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1-5 Maintenance Method
1.Maintenance Environment
1-1 Pay attention to the safety during maintenance as R600a refrigerant is
combustible and explosive.
1-2 Keep the work place well ventilated without sparks and hot resource around
when repairing the refrigerator's cooling system. Soldering or heating are not
recommended. No smoke also.
1-3 Fire soldering is not allowed until the work place is ventilated without R600a
left in the CYCLE.
2.Refrigerant Remnants Discharging
Prior to reinjecting the refrigerant, conduct the trouble inspection. If the leaking
point is found, eject the remained R600a out.
2-1 Open the compactor back cover, reel out the two process pipes and cut them
by a knife or pilers to discharge the remained R600a refrigerant.(See figure 1)
2.2 Leave the refrigerant for a while (about 30 minutes) and connect to the dry
nitrogen to ensure R600a refrigerant is completely discharged and the system
are unblocked.
Gas out
cutting position
3
connect to the nitrogen
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