Penn A52 Series, Technical Bulletin

Page: 40 / 56

A52x Series Electronic Refrigeration Controller with Adaptive Defrost Technical Bulletin
40
To scroll through the REFRIGERATION SETUP start screens, tap
the DOWN or UP keys . To go to the SETPOINT VALUE
SELECTION screen, press SET.
No selection
Select the target setpoint value for the refrigerated space. To
save the value, press SET.
-40C° – 50C°
-40F° – 122F°
To scroll through the REFRIGERATION SETUP start screens, tap
the DOWN or UP keys.To go to the DIFFERENTIAL screen,
press SET.
No selection
Select the differential (se differential = cut in) value for the
refrigerated space. To save the value, press SET.
0.5C° – 9.5C °
1F° – 15F °
5 °F
To scroll through the REFRIGERATION SETUP start screens, tap
the DOWN or UP keys.To go to the Sn1: Failure Mode behavior
selection screen, press SET.
No selection
Select the behavior of the compressor relay if the Sn1 sensor or
sensor wiring fails. You can select on, off, or the average
temperature of last the four cycles before failure. To save the
selection, press SET.
ON, OFF, or
AVG
OFF
To scroll through the RFEFRIGERATION SETUP start screens,
tap the DOWN or UP keys. To go to the ANTI-SHORT CYCLE
DELAY selection screen, press SET.
No selection
Select the number of minutes that the compressor relay remains
off after it cycles off. To save the value, press SET.
0 to 12 minutes 3 minutes
To scroll through the
REFRIGERATION SETUP
start screens, tap
the
DOWN
or
UP
keys
.
To go to the
EVAPORATOR FAN SPEED
COMPRESSOR OFF selection screen, press SET.
No selection
Table 8: A52x Controller Set Up Screens, Descriptions, Behaviors, Value Ranges a Selection Lists (Part 9
of 19)
Screen Name in
Message Field
Parameter Description, Behavior, User Action Value Range or
Selection List
Default
Value or
Selection
SETPOINT
SET
SETPOINT
15
o
122
‐ 40
DIFFERENTIAL
SET
DIFFERENTIAL
3
o
15
1
SN1: FAILURE
MODE
SET
SN1: FAILURE
MODE
ON
ANTI-SHORT
CYCLE DELAY
SET
ANTI-SHORT
CYCLE DELAY
MIN 5
EVAP FAN SPEED
COMP OFF
SET