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b) Connection to a Closed Loop 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.
• Condenser return outlet is 3/8" FPT. A minimum of 3/8" nominal copper water tubing is
recommended for the condenser return line.
• Shut-off valves and drain valves should be installed at both the condenser water supply
inlet and condenser return outlet.
• The water supply to the condenser should not drop below 4 GPM.
• The pressure differential between the condenser water supply inlet and condenser return
outlet must be no less than 10 PSIG.
• When using a glycol blend, the solution mixture should be less than 30% glycol.
• 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 return 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 return outlet temperature 5 minutes after a
freeze cycle starts. If the condenser return 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. 10
KM-1400SWH/3-M
Connection to a Closed Loop 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
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 Copper Water Tubing
Condenser
Return Outlet
3/8" FPT
Condenser Return Line
Shut-Off Valve
Condenser Return Line Drain Valve
Bin Drain Outlet
See Manufacturer's Instructions