65
8. Removal and Replacement of Water Regulating Valve (Water-Cooled
Model Only)
IMPORTANT
Always install a new drier every time the sealed refrigeration system is
opened. Do not replace the drier until after all other repair or replacement
has been made.
1) Turn off the power supply.
2) Close the water supply line shut-off valve.
3) Remove the panels.
4) Recover the refrigerant and store it in an approved container.
5) Disconnect the capillary tube at the condenser outlet using brazing equipment.
6) Disconnect the flare-connections of the valve.
7) Remove the screws and the valve from the bracket.
8) Install the new valve, and braze the capillary tube.
9) Install the new drier.
10) Check for leaks using nitrogen gas (140 PSIG) and soap bubbles.
11) Evacuate the system, and charge it with refrigerant. See the nameplate for the
required refrigerant charge.
12) Connect the flare-connections.
13) Open the water supply line shut-off valve.
14) Check for water leaks.
15) Replace the panels in their correct positions.
16) Turn on the power supply.
Содержание KMD-700MAH
Страница 11: ...11 7 Condensing Unit URC 12F...
Страница 34: ...34 b KMD 700MWH and KMD 900MWH Note KMD 900M_H models have two expansion valves...
Страница 35: ...35 c KMD 700MRH and KMD 900MRH Note KMD 900M_H models have two expansion valves...
Страница 38: ...38 b1 KMD 700MRH auxiliary code R 0 and earlier Note Pressure Switch Cut out 412 PSIG Cut in 327 21 PSIG 21 0...
Страница 39: ...39 b2 KMD 700MRH auxiliary code R 1 and later Note Pressure Switch Cut out 412 PSIG Cut in 327 21 PSIG 21 0...
Страница 42: ...42 Note Pressure Switch Cut out 412 PSIG Cut in 327 21 PSIG 21 0 d1 KMD 900MRH auxiliary code R 0 and earlier...
Страница 43: ...43 d2 KMD 900MRH auxiliary code R 1 and later Note Pressure Switch Cut out 412 PSIG Cut in 327 21 PSIG 21 0...
Страница 75: ...75 Fig 5 Top View Drain Plug Water Shield Overflow Cap Overflow Pipe Cube Guide A Cube Guide B...
