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G. Water Supply and Drain Connections
See Fig. 9
To prevent damage to equipment, do not operate the icemaker when the water
supply is off, or if the pressure is below 10 PSIG (0.07 MPa). Do not run the
icemaker until the proper water pressure is reached.
• Water supply and drain connections must be installed in accordance with applicable
national, state, and local regulations.
• A plumbing permit and services of a licensed plumber may be required in some areas.
• External filters, strainers, or softeners may be required depending on water quality.
Contact your local Hoshizaki distributor for recommendations.
• Water supply inlet is 1/" female pipe thread (FPT).
• A water supply line shut-off valve and drain valve should be installed. A minimum of
3/8" OD copper tubing is recommended for the water supply line.
• Water supply pressure should be a minimum of 10 PSIG (0.07 MPa) and a maximum
of 113 PSIG (0.78 MPa). If the pressure exceeds 113 PSIG (0.78 MPa), the use of a
pressure reducing valve is required.
• The minimum recommended drain line is 3/4" OD hard pipe.
• Icemaker drain outlet is 3/4" FPT. Condensation drain outlet is a 3/8" OD stainless tube.
The icemaker and condensation drain line(s) must be run separately from the storage bin
drain line.
• Drain lines must have 1/4" fall per foot ( cm per 1 m) on horizontal runs to get a good
flow. A vented tee connection is also required for proper flow.
• Drain lines should not be piped directly to the sewer system. An air gap of a minimum of
vertical inches (5 cm) should be between the end of the drain pipes from the icemaker,
the condensation drain, and the storage bin and the floor drain.
CAUTION
15
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