Mitsubishi Electric City Multi PQHY-P72 Service Handbook page 287

[ IX Troubleshooting ]
(4) Heat source unit LEV1 and LEV2 coil removal procedure
LEV component
As shown in the figure, the heat source unit LEV is made in such a way that the coils and the body can be separated.
Removing the coils:
Fasten the body tightly at the bottom (Part A in the figure) so that the body will not move, then pull out the coils toward the
top.If the coils are pulled out without the body gripped, undue force will be applied and the pipe will be bent.
Installing the coils
Fix the body tightly at the bottom (Part A in the figure) so that the body will not move, then insert the coils from the top,
and insert the coil stopper securely in the pipe on the body. Hold the body when pulling out the coils to prevent so that
the pipe will not be bent.
If the coils are pushed without the body gripped, undue force will be applied and the pipe will be bent. Hold the body when
pulling out the coils to prevent so that the pipe will not be bent.
Coils
Stopper
Lead wire
Part A
Part A
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Body