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Initial start up, Mcm1062r – Scotsman MCM1062R User Manual

Page 12

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INITIAL START UP

Remote Condenser:

1. Check that all connections have been made.

Ice Maker:

1. Remove front panel by pulling out to unsnap.

2. Remove two screws and the control box cover.

3. Remove the evaporator cover.

4. Remove the left side service panel.

5. Check that the ON/WASH/OFF rocker switch
and the Compressor ON-OFF toggle switch are in
the OFF position, on the control box.

6. Locate and open the king (service) valve on the
receiver. Check that the crankcase heater has
been on long enough to warm the compressor
dome (about 12 hours).

7. OPEN the water supply line shut off valve.

8. Inside the control box is the shaft of the timer
and the switch assembly. Rotate the shaft of the
timer and switch assembly clockwise to where the
actuator arm on the microswitch drops off outer
cam into cam slot. See Timer Cam Positions.

8. Move the ON/WASH/OFF rocker switch to the
ON position.

9. Observe water fill cycle: The water inlet
solenoid valve OPENS,and water flows from the
valve to the reservoir. The reservoir fills and
excess water drains out the machine drain. At the
end of the harvest cycle, the water inlet solenoid
valve will close and the water fill cycle is complete.
If the reservoir is not full, advance the shaft of the
timer clockwise into a new harvest cycle; this
opens the water valve again. The water pump will
be pumping water over the evaporators.

10. Check that the water cascades down over
each cube mold and into the reservoir.

11. When the reservoir is full, move the
compressor ON-OFF toggle switch, to the ON
position.

12. Check operation of the freezing cycle: Ice
begins to form from the top of the evaporator
down. Freezing time will range between 13 and 15
minutes. Longer time for temperatures above 70
degrees F. and shorter time required when
temperatures are below 70-degrees F. Average
complete cycle time is about 16 minutes.

13. Check CUBE SIZE

The dimensions of the cubes are fixed by the size
and shape of the molds on the evaporator plate,
except that the thickness of the cube MAY need to
be adjusted at start up. There is only one size of
cube that is correct; adjusting the cube size control
to that size of cube will allow the ice maker to
produce ice at its most efficient size. The correct
size cubes will appear similar to the illustration for
“Correct Size Cube”.

TIMER CAM POSITIONS

MICROSWITCH

ACTUATOR

CAM &

SHAFT

HARVEST

PORTION

FREEZE

PORTION

“KING”

VALVE

ON/WASH/OFF

SWITCH

EVAPORATOR

COVER

MCM1062R

October 1993

Page 12

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