Computer Control; Operation; Service Programming; Enter Service Setting Mode - Vulcan-Hart VK Series Service Manual

VK and TR GAS FRYERS W/Wo KleenScreen PLUS - SERVICE PROCEDURES AND ADJUSTMENTS
ALARMS
DRAIN VALVE INTERLOCK
(DVI) Filtering System Fryer
Batteries (Filter Key)
DRAIN VALVE INTERLOCK
(DVI) Stand Alone Fryers (Boil
Key)
PROGRAM LOST RECHECK
IGNITION STATUS
GAS Selected incorrectly
under service settings - type

COMPUTER CONTROL

Operation

For operating instructions and programming, refer to
OPERATOR MANUAL and computer controls
programing start guide.
Fig. 52
When drain valve is opened, the DVI switch contacts open, and the 24VAC input to
the control is removed. The heat demand (heat on) and basket lift outputs are
disabled. Any cooking in progress is cancelled and all operator buttons are disabled.
The display will show DRAINING.
Press FILTER key and hold for 3 seconds to begin filtering (pump on). Control is
signaled that filtering has started.
When the drain valve is closed, the DVI switch contacts close, and the 24VAC input
to the controller is restored. The heat demand (heat on) and all operator buttons will
remain disabled and the display will show FILL VAT.
To resume operation, allow the tank to fill with shortening between the MIN and MAX
lines. Press FILTER key to turn the pump motor off. Control is signaled that filtering
has stopped and the tank is full, Display will ask VAT FULL HIT TEMP. Press TEMP
key after confirming the shortening is at the proper level and to resume heating.
When drain valve is opened, the DVI switch contacts open, and the 24VAC input to
the control is removed. The heat demand (heat on) and basket lift outputs are
disabled. Any cooking in progress is cancelled and all operator buttons are disabled.
The display will show DRAINING.
When the drain valve is closed, the DVI switch contacts close, and the 24VAC input
to the controller is restored. The heat demand (heat on) and all operator buttons will
remain disabled and the display will show FILL VAT HIT TEMP.
To resume operation, allow the tank to fill with shortening between the MIN and MAX
lines. Press TEMP key. Display will ask VAT FULL HIT TEMP. Press TEMP key a
second time after confirming the shortening is at the proper level and to resume
heating.
When the program has detected errors in the data that is stored in the controls non
volatile memory (EEPROM), the control will automatically reload the factory default
settings. Display will alternate the alarm message until program mode is entered
then exited or power is cycled to control.
After 20 seconds in normal operation mode. IGNITION LOCKOUT will be shown on
the display and the alarm will sound continuously.
Enter SERVICE SETTINGS and select GAS* as the type.
Page 31 of 55
DESCRIPTION

Service Programming

The computer controls service settings mode is used
to select the settings that affect fryer operation and to
perform fryer diagnostic tests.

Enter Service Setting Mode

F45474 (0413)