Scotsman BC0530 Service Manual page 17

BC0530 Service Manual
Water Plate Springs: Function as the connection
between the cam arms and the water plate. They
also act as a safety mechanism, stretching if any ice
remains on the water plate surface as it is closing
against the evaporator.
Drain Pan: Provided to catch the dreg water at the
end of the ice making / cleaning and sanitizing cycles
and directs it to the drain.
Ice Deflectors-Front and Rear: Provided to direct
the falling ice to the storage bin.
Controller: Controls the ice machine utilizing
multiple sensors, provides power directly to many
of the ice machine components. Through solid-state
relays, outputs and indirectly to the compressor and
condenser fan motor, if so equipped by operation of
the Contactor. The controller also provides status
indication of the ice machine and components as well
as diagnostics for service personnel.
On-Off Switch: The "On" position provides power to
the controller to operate the ice machine. The "Off"
position interrupts power to the controller to shut down
the ice machine.
Warning: Switching the machine "off" does not de-
energize circuits, disconnect power before servicing.
Ice-Clean Switch: The "Ice" position signals the
controller to provide full operation of the ice machine.
Electrical Shock Hazard
Disconnect electrical
power before beginning
The "Clean" position signals the controller to
exclude operation of the contactor and thereby the
compressor and condenser fan motor if so equipped
This position is useful for cleaning the ice machine
and for test procedures where operation of the
compressor is not required or desired.
Ice Level Probe: Senses when the ice bin is
full- Contact between this probe and the ice in the
storage bin will signal the controller to shut off the ice
machine. When ice is removed from the probe, the
ice machine will restart.
Adjustment: While holding ice against the probe tube,
turn the adjustment knob on the controller to shut off
the ice machine within one minute. A warmer (CCW
right side blue knob) adjustment will shut off the ice
machine sooner. A colder (CW) adjustment will delay
shut off.
Evaporator Temperature Probe: Senses the
temperature of the evaporator. During the defrost
cycle, the evaporator must warm sufficiently to
release the ice. This probe signals the controller to
terminate the defrost cycle, after the ice has fallen out
of the evaporator, and start the next ice making cycle.
Note: A secondary function of this probe is to signal
the controller to shut off the ice machine if the
evaporator should overheat.
Adjustment: Turn the adjustment knob on the
controller warmer (CCW left side blue Knob), only if
the defrost time is insufficient to drop all the ice from
the evaporator, before the water plate begins to close.
The defrost time should be increased no more than
is required to ensure all the ice has fallen from the
evaporator.
March 2020
Page 17