Hoshizaki Low-Profile Modular Crescent Cuber MRH User Manual download pdf (Page 21)

(2) Connection to a Closed Loop System

Condenser Water

Supply Inlet

Minimum Condenser

Water Supply Line Size

Condenser

Return Outlet

Minimum Condenser

Return Line Size

1/2" Female Pipe

Thread (FPT)

1/4" Nominal ID Copper

Water Tubing or Equivalent

3/8" Female Pipe

Thread (FPT)

1/4" Nominal ID Copper

Water Tubing or Equivalent

• Shut-off valves and drain valves must be installed at both the condenser water supply inlet

and condenser return outlet.

• Minimum water 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 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, con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 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. 6

Water-Cooled Models

Connection to a Closed Loop System

Model Shown:

KML-451MWH

Icemaker

Icemaker Water

Supply Inlet

1/2" FPT

Bin Drain Outlet

3/4" FPT

2-inch (5-cm) air gap

Floor

Drain

Icemaker

Drain Outlet

3/4" FPT

Vent Tube

Condenser Water

Supply Inlet

1/2" FPT

Condenser

Return Outlet

3/8" FPT

Shut-Off Valve

Minimum 1/4" Nominal ID Copper

Water Tubing or Equivalent

Drain Valve

Ice

Storage

Bin

Minimum 3/4" Nominal ID

Hard Pipe or Equivalent

Separate piping to approved

drain. Leave a 2-inch (5-cm)

vertical air gap between the

end of each pipe and the

drain.

Be sure there is sufficient

extra water supply line and

drain line for the appliance

to be pulled out for service.

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Hoshizaki Low-Profile Modular Crescent Cuber MRH User Manual Page 21

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