REF4P, REF5P and REF5BBP-T Undercounter Refrigerators 29
Parameter Default Value Range Description
P6 Graph Display No Yes, No Determines whether to graph probe 6
P7 Graph Display No Yes, No Determines whether to graph probe 7
P8 Graph Display No Yes, No Determines whether to graph probe 8
Door Heater
Door Heater Yes Yes, No Controls door heater output
Door Heater Off
(mins)
2 0-100 Off time for door heater if dht=on
Door Heater On
(mins)
3 0-100 On time for door heater if dht=on
Error control
Probe Error BPr NO, BPr, R1 relay, R2 relay Action to take when probe error detected
Control On Time
(mins)
3 minutes 0.0 - 120.0 minutes Compressor on time when control probe error
(minutes)
Control Off Time
(mins)
10 minutes 0.0 - 120.0 minutes Compressor off time when control probe error
Fail Safe Timer
(mins)
0 minutes 0 - 180 minutes Minimal time the suction or discharge fail safe
routines must remain off when triggered.
Discharge Fail
Safe
121 C (250 F) 38 to 121 C (100-250 F) Denes the maximum temperature the discharge
inlet temperature is allowed to reach.
Discharge
Differential
38 C (100 F) 1 to 56 C (1 - 100 F) The temperature differential the discharge probe
must fall thru before resetting.
Suction Fail Safe -15 C (5 F) -73 to 38 C (-100 to 100 F) Denes the lowest temperature the suction inlet
temperature is allowed to reach.
Suction
Differential
11 C (20 F) 1 to 56 C (1 - 100 F) The temperature rise the suction inlet probe must
rise thru before resetting.
Calibration
Calibrate probes Calibrate probes through a second menu
Viewable
Cut In View cut in temperature
Cut Out View cut out temperature
Probe 1 temp View temperature of probe 1
Probe 2 temp View temperature of probe 2
Probe 3 temp View temperature of probe 3
Probe 4 temp Not avalable
Probe 5 temp Not avalable
Probe 6 temp View temperature of probe 6
Probe 7 temp View temperature of probe 7
Probe 8 temp View temperature of probe 8
Power On Time
(hrs)
View cumlitive hours that the unit was in service
Compressor
cycles
The number of compressor starts
Compressor run
time(hrs)
Veiw cumulative hours that the compressor was
energized
Door open Cycles The number of door opening
Door open
time(hrs)
View cumulative hours that the door was open
Factory Reset
Reset No No, Yes Reset all parameters to factory reset