The following explains the process for filtering/reconditioning used cooking oil with the on‐board Oil Filtration
System. This system circulates oil through filter media/filter aid in the Filter Pan and back to the fryer vat.
Routinely performing this procedure can increase useful life of cooking oil by as much as 50%.
The controller has a configurable FORCE FILTER feature, which can be set to force operating personnel to perform
oil filtering after a preset number of cooking cycles have been completed. This feature is enabled and configured in
user settings, Section 4.01.8:
• FILTER COUNT
‐ 1 to 20 • Factory default = 4. The number of cook cycles allowed before Force Filter is
activated.
• FORCE FILTER
‐ [ON] / [OFF] • Factory default = [ON].
[ON] = After completing cook cycles equal to FILTER COUNT, alarm sounds and message “ALARM ‐ MUST
FILTER OIL” is displayed on upper controller display. Fryer enters FILTER MODE ... pressing [ALARM] key
silences alarm. Fryer is disabled from continued operation until a filtering process is properly completed.
[OFF] = After completing cook cycles equal to FILTER COUNT, alarm sounds and messuage “ALARM ‐ FILTER
OIL” is displayed on upper controller display. Pressing [ALARM] key silences alarm and fryer returns to READY
state. The unit can continue to be used, however this error/alarm will be issued after every subsequent cook
cycle until a filtering process is performed.
• FORCE FILTER SNOOZE
‐ [ON] / [OFF] • Factory default = [OFF].
Only effective when FORCE FILTER is set to [ON].
[ON] ‐ Allows one (1) additional load of product to be cooked after FILTER COUNT has been reached ... after
the additional cook cycle, fryer enters FILTER MODE and is disabled.
[OFF] = No additional cook cycle is allowed.
In addition to global FORCE FILTER, each Menu Item Preset has a FISH FILTER setting available. If the parameter is
turned [ON] it overrides the global setting and fryer enters FILTER MODE after cooking only (1) batch of that
particular Menu Item. This feature will typically be used for seafood items where it is desirable to minimize the
possibility of flavor transfer. See Section 4.01.5.1, Editing a Menu Item Preset for more detail.
54
Fryer Operation
GBF-50 Fryer
1. When connected to a bulk system, the process for topping‐off oil level is basically the same as described in
previous sub‐section.
2. For vat being filled, place the OIL RETURN VALVE handle in the [FILL POT] position. On a banked system, the
valves in all other units of the battery must be in the [CLOSE] position.
3. Press & hold the ADD OIL push‐button switch on control panel. The bulk system pump should start, oil flow
begins and the level in vat should begin to rise. Pump only runs while button is being pressed ... continue
holding and observe filling ... release switch when level reaches the [FULL] mark.
NOTE: Oil fill ports are located in vat bottom, there will be no visible flow of oil into vat, the rising level is the
only indication of oil flow.
4. If the amber HEAT light turns ON while adding oil, it is recommended to stir oil until the light turns OFF, to
ensure that the total volume of oil has returned to the set cooking temperature and is ready for the next load.
4.03 Maintaining Oil Level with Optional Oil Top-Off Systems -continued
4.04 Filtering Used Cooking Oil
Continued on Next Page
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