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E
2-4
LECTRICAL
During merchandiser startup, place a temperature
probe at the center of the discharge honey-
comb or use a thermometer to ensure the
merchandiser reaches the proper discharge air
temperature.
Do not load merchandiser with product until
merchandiser reaches proper discharge air
temperature.
COMPRESSOR
Refer to the compressor's installation manual,
which is attached to the compressor. Read and
follow all installation procedures. Remove
manual, and keep for future reference.
WARNING
!
Product will be degraded and may spoil if
allowed to sit in a non-refrigerated area.
P/N 0518279_A
/ R
EFRIGERATION
U.S. & Canada 1-800-922-1919 • Mexico 1-800-522-1900 • www.hussmann.com
DEFROST TIME CLOCK OPERATION
These merchandisers require defrost cycles
for proper operation. Refer to the data
sheets for application data. Defrosts are
time-initiated and pressure terminated. The
timer senses evaporator pressure, and terminates
defrost when the evaporator coil is free of frost.
The defrost timer duration is factory set.
All that is required is to set the timer to the
correct time of day. The evaporator fans
continue to circulate air across the evaporator
coil, melting any frost build-up. Defrosts must
be terminated by the pressure setting, not by
time, to ensure a thorough defrost. It may be
necessary to increase the failsafe time in high
ambient conditions.
To adjust the defrost clock to the current time
of day turn the knob until the appropriate time
on the wheel lines up with the time arrow.
NOTE: Moving the defrost start time screw to
a different location on the defrost wheel
changes the start time of defrost. The pressure
range settings determine the pressure in which
defrost is terminated.
WASTE OUTLET AND WATER SEAL
The factory installed waste outlet is located in
front of the fan plenum. Drainage water will
empty from the waste outlet into the evaporator
pan.
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