Victory FSA - Sequence of Operations

User Manual for FSA Freezers Victory
Rev. 10/20Victory12
Condition Compressor Condenser
Fan
Evaporator
Fan
Defrost
Heater
Face/Door
Heater
Drain Lights
Cabinet Temp > Set point + Dead band ON ON ON OFF ON ON ON or OFF
Cabinet Temperature <= Set point OFF OFF ON OFF OFF ON ON or OFF
Defrost OFF OFF OFF ON OFF ON ON or OFF
SEQUENCE OF OPERATIONS
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
RTN400 terminals
10, 11
CONDENSER FAN The Condenser Fan
turns on when the
Compressor is running
The Condenser Fan
is wired directly to
the Compressor, not
through the controller
The Condenser Fan
turns o when the
Compressor is not
running
The Condenser Fan
is wired directly to
the Compressor, not
through the controller
EVAPORATOR FAN The Evaporator
Fan runs when
the evaporator
temperature is below
35°F and the door is
closed
The Evaporator Fan is
connected to control
relay.
The Evaporator
Fan is o when
the evaporator
temperature is above
35°F or the door is
opened
The Evaporator Fan is
connected to control
relay.
RTN400 terminals 4, 5 RTN400 terminals 4, 5
DEFROST HEATER The Defrost Heater
is on at least once
every 8 hours or if the
evaporator is -35°F or
below
The Defrost Heater
Contact is energized
When either the
defrost is not
scheduled or the
coil has reached the
defrost termination
temperature (37°F)
The Defrost Heater
Contact is de-
energized
RTN400 terminals 7, 9 RTN400 terminals 7, 9
FACE/DOOR HEATERS The Face/Door
Heaters turn on when
the Compressor is
running
The Compressor
Contact is energized
The Face/Door
Heaters turn o when
the Compressor is not
running
The Face/Door Heater
are wired to the
Compressor Contact
RTN400 terminals
10, 11
RTN400 terminals
10, 11
LIGHT The light will turn on
when the door is open
(solid door
models only) or
light button is
pressed
The Light Contact is
energized
The light will turn o
when the door is
closed (solid door
models only) or
the light button
is pressed
The Light Contact is
de-energized
RTN400 terminals
13,14
RTN400 terminals
13,14
DRAIN TUBE HEATER The drain tube heater
is always on
Wired to direct power,
not through the
control
The Face & Door
Heaters run
continuously
Wired to direct power,
not through the
control