Follett REF20-PH - Data Logging and Storage; Defrost and Graphing Configuration

26 01134592 – REF20/25 LB, PH, BB
Parameter Default Value Range Description
Power Alarm
Relay
Ye s Yes, No Denes if relay should open/close on power alarm.
Power Alarm
Timer
5 minutes 0 to 120 minutes Delay before sounding the power alarm.
Battery Level Battery Level
Data Storage Ye s Yes, No Overwrite circular data?
Data Full Alarm No Yes, No Alarm when data memory is full?
Data log
Sample Rate 15 minutes 0 to 360 minutes minutes between data sampling. 0 = Off
Data Duration
Data Storage Ye s Yes, No Overwrite circular data?
Data Full Alarm No Yes, No Alarm when data memory is full?
Track Events Ye s Yes, No Track events with log
P1 Datalog No Yes, No Log P1 to event log
P2 Datalog No Yes, No Log P2 to event log
P4 Datalog Ye s Yes, No Log P4 to event log
P5 Datalog No Yes, No Log P5 to event log
Defrost
Manual Defrost No Yes, No Force the unit into a defrost
Defrost Control Manual only "Power on, manual only,disable,
time of day, compressor on
time"
Denes tactic for initiating a defrost
Graphing
X Axis Range
(hrs)
168 hours 1 to 384 hours Time span for x-axis
Y Axis Minimum –1 C (30 F) –46 to 121 C (–50 to 250 F) Minimum temperature shown on graph
Y Axis Maximum 27 C (80 F) –46 to 121 C (–50 to 250 F) Maximum temperature shown on graph
Graph Show
Alerts
No Yes, No Determines whether alerts are displayed on the graph
P1 Graph Display NO Yes, No Determines whether to graph probe 1
P2 Graph Display No Yes, No Determines whether to graph probe 2