MFI Series | For the Plumber |
Water Inlet:
●Air Cooled Models: The recommended water supply is clean, cold water. Use 3/8 inch O.D. copper tubing, connect to the 3/8 inch male flare at the back of the cabinet. Install a hand valve near the machine to control the water supply.
●Water Cooled Models: A separate 3/8 inch O.D. copper line is recommended, with a separate hand valve to control it. Connect to the 3/8 inch FPT condenser inlet at the back of the cabinet. The water pressure to all lines must always be above 20 psig, and below 80 psig.
●Water Treatment: In most areas, a water filter of some type will be useful. In areas where the water is highly concentrated with minerals, the water should be tested by a water treatment specialist, and the recommendations of the specialist regarding filtration and/or treatment should be followed.
Drains:
●Air Cooled Models: Connect a rigid drain tube to the ¾ FPT drain fitting at the back of the cabinet. The drain is a gravity type, and a ¼ inch per foot fall is the minimum acceptable pitch for the drain. There should be a vent at the highest point of the drain line, and the ideal drain receptacle would be a trapped and vented floor drain. Use only ¾ inch rigid tubing.
●Water Cooled Models: Connect a separate drain line to the ½ inch condenser drain connection at the back of the cabinet. Do not vent this drain.
●Storage Bin: Connect a separate gravity type drain line to the ice storage bin drain. Vent this drain if there is a long horizontal run from the bin to the floor drain. Insulation of this drain line is recommended.
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| Condenser Inlet |
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| Water Filter |
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| Water Filter |
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| Vented Drain |
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Vented Drain
Hand Valve
Hand Valve
Condenser Drain
Water In
Vented Drain |
| Vented Drain |
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Condenser Inlet
Water Inlet
Water In
Condenser Drain 
Bin Drain
Bin Drain
Floor Drain
Page 6
