Mitsubishi Electric PQHY-P72ZLMU-A Service Handbook page 374

[ IX Troubleshooting ]
2) To remove the Frame M
Remove the screw. (total 4 places)
3) To remove the Water Heat Exchanger and Front Panel
Remove the screw (total 2 places) , pipe cover and cable tie (total 2 places),
and then remove the Front Panel according to the 1-5 procedures on the figure below.
4) To move the Water Heat Exchanger and the Partition Plate
Remove the Screw. (total 4 places)
5) To remove the water heat exchanger
Remove the screw (total 2 places),
and debraze the pipe (total 3 places).
* Precautions for brazing
• Be sure to perform no-oxidation brazing when brazing.
• After brazing, check the condition around the brazing. After confirming no leakage, evacuate the air inside.
• Perform brazing with care of the flame direction so that it does not burn cables and plates etc. in the unit.
HWE15150
Turn Frame M Right Side, Pull out.
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1
2
3
4
To move the Partition Plate to the left.
To move the Water Heat Exchanger to the left. Pull out in front Water Heat Exchanger.
- 365 - 365
After removing Frame M.
After removing Front Panel.
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