4-21
4.8.11 Electronic Expansion Valve (EEV),
Economizer Modulation Valve (EMV),
Discharge Modulation Valve (DMV)
Name
Type
Electronic Expansion Valve
EEV
Coil HCM-MD12DM-2
Socket (Red)
Body HCM-BD35DM-2
Valve size: 3.5mm
Economizer Modulation Valve
EMV
Coil HCM-MD12DM-3
Socket (White)
Body HCM-BD24DM-1
Valve size: 2.4mm
Discharge Modulation Valve
DMV
Coil HCM-MD12DM-4
Body HCM-BD120DM-2
(1) Replacing the coil
①
Remove the cable band securing coil lead wire.
②
Disconnect the connector on CPU board.
③
Remove the fixing plate and the coil.
④
Replace the old coil with a new one.
⑤
Attach the coil and the fixing plate.
⑥
Plug in coil connector on CPU board.
⑦
Fix the coil lead wire with a cable band.
(2) Replacing the body
※
Recover refrigerant at first and proceed following step.
①
Remove the cable band fixing the coil lead wire.
②
Detach the anti-condensation tube until the
curved part of the pipe.
③
Remove the fixing plate and the coil.
④
Un-solder valve piping.
⑤
Solder in the new valve body.
→
Braze the new valve body while cooling it with a wet cloth.
Maximum body temperature: 120
℃
(248 F) or less
⑥
Mount the coil and the fixing plate.
⑦
Install the anti-condensation tube.
⑧
Fix the coil lead wire with a cable band.
Curved part of the pipe
Brazed part of the pipe
Anti-condensation tube
<
Replacement of main unit
>
Coil
Lead wire
Cable band
Main unit
Cable band
Anti-condensation tube
<
Part names
>
Fixing plate
Fixing pipe
Valve body
Coil
<
Replacement of the coil
>
Fixing plate
Correctly installed
*
It clicks when installed.
Stopper
Fixing pipe
Wrongly installed
<
Confirmation of fixing plate installation
>
Fixing plate
Attention (When installing the
coil and the fixing plate)
●
Securely attach the coil stopper to the
valve body fixing pipe.
→
If wrongly attached, the expansion
valve may function abnormally,
damaging the compressor.
●
Take care not to allow the fixing plate
damage or pinch the lead wire.
→
Malfunction of the expansion valve
may arise.
04̲01-26̲LX10F11B̲En.indd 4-21
04̲01-26̲LX10F11B̲En.indd 4-21
2014/11/19 16:42:26
2014/11/19 16:42:26
https://daikin-p.ru
Summary of Contents for LX10F11B
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