Ac Condensing Unit Wiring
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Ac condensing unit wiring. Pull the wire through the conduit while leaving enough on each end to make the connections. Air conditioning unit wiring diagrams fig. The high voltage wires have two insulated power wires and one bare copper ground wire. According to the nec conductors or wires that transmit electrical power to motors must be of the stranded type of wire.
This includes where to install the high and low voltage wiring and why how to check the wiring on the capacitor and where the low voltage powering the contactor is coming from. Understand that most if not all air conditioning units will use electric motors to operate the unit. Cut enough conduit to reach from the disconnect box to the wiring panel on the air conditioning condensing unit. 1 38ck018 32 34 38ck m 024 32 34 38ck m 030 30 32 38ck m 036 and 042 33 34 38ck m 048 35 36 208 230v 1 phase 60 hertz a93410 23 5 red or blk red or blk 208 230 power supply 10 equip gnd l1 l2 11 21 23 blk blu blu yel yel brn blu blk yel yel h c f ofm brn blk vio blu blk blu blk.
The hvac student will master the component wiring for a straight cool outdoor air conditioning condensing unit to a disconnect box this is only to let the students practice reading the wiring. Condensing unit wiring diagram split unit wiring diagram download wiring a ac thermostat diagram new wiring. Wiring an a c unit involves installing a double pole 240 volt circuit breaker in the main service panel running a 240 volt cable to the a c s location installing a safety disconnect switch there and then running weatherproof flex from the switch to the a c s terminal box. The high voltage wires from the air conditioner disconnect box usually mounted on an outside wall within arm s reach of the air conditioner unit are now pushed up through the wire clamp in the bottom of the box.
Install the wires to the condensing unit. Breakdown of colors and terminals thermostat wiring diagram for ac unit r terminal for the red wire w terminal to the white wire g terminal to the green wire y terminal to the yellow wire c terminal to the blue wire. Strip about 1 2 inch of insulation from the ends of the wires inside the disconnect box.