M. 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
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
7)Remove the screws and the valve from the bracket.
8)Install the new valve, and braze the capillary tube.
9)Install a 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
13)Open the water supply line
14)Check for water leaks.
15)Replace the panels in their correct positions.
16)Turn on the power supply.
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