Follett REF20-PH - Alarm Setup and Functions; General Alarm and Door Control

01134592 – REF20/25 LB, PH, BB 25
Parameter Default Value Range Description
Alarm 1 Low
Temp
–46 C (–50 F) - 50 - User Set Point Low temperature to activate Alarm 1.
Alarm 1 Probe Alarm (P4) Control (P1), P4, P5 Probe for Alarm 1.
Alarm 1 Reset 1 0 to 10 Temperature difference to reset Alarm 1.
Alarm 2 Set up
Alarm2 Delay 1 0 to 60 minutes Alarm 2 delay before sounding
Alarm2 Function Disable No, R1 relay, R2 relay, Disable Denes the action when Alarm 2 is activated.
Alarm2 High
Temp
49 C (120 F)
User Set Point 250 High temperature to activate Alarm 2.
Alarm2 Low Temp
–46 C (- 50 F)
–50 - User Set Point Low temperature to activate Alarm 2.
Alarm2 Probe
Alarm (P4) Control (P1), P4, P5
Probe for Alarm 2.
Alarm2 Reset 1 degrees 0 to 10 degrees Temperature difference to reset Alarm 2.
Alarm 3 Set up
Alarm3 Delay 1 0 to 60 minutes Alarm3 delay before sounding
Alarm3 Function Disable No, R1 relay, R2 relay, Disable Denes the action when Alarm 3 is activated.
Alarm3 High
Temp
49 C (120 F)
User Set Point 250 High temperature to activate Alarm 3.
Alarm3 Low Temp
–46 C (– 50 F)
–50 to User Set Point Low temperature to activate Alarm 3.
Alarm3 Probe
Alarm (P4) Control (P1), P4, P5
Probe for Alarm 3.
Alarm3 Reset 1 degrees 0 to 10 degrees Temperature difference to reset Alarm 3.
General Alarm Reset
Alarm Ringback 10 minutes 0 to 120 minutes Denes the time delay until the alarm will resound.
Alarm Remote
Reset
No On, I1, I2, I3, I4 Determines if the alarms can be silenced with a
remote input from I1, I2, I3 or I4
Alarm Startup
Delay
120 minutes 0 to 180 minutes Denes the alarm delay during startup.
Alarm Silencing Ye s Yes, No Determines if the alarms can be silenced or not.
Maintain Alarm Ye s Yes, No Determines if the alarm(1 to 3) should be maintained if
the temperatures fall back into range.
Door Control
Door Open Alarm Ye s Yes, No Sound beeper when door alarm activated.
Door Open Alarm
Delay
60 seconds 0 to 300 seconds Door open alarm delay.
Door Open Relay Disable No, R1 relay, R2 relay, Disable Alarm Relay to activate when door open alarm
activated.
Door Fan control Yes Yes, No Denes if the evap fan should shut off when the door
is open.
Door compressor
time
60 seconds 0 to 180 Seconds Denes the time to shut off the compressor after the
door is open. 0 = ignore
Light control
Turn light on/off
with door
Ye s Yes, No Turn light on/off with door openings.
Light off timer 120 seconds 0 to 600 Seconds Turn off the light after XX seconds
Power Alarm
Power Alarm Ye s Yes, No Denes if an alarm should sound if power is lost.