Follett FZR Series Manual de instalação, operação e serviço - Página 7

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Follett FZR Series Manual de instalação, operação e serviço

Controller security

The controller panel can be locked to prevent inadvertent or intentional programming changes. In locked mode, the
controller will display cabinet temperature and cut-out set point only.

To lock the controller

Press the UP and DOWN ARROW buttons together for 3 seconds until "PoF" displays (will
1.
fl ash 3 times).
Programmer is now locked.
2.

To unlock the controller

1.
Press UP and DOWN ARROW buttons together for 3 seconds until "Pon" displays (will fl ash 3 times).
2. Programmer is now unlocked.

Controller programming key - "hot key"

A controller programming key is available from Follett to provide fast and easy reprogramming of factory settings.
Program Serial# Range
Below # C45184
Below # C83253
Above # C83253

Programming freezer from a controller programming key - "hot key" (download)

1.
TURN OFF freezer.
2. Remove 6 screws from panel holding controller to access back of controller.
3. Insert programmed key into 5 PIN receptacle on controller back.
4. TURN ON freezer.
5. Values from key automatically download to freezer ("dol" message blinks followed by "end").
6. After 10 seconds display returns to current freezer temperature and controller will restart with new values.
7.
TURN OFF FREEZER.
8. Remove key.
9. Reinstall panel.
Note: An "Err" message displays for failed programming. Turn freezer OFF then ON to restart download, or remove key
to abort.
FZR Series 00939124R00
Maximum
Frequency of
Duration of
Defrost
Defrost
4 hrs
4 hrs
4 hrs
4 hrs
6 hrs
6 hrs
Temp
Display °
15 min
C
15 min
F
15 min
C
15 min
F
15 min
C
15 min
F
FZR4-ADA & FZR5 –
Item#
00923938
00923946
00923656
00923664
00923672
00923680
Controller operation
7