ENGLISH
17
b) Connection to a Closed Loop System
• Condenser water supply inlet is 1/2" female pipe thread
(FPT). A minimum of 3/8" (10 mm) nominal copper water
tubing is recommended for the condenser water supply
line.
• Condenser return outlet is 3/8" FPT. A minimum of 3/8"
(10 mm) 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
15 LPM.
• The pressure diff erential between the condenser water
supply inlet and condenser return outlet must be no less
than 0.07MPa (0.7 bar).
• When using a glycol blend, the solution mixture should be
less than 30% glycol.
Fig. 18
KM-590DWJ
Connection to a Closed Loop System
Separate piping to approved drain.
Leave a 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
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" (9.5 mm) OD Hard Tube
Minimum 3/8" (10 mm) Nominal Copper Water Tubing
Vent Tube
Vent Tube
Minimum
3/4" (18 mm)
Nominal Hard
Pipe
Minimum 3/8" (10 mm) 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
• In order to maintain the proper high side pressure, the
condenser water supply inlet temperature should not drop
below 7°C and the condenser return outlet temperature
must be in the 40°C to 46°C range. Once the icemaker
installation is complete, confi rm 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 fl 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).
