CHECK AND TEST 1

Step 1

Check whether the tray is full of water.

DIAGNOSIS 1

PROCEDURE 1

Step 1

Check with Homa if a larger tray is available
If so, replace existing tray with a larger one.

DIAGNOSIS 2

PROCEDURE 2

Step 1

When a bigger tray isn't available, please check to see sure if is enough space in compressor niche for an additional tray.


DIAGNOSIS 3

PROCEDURE 2

NOTE


Step 1

Discharge refrigerant. Cut off the charging tube with a pair of pliers.

Step 2

Discharge all refrigerant toward the exhaust vent.

Step 3

Melt brazing material with flame and pull out processing tube using a pair of pliers.

Note


Step 4

Re-braze a copper tube onto compressor processing tube

Click below link to get more details for brazing requirements, please go to Annex B1

Step 5

Install quick connector onto re-brazed pipe.

Step 6

Inject nitrogen (1.57Mpa) through quick connector into pipe.

Step 7

Cut off exhaust pipe.

Step 8

Attach a new tray onto compressor plate.

Step 9

Add evaporating pipe to connect the 2 ends of exhaust pipe.

Step 10

Attach evaporating pipe to tray and braze.

Step 11

Add extra pipe to connect the trays.

PROCEDURE 3

Step 1

Clean paint off brazed joint of drying-filter.

Step 2

Cut off drying-filter.

Step 3

Cut off capillary and shake to remove the cut end.

Step 4

Braze on a new drying-filter.

Step 5

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

Step 6

Add quick connector onto processing pipe of drying-filter.

Step 7

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

Step 8

Vacuum and recharge.

Click below link to
get more details for vacuuming and gas- charging requirements, go to Annex B2

Step 9

Block processing pipe twice with locking pliers.

Step 10

Leave locking pliers on the second block and cut off the rest of the pipe by shaking.

Step 11

Braze the ends and remove the pliers.

DIAGNOSIS 4