32 Part Number 80-1230-9 10/10
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 in. (3.8 cm) drop per 5
ft. 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 bin drain to the atmosphere. Do not vent
the condenser drain on water-cooled models.
• Drains must have a union or other suitable means
to allow a place of disconnection from the ice
machine when servicing is required.
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,
(refer to page 25) 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 gal. (19 L) 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).
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