User Manual for PF Freezers Beverage-Air
Rev. 12/20 Beverage-Air 13
ON OFF
COMPONENT OPERATION CONTROLLER ACTION OPERATION CONTROLLER ACTION
COMPRESSOR Compressor turns
on when the cabinet
temperature is above
the sum of the set
point and the dead
band
The Compressor
Contact is energized
Compressor turns
o when the cabinet
temperature is equal
to or less than the set
point
The Compressor
Contact is de-
energized
RTN400 terminals
10, 11
(New974 - Terminal
#4)
CONDENSER FAN The Condenser Fan
turns on when the
Compressor is running
The Condenser Fan
is wired to the light
relay on control
The Condenser Fan
turns o when the
Compressor is not
running
The Condenser Fan
is wired to the light
relay on control
RTN400 terminals
10, 11
RTN400 terminals
10, 11
EVAPORATOR FAN The Evaporator
Fan runs when the
compressor is on.
The Evaporator Fan is
connected to control
relay.
The Evaporator
Fan runs when the
compressor is on
The Evaporator Fan is
connected to control
relay.
RTN400 terminals
10, 11
RTN400 terminals
10, 11
LIGHT The light will turn
on when the door is
open or door button is
pressed (LSR/F light
switch behind bottom
grill)
The Light Contact is
energized
The light will turn
o when the door is
closed or the door
button is pressed
The Light Contact is
de-energized
RTN400 terminals
13,14
RTN400 terminals
13,14
FACE HEATER Face heater is on
when condensing unit
is on
Heater is wired with
condensing unit power
Face heater is o
when condensing unit
is o
Heater is wired with
condensing unit power
Condition Compressor Condenser Fan Evaporator Fan Lights
Cabinet Temp > Set point + Dead band ON ON ON ON or OFF
Cabinet Temperature <= Set point OFF OFF OFF ON or OFF
Defrost OFF OFF OFF ON or OFF
SEQUENCE OF OPERATIONS
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