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Out door unit no power to air handler light no on

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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machtcl1
  • 61 Answers

SOURCE: Connecting electronic air filter to furnace fan

You may need a "current sensing relay" to clip around the neutral wire on your blower.
Run the 120v power to the main power (the power switch- hot,neutral and ground) . Run the Hot wire through the "Current Sesing Relay" wires to the EAC unit's 120v. power input. The unit will only run when the fan is on.

Hope this helps,
Matt

Posted on Jan 01, 2009

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  • 24 Answers

SOURCE: where is the fuse box in the inside air handler?

There should be a small 3 or 5 amp fuse on the circuit board inside the air handler.

Posted on Apr 20, 2009

buffalonyman
  • 1865 Answers

SOURCE: I HAVE A RHEEM CENTRAL A/C UNIT OLD UNIT , DOES

The blower is controlled by temperature sensors. Should be a high and low setting

Posted on Jul 14, 2009

  • 125 Answers

SOURCE: My air handler is in

The condensation is from air leaks or torn or missing insulation in the air handler cabinet. You can try replacing service panel seals and repair any damaged insulation. This should help but you probably will not be able to stop it completely.

Posted on Sep 01, 2011

  • 1033 Answers

SOURCE: Unit exactly one year old. Was interruped by

Hello, if you take the L1 wire and jump it with tje high speed motor wire you can bypass the board, if this turns on the motor then you board is fried. If it does not work thenthe motor is shot and muat be Replaced. Also make sure the capacitor is not damagec.

Posted on Sep 19, 2011

Testimonial: "Thanks. You are on the right track, however, tech said that the way the motor was wired, they could not do it? She said there are 4 wires leading out?"

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1 Answer

Air handler door if it is not on the unit will not work


That is a safety switch to shut the power off to the furnace while you are working on it.

Aug 31, 2014 | Heating & Cooling

1 Answer

I have a Ruud heat pump/air conditioner. The out side fan and unit works fine and cools fine but now the inside fan that blows the cool air in will not turn on. We can turn the fan with our hand so I don't...


You didn't mention if you checked for 115 volts at the power supply to the air handler. The unit outside has its own power supply. A lot of times the switch that is on the wall doesn't like to work after its been turned off and back on for service, also check the blower door safety switch. If the blower door hasn't been put back in place properly and snugly it will kill power to the whole air handler. Hope this helps. Good luck

Jul 31, 2013 | Ruud UBHC Air Conditioner

1 Answer

My air handler is in the garage and the out side of the unit has started to condensate between doors and along the bottom of the doors.


The condensation is from air leaks or torn or missing insulation in the air handler cabinet. You can try replacing service panel seals and repair any damaged insulation. This should help but you probably will not be able to stop it completely.

Sep 01, 2011 | Carrier Heating & Cooling

1 Answer

WIRING THE THERMOSTAT TO AC UNIT THEN FROM THE UNIT TO HANDLER


Generally, you would go from the thermostat to the air handler, and then, from the air handler to the outdoor unit. I don't know if you have a heat pump or not, so I will give you a simple diagram and you can contact me if you need more.

Thermostat : Y G R W and sometimes C
Air handler: Y G R W and C
Outdoor unit: two wires connecting to the contactor ( not heat pump)

Thermostat; Y--------------Y(air handler cooling)------------------one side of contactor, outdoor unit
G-------------G (air handler, fan)
R--------------R (air handler ,hot)
W-------------W (air handler, heat)
C--------------C (air handler, common)------------other side of contactor, outdoor unit

This is a typical wiring diagram. Just contact me if you have something different. Hope this helps. Stay cool. mark

Jul 10, 2011 | Heating & Cooling

1 Answer

There is no schematic or number on air handler .outside unit is Goodman # CPE48-1FB.How can i get a schematic for Air handler.


I need more info than just the outdoor unit number. The air handler will be a specific number. If you pull the access panel off the heater, there will be a faceplate inside with the unit name and model number as well as a schematic on the back side of the door.

May 12, 2010 | Goodman CKL60AR60 Air Conditioner

1 Answer

I want to find the transformer for the 36 volt inside unit. Is it in the inside unit or outside unit .I have no power to the inside unit however the outside unit has power,and the inside unit appears to be...


It's a 24v transformer. Your indoor unit houses the transformer for the outdoor unit. The outdoor has a low voltage (24v) supply running to it to push in the contactor for the outdoor unit to run. If your air handler inside has no power then it will kill your LOW VOLTAGE power to the outdoor unit. You will still have the high voltage power to the outdoor unit. You may have a fuse on the switch for your air handler blown if there is one. On the disconnect switch mounted to your air handler, you will have a door to open and a fuse in there. If not, check your main breaker at the panel. If you don't know what a transformer looks like, you may want to have someone familiar with electrical of HVAC help you. To check the transformer for power, you first need power to your air handler, which you don't have. I would say that is not your problem. I would assume your air conditioner is not running outside, correct? Your problem is the power (HIGH VOLTAGE) to your air handler. Loose wires, blown fuse, tripped breaker etc...

Aug 06, 2009 | Comfort-Aire HMC36AT-1 Air Conditioner

1 Answer

Where is the fuse box in the inside air handler?


There should be a small 3 or 5 amp fuse on the circuit board inside the air handler.

Apr 19, 2009 | Heating & Cooling

1 Answer

Themostat problem no power


Your R terminal in your air-handler is the 24v power that goes to the tstat. Look at the air-handler and match the color wire. ALL tstats have a power wire going to them. If you aren't getting power, you probably have a break somewhere in the wiring close to the thermostat you are replacing.

Apr 07, 2009 | Ruud UBHC Air Conditioner

3 Answers

Need to change a filter, can't find it?


Found it, I could kick myself for not reading all the labels on the air handler unit itself.  If you look in the middle of the unit where the power is connected you'll see a small door that says filter access.  Two thumb screws hold it in place and behind it is a washable black mesh filter, slides out. 

Jul 24, 2008 | Ruud Handler Air Conditioner

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