6.Removal and Replacement of Water Regulating Valve
IMPORTANT
Always install a new drier every time the sealed refrigeration system is opened. Do not replace the drier until after all other repairs or replacement have been made.
1)Turn off the power supply, remove the panels and close the water supply line
2)Recover the refrigerant and store it in an approved container.
3)Disconnect the capillary tube using brazing equipment.
4)Disconnect the
5)Remove the screws and the valve from the bracket.
6)Install the new valve, and braze the capillary tube.
7)Install the new drier.
8)Check for leaks using nitrogen gas (140 PSIG) and soap bubbles.
9)Connect the
10)Evacuate the system, and charge it with refrigerant. See the nameplate for the required refrigerant charge and type.
11)Open the water supply line
12)Check for water leaks.
13)See “IV. 1. Adjustment of Water Regulating Valve.” If necessary, adjust the valve.
14)Replace the panels in their correct position.
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