Follett REF20-PH - Advanced Touchscreen Settings; Control and Lock Settings

24 01134592 – REF20/25 LB, PH, BB
Advanced Setting - touchscreen
Parameter Default Value Range Description
Set Time and Date
Time 7:45 0 to 12 Holds Hour
AM/PM AM AM, PM Holds AM/PM
Month 12 1 to 12 Month
Day 16 1 to 31 Day
Year 2013 2010 to 2099 Year
System Information
Serial Number E12345 — —
MC Version 33 — MC version
EMC version 2 — EMC version
UI version 17 — UI version
Keypad version 2 — Keypad version
Display Setup
Beeper Function ALL Off, All, dr, Alr, Err Controls the audible beeper function on the controller.
Off (all off), All (all on), Door (dr), Alarm (Alr), Error
(Err).
Beeper Volume 5 0 to 10 Beeper.
Button Clicks Ye s Yes, No Sets if a beep should sound each time a button is
pressed.
Display Probe RTD1 (P4) Control (P1), Defrost (P2),
P4, P5
The probe to display on controller.
Resolution Int Dec Integer or decimal
Sleep Function Ye s Yes, No Sleep function will blank the screen after 0 to
600seconds of non-use.
Sleep Timer 0 seconds 0 to 600 seconds Amount of time before the screen blanks automatically.
Screen Saver
Function
Temperature Blank, temperature, date/time Screen saver function will hide the home screen. It will
display a blank screen, temperature, or time and date.
Screen Saver
Timer
0 seconds 0 to 600 seconds Amount of Time before the screen saver initiates.
Change Keypad
Access Code
Change — Allows entry/editing of keypad access codes.
Password required.
Control Setup (REF/FZR)
User Set Point 3 C (40 F) /
–24C(–11 F)
LSP- USP The temperature setpoint that the user adjusts.
Differential 10 C (18 F) 7.8 C to 10 C (14 F to 18 F) Denes the difference between the cut- in and cut-out
temperatures.
Upper Setpoint 10 C (50 F) /
–18C(0F)
— Upper range of user-adjustable setpoint.
Lower Setpoint 2 C (36 F) /
–37C(–35F)
— Lower range of user-adjustable setpoint.
Lock Setpoint
Adjustment
Unlocked Unlocked, locked Locks the setpoint C/F, and alarm high/alarm low
against accidental changes.
Import Parameters No USB drive No USB, import parameters Import parameters from a USB port.
Export Parameters No USB drive No USB, export parameters Export parameters from a USB port.
Alarm Setup
Alarm 1 Delay 1 minute 0 to 60 minutes Alarm1 delay before sounding.
Alarm 1 Function R1 No, R1, R2, disable Denes the action when Alarm 1 is activated.
None(No), Relay 1 (R1), Relay 2 (R2), Display
(disable).
Alarm 1 High
Temp
49 C (120 F) User Set Point to 250 High temperature to activate Alarm 1.