Toshiba RAV-SM2244AT8ZG-E service manual 11Compressor 2. Attachment, Vacuuming, Refrigerant charge

No. Part name Procedure Remarks

11Compressor 2. Attachment

(continued) 1) Mount the compressor by reversing the procedure for removal.

CAUTION

The fixing torque for the hexagonal bolts fixing the compressor is 19.6N•m (200kgf•cm).

3.Vacuuming

1)Connect the vacuum pump to the charge port and the high-pressure check joint of the liquid pipe and the gas pipe valve and then operate the vacuum pump.

2)Carry out vacuuming until the vacuum low pressure gauge indicates 1 (mmHg).

CAUTION

Before vacuuming, open the pulse motor valve fully. If the pulse motor valve is closed, vacuuming may be impossible of the heat exchanger in the outdoor unit.

Forcible fully-opened method for the pulse motor valve

•Turn on the breaker switch.

•Short circuit CN300 on the interface board of the outdoor unit.

•Turn off the breaker switch.

4.Refrigerant charge

1)Add a refrigerant amount determined by the pipe length from the charge port of the valve.

CAUTION

The water-proof sheet (rubber sheet) should be mounted so that water drops from the accumulator or the pipes do not come into contact with the terminal section of the compressor.

12Pulse motor 1. Detachment

valve (PMV)	1)	Carry out work of item 1. of Q and T above.	Accumulator	PMV unit
coil	2)	Rotate the coil while pulling upwardly and then
		remove the coil from the pulse motor valve coil
		main unit.

2. Attachment

1) Surely match the positioning projection of the coil with the concave part of PMV main unit and then fix it.

	CAUTION
Mount the coils or the coil carefully so that they do		PMV coil
not make contact with the accumulator.

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