Column Temperature/Humidity Sensors
Model
Temperature
Sensor 1
Temperature
Sensor 2
Temperature
Sensor 3
Temperature
Sensor 4
Temperature
Sensor 5
Temperature
Sensor 6
NTC Thermistor NTC Thermistor NTC Thermistor NTC Thermistor Temp/Humidity
Sensor
Temp/Humidity
Sensor
Refrigerator
Main
Compartment
Deli Drawer
Meat Drawer
Evap Temp
Produce
Drawer
Freezer
Main
Compartment
Evap Temp
Single-Zone
Wine
Evap Temp
Main
Compartment
Dual-Zone
Wine
Evap Temp
Lower
Compartment
Upper
Compartment
Associated
Alarms
P1, L1, H1
P2, L2, H2
P3, L3, H3
P4, L4, H4
P5, L5, H5, R5 P6, L6, H6, R6
**NOTE: Alarm will stop once the cause of the alarm is corrected.
P1, P2, P3, P4, P5, P6 = Open/Disconnected NTC Thermistor or Temperature/Humidity Sensor
L1, L2, L3, L4, L5, L6 = Low Temperature Alarm (Sensed temperature is below X degrees F below setpoint for over
30 minutes)
H1, H2, H3, H4, H5, H6 = High Temperature Alarm (Sensed temperature is above X degrees F above setpoint for over
30 minutes)
r5, r6 = Open/Disconnected Humidity Sensor
d1 = door open alarm
Low/High Temperature Alarm Offsets
Alarm
Freezer
Refrigerator
Wine Single Zone
Wine Dual Zone
L1
10°F below setpoint
6°F below setpoint
L2
6°F below setpoint
L3
6°F below setpoint
L4
L5
6°F below setpoint
6°F below setpoint
6°F below setpoint
L6
6°F below setpoint
H1
10°F above setpoint
6°F above setpoint
H2
6°F above setpoint
H3
6°F above setpoint
H4
H5
6°F above setpoint
6°F above setpoint
6°F above setpoint
H6
6°F above setpoint
Table 5.3. Control Alarms
Table 5.4. Low/High Temperature Alarm Offsets
Column Refrigeration Service Manual
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5.4 Control Alarms