I am trying to take out and install a new air conditioner; however, I am having a difficult time removing the field lock which will not release the air conditioner in either direction. The field lock is a metal strip that is screwed into the AC, but mine seemed to be screwed in upside down as all I see is a post with threads. Any odeas? Please?
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Yes, these are very simple to install. I'm not sure about your exact model but generally you just have to remove the top of the unit and the grill slides right up and out. It's only held in by the down pressure of the top being screwed on. Hope thus Helps : )
I have over 35 years in the A/C business and am ASC certified. The motor will normally draw 4 to 6 times it FLA (Full Load Amps) or RLA (Regular Load Amps) when first starting up or is seized. This is called LRA (Locked Rotor Amps). These specs can be found on the motors nameplate and can be checked with an amp meter. If the motor hums and won't start while pulling these high amps, Try giving it a spin with a stick. (in the right direction of course). If it keeps running when helped to start, its probably the capacitor. They normally run about $7.50 wholesale. If its tight in both directions while humming, 1 or more of the field poles is out of balance and the motor will need replacement. Good luck and be careful when spinning it.
Not sure what B was on the old one.. B on the new one would be for heat pump. You will need a wire to W if you have heating system. R is for the 24 v coming to the stat. G is used to control the blower. Y is to control the air conditioner.
You are going to need to replace the motor. When it locks and you cannot turn by hand, that means that either the windings or the brakes have completely locked up. There is a way to open the motor but by the time you get it out, get the parts and replace everything, it is just cheaper to install a new motor. Please rate
It depends on how YOU have it installed. It will slide out of the case and the new one MIGHT fit into the same case. This is trial & error. If not, slide the guts out, remove the case, install the new case & slide the new unit into place.
If it's a window unit, just remove the whole thing and replace it.
Double check that the new contactor has the same electrical ratings on it. My guess is that the coil should be 24v while the relay should be able to carry the same amperage at 220v.
First shut off the breaker and disconnect switch for the furnace and outdoor condenser and call a licensed HVAC contractor:)
If you are determined to do it yourself, Then read the schematics first. Be aware, if you mis wire the system you may cause more damage than you have now. Not to mention your personal safety is at risk.
I am basing this on the most common style contactor found in my area.
The main relay side should be labeled. (eg. L1,L2-T1, T2). These should match exactly like the old one. L1 and L2 are the incoming power. T1 and T2 are the power leaving the contactor. All the 220v wires should correspond to one of these four terminals either by screwing them down or fitting the spade connectors together.
Usually the 24v wires will plug onto the coil (near the bottom, left and/or right sides of the contactor) silver spade connectors.
(STEP 1.) Leave all Wires Connected to your Old Contactor.
(STEP 2.) Remove the two mounting screws that hold the Old Contactor to the Air Conditioners casing.
(STEP 3.) Now Install the New Contactor to the old contactors existing location using the Same two Screws.
(STEP 4.) Now take Off one wire at a time from your old Contactor and
Install each wire one at a time to the proper location on the new