Manitowoc NEo UD0140A Manuel D'installation, D'utilisation Et D'entretien page 12

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Installation Instructions
Water Service/Drains
WATER SUPPLY
Local water conditions may require treatment of the
water to inhibit scale formation, filter sediment, remove
chlorine, and improve taste and clarity.
! Caution
Plumbing must conform to state and local codes.
Important
If you are installing a Manitowoc water filter
system, refer to the Installation Instructions
supplied with the filter system for ice making water
inlet connections.
!
For ice making, connect to a potable water supply
only.
WATER INLET LINES
Follow these guidelines to install water inlet lines:
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 
(80 psig-551.5 kPA) recommended pressure, obtain
a water pressure regulator from your Manitowoc
distributor.
Install a water shut-off valve and union for both the
ice making and condenser water lines.
Insulate water inlet lines to prevent condensation.
10
Warning
DRAIN CONNECTIONS
Follow these guidelines when installing drain lines to
prevent drain water from flowing back into the ice
machine and storage bin:
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 water-cooled condenser drain
lines. Insulate them to prevent condensation.
Vent the ice machine drain. Do not vent the
condenser drain on water-cooled models.
COOLING TOWER APPLICATIONS
(Water-Cooled Models)
A water cooling tower installation does not require
modification of the ice machine. The water regulator
valve for the condenser continues to control the
refrigeration discharge pressure.
It is necessary to know the amount of heat rejection and
the pressure drop through the condenser and water
valves (inlet and outlet) when using a cooling tower on
an ice machine.
Water entering the condenser must not exceed 90F
(32C).
Water flow through the condenser must not exceed 5
gallons (19 liters) per minute.
Allow for a pressure drop of 7 psi (48 kPA) between
the condenser water inlet and the outlet of the ice
machine.
Water exiting the condenser must not exceed 110F
(43C).
Important
The Commonwealth of Massachusetts requires
that all water-cooled models must be connected
only to a closed loop, cooling tower system.
Section 2
Part Number 040002909 5/13

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