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2. Water-Cooled Condenser
a) Connection to an Open Drain System
• Condenser water supply inlet is 1/2" female pipe thread (FPT). A minimum of 3/8" nominal
copper water tubing is recommended for the condenser water supply line.
• A condenser water supply line shut-off valve and drain valve should be installed.
• Condenser drain outlet is 3/8" FPT. A minimum of 3/8" nominal hard pipe is recommended
for the condenser drain line.
• 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 (rotate counterclockwise to raise temperature or
clockwise to lower temperature).
Fig. 9
KM-1400SWH/3-M
Connection to an Open Drain System
Separate piping to approved drain.
Leave a 2-inch (5-cm) vertical air
gap between the end of each pipe
and the drain.
Icemaker Water Supply Line
Shut-Off Valve
Icemaker Water Supply Line
Drain Valve
Icemaker
Icemaker
Water Supply
Inlet
1/2" FPT
2-inch (5-cm) air gap
Floor
Drain
Icemaker
Drain Outlet
3/4" FPT
Bin
Condenser Water Supply Line
Shut-Off Valve
Condenser Water Supply Line
Drain Valve
Condenser Water
Supply Inlet
1/2" FPT
Condenser
Drain Outlet
3/8" FPT
Condensation
Drain Outlet
3/8" OD Hard Tube
Minimum 1/2" Nominal Copper Water Tubing
Vent Tube
Vent Tube
Minimum
3/4" Nominal
Hard Pipe
Minimum 3/8" Nominal
Hard Pipe
Minimum 3/8" Nominal Copper Water Tubing
Bin Drain Outlet
See Manufacturer's Instructions