GRA SERIES GAS FRYERS
TABLE OF CONTENTS
GENERAL ................................................................................ 3
Introduction ............................................................................ 3
Single Floor Model Fryers ................................................................ 3
Kleenscreen Filtration System ............................................................. 4
Specifications .......................................................................... 4
Electrical .......................................................................... 4
Gas Pressures ..................................................................... 4
Tools................................................................................. 4
REMOVAL AND REPLACEMENT OF PARTS .................................................... 5
Splash Guard (Kleenscreen Fryers Only) ..................................................... 5
Cooking Controls ....................................................................... 5
Discard Valve Switch (Kleenscreen Fryers Only) ............................................... 5
Gas Burners ........................................................................... 6
Gas Orifice ............................................................................ 7
Gas Combination Valve .................................................................. 7
Gas Pilot .............................................................................. 8
Temperature Probe ..................................................................... 9
High Limit Thermostat ................................................................... 9
Power Supply Box Components ........................................................... 10
Fill Solenoid Valve (Kleenscreen Fryers Only) ................................................ 11
Pump and Motor (Kleenscreen Fryers Only) ................................................. 11
Fry Tank Assembly..................................................................... 12
SERVICE PROCEDURES AND ADJUSTMENTS................................................. 14
Temperature Probe Test ................................................................ 14
Cooking Control Calibration .............................................................. 15
Electronic Ignition System ............................................................... 15
Flame Sense Current Check ............................................................. 16
Electronic Ignition Control Test............................................................ 16
Gas Manifold Pressure Adjustment ........................................................ 18
ELECTRICAL OPERATION .................................................................. 19
Component Function ................................................................... 19
Power Supply Box Components ........................................................... 21
Sequence of Operation ................................................................. 22
Kleenscreen Filtering System ......................................................... 23
Schematic Diagrams ................................................................... 24
Fryers Without Kleenscreen Filtration System ............................................ 24
Fryers with Kleenscreen Filtration System ............................................... 25
Wiring Diagrams ....................................................................... 26
Frymate (Dump Station) ............................................................. 30
TROUBLESHOOTING ...................................................................... 31
All Models ............................................................................ 31
Ignition Module ........................................................................ 32
Frymate (Dump Station) with Optional Heater ................................................ 35
Kleenscreen Filtering System ............................................................. 36
© VULCAN 2010
F25377 (March 2010)
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