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Always protect the valve body by using a damp cloth to prevent the valve from
overheating. Do not braze with the valve body exceeding 120°C.
WARNING
7) Install the new drier (See “4. DRIER”).
8) Check for leaks using nitrogen gas (10 bar) and soap bubbles.
9) Evacuate the system, and charge it with refrigerant. See the nameplate for the required
refrigerant charge (See “1. [d] EVACUATION AND RECHARGE”).
10) Attach the bulb to the suction line. Be sure to secure the bulb using a wire or clamp
and replace the insulation.
11) Place the new set of expansion valve covers in position.
12)
Refit the front panel in its correct position.
13) Connect the power source.
6. WATER REGULATING VALVE - WATER-COOLED MODEL ONLY
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.
IMPORTANT
1) Unplug the icemaker.
2) Close the water supply tap.
3) Remove the panels.
4) Remove the refrigerant from the unit and then any residual refrigerant still existing
in the unit to allow welding process. (See “2. WELDING REPAIR FOR R290
REFRIGERATION CIRCUIT”.).
5) Disconnect the capillary tube using brazing equipment.
When it is required to disconnect the pipes using brazing equipment, be careful
that the refrigerant in the oil left inside the pipes may burn.
WARNING
6) Disconnect the flare-connections of the valve.
