Sequence Of Operations Refrigerator - Beverage-Air BB Series Installation And Operating Instructions Manual

User Manual for BB Refrigerators

SEQUENCE OF OPERATIONS REFRIGERATOR

The refrigerator 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
The Condenser Fan
turns on when
CONDENSER FAN
the Compressor is
running
The Evaporator Fan
runs continuously in
EVAPORATOR refrigerators. When
FAN the unit is plugged
in, the Evaporator
Fan will run.
The light will turn on
when the
LIGHT pressed (or when the
door is opened with
solid doors)
Condition
Cabinet Temp > Set point + 2
Cabinet Temperature <= Set point - 2
Defrost
16
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
connected directly to
incoming power, not
through the controller.
The Light Contact is
is energized
(ERC 112 – Terminal
#4)
ON
OFF
OFF
Beverage-Air
OFF
OPERATION
Compressor turns
off when the air
temperature at probe is
equal to or less than the
set point -2
The Condenser Fan
turns off when the
Compressor is not
running
The Evaporator Fan runs
continuously. When the
unit is plugged in, The
Evaporator Fan will run.
The light will turn off
when the is
pressed (or when the
door is closed with solid
doors)
ON ON ON or OFF
OFF ON ON or OFF
OFF ON ON or OFF
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
connected directly to
incoming power, not
through the controller.
The Light Contact is
de-energized
(ERC 112 – Terminal
#4)
Rev. 06/20