Question about Mitsubishi MXZ-2B20NA-1 Mr. Slim Dual Zone Wall Heat Pump 18 Seer

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Have you heard anything about this model compressors leaking at terminal head and if so do you know possible cause

Installed 6 of this model about 1.5 years ago and had 1 system crack steel at discharge line of compressor and now have one leaking at compressor terminal

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6ya6ya
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Posted on Jan 02, 2017

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relaga58
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SOURCE: p8 eroor code

P8 error is abnormal pipe temperature indoor. If you are running it on heating P8 error will appear because the disc pressure is too high. It could be overcharged.

Posted on Jun 01, 2009

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SOURCE: copper condendsing lines are cold but the air is not cold

http://www.mrslim.com/UploadedFiles/Resource/MSZ-A24NA_Op_Manu_SG79Y961H03_12-29-08.pdf Try this web site for you manual. It's where I found it.

Posted on Jun 15, 2009

ryanski
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SOURCE: master compressor will short cycle what is the

Your system may be over charged or the unit is too large for area it is trying to cool

Posted on Oct 24, 2009

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I have a samsung fridge/freezer. Production date 2007. Model#RS20NRSV5/XSA both the fridge an freezer not getting cold The lights are on but no cold air.An cant hear anything working at the back.


Your compressor is not working that's why its not cooling and you cant hear anything.
Possible cause:
  1. thermostat is set to off or defective
  2. defective capacitor that's why your compressor failed to run.
  3. defective compressor motor
  4. Freon leak or no freon at all.
Solution:
  1. check thermostat switch or relay
  2. check capacitor and wiring.
  3. check compressor motor.
  4. Check Freon pressures.

May 11, 2016 | Samsung Refrigerators

1 Answer

Danby Model # 5661170w2 fridge seems to periodically self defrost w/o me wanting this. What would the usual cause of this be? Thanx for any help that you can offer. Geoff


Check the power plug at the connection. Look for signs of darkened terminals on the power cord plug and the receptacle. Additionally on the side of the compressor the PTC relay and thermal over load contacts can be getting hot and once the unit cycles off there is not enough amperage to re-start the compressor due to a terminal problem. If the compressor is dragging or there are power outages of less than 5 minutes you will get this symptom simply because the unit coolant has not stabilized and the compressor is dead heading against high system coolant pressures so the thermal overload cycles. You would hear clicks about every 4 - 6 minutes if there was a BRIEF power interruption. Anytime there is a power interruption for any refrigerator unplug it for 15 MIT's and then restart he unit so that the coolant pressures equalize.

Lastly the temp control can also cause the problem if it is intermittent. These are the things I would look for as a Tech should you have asked me to service the unit.

Model number note... I was not able to cross the model number you provided so I do not know if this is an automatic or manually defrosting unit. If it is an automatic defrosting unit then there are several other things that can cause this. Defrost thermostat, Defrost heater or the Defrost control / wiring.

Thanks for choosing FixYa,
Kelly

Sep 22, 2011 | Refrigerators

1 Answer

I have an older 33 gallon horizontal craftsman compressor. In December I turned the compressor on in my unheated garage when the temp had been in the 20's for days. It seemed to run normally at first. Then...


It sounds like the pressure safety valve could be acting up. It is designed to open when the tank pressure it too high and they don't always reset until the pressure is down to nothing. Some models have them included on the gauge manifold and some on the top of the tank under the cover. It is also possible that the upper limit on the motor switch is set a little too high which would also cause the valve to "pop" before the compressor shuts off.

Mar 18, 2011 | Craftsman 33 gal Air Compressor 6 hp...

1 Answer

C6 displayed on aircon


C-6 compressor run current high.Check the following.Condenser is dusty/ f.motor less rpm/capacitor is weak/ no gas/Non-condensate gas.

1. Clean condenser. 2.Out door fan slowly rotating, replace capacitor. 3.Keep your arm in discharge line. If you feel no warm., no gas in the system. Find leak and arrest. Vacuum and gas charge.
4. If gas pressure is o.k, but no return (Keep arm in suction pipe(bigger size pipe near compressor). It's non condensate gas in the system. Release all gas and flush out and vacuum and recharge gas. Thanks.

Jan 29, 2011 | Heating & Cooling

1 Answer

How compressor will be installed technical information R-404 2ton reciprocating


1.Recover refrigerant from system

2.Remove suction and discharge lines

3.Remove electrical components

4.Remove old compressor

5.Install new compressor

6.Install electrical components

7.Install suction and liquid lines

8.Remove old drier and install new one

9.Connect gauges and evacuate from both high and low sides to at least 500 microns

10.Charge system and check for leaks

Dec 29, 2010 | Refrigerators

1 Answer

Compressor pumps up fine but then leaks air just below the relief valve. out of a small factory hole in a brass fittting and goe down till compressor starts again.


When the unloader leaks as you describe indicates that the check valve is leaking. Easy to check the condition of the valve. Follow air discharge line from compressor head to tank. The brass or steel fitting that threads into tank is the checkvalve. Remove all air from tank and remove large inspection cap to reveal the teflon seat. If it is cracked or swollen you will need to replace the valve. Parts available at www.toolpartsdirect.com Good luck

Sep 25, 2010 | Hitachi EC12 Portable Electric 2hp Air...

1 Answer

McCall freezer installed 8 yrs ago in remote area 90 miles from nearest tech. Compressor was remoted to basement. Freezer has never cooled to less than 10F--in red arc. Now won't cool less than 30F. ...


If the condenser coil is clean and the unit is in an area where the ambient temp. is 80 degrees or less, it is most likely a refrigerant problem. Probably low and has a leak. Another issue could be that the line sizes for the distance the refrigerant has to travel, may be wrong. Since I don't know the distance, you may need to have that checked into also. You should not have more than a 1-2 psi drop due to line size and distance traveled.

Sep 12, 2010 | McCall Refrigeration Commercial Freezer...

1 Answer

I have a Central Pneumatic, 21 Gallon, 3HP air compressor. The compressor is exiting air through exthaust port.


If air leaks when motor is off, fault most likely in-tank check valve. Follow discharge air line from pump to tank. Brass/steel valve at tank is the check valve. Remove hose to valve and check for leak. Replace as needed. If air is leaking while motor is running fault could be reed valves in head. Faulty reed valves in head, or torn head gaskets will cause very hot discharge air and tank will most likely never fill to shut off (or take a very long time to fill)

Sep 06, 2010 | Air Tools & Compressors

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