5-4 How to recycle refrigerant
• When relocating or disposing of the air conditioner, for environmental reasons, pump down the system following the procedure
below so that no refrigerant is released into the atmosphere.
①
Turn off the breaker (circuit breaker).
②
Connect the gauge manifold valve to the service port of the stop valve on the gas pipe side of the outdoor unit.
③
Fully close the stop valve on the liquid pipe side of the outdoor unit.
④
Turn on the breaker (circuit breaker).
⑤
Perform Pumping Down(test run in cooling mode).
Press the emergency button of indoor unit to start test run in cooling mode.
⑥
When the pressure gauge reaches 0.05 ~ 0MPa [gauge] (approximately 0.5 ~ 0kgf/cm
²
),fully close the stop valve on gas pipe
side of the outdoor unit and stop the operation of the air conditioner quickly.
Press the emergency button of indoor unit to disable the operation. The air conditioner will stop working (Please refer to the installation
manual for detailed instructions on test run).
NOTE: When the pressure gauge reaches 0.05 ~ 0MPa [gauge] (approximately 0.5 ~ 0kgf/cm
²
), fully close the stop valve on gas
pipe and stop the operation of the air conditioner in 3 minutes and 30 seconds.Failure to close the stop valve on gas pipe
and the operation of the air conditioner quickly will result in the impossibility of pumping down due to shutdown protection.
⑦
※
The pumping down operation cannot be performed if the connecting pipes are too long or the refrigerant is over loaded.
If this occurs, use a refrigerant collecting device to collect all of the refrigerant in the system.
⑧
Turn off the breaker (circuit breaker). Remove the pressure gauge and refrigerant piping.
Installation instructions
Instructions on test run
Instructions on stop the operation
When the compressor is working and the stop (ball) valve is opened, disconnecting the refrigerant
pipes will cause air intake and abnormally high pressure in the refrigeration circuit,and thus lead
to burst and injury.
Warning
When pumping down the refrigerant,stop the compressor before disconnecting the refrigerant pipes.
Summary of Contents for MSZ-YK09VA-H1
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Page 16: ...15 1 2 3 50 2 S MAC 621YK 2 S MAC 621YK 5 2 S MAC 621YK 4 2 S MAC 621YK...
Page 17: ...3 16 1 1 2 10 10...
Page 18: ...17 1...
Page 20: ...3 1 1m 3m 3 2 3m 3 19 1...
Page 24: ...C 1 1 5 1 3 1 2 3 4 1 B 1 2 7 1 2 3 1 2 3 4 5 E 5 E 5 5 5 1 1 F 23...
Page 27: ...26 0 05 0MPa 0 5 0kgf cm 25 0 05 0MPa 3 30 5 4...
