PROCEDURE 1


Step 1

Unscrew bottom
attachment.

Step 2

Unscrew top
attachment.

Step 3

Remove the plastic
guider cover.

Step 4

Unscrew the plastic
guider.

Step 5

Hold cabinet and pull
appliance out.


Note:
Reverse procedures
above to install the
appliance.

CHECK AND TEST 1

Note


Step 1

Cut off capillary to discharge refrigerant.


Step 2
Discharge all refrigerant
toward the exhaust vent.

Step 3

Cut off exhaust pipe and
suction pipe.

Step 4

Power up the compressor and feel the exhaust pressure from the exhausting pipe with a piece of paper.

DIAGNOSIS 1

CHECK AND TEST 2

Step 1

Braze the joints of suction and exhaust pipes.

Step 2

Melt brazing material with flame and pull out processing tube with pliers.

Step 3

Re-braze a copper tube onto processing tube of compressor. Click below link to get more details for brazing requirements, go to Annex B1

Note

Step 4

Clean paint from brazed
joint of drying-filter.


Step 5

Cut off drying-filter.

Step 7

Braze on a new
drying-filter.

Step 8

Add quick connector
onto processing pipe of
drying-filter.

Step 9

Inject nitrogen (1.57Mpa)
through quick connector
into pipe for at least
3 min to blow remaining
refrigerant away.

Step 10

Cut off brazed joints, one
by one, to find blockage
point.

Step 11


First, cut off end
closed to exhaust end
(A in below picture).

Step 12
Then, cut off the end
closed to suction end.

DIAGNOSIS 2

PROCEDURE 2

Step 1

Use a larger copper tube to connect 2 ends of brazed joint.

Step 2
Braze the 2 ends.

Step 3

Perform a leakage test
on all re-brazed joints
of drying-filter and
compressor processing
pipe.

Step 4

Vacuum and recharge. Click below link to get more details for vocuuming and gas-charging requirements, go to Annex B2

Step 5

Block processing pipe twice by locking pliers.

 

Step 6

Leave locking pliers on
the second block and
shake to cut off the rest
of the pipe.


Step 7
Braze the ends and
remove the pliers.

DIAGNOSIS 3


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