Manitowoc Q170 Spezifikationen PDF herunterladen (Seite 9)

Section 2 Installation Instructions

Part Number 040002380 9/12 9

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.

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.

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 bin drain to the atmosphere. 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).

Water Supply and Drain Line Sizing/Connections

Warning

PERSONAL INJURY POTENTIAL

For ice making, connect to a potable water supply

only.

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.

Location Water

Temperature

Water

Pressure

Ice Machine

Fitting

Tubing Size Up to Ice

Machine Fitting

Ice Making

Water Inlet

40°F (4°C) Min.

90°F (32°C) Max.

20 psi (137.9 kPA) Min.

80 psi (551.5 kPA) Max.

3/8" Female Pipe

Thread

3/8" (9.5 mm) minimum

inside diameter

Condenser Water

Inlet

40°F (4°C) Min.

90°F (32°C) Max.

20 psi (137.9 kPA) Min.

150 psi (1034.2 kPA) Max.

3/8" Female Pipe

Thread

Q270 Only

1/2" Female Pipe

Thread

3/8" (9.5 mm) minimum

inside diameter

Q270 Only

1/2" (12.7 mm)

minimum inside diameter

Condenser Water

Drain

--- --- 1/2" Female Pipe

Thread

1/2" (12.7 mm) minimum

inside diameter

Bin Drain

--- --- 1/2" Female Pipe

Thread

1/2"” (12.7 mm) minimum

inside diameter

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 49 50

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