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MANUAL DEFROST SYSTEM
The Manual hot-gas defrost system may be activated at any time by pressing ‘‘DEFROST’’ switch on front of
Unit. Refrigeration compressor will operate for a short time, then both freeze cylinders will go into defrost and
defrost for approximately 60-seconds. At end of manual defrost cycle, Unit will return to normal operation.
Manual defrost may be cancelled at any time by pressing ‘‘CANCEL DEFROST’’ switch.
AUTOMATIC DEFROST SYSTEM
The automatic hot-gas defrost system may be programmed into Unit to occur up to nine different times a day
with a minimum of two hours between defrost settings. At start of each automatic defrost cycle, refrigeration
compressor will operate for 30-seconds to pump freon out of freeze cylinders evaporator coils. After freon has
been pumped out of freeze cylinders evaporator coils, No. 1 freeze cylinders only will go into defrost cycle and
defrost for approximately 7-minutes, then will return to normal operation. This ends automatic defrost cycle of
No. 1 freeze cylinder. No. 2 freeze cylinder will defrost 30-minutes after the start of No. 1 freeze cylinder. The
next automatic defrost cycle will occur according to time programmed into the Unit. Automatic defrost may be
cancelled at any time by pressing ‘‘CANCEL DEFROST’’ switch.
‘‘SLEEP’’ (SLEEP TIME)
‘‘SLEEP’’ ((SLEEP TIME) may be programmed into Unit to allow Unit to go into sleep time (Unit shut down,
freeze cylinders beaters and refrigeration systems not operating). At start of sleep time, refrigeration
compressor will operate for 30-seconds to pump freon out of freeze cylinders evaporator coils, then No. 1 freeze
cylinder will go into defrost and defrost for 60-seconds. After No. 1 freeze cylinder has defrosted,, No. 2 freeze
cylinder will go into defrost and defrost for 60-seconds. At end of No. 2 freeze cylinder defrost, Unit will shut
down and go into sleep time.
‘‘WAKE UP’’ (WAKE UP TIME)
‘‘WAKE UP’’ (WAKE UP TIME) may be programmed into the Unit to allow Unit to resume normal operation at a
desired time. When programmed wake up time is reached, an alarm will sound for a short duration, then Unit
will resume normal operation.
NOTE: Automatic defrost, sleep time, and wake up time may be used in any combination together or
separately.