01441492R00 – REFVAC20/25 LB, PH, PD
11
Alarming Contacts
This unit is equipped with dry contacts that may be connected to a third
party monitoring system . The contacts are located on the back of the
facade . Touchscreen units utilize Alarm 1 . Each set of dry contacts has a
Common, a Normally Open and a Normally Closed connection point . By
default, Alarm Relay 1 is set to activate with any of the following alarms:
Alarm 1 High temp, Alarm 1 Low temp, Door Open Alarm, and Power Loss
Alarm .
Refer to the wiring diagram in this document for more information .
Fig. 17
REAR PANEL CONNECTIONS
Probe calibration
§
NSF 456 requires the temperature display probe (P4-RTD1 in REF12,
REF20/25, FZR20/25, and REF45 models) to be replaced or recalibrated .
Follett recommends replacement/recalibration 12 months from the original
date of calibration on the Certificate of Traceability supplied with your
equipment at the time of purchase . Recalibration or purchasing a new
calibrated probe is not covered by the original equipment warranty . To
purchase a new Probe with Certificate of Traceability, please contact our
Parts Department @ 1-877-612-5086 or partsales@follettice .com
The temperature probes can be offset –9 .9 to +9 .9 in the Advanced Menu
settings to deliver a more precise temperature reading .
1. Select Settings
2. Select Advanced settings and enter code 1,1,1,1 . Confirm with
Check mark
3. Using the DOWN arrow, scroll through Advanced Settings to
Calibrate screen and select Calibrate
4. Place desired probe (P1-control, P2-Defrost, P4-Top probe) in an
ice bath and allow 3-5 minutes for temperature stabilization .
5. Press “Offset” and use the UP/DOWN arrows to offset the probe
reading to the proper value .
Note: In the event of a factory reset, the offset value will return to 0.
Screen saver
The screen saver will replace the home screen and display a blank screen,
time and date, or the temperature . When the screen is touched or the unit
has an alarm or event, it will return to the home screen . The screen saver
can be changed in the advanced setting .
Screen saver function: blank, time and date, or temperature .
Screen saver time (sec): 0—600 seconds between the last touch of the
screen to the activation of the screen saver .
