125
REPLACEMENT OF MAIN COMPONENTS
[ 15 TON ]
●
Replace only the compressor that needs replacement although this section shows how to
replace 2 compressors at the same time.
[Removal]
1. Perform refrigerant recovery. (Refer to the following diagram.)
Recovery from the outdoor and indoor units at the same time: Recover the refrigerant from the outdoor unit stop
valves (liquid and vapor).
Recovery only from the outdoor unit: Recover the refrigerant from the outdoor unit service ports (high pressure
and low pressure).
NOTE) Use the high pressure service port at the reversing valve side for refrigerant recovery. If you use the
high pressure service port at the oil separator side, refrigerant recovery may be insufficient because of
the check valve.
NOTE) If the liquid refrigerant accumulates in the
accumulator during recovery, warm and
vaporize the liquid refrigerant with a heat
gun and recover all refrigerant.
Accumulator
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