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Section 2 Installation Instructions
Part Number 000006520 Rev 03 12/19 7
Electrical Service
VOLTAGE
The maximum allowable voltage variation is ±10% of the
rated voltage at ice machine start-up (when the electrical
load is highest).
All electrical work, including wire routing and grounding,
must conform to local, state and national electrical
codes. The following precautions must be observed:
• The ice machine must be grounded.
• A separate fuse/circuit breaker must be provided for
each ice machine.
• A qualified electrician must determine proper wire
size dependent upon location, materials used and
length of run (minimum circuit ampacity can be used
to help select the wire size).
• The maximum allowable voltage variation is +/-10 of
the rated voltage at ice machine start-up (when the
electrical load is highest).
• Check all green ground screws in the control box and
verify they are tight before starting the ice machine.
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).
MINIMUM CIRCUIT AMPACITY
The minimum circuit ampacity is used to help select the
wire size of the electrical supply. (Minimum circuit
ampacity is not the ice machine’s running amp load.)
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
Refer to Ice Machine Model/Serial Plate for voltage/
amperage specifications.
GROUND FAULT CIRCUIT INTERRUPTER
Ground Fault Circuit Interrupter (GFCI/GFI) protection is
a system that shuts down the electric circuit (opens it)
when it senses an unexpected loss of power,
presumably to ground. Manitowoc Ice does not
recommend the use of a GFCI/GFI circuit protection with
our equipment. If code requires the use of a GFCI/GFI
then you must follow the local code. The circuit must be
dedicated, sized properly and there must be a panel
GFCI/GFI breaker. We do not recommend GFCI/GFI
outlets as they are known for more intermittent nuisance
trips than panel breakers.
MINIMUM POWER CORD SPECIFICATIONS
If a power cord is used, the wire size to the receptacle is
dependent upon location, materials used, length of run,
etc., so it must be determined by a qualified electrician.
Local, state or national requirements will supersede our
minimum requirements.
!
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.
Important
Observe correct polarity of incoming line voltage.
Incorrect polarity can lead to erratic ice machine
operation.
Maximum
Breaker Size
Minimum
Wire Size
Maximum Length of
Power Cord
15 amp 14 gauge 6 feet (1.83 m)
20 amp 12 gauge 6 feet (1.83 m)
30 amp 10 gauge 6 feet (1.83 m)
40 amp 8 gauge 6 feet (1.83 m)
FOR UNITED KINGDOM ONLY
As the colors of the wires in the mains lead of the appliance may not
correspond with the colored markings identifying the terminals in your plug,
proceed as follows:
• The wire which is colored
green and yellow must be connected to the
terminal in the plug which is marked with the letter E or by the earth
ground symbol or colored green or green and yellow.
• The wire colored
blue must be connected to the terminal which is marked
with the letter N or colored black.
• The wire colored
brown must be connected to the terminal which is
marked with the letter L or colored red.
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