Scotsman MXG 327, Service Manual

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Page 10
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D. ELECTRICAL CONNECTIONS
See data plate for current requirements to
determine wire size to be used for electrical
connections. All SCOTSMAN icemakers require
a solid earth wire.
All SCOTSMAN ice machines are supplied from
the factory completely pre-wired and require only
electrical power connections to the wire cord
provided at the rear of the unit. Make sure that the
ice machine is connected to its own circuit and
individually fused (see data plate for fuse size).
The maximum allowable voltage variation should
not exceed -10% and +10% of the data plate
rating. Low voltage can cause faulty functioning
and may be responsible for serious damage to
the overload switch and motor windings.
NOTE. All external wiring should conform to
national, state and local standards and
regulations.
Check voltage on the line and the ice maker’s
data plate before connecting the unit.
E. WATER SUPPLY AND DRAIN
CONNECTIONS
General
When choosing the water supply for the ice
modular cuber consideration should be given to:
a) Length of run
b) Water clarity and purity
c) Adequate water supply pressure
Since water is the most important single ingredient
in producting ice you cannot emphasize too
much the three items listed above.
Low water pressure, below 1 bar may cause
malfunction of the ice maker unit.
Water containing excessive minerals will tend to
produce cloudy coloured ice cubes, plus scale
build-up on parts of the water system.
Water supply
Connect the 3/4" GAS male fitting of the solenoid
water inlet valve, using flexible tubing or a 3/8"
O.D. copper pipe, to the cold water supply line
with regular plumbing fitting and a shut-off valve
installed in an accessible position between the
water supply line and the unit.
Water supply - Water cooled models
The water cooled versions of SCOTSMAN Ice
Makers require two separate inlet water supplies,
one for the water sprayed for making the ice
cubes and the other for the water cooled
condenser.
Connect the 3/4" GAS male fitting of the water
inlet, using the flexible tubing or a 3/8" O.D.
copper pipe, to the cold water supply line with
regular plumbing fitting and a shut-off valve
installed in an accessible position between the
water supply line and the unit.
3. Inspect the Storage Bin top mounting gasket
which should be flat with no wrinkles, to provide
a good sealing when the Modular Cuber is
installed on top of it.
4. Place the Modular Cuber on top of
Storage bin using care not to wrinkle or tear
the gasket.
5. Lift a little bit the Modular Cuber right side in
order to be able to mount the ice level control
bracket taking care to align the hole located on
unit base to mate with the one on the top of the
Bin.
6. Remove the PVC plastic plug closing the
round hole located on the side of the ice chute
opening.
7. Trace the ice level control assy, secured for
the transport of the Modular Cuber, and direct it
down through the round hole into the Storage
Bin.
8. Fasten the ice level control assy on its
bracket by means of the two screws found in the
hardware package supplied with the unit.
9. Make a cut (shear) in the PVC plastic plug
that goes from its edge to the center; insert the
ice level control cable in the center of the plastic
plug so to prevent it from any sort of contact with
the unit frame, then place again the PVC plug in
the round hole keeping the cable exceeding
portion inside the unit.
10. Place ice level sensor and related bracket
as per below figure.
11. Secure the Modular Cuber on the top of the
Storage Bin using the two bolts and diber washer
found in the hardware package supplied with the
unit.