Manitowoc SN12 Specifications download pdf (Page 10)

Installation Instructions Section 2

2-2

Part Number 000005544 12/09

Electrical Service

VOLTAGE

The maximum allowable voltage variation is ±10% of the

rated voltage on the ice machine model/serial number

plate at start-up (when the electrical load is highest).

FUSE/CIRCUIT BREAKER

A separate fuse/circuit breaker must be provided for

each ice machine. Circuit breakers must be H.A.C.R.

rated (does not apply in Canada).

115/60/1 ice machines are factory pre-wired with a

power cord and 5-15P plug.

230/50/1 ice machines are factory pre-wired with a

power cord, no plug is supplied.

TOTAL CIRCUIT AMPACITY

The total circuit ampacity is used to help select the wire

size of the electrical supply.

The wire size (or gauge) is also dependent upon

location, materials used, length of run, etc., so it must be

determined by a qualified electrician.

Electrical Requirements

Water Supply and Drains

POTABLE WATER SUPPLY

Local water conditions may require treatment of the

water to inhibit scale formation, filter sediment, and

remove chlorine odor and taste.

POTABLE 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 the ice

making water lines.

• Insulate water inlet lines to prevent condensation.

DRAIN CONNECTIONS

Follow these guidelines when installing drain lines:

• 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.

• Insulate drain lines to prevent condensation.

• Drains must have a union or other suitable means to

allow in place disconnection from the ice machine

when servicing is required.

Warning

All wiring must conform to local, state and national

codes.

Warning

The ice machine must be grounded in accordance

with national and local electrical codes.

Ice Machine

Voltage

Phase

Cycle

Air-Cooled

Maximum

Fuse/Circuit

Breaker

Total

Circuit

Amps

SN12

115/1/60 15 10.3

230/1/50 15 4.6

SN20

115/1/60 15 10.3

230/1/50 15 6.0

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.

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Manitowoc SN12 Specifications Page 10

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