Question about Heating & Cooling

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This unit has never really cooled the 12 x 12 room.Goes down to about 70 degrees, -that is it.Used about two months with this lukewarm behaviour last year. I opened it up. Unit inside looks intact. All wires secure to control panel and their respective contacts. Tanks and tubing are intact. CN2 and CN3 tube and room probes are okay. However, the room probe is right on the surface of the coolant distribution "fins", after the plastic slotted keeper. Do I move one of these probes further away from the actual unit a bit ?

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  • chrisheato Jun 22, 2009

    Sorry, I am not about to pull of all the wires.This is a new unit.With the cover cabinet off, I have the unit on a workbench,I see that wiring seems to go to proper respective places as marked on the wiring diagram. I see the compressor turning on after 3 minutes after putting power on. (Fans work fine on all levels.)I moved the room probe a bit away from the unit in front. It does send cold air out now, the cooled tubing in front is cold. I haven't put the unit back into the room as yet. I will try it again put into place back in the room, and see if it cools the room this time.This is a btu 10k unit, it should cool a room of 12 x 12, and it has not.

  • chrisheato Jun 23, 2009

    Thanks, I will look into the timer. I have it cooling the area to about 66 degrees now, -a little bit better. I moved the room probe away from the unit.I don't hear the compressor turning on and off, but I will have the timer checked out. All else seems to be doing what it is supposed to.

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Check wether the timer switch is faulty or timer itself is faulty in your unit.in that case it will keep on dissconnecting the cooling commands and wont alow the room to cool making the compresser go off again and again.get it checked.
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Posted on Jun 22, 2009

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  • Central Air Conditioners - These units use the latest technology to keep an entire home cool through a central cooling system.
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wires should go to a wiring center (all connections made here). Theyusually have spade connector ends. Use needle nose pliers to pull themloose. Made a drawing showing what wire hooks where & what coloreach wire is. Yes, send me pictures. brainard@in-tch.com Later
PS There is a capacitor in there somewhere, watch out for it. Even with the juice off, it will give you a nasty bite.







Many people might think of their air conditioning system as a simpleunit that can be turned on or off in order to control temperature;however, a cooling system is a lot more than that. It doesn't justcontrol the amount of cool air in a house or office. It has an impacton the air that is breathed, including the amount of moisture and moldin a room or house.
The system also has an effect on the amount of energy that is usedand the amount of money that is spent each month. Air conditioningsystems also have an influence on an individual or family's healththrough the air quality that is filtered through a house or officebuilding.
An air conditioning system should be checked twice each year by aqualified technician to keep the unit working properly. An inspectiontypically includes:

    1. Checking system functions and safety controls, and adjusting the operating sequence where appropriate. 2. Inspecting electrical components and connections, and repairing/replacing or tightening as required.
    3. Ensuring proper airflow and changing dirty air filters.
    4. Inspecting pumps and checking flow rates where appropriate.
    5. Cleaning and lubricating motors as required.
    6. Examining belts, and adjusting and aligning as required.
    7. Inspecting, cleaning and balancing blowers as required.
How to Find a Quality Contractor
Most people don't give their air conditioning unit a second thoughtuntil something goes wrong and it needs to be serviced. Maybe it isblowing warm air, or won't come on at all. When this happens, you willneed to find a quality contractor to fix the problem. A skilledcontractor will:
  • Comply with state and local codes and regulations, and carry the proper business and workers' compensation insurance
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  • Possess skill and knowledge to service the equipment, and if necessary, design and install the right system.
  • Be educated with the most up-to-date developments in equipment,technology and design procedures to choose and install a system that isthe most efficient and reliable.

Posted on Jun 20, 2009

  • mohammed marika thambi
    mohammed marika thambi Jun 20, 2009

    you must check the amp draw with a meter to verify if the compressor is
    locked up. if it draws L.R.A. amps which should be listed on the
    compressor it is lock up and needs replaced.

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