Hoshizaki KMD-410MAH Instruction Manual page 19

b) Connection to a Closed Loop System
Condenser Water
Supply Inlet
1/2" Female Pipe
Thread (FPT)
• Shut-off valves and drain valves must be installed at both the condenser water supply
inlet and condenser return outlet.
• Minimum water fl ow to the condenser is 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 must be in the 45°F to 90°F (7°C to 32°C) range.
Condenser
Return Outlet
1/2" FPT
Condenser Water
Supply Inlet
1/2" FPT
Icemaker Drain
Outlet
3/4" FPT
Bin Drain Outlet
3/4" FPT
Minimum 3/4" Nominal ID
Hard Pipe
KMD-410MWH
Connection to a Closed Loop System
Fig. 11
Minimum Condenser
Water Supply Line Size
1/4" Nominal ID Copper
Water Tubing or Equivalent
Icemaker Water
Supply Inlet
1/2" FPT
Icemaker
Bin
Condenser
Return Outlet
1/2" Female Pipe
Thread (FPT)
Minimum 1/4" Nominal ID
Copper Water Tubing
Icemaker Water Supply Line
Shut-Off Valve
Condenser Return Line
Shut-Off Valve
Condenser Water Supply Line
Shut-Off Valve
Icemaker Water Supply Line
Drain Valve
Condenser Return Line
Drain Valve
Condenser Water Supply Line
Drain Valve
Vent Tube
Floor
Drain
18
Minimum Condenser
Return Line Size
1/4" Nominal ID Copper
Water Tubing or Equivalent
Be sure there is suffi cient extra
water supply line and drain line
for the appliance to be pulled
out for service.
Separate piping to approved
2-inch
drain. Leave a 2-inch (5-cm)
(5-cm)
vertical air gap between the
air gap
end of each pipe and the drain.