Johnson Controls ER54 - Configuration Menu - Basic Settings; Installation and Thermostat Configuration; Alarm and Defrost Configuration

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This document is subject to change without notice
IS_ER54 ER55_24-85737-1358 Rev. A
Configuration Menu
Code Default Range Description
Setup
Mod
01 01 / 02
Application selector:
positive (01), negative (02)
St
ntc ntc, A99 Sensor types
un
1 °c 0 °1, 1 °c, 1 °F Scale selector: °C (decimal), °C (degree), °F
WARNING: Setup parameters have to be defined before setting
the configuration parameters. Any new setup could recover
default settings.
Thermostat Control
LL -40 -40 / hL Setpoint Low Limit
hL 70 LL / 70 °C Setpoint High Limit
cSP 2 LL to hL Setpoint
hY 2 1 / 10 °C Hysteresis
cc 3 0 / 10 min Compressor Min Off time
Sc 2 0 / 10 min Compressor stop delay at door opened
Temperature Alarm Setting
AtS rEL no, AbS, rEL Alarm selector: not used, relative or absolute
ALA -10 -40 / 70 °C Absolute alarm low limit
AhA 10 -40 / 70 °C Absolute alarm high limit
ALr -10 -12 / 0 °C Relative alarm low limit
Ahr 10 0 / 12 °C Relative alarm high limit
AAr YES no, YES Alarm automatic reset enable
SA t1 t1, t2, t3 Alarm sensor (t1, t2 or t3)
At 30 0 / 120 min Alarm delay at normal operation
Ac 40 0 / 120 min Alarm delay at power up or defrost end
AbE no no, YES Alarm buzzer enable
Code Default Range Description
Defrost Setting
dS tiM no, tiM, rtc Defrost selector: not used, periodical, scheduler
di 06 1 / 99 hours Defrost periodical interval
dxt - 0 / 23.5 hours
Defrost scheduler event hour
(x = 1 to 6 events)
dxd - 00 / 05
Defrost scheduler periods:
00 = Never
01 = All day
02 = Monday to
Friday
03 = Monday to
Saturday
04 = Week end
05 = Saturday only
dF
oFF
(ELE*)
oFF ELE, hGA Defrost operation: off cycle, electrical, hot gas
dFA
YES
(no*)
no, YES Fan enable on defrost
dt 7 -40 / 70 °C End defrost temperature
dd 40 1 / 99 min Defrost maximum duration
dc
0
(5*)
0 / 99 min Defrost dripping time
du oFF 0 / 99 min, OFF
First defrost delay after power up.
When OFF, first defrost is disable
dP Lt Lt, SP,dF
Display value on defrost:
last temperature, setpoint, Defrost flag
dr 20 0 / 99 Display delay after defrost
* Default values of Mod = 02 (negative temperature)