Follett REF2 Installation, Operation And Service Manual page 16

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