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3120300027
DEFROST SYSTEMS
NOTE: The automatic defrost, “SLEEP” (SLEEP TIME), and “WAKE UP” (WAKE UP TIME) should be
programmed into the Unit electronics by a qualified Service Person.
UNITS EQUIPPED WITH HOT-GAS DEFROST SYSTEMS
The Unit is equipped with both manual and automatic hot-gas defrost systems. The automatic defrost system
may be programmed into the Unit to occur up to nine different times a day with a minimum of two hours be-
tween defrost time settings or the system may be completely turned off.
Manual Hot-Gas Defrost System.
On the Two-Flavor Unit, the manual hot-gas defrost system may be activated at any time by pressing the
‘‘MANUAL DEFROST’’ switch on front of the Unit. The refrigeration compressor will operate for a short time,
then both freeze cylinders will go into defrost and defrost for approximately 60-seconds. On the Four-Flavor
Unit, The manual hot-gas defrost system may be activated at any time by pressing the “MANUAL DEFROST”
switch on front of the Unit. The refrigeration compressor will operate for a short time, then both No. 1 and No.11
or No. 2 and No. 22 (depending upon which “MANUAL DEFROST” switch was pressed) freeze cylinder only will
go into defrost and defrost for 60-seconds.
At the end of the manual defrost cycle, the Unit will return to normal operation. The manual defrost may be can-
celled at any time by pressing the “CANCEL DEFROST” switch.
Automatic Hot-Gas Defrost System.
NOTE: The following paragraph describes the Automatic Hot-Gas Defrost system operation for the
Two-Flavor FCB Dispenser No. 1 and No. 2 freeze cylinders. This paragraph also describes the Auto-
matic Hot-Gas Defrost system operation for the Four-Flavor FCB Dispenser No. 11 and No. 22 freeze
cylinders, which is identical to the No. 1 and No. 2 freeze cylinders.
The automatic hot-gas defrost system may be programmed into the Unit to occur up to nine different times a
day with a minimum of 2-hours between defrost settings. At the start of each automatic defrost cycle, the refrig-
eration compressor will operate for 30-seconds to pump freon out of the freeze cylinders evaporator coils. After
freon has been pumped out of the freeze cylinders evaporator coils, No. 1 freeze cylinder only will go into de-
frost cycle and defrost for approximately 7-minutes, then will return to normal operation. This ends the automat-
ic 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 the time programmed into the Unit. The automatic de-
frost may be cancelled at any time by pressing the ‘‘CANCEL DEFROST’’ switch.
UNITS EQUIPPED WITH ELECTRIC DEFROST SYSTEMS
The Two-Flavor Overcounter (requiring remote condensing refrigeration) Unit is equipped with both manual and
automatic electric defrost systems. The automatic defrost system may be programmed into the Unit to occur up
to nine different times a day with a minimum of two hours between defrost time settings or the system may be
completely turned off.
Manual Electric Defrost System.
The manual electric defrost system may be activated at any time by pressing the “DEFROST” switch on front of
the Unit. The refrigeration compressor will operate for a short time, then both freeze cylinders will go into defrost
and defrost for approximately 15-minutes. At end of the manual electric defrost cycle, the Unit will return to nor-
mal operation. The manual electric defrost may be cancelled at any time by pressing the “CANCEL DEFROST”
switch.