A52x Series Electronic Refrigeration Controller with Adaptive Defrost Technical Bulletin
51
Info Field Codes
The two information fields in the lower right corner of the LCD display flashing codes in the parameter selection
screens. Table 9 identifies and describes these codes. Use the up and down arrows to scroll through the available
selections in the screen.
When the preferred code is flashing in the Info field, press
SET
to save the selection and to go to the next screen.
See the menu flow charts in
Navigating the High-Level Status and Setup Start Screen
to view the navigation path to
the selection screens. The availability of the selection screens and codes depend on your selections in the System
Setup screens.
Table 9: Information Field Selection Codes, Code Identifications, and Code Descriptions
Info Field
Selection
Codes
Code Identification and Description
1
SPD
Single-speed evaporator fan
Select for applications with a single-speed evaporator fan or fans.
2
SPD
Two-speed evaporator fan
Select for applications with a two-speed evaporator fan or fans.
12
HR
12-hour time display format
Select to display hours as 1 to 12 and with AM or PM time periods.
24
HR
24-hour time display format
Select to display hours as 1 to 24 and without AM or PM time periods.
A99
A99 temperature sensor
Select the sensor type.
ANL
Analog input type
Select to configure a universal input as a 0 to 10 VDC analog input.
AU
TO
Auto-generate
defrost interval start times occur at equal frequency throughout the day.
Select to automatically set up the frequency and real-time values for all of the selected number of defrost
cycles.
AUX
ON
Auxiliary Output On
Select to enable the LO/AUX Relay as an auxiliary output.
AVG
Average
Select to set up the Sn1 Sensor Failure Mode for averaging. When the system detects a Sn1 failure condition,
the controller cycles the cooling system at an On/Off frequency that is equal to the average of the last four On/
Off cycles before the sensor failure condition.
BIN
Binary type input
Select to configure a universal input as a binary on or off input.
C
Celsius
degrees
Select the units of temperature measure.
CLS
Closed
Select to set the active state of a Universal Input set up as a binary input.
DMY Day,
Month,
and
Year
date format:
The date displays as DD/MMM/YYYY.
DOR
OPN
Door Open
Select an optional alarm condition mode in the
ALARM
setup screens.
ELE
TRC
Electric resistive defrost
Select to choose a defrost type in the
SYSTEM SETUP
screens.
EMG
SW
Emergency Switch
Select an optional alarm condition mode in the
ALARM
setup screens.
F
Fahrenheit degrees
Select the units of temperature measure.
HIGH
High Speed
Two-speed fan speed selection
