Carrier Fan Relay Location

An air conditioner uses relays to switch the system s high voltage parts on and off.

Carrier fan relay location.

If it s a fan coil the evaporator coil is typically located inside the fan coil cabinet. Fan coil control hk38ea011 is factory installed in fe fan coils with minor revision b or later in the 14th digit of the fan coil model number. Ordered a new replacement a icm271c. With a typical split system central air conditioner the evaporator coil is often located inside the home or garage as a part of the air handler unit.

The right furnace got a new board in 2010 and ano. The purpose of the fan center relay is to provide a low voltage control 24 volts to control a relay that can be used to control two speed blower motors and auxiliary circuits in heating or cooling equipment many of the newer furnaces do not have fan center relays but many of the older furnaces and some new furnaces still do. A 22 vdc relay fitted with a rectifier circuit board that can be mounted within the fan coil. Induced draft venter motors and assemblies.

Can anyone explain how to connect an hk61ea006 control board to a fc4cnf048 carrier system. Electric heat cannot be used with hydronic interface relay kit. If your furnace goes off on high limit or if one of the rollout switches are open then the furnace fan will run all the time because the furnace control board is telling the furnace that the furnace has over heated and the fan. The relay contains a low voltage coil and a high voltage switch sometimes called contact points when the thermostat switches on a low voltage signal energizes the appropriate relay.

Before replacing the board make sure you check more commonly defective parts particularly the fan motor capacitor and the fan motor itself. This item is in stock. If the indoor unit is a furnace the evaporator coil is typically mounted where the outgoing air flows. Fan limit controls.

Carrier 5304459461 heater relay. The relay board provides voltage to many components of the air conditioner including the fan motor. Relay boards are often misdiagnosed. Stuck relay on control board that is 31 years old.

Check to make sure the fan is not in the fan on position on your thermostat. Purpose of the fan center relay. If the relay board isn t working properly the fan might not run. An ac tech provided a temporary fix by bypassing the on board relay and wiring up a relay to allow the fan to operate.

Carrier 30032022 relay board. Fan on your furnace runs all the time and will not shut off. It will only work for ac though and with cold weather coming i need to make sure the heater will work too.