Sequence Of Operations Freezer - Beverage-Air FB Series Installation And Operating Instructions Manual

User Manual for FB Freezers

SEQUENCE OF OPERATIONS FREEZER

The freezer operates based on the air temperature measured by the probe located at the return air.
ON
COMPONENT OPERATION
Compressor turns
on when the air
temperature at the
COMPRESSOR
probe is above the
sum of the set point
+ 2.5
The Condenser
Fan turns on when
CONDENSER FAN
the Compressor is
running
The Evaporator
Fan turns on when
EVAPORATOR
the Compressor is
FAN
running and the
doors are closed.
The Defrost Heater
will activate
on cumulative
DEFROST HEATER Compressor runtime
of 6 hours, and when
temperature drops
too low
The Face & Door
Heaters turn
FACE/DOOR
on when the
HEATERS
Compressor is
running
The light will turn on
when the
LIGHT pressed (or when the
door is opened with
solid doors)
Rev. 07/22
CONTROLLER
ACTION
The Compressor Contact
is energized
(ERC 112 - Terminal #1)
The Condenser Fan is
wired directly to the
Compressor, not through
the controller
The Evaporator Fan is
wired to the Fan Contact
(ERC 112 - Terminal #5)
The Defrost Heater
Contact is energized
(ERC 112 - Terminal
The Door/Face Heater
are wired to the
Compressor Contact
(ERC 112 - Terminal
The Light Contact is
energized
is
(ERC 112 – Terminal #4)
Beverage-Air
OFF
OPERATION
Compressor turns
off when the air
temperature at
probe is equal to
or less than the set
point – 2.5
The Condenser Fan
turns off when the
Compressor is not
running
The Evaporator Fan
turns off when the
Compressor is not
running, and when
door is opened
while Compressor is
running
When either the
defrost is not
scheduled or the
temperature at
defrost probe
has reached the
#6)
defrost termination
temperature.
The Face & Door
Heaters turn
off when the
Compressor is not
#1)
running
The light will turn
off when the
is pressed (or when
the door is closed
with solid doors)
Beverage-Air
CONTROLLER
ACTION
The Compressor Contact
is de-energized
(ERC 112 - Terminal #1)
The Condenser Fan is
wired directly to the
Compressor, not through
the controller
The Evaporator Fan is
wired to the Fan Contact
(ERC 112 - Terminal #5)
The Defrost Heater
Contact is de-energized
(ERC 112 - Terminal #6)
The Door/Face Heater
are wired to the
Compressor Contact
(ERC 112 - Terminal #1)
The Light Contact is de-
energized
(ERC 112 – Terminal #4)
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