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ENGLISH
2. Water-Cooled Condenser
a) Connection to an Open Drain System
Condenser Water
Supply Inlet
1/2" Female Pipe
Thread (FPT)
• A condenser water supply line shut-off valve and drain valve must be installed.
• In some areas, a back flow preventer may be required in the cooling water circuit.
• In order to maintain the proper high side pressure, the condenser water supply inlet
temperature should not drop below 7°C and the condenser drain outlet temperature must
be in the 40°C to 46°C range. Once the icemaker installation is complete, confirm the
condenser drain outlet temperature 5 minutes after a freeze cycle starts. If the condenser
drain outlet temperature is not in the proper range, use a flat blade screwdriver to rotate
the adjustment screw on the water-regulating valve until the temperature is in the proper
range (rotate counterclockwise to raise temperature or clockwise to lower temperature).
Icemaker Water
Supply Inlet
1/2" FPT
Condenser Water
Supply Inlet
1/2" FPT
Vent Tube
Condenser
Drain Outlet
1/2" FPT
Icemaker
Drain Outlet
3/4" FPT
Bin Drain Outlet
3/4" FPT
Minimum 3/8"
Nominal ID
Hard Pipe or
Equivalent
Fig. 6
Model Shown:
Connection to an Open Drain System
KM-470AWJ/
KM-470AWJ-S
Minimum Condenser
Water Supply Line Size
3/8" Nominal ID Copper
Water Tubing or Equivalent
Minimum 3/8" Nominal ID Copper
Water Tubing or Equivalent
Icemaker
Ice
Storage
Bin
Minimum 3/4" Nominal ID
Hard Pipe or Equivalent
Water-Cooled Models
Condenser Drain
Minimum Condenser
Outlet
Drain Line Size
1/2" Female Pipe
3/8" Nominal ID Hard Pipe
Thread (FPT)
or Equivalent
Shut-Off Valve
Drain Valve
Icemaker
Condensation
Drain Outlet
3/8" OD Hard Tube
Vent Tube
14
Minimum 3/8" Nominal ID Copper
Water Tubing or Equivalent
Be sure there is sufficient
extra water supply line and
drain line for the appliance
to be pulled out for service.
Separate piping to
approved drain. Leave
a 5-cm vertical air gap
between the end of each
pipe and the drain.
5-cm air gap
Floor
Drain
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