Pump Down - Samsung AM036FXMDCH Installation Manual

Pump Down

The object of pump down
X You can reduce as much refrigerant leakage as possible during product movement or repair by collecting the refrigerant X
to the outdoor unit .
Caution for pump down procedure
X The amount of refrigerant that can be put into an outdoor unit is limited due to the slim shape of the outdoor unit . X
X Before performing pump down, most of the refrigerant should be put into an empty container at first . The maximum X
amount of refrigerant that can be put into the outdoor unit is 5kg(176 . 4 oz) .
X When the amount of system refrigerant exceeds the amount of maximum receptive capacity, compressor trip or damage X
by fire might be caused .
Pump down procedure
X Before performing pump down, collect the refrigerant into the empty container . X
X Turn off the manifold gage . X
X Turn off the service valve of liquid pipe side . X
X Press K2 button on the outdoor unit PCB three times . (' X
X When the compressor starts operating, observe low pressure using manifold gage . X
X When the low pressure goes below 0 MPa(gauge pressure), turn off the service valve at gas side and finish the pump X
down operation . (To finish pump down operation, press K2 button one more time or press K3 button one time to be
initiated . )
• When putting refrigerant into the refrigerant container, you must use the exclusive container that can be
recharged . When remodeling normal refrigerant container illegally, explosion might occur .
CAUTION
42
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' is displayed on outdoor PCB LED . )
2013-03-04 오후 4:28:27