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View Full Version : LEV for Mitsubishi needed



Yuri B.
14-08-2009, 07:29 PM
I cannot find a new LEV (EDM-804MD-3) for PEFY-P125VMM-A.
On one site on Internet it seems it is possible to order a LEV (EDM-804MD) used on PEFY-P125VMH-A.

Does anybody know what is the diff between the both ?
Is it possible to use EDM-804MD on the PEFY-P125VMM-A ?
Thank you.

robin r33 gtr
14-08-2009, 07:39 PM
I have used LEV from different units but some have different plugs on the ends. Cut the plug off the old LEV and join it on the new one.

Yuri B.
15-08-2009, 08:54 AM
EDM-804MD-3 in not valve itself but its DC stepping motor. Can I use in place of it the EDM-804MD ?

Do you mean Robin, the motor's coil and shaft kept by a plug can be taken apart and somehow recombined?

It is not with me now because taken off it leaves the valve remaining fully open and I'm afraid the freely circulating refrigerant will hamper the second PEFY work (maybe even harm the compressor.)

Thermatech
15-08-2009, 10:49 AM
The LEV valve & motor head is manufactured by a company in Japan called Fujikoki
www.fujikoki.co.jp (http://www.fujikoki.co.jp)

Many air conditioning manufacturers get LEV valves from this specialist manufacturer.

The EDM type motor head is the same for all valves but comes with different lenght cable & different plugs on the end for connection to the unit control circuit board.

I think you will find that all EDM type motor heads use 12v dc & 2000 settings fully open to fully clossed.

So I think you would find you can use any EDM type motor head to replace the faulty one which you have found.
but
As Robin has advised you may need to re use the old cable & plug if the new one happens to have different plug on the end of the cable.

I have done this many times & it has always worked ok.

BTW
If you allow the system to run with one indoor unit LEV valve head removed in cooling mode liquid will flush through that indoor unit & you will have very poor or no cooling at all at the other indoor units.
The valve will be open at 2000 with the head removed but under normal operating conditions would only open the valve to 400 to 500 for max cooling. So liquid refrigerant will short circuit through this unit & back to the outdoor unit & reduce liquid flow to the other indoor units due to this bypass.
The outdoor unit will protect from liquid return to the compressor because it constantly monitors discharge super heat by discharge pressure sensor data & discharge temperature sensor.
If the DSH become low due to liquid return to compressor suction then the unit stops compressor. After this happens 2 times the outdoor unit will stop on 1500 fault for refrigerant overcharge.

Yuri B.
15-08-2009, 03:21 PM
Thank you very much Thermatech. (Sorry that before I have not understood Robin right - it was just electrical plug meant.)

Yuri B.
21-08-2009, 08:19 AM
Maybe someone could tell me where he takes the EDM-804MD if he needs them?
Maybe someone has an used but still working one to share ?
All the places I have turned and emailed to only provide spare parts for the units they sell or install, but the history of this unit is unclear.

Yuri B.
01-09-2009, 05:39 PM
Hello.
Could someone tell me if 93 UK pounds asked for the LEV is not a bit much? (but it seems I have anyway no choice apart from this offering)

Yuri B.
04-09-2009, 04:44 PM
Nobody is buying Levs for indoor units ? I had honestly expected some .... 40 euros for it. Is not really 93 UK pounds a bit too expensive?
(If discussions about prices are outlawed here then let this thread get deleted)

Peter_1
05-09-2009, 05:10 PM
Spare parts are always expensive. It will be that or a new unit.