Central Air Conditioning Fuse Box

Electrical panel check your main electrical panel to see if there s a circuit breaker tripped older homes use a fuse box.

Central air conditioning fuse box.

Disconnect box sometimes an ac unit will have a shut off box nearby. Within the shut off box there are typically fuses. Strip about 1 2 inch of insulation from the ends of the wires inside the disconnect box. When central air conditioning service fails during a heat spell you may have to wait days for an hvac repair technician or an ac contractor to show up and you ll probably pay at least several hundred for the repair.

Before you open the compartment turn off the electricity source of your entire air conditioning unit. Diy air conditioning service repair overview. This box has space for a fuse 3 in. To examine your fuses look for a switch near the compressor of your unit.

Step 1 know your air conditioner. Install the wires to the condensing unit. If it is too weathered water and other environmental elements can destroy the breakers or fuses which in turn affects the performance of the air conditioner. A problem with your fuse box your circuit and or your central power supply.

Changed stat wires and it still blows the fuse. Cut enough conduit to reach from the disconnect box to the wiring panel on the air conditioning condensing unit. See name plate on your a c unit for proper sizing. Before you take your air conditioning unit apart it is imperative that you know what kind of fuse you will be replacing.

The air handler will run if there is no power to the outside unit. The ac disconnect box is like the central nervous system of the air conditioner it protects the breakers and the fuses. H k1 k5 not avail k9 rk1 or rk5. If this is for an air conditioner compressor use class rk5 fuse has time delay.

Pull the wire through the conduit while leaving enough on each end to make the connections. Central home air conditioner service failures and solutions. This only happens when the outside unit kicks on. If the circuit breaker has tripped simply turn it off and then back on.

Sounds like you have a short between the outdoor unit and the control board on the air handler.