Instructions

16
b) Connection to a Closed Loop System
• Condenser water supply inlet is 1/2” female pipe thread (FPT). A minimum of 1/4”
nominal ID copper water tubing or equivalent is required for the condenser water supply
line.
• Condenser return outlet is 1/2” FPT. A minimum of 1/4” nominal ID copper water tubing or
equivalent is required 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.
KMD-410MWH
Connection to a Closed Loop System
Fig. 11
Icemaker Water
Supply Inlet
1/2” FPT
Icemaker Drain
Outlet
3/4” FPT
Icemaker Water Supply Line
Shut-Off Valve
Icemaker Water Supply Line
Drain Valve
Bin Drain Outlet
3/4” FPT
Bin
Icemaker
Condenser Water
Supply Inlet
1/2” FPT
Condenser
Return Outlet
1/2” FPT
Condenser Water Supply Line
Shut-Off Valve
Condenser Water Supply Line
Drain Valve
2-inch
(5-cm)
air gap
Separate piping to approved
drain. Leave a 2-inch (5-cm)
vertical air gap between the
end of each pipe and the drain.
Drain
Floor
Minimum 1/4” Nominal ID
Copper Water Tubing
Minimum 3/4” Nominal ID
Hard Pipe
Vent Tube
Condenser Return Line
Shut-Off Valve
Condenser Return Line
Drain Valve