Advanced Settings
The refrigerator can be further customized through the first level (L1) and second level parameters (L2) in the
chart below.
1. Press and hold SET and UP arrows simultaneously until L1 is displayed.
2. Use the UP and DOWN arrows to navigate the parameters. When the desired parameter is displayed,
press
SET.
3. Use the UP and DOWN arrows to navigate the sub menu of the parameter. Press SET to accept and
the display will return to the parameter list (after 30 seconds the display will return to the temperature
display).
Parameter
Display
Description
Beeper Function
bPr
Controls the audible beeper function on the controller.
Off, All, door, Alarm,
Error.
Beeper Volume
bPu
Sets the volume of the beeper:
0 (minimum) to 10 (maximum).
Button Clicks
btc
Sets if a beep should sound each time a button is pressed.
Yes or No.
Sleep Function
SLP
Determines if sleep function activated from the panel.
Yes or No.
Sleep Timer
SLt
Amount of time before the screen blanks automatically.
0 s to 600 s.
Alarm1 High Temp
A1H
High temperature to activate alarm1. User set point to 121 C (250 F).
Alarm1 Low Temp
A1L
Low temperature to activate alarm1. User set point to –46 C (–50 F).
Alarm1 Probe
A1P
Probe for Alarm.
P1 (cabinet air), P3 (simulation bottle).
Units
unt
Display temperatures in degrees C or F.
F or C.
1. Press and hold SET and UP arrows simultaneously until L1 is displayed.
2. Press and hold SET and UP arrows simultaneously again until L2 is displayed.
3. Use the UP and DOWN arrows to navigate the parameters. When the desired parameter is displayed,
press
SET.
4. Use the UP and DOWN arrows to navigate the sub menu of the parameter. Press SET to accept and
the display will return to the parameter list (after 30 seconds the display will return to the temperature
display).
Parameter
Display
Description
Alarm1 Delay
A1d
Alarm1 delay before sounding.
0 to 60 minutes
Alarm1 Function
A1F
Defines the action taken when Alarm2 is activated.
NO (normally open), NC
(normally closed),
R1 (activate relay), R2 (not used), DIS (disable).
Alarm1 Reset
A2r
Temperature difference to reset alarm1.
0 to 10 degrees.
Alarm2 Delay
A2d
Alarm1 delay before sounding.
0 to 60 minutes.
Alarm2 Function
A2F
Defines the action taken when Alarm2 is activated.
NO (normally open), NC
(normally closed),
R1 (activate relay), R2 (not used), DIS (disable).
Alarm2 Reset
A2r
Temperature difference to reset alarm1.
0 to 10 degrees.
Alarm Ring back
Arb
Defines the time delay until the alarm will resound.
0 to 120 minutes
Alarm Startup Delay
ASd
Defines the alarm delay during startup.
0 to 180 minutes.
Alarm Silencing
ASL
Determines if the alarms can be silenced or not.
Yes, No.
Maintain Alarm
nAL
Determines if the alarm (1-3) should be maintained if the temperatures fall
back into range.
Yes, No.
Probe 1 Calibration
P1C
Offset value for probe 1 calibration.
-9.9 to 9.9.
Probe 3 Calibration
P3C
Offset value for probe 3 calibration.
-9.9 to 9.9.
Controller Parameter
Reset
rSt
Reset to restore factory parameters.
16
REF1/REF2 Compact Refrigerators
