Toshiba MMU-AP0091H service manual 216

No.	Part to be	Work procedure	Remarks
	exchanged
10	Exchange of	REQUIREMENT
	4-way valve

Wear protective clothing on your hands as other components may cause and injury etc.

Before beginning the procedure, ensure the refrigerant has been reclaimed from the outdoor unit, using a suitable refrigerant recovery device.

1)Remove the lower cabinet (Front side).

2)Remove the inverter box according to the item “How to remove the inverter box”.

3)Remove the brazed sections on PMV assembly at 3 positions. (Refer to the figure below.)

4)Remove the brazed sections on the 4-way valve at 4 positions.

∗When brazing, prepare a shield plate, etc. so that the brazing flames do not burn the wires.

Remove brazed sections at 2 positions on the strainer.

Remove brazed sections at

3 positions on the 4-way valve.

PMV assembly

4-way valve body

Remove brazed sections at

2 positions under PMV.Remove brazed sections at

1 position under 4-way valve.

Before removal of PMV assembly

After removal of PMV assembly

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