Section 2 Installation
Part Number 000007924 5/14 17
Water Supply and Drains
POTABLE WATER REQUIREMENTS
Local water conditions may require treatment of the
water to inhibit scale formation, filter sediment, and
remove chlorine odor and taste.
Follow these guidelines to install water inlet lines:
• Plumbing must conform to local codes.
• Do not connect the ice machine to a hot water
supply. Be sure all hot water restrictors installed for
other equipment are working. (Check valves on sink
faucets, dishwashers, etc.)
• If water pressure exceeds the maximum
recommended pressure of 80 psig (552 kPa), obtain
a water pressure regulator from your Manitowoc
distributor.
• Install a water shut-off valve and union for potable
water and water cooled condenser lines.
• Insulate water inlet lines to prevent condensation.
DRAIN CONNECTIONS
• Drain lines must have a 1.5 inch drop per 5 feet of
run (2.5 cm per meter), and must not create traps.
• The floor drain must be large enough to
accommodate drainage from all drains.
• Run separate bin and ice machine drain lines.
Insulate them to prevent condensation.
• Vent the bin and ice machine drain to the
atmosphere. The ice machine drain requires an 18"
vent. Do not vent the condenser drain on water-
cooled models.
• Drains must have a union or other suitable means to
allow in place disconnection from the ice machine
when servicing is required.
• Base drain - Use 1/2" CPVC tubing and silicone
sealant to connect to this optional drain.
WATER SUPPLY AND DRAIN LINE SIZING/CONNECTIONS
Connect to a potable water supply only.
Plumbing must conform to local and national codes.
Do not apply heat to the water inlet fitting. Heat will
damage the plastic water inlet connection inside the
ice machine.
Location Water Temperature
Water Pressure
Min/Max
Ice Machine Fitting
Minimum Tubing Size Up to
Ice Machine Fitting
Ice Making
Water Inlet
35°F (2°C) Min.
90°F (32°C) Max.
20 / 80 psi
140 / 550 kPa
3/8" FPT 3/8" (10 mm) ID
Ice Making
Water Drain
---- ---- 1/2" FPT 1/2" (13 mm) ID
Bin Drain ---- ---- 3/4" FPT 3/4" (19 mm) ID
Large Capacity
Bin Drain
---- ---- 1" FPT 1" (25 mm) ID
FPT = Female Pipe thread ID = Inside Diameter Min = Minimum Max= Maximum
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