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PRODUCT ....
OPERATION
Figure 18
ICE PRODUCTION
ALL MODELS
The level of ice in the ice containers
is controlled by an ice level arm.
When the containers are filled with
ice the ice level arm senses the
level and shuts down the icemaker.
As ice is used, the level drops and
the level arm signals the icemaker
to restore ice production.
These icemakers are designed
to produce an adequate
supply of ice for normal family
consumption. The length of time
between ice harvest cycles will
vary depending on load condi-
tions, door openings and ambient
room temperatures. On the
average, you can expect a harvest
of ice every 2 hours.
If ice is not used regularly it will
tend to fuse together. Te..avoidthis,
empty the ice container'periodically.
AUTOMATIC
DEFROST
For your convenience your Sub-
Zero unit is equipped with an auto-
matic defrost system. The
refrigerator section will defrost
during each off cycle of the refrig-
erator. The freezer section iscon-
trolled by a timer which defrosts as
needed.
MASTER POWER
SWITCH
MODEL 590
The Model 590 features a Master
Power Switch. This switch, which is
located behind the top grille, will
turn off all electrical power to the
equipment. See Figure 19. This
eliminates having to shut power off
at the circuit breaker or having to
pull the power plug from the wall
receptacle. This switch can be
used for either shutting down the
equipment for servicing or during
extended vacations.
Inorder to access this switch, the
front inner grille panel assembly
must be first removed (refer to
panellized grille removal instruc-
tions on Page 14, Figure 23).
Figure 19
SOUNDS
Certain noises may be evident with
the normal operation of the unit.
Surrounding acoustics like walls,
floors and cabinets may affect the
sound level of your unit.
A gurgling sound or running water
sound may be evident as the refri-
gerant circulates through the
tubing.
In Model 590, the ice dispenser
valve within the refrigerator door
snaps closed 5 seconds after
either the water or ice dispenser
switch is released.
During the icemaker cycle you may
hear the sound of ice dropping into
the container or of the solenoid
valve while refilling the icemaker
with water.
During the freezer defrost you may
hear crackling and/or sizzling as
the heat from the defrost element
clears the frost from the freezer coil
and water runs into the defrost
water pan.
While the compressors are in
operation a slight hum may be
evident. During the startup and
shutdown of the compressor,
some vibration may occur lasting .
only a few seconds.
.o
MAINTENANCE AND
CLEANING
IACAUTION J
We recommend for main-
tenance and cleaning, that the
circuit breaker or master power
switch if applicable to the re-
frigerator be shut off and pro-
tective gloves (when cleaning
the condenser) be worn.
CONDENSER:To insurepro_e r
performance, the cleaning ofyour
unit's condenser is required.This
should be performed every 3 to6
months under normal use. To
clean, remove grille. See page 14.
13
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