchanger.
If you have a 2 stage furnace (hi fire & lo fire) then the blower will run on lo speed in lo fire & hi speed in hi fire and in AC mode. If it`s a single stage furnace lo speed for heat and hi speed for cooling.
furnace equipped with FD(force draft) and ID(induced draft) fan /blower are called balanced draft system.Fd used to regulate combustion airflow while ID used to regulate furnace pressures type of furnace operate slightly below ATM pressure .
Watts
Yes it is. It contains the blower.
no
To add the sae 10 non detergent oil to your furnace blower motor you will have to open the motor section.
Yes, It`s on the inside of the blower compartment cover panel.
Furnace blower motors are easily found at HVAC installers and repair centers. However, without proper knowledge, a customer should not try to fix this, it can be dangerous.
Forced air heating