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2. Water-Cooled Condenser
a) Connection to an Open Drain System
Condenser Water
Supply Inlet
Minimum Condenser
Water Supply Line Size
Condenser Drain
Outlet
Minimum Condenser
Drain Line Size
1/2" Female Pipe
Thread (FPT)
1/4" Nominal ID Copper
Water Tubing or Equivalent
1/2" Female Pipe
Thread (FPT)
1/4" Nominal ID Hard
Pipe or Equivalent
• A condenser water supply line shut-off valve and drain valve must be installed.
• In some areas, a back ow 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 45°F (7°C) and the condenser drain outlet
temperature must be in the 104°F to 115°F (40°C to 46°C) range. Once the icemaker
installation is complete, conrm 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 at blade screwdriver to rotate the adjustment screw on the water-regulating valve
until the temperature is in the proper range.
Fig. 5
KM-161BWJ
Icemaker Water Supply
Inlet 1/2” FPT
Icemaker Drain
Outlet 3/4” FPT
Condenser Drain
Outlet 1/2” FPT
Condenser Water
Supply Inlet 1/2” FPT
To approved
oor drain
1/4” fall
per foot
Shut-o Valve
Drain Valve
Minimum 1/4” Nominal ID
Copper Water Tubing or
Equivalent
Shut-o Valve
Drain Valve
Minimum 3/4” Nominal ID
Hard Pipe or Equivalent
Minimum 1/4” Nominal ID
Hard Pipe or Equivalent
Trap
Be sure there is sucient
extra water supply line and
drain line for the appliance
to be pulled out for service.
Separate piping to approved
drain. Leave a 2-inch (5-cm)
vertical air gap between the
end of each pipe and the
drain.
2-inch (5-cm)
air gap
Drain
Floor
Vent Tube
18
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