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VK and TR GAS FRYERS W/Wo
KleenScreen PLUS
VK Series
TR Series
VFRY18 (after SN 481819109)
- NOTICE -
This Manual is prepared for the use of trained Hobart Service Technicians and should not
be used by those not properly qualified.
This manual is not intended to be all encompassing. If you have not attended a Hobart Service
School for this product, you should read, in its entirety, the repair procedure you wish to
perform to determine if you have the necessary tools, instruments and skills required to
perform the procedure. Procedures for which you do not have the necessary tools,
instruments and skills should be performed by a trained Hobart Service Technician.
The reproduction, transfer, sale or other use of this manual, without the express written
consent of Hobart, is prohibited.
This manual has been provided to you by ITW Food Equipment Group LLC ("ITW FEG")
without charge and remains the property of ITW FEG, and by accepting this manual you agree
that you will return it to ITW FEG promptly upon its request for such return at any time in the
future.
SERVICE MANUAL
A product of Vulcan-Hart 3600 North Point Blvd Baltimore, MD 21222
F45474 Rev. D (0822)
TABLE OF CONTENTS
Service Updates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
SERVICE UPDATES ................................................................................... 4
TIS DOCUMENT LIST - VK & TR GAS FRYERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
GENERAL .................................................................................................. 6
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
MODEL AND ML NUMBERS ............................................................................ 6
MODELS, FEATURES AND OPTIONS .................................................................. 7
KLEENSCREEN PLUS FILTRATION SYSTEM: (KSP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
SERIAL NUMBER LOCATION .......................................................................... 8
CONTROL PANELS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
INSTALLATION ........................................................................................ 9
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
CLEANING ............................................................................................. 9
TOOLS ................................................................................................. 9
SPECIFICATIONS ...................................................................................... 9
REMOVAL AND REPLACEMENT OF PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
COVERS AND PANELS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
CONTROL PANEL (SOLID STATE AND COMPUTER) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
BASKET LIFT COVERS ........................................................................... 11
ANALOG CONTROL .................................................................................. 12
INTERFACE CONTROL - D AND C SERIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
POWER SWITCH - D AND C SERIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
TEMPERATURE PROBE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
HIGH LIMIT THERMOSTAT ........................................................................... 15
POWER SUPPLY BOX ................................................................................ 16
POWER SUPPLY BOX COMPONENTS BEFORE 12/1/12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
IGNITION MODULE ............................................................................... 17
BLOWER CONTROL BOARD ..................................................................... 17
TIME DELAY TIMERS ............................................................................. 17
BLOWER RELAY ................................................................................. 17
FILTER RELAYS (24 VAC AND 120 VAC) ......................................................... 17
120 VOLT TRANSFORMER ....................................................................... 18
POWER SUPPLY BOX COMPONENTS AFTER 12/1/12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
120 VOLT TRANSFORMER ....................................................................... 18
CONTROL BOARD ................................................................................ 19
FILTER RELAYS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
BURNER & GAS VALVE ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
GAS VALVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
BASKET LIFT TUBE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
BASKET LIFT MOTOR ................................................................................ 21
BASKET LIFT CAM SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
BASKET LIFT CAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
FILL SOLENOID VALVE (KSP) ........................................................................ 23
FILTER HOSE SWITCH (KSP) ........................................................................ 24
FILTER PUMP AND MOTOR (KLEENSCREEN FRYERS ONLY) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
DRAIN VALVE INTERLOCK SWITCH (DVI) ............................................................ 25
FRY TANK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
SERVICE PROCEDURES AND ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
ELECTRIC CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
HARMONIC TONE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
TEMPERATURE PROBE FAULT CODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
TEMPERATURE PROBE TEST ....................................................................... 28
COOKING CONTROL CALIBRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
FLAME SENSE CURRENT CHECK PRIOR TO 12/1/12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
VK and TR GAS FRYERS W/Wo KleenScreen PLUS
F45474 Rev. D (0822) Page 2 of 64
FLAME SENSE CURRENT CHECK AFTER 12/1/12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
ELECTRONIC IGNITION CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
IGNITION MODULE LOCKOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
ELECTRONIC IGNITION SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
MODULATING GAS VALVE ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
BASKET LIFT ARM ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
SOLID STATE CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
OPERATION ...................................................................................... 33
SERVICE PROGRAMMING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
ERROR MESSAGES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
ENTER SERVICE MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
ALARM MESSAGES .............................................................................. 35
COMPUTER CONTROL ............................................................................... 37
OPERATION ...................................................................................... 37
SERVICE PROGRAMMING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
ENTER SERVICE SETTING MODE ................................................................ 37
ALARM MESSAGES .............................................................................. 40
GAS INLET PRESSURE CHECK ...................................................................... 41
ALTERNATE GAS INLET PRESSURE CHECK (BATTERY UNITS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
DISPLAY, LED AND KEYPAD TEST - COMPUTER CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
BLOWER CONTROL BOARD SETTINGS (BEFORE 12/1/12) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
HIGH/LOW FIRE TIMER (SETTING BEFORE 2/1/12) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
AIR FILTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
SPARK GAP SETTING BEFORE 12/1/12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
SPARK GAP SETTING AFTER 12/1/12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
ELECTRICAL OPERATION ................................................................................ 46
COMPONENT FUNCTION - FRYER CONTROLS ...................................................... 46
COMPONENT FUNCTION - KLEENSCREEN FILTER CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
COMPONENT LOCATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
SEQUENCE OF OPERATION - A SERIES - AFTER 12/1/12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
SEQUENCE OF OPERATION D AND C SERIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
FILTER SEQUENCE OF OPERATION D AND C SERIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
SCHEMATIC DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
WIRING DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
TROUBLESHOOTING ..................................................................................... 62
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
INTERFACE CONTROL BOARD PIN-OUTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
D AND C COOKING CONTROL PIN IN-OUTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
VK and TR GAS FRYERS W/Wo KleenScreen PLUS
© VULCAN 2022
Page 3 of 64 F45474 Rev. D (0822)
Service Updates
SERVICE UPDATES
August 2022
• Updated KLEENSCREEN PLUS FILTRATION
SYSTEM: (KSP).
• Updated SERIAL NUMBER LOCATION.
• Updated SPECIFICATIONS.
• Updated HIGH LIMIT THERMOSTAT.
• Updated GAS VALVE.
• Updated BASKET LIFT CAM.
• Updated FILL SOLENOID VALVE (KSP).
• Updated FILTER PUMP AND MOTOR
(KLEENSCREEN FRYERS ONLY).
• Updated TEMPERATURE PROBE FAULT
CODES.
• Updated COOKING CONTROL CALIBRATION.
• Updated MODULATING GAS VALVE
ADJUSTMENTS.
• Updated SOLID STATE CONTROL.
• Updated COMPUTER CONTROL.
• Updated BLOWER CONTROL BOARD
SETTINGS (BEFORE 12/1/12).
• Updated HIGH/LOW FIRE TIMER (SETTING
BEFORE 2/1/12).
• Updated AIR FILTER .
• GAS INLET PRESSURE CHECK
• Added new, GAS INLET PRESSURE CHECK.
• Updated SEQUENCE OF OPERATION - A
SERIES - AFTER 12/1/12.
• Updated FILTER SEQUENCE OF OPERATION
D AND C SERIES.
• Updated TROUBLESHOOTING.
• Added new, D AND C COOKING CONTROL PIN
IN-OUTS.
October 2020
• Updated gas supply pressure in
SPECIFICATIONS.
• Added GAS INLET PRESSURE CHECK.
November 2018
• Added TIS Document List.
November 2017
• Updated SPECIFICATIONS.
September 2017
• Added INTERFACE CONTROL BOARD PIN-
OUTS.
TIS DOCUMENT LIST - VK & TR GAS FRYERS
SERVICE TAB
Document Title Document Type
VK and TR GAS FRYERS W/Wo KleenScreen PLUS
Service Manual Service Manual
DVI Switch Malfunction on Fryers with or without
Kleenscreen Plus Filtering Systems Temporary Service Instructions (TSI)
SERVICE TAB (Multimedia)
Document Title Document Type
VK/TR Analog Control W/Kleenscreen Fryer Wiring Diagram Electrical Diagram
VK/TR Analog Control W/E.I. Stand Alone Fryer Wiring Diagram Electrical Diagram
VK/TR D & C Fryer Wiring Diagram Electrical Diagram
KleenScreen Filtration System User's Guide Instructions
Repair Flood-Damaged Equipment Misc
Fryer Computer Control Guide Operator
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - Service Updates
F45474 Rev. D (0822) Page 4 of 64
SERVICE TAB (Multimedia)
VK Series Gas Fryers with KleenScreen Plus Filtration Systems I & O
Manual Operator
Fryers, Mobile Filters, Gas & Electric Service Information Service Instructions
Fundamentals of Gas Service Instructions
Hobart Fryers with TDI Computer Control Quick Reference Programming
Guide Service Instructions
Hobart Gas Fryers with Drawer Filter System Solid State Controller Kits -
Part No. 913012-6 & 913012-7 Installation Instructions Service Instructions
Pilot & Burner Problems on Units without Powered Burners Service
Information Service Instructions
Vulcan Fryers Part No. 415144-17 & 415144-18 Control Board Instructions Service Instructions
Rating Plate Locations ON Current Vulcan-Hart/Wolf Range Equipment Technical Service Bulletin (TSB)
TSB 0559 Fryers - Contractor Bags Technical Service Bulletin (TSB)
TSB 1037A Hobart to Vulcan "Common" Model Cross Reference List Technical Service Bulletin (TSB)
TSB 1159 Floor & Battery Fryers (Gas & Electric) - "Continuous Hinge"
Door Assembly Technical Service Bulletin (TSB)
TSB 1254 Gas & Electric fryers - New Door Magnet (Hobart & Vulcan) Technical Service Bulletin (TSB)
TSB 1301 Onwatch Quicklook 72 for Gas Cooking Equipment Technical Service Bulletin (TSB)
TSB 1304 Gas Millivolt Controls Technical Service Bulletin (TSB)
TSB 1324 Solid State Control - Software Revision 3.0 & Higher / Hobart &
Vulcan Gas & Electric Fryers Technical Service Bulletin (TSB)
TSB 1325 Computer Control - Software Revision 3.0 & Higher / Hobart &
Vulcan Gas & Electric Fryers Technical Service Bulletin (TSB)
TSB 1345 Fryer Tank Assembly - Drain Size Change Technical Service Bulletin (TSB)
TSB 1352 Hobart & Vulcan Gas & Electric Fryers - AFC to NCC Computer
Control Conversion Kits Technical Service Bulletin (TSB)
SB 1056 TR, VK, VFRY Backfire Service Instructions
PARTS TAB
Document Title Document Type
VK & TR Series Fryers Parts Catalog Parts Catalog
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - Service Updates
Page 5 of 64 F45474 Rev. D (0822)
GENERAL
INTRODUCTION
This service manual covers the specific service information related to the models listed in the chart below. The VK
and TR series gas fryers come equipped with solid state analog (A), solid state digital (D) or programmable computer
(C) controls. This manual covers single floor model fryers, battery fryers as well as fryers with the KleenScreen
PLUS® Filtration System. All pictures and illustrations will be of a 2VK45A unless otherwise noted.
All of the information, illustrations and specifications contained in this manual are based on the latest product
information available at the time of printing.
MODEL AND ML NUMBERS
MODEL ML # MODEL ML # MODEL ML #
1VK45A 136885 1VK45D 136886 1VK45C 136887
1VK65A 136888 1VK65D 136889 1VK65C 136890
1VK85A 136891 1VK85D 136892 1VK85C 136893
1VK45AF 136684 1VK45DF 136895 1VK45CF 136896
1VK65AF 136897 1VK65DF 136898 1VK65CF 136899
1VK85AF 136900 1VK85DF 136901 1VK85CF 136902
2VK45AF 136903 2VK45DF 136904 2VK45CF 136905
2VK65AF 136906 2VK65DF 136907 2VK65CF 136908
2VK85AF 136909 2VK85DF 136910 2VK85CF 136911
3VK45AF 136912 3VK45DF 136913 3VK45CF 136914
3VK65AF 136915 3VK65DF 136916 3VK65CF 136917
3VK85AF 136918 3VK85DF 136919 3VK85CF 136920
4VK45AF 136921 4VK45DF 136922 4VK45CF 136923
4VK65AF 136935 4VK65DF 136941 4VK65CF 136937
4VK85AF 136938 4VK85DF 136939 4VK85CF 136940
1TR45A 136946 3TR45CF 136959 3TR65CF 136972
1TR45AF 136947 4TR45CF 136960 1TR85A 136973
2TR45AF 136948 1TR65A 136961 1TR85AF 136974
3TR45AF 136949 1TR65AF 136962 2TR85AF 136975
4TR45AF 136950 2TR65AF 136963 3TR85AF 136976
1TR45D 136951 3TR65AF 136964 1TR85D 136977
1TR45DF 136952 1TR65D 136965 1TR85DF 136978
2TR45DF 136953 1TR65DF 136966 2TR85DF 136979
3TR45DF 136954 2TR65DF 136967 3TR85DF 136980
4TR45DF 136955 3TR65DF 136968 1TR85C 136981
1TR45C 136956 1TR65C 136969 1TR85CF 136982
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - GENERAL
F45474 Rev. D (0822) Page 6 of 64
MODEL ML # MODEL ML # MODEL ML #
1TR45CF 136957 1TR65CF 136970 2TR85CF 136983
2TR45CF 136958 2TR65CF 136971 3TR85CF 136984
4TR65AF 136985 4TR65DF 136986 4TR65CF 136987
4TR85AF 136988 4TR85DF 136989 4TR85CF 136990
MODELS, FEATURES AND OPTIONS
MODELS, FEATURES AND OPTIONS
MODEL
FEATURES OPTIONS
FRYER WIDTH
(INCHES)
SHORTENING
CAPACITY PER
FRYER (POUNDS)
BTU/HR/SECTION AUTOMATIC
BASKET LIFTS
1VK/TR45A /D / C /
AF / DF / CF 15.5" 45 - 50 70,000 SINGLE OR DUAL
1VK/TR65A / D / C
AF / DF / CF 21.0" 65 - 70 80,000 SINGLE OR DUAL
1VK/TR85A / D / C /
AF / DF / CF 21.0" 85 - 90 90,000 SINGLE OR DUAL
2VK/TR45AF / DF /
CF 31.0" 45 - 50 70,000 SINGLE OR DUAL
3VK/TR45AF / DF /
CF 46.5" 45 - 50 70,000 SINGLE OR DUAL
4VK/TR45AF / DF /
CF 62.0" 45 - 50 70,000 SINGLE OR DUAL
2VK/TR65AF / DF /
CF 42.0" 65 - 70 80,000 SINGLE OR DUAL
3VK/TR65AF / DF /
CF 63.0" 65 - 70 80,000 SINGLE OR DUAL
4VK/TR65AF / DF /
CF 84.0" 65 - 70 80,000 SINGLE OR DUAL
2VK/TR85AF / DF /
CF 42.0" 85 - 90 90,000 SINGLE OR DUAL
3VKTR85AF / DF / CF 63.0" 85 - 90 90,000 SINGLE OR DUAL
4VK/TR85AF / DF /
CF 84.0" 85 - 90 90,000 SINGLE OR DUAL
KLEENSCREEN PLUS FILTRATION
SYSTEM: (KSP)
The KleenScreen ® filtration system isPLUS
integrated into the VK Series fryer battery. The filter is
housed in a pullout drawer assembly at the base of
the fryer. The filtering components in the drawer
include a stainless steel filter tank, a stainless steel
mesh filter screen with a stainless steel insert, a
suction tube and a knurled knob that holds the
assembly together. In addition, the KSP has a second
filtering system option; a microfiltration fabric
envelope (3), a dedicated stainless steel insert and
stainless steel clip that holds the assembly together.
With the filter drawer closed, a self-sealing oil return
line provides the path to return the filtered shortening
back into the fry tank.
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - GENERAL
Page 7 of 64 F45474 Rev. D (0822)
This system is designed to provide a thorough and
easy method to filter the shortening. Some of the
benefits include:
• Self-contained system eliminating the use of
external filter equipment.
• Paperless filtering system.
• Easy to clean and low maintenance.
• Extends the life of the shortening.
KSP fryer batteries can be in a single and up to a
maximum of a four fryer battery in most cases.
Batteries are made up of only fryers, no warming
stations.
SERIAL NUMBER LOCATION
Serial number plate is attached to door of fryer.
Fig. 1
This serial number plate supplies more than the serial
number. It also contains electric requirements, gas
requirements, clearances and agency approvals. This
plate is pop riveted to the door and should not be
removed.
CONTROL PANELS
ANALOG CONTROL
SOLID STATE CONTROL
COMPUTER CONTROL
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - GENERAL
F45474 Rev. D (0822) Page 8 of 64
USB Port
INSTALLATION
Refer to the Instruction Manual for detailed installation
instructions.
OPERATION
Refer to the Instruction Manual for specific operating
instructions.
CLEANING
Refer to the Instruction Manual for specific cleaning
instructions.
TOOLS
STANDARD
• Standard set of hand tools.
• VOM with minimum of NFPA-70E CATIII 600V,
UL/CSA/TUV listed. Sensitivity of at least 20,000
ohms per volt. Meter leads must also be rated at
CAT III 600V.
SPECIAL
• Temperature tester (thermocouple type).
• Manometer.
• Combustion analyzer.
• Set of metric hex wrenches (must include a 2 mm
wrench).
• Set of jeweler's screwdrivers.
• Grounding kit.
• Burndy pin extraction tool RX2025 GE1; Newark
Electronics Catalog Number 16F6666. Used for
removing pin terminals on Burndy connectors.
• Thumb drive.
NOTE: Customer to supply program for uploading
menu items.
SPECIFICATIONS
ELECTRICAL:
• 120VAC supply.
• Filter motor/pump
• Basket lift motors
• Transformer
• 24VAC transformer
• Fryer controls
• Basket lift relays
• Filter relay
MANIFOLD GAS PRESSURES (per fryer section)
• Natural 0.08" W.C.
• Propane 0.08" W.C.
BUILDING SUPPLY PRESSURE
(RECOMMENDED)
• Natural 7-9" W.C.
• Propane 11" W.C.
Building supply pressure max ½ psi. (14" W.C.)
A separate high pressure step-down gas regulator
(not supplied with unit) must be used for pressures
exceeding maximum. On fryers built between 12/1/12
thru 4/7/16 have an incoming gas pressure regulator
is installed on the fryer that has a max supply pressure
rating of ½ PSI (14" W.C.).
VK INPUT BTU RATING
VK SERIES BTU/HR/SECTION
VK45A, VK45AF, VK45D,
VK45DF, VK45C,
VK45CF
70,000
VK65A, VK65AF, VK65D,
VK65DF, VK65C,
VK65CF
80,000
VK85A, VK85AF, VK85D,
VK85DF, VK85C,
VK85CF
90,000
TR INPUT BTU RATING
TR SERIES BTU/HR/SECTION
TR45A, TR45AF, TR45D,
TR45DF, TR45C,
TR45CF
70,000
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - GENERAL
Page 9 of 64 F45474 Rev. D (0822)
TR INPUT BTU RATING
TR SERIES BTU/HR/SECTION
TR65A, TR65AF, TR65D,
TR65DF, TR65C,
TR65CF
80,000
TR85A, TR85AF, TR85D,
TR85DF, TR85C,
VK85CF
90,000
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - GENERAL
F45474 Rev. D (0822) Page 10 of 64
REMOVAL AND REPLACEMENT OF PARTS
COVERS AND PANELS
Disconnect the electrical power to
the machine and follow lockout /
tagout procedures.
Shut off the gas before servicing the
unit and follow lockout / tagout
procedures.
Control Panel (Solid State and Computer)
1. Remove screws at top of control panel and rotate
panel downwards.
Fig. 6
2. Disconnect wiring harness then lift panel off.
NOTE: The cooking control, control box, interface
board and wiring harness are now accessible.
3. Reverse procedure to install.
Basket Lift Covers
Shut off the gas before servicing the
unit and follow lockout / tagout
procedures.
All gas joints disturbed during servicing must be
checked for leaks. Check with a soap and water
solution (bubbles). Do not use an open flame.
NOTE: This procedure applies to fryers with
automatic basket lift option only.
1. Remove basket assembly lift arms from support
rods.
2. Remove screws securing upper cover to flue
wrap.
Fig. 7
A. Lift upper cover over support rods and place
cover to the side.
3. Remove screws securing lower cover to motor
mounting base.
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - REMOVAL AND REPLACEMENT OF PARTS
Page 11 of 64 F45474 Rev. D (0822)
Fig. 8
4. Reverse procedure to install.
ANALOG CONTROL
Disconnect the electrical power to
the machine and follow lockout /
tagout procedures.
Shut off the gas before servicing the
unit and follow lockout / tagout
procedures.
1. Open the door.
2. Unplug wiring harnesses from bottom of control
box.
3. Remove control box from frame of fryer.
4. Loosen set screw in control knob and remove
from shaft.
Fig. 9
5. Remove control box cover.
Fig. 10
6. Disconnect lead wires as necessary to remove
control.
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - REMOVAL AND REPLACEMENT OF PARTS
F45474 Rev. D (0822) Page 12 of 64
Fig. 11
7. Remove screws from front of control panel and
remove control.
INTERFACE CONTROL - D and C
SERIES
Disconnect the electrical power to
the machine and follow lockout /
tagout procedures.
Shut off the gas before servicing the
unit and follow lockout / tagout
procedures.
1. Remove CONTROL PANEL.
2. Note lead wire locations and remove wiring.
3. Remove screws securing control to fryer and
remove.
Fig. 12
4. Reverse procedure to install and check for proper
operation.
POWER SWITCH - D and C SERIES
Disconnect the electrical power to
the machine and follow lockout /
tagout procedures.
NOTE: This procedure is for solid state and computer
controls. Power switch for analog controls is part of the
analog control box.
1. Open fryer door to access power switch.
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - REMOVAL AND REPLACEMENT OF PARTS
Page 13 of 64 F45474 Rev. D (0822)
Fig. 13
2. Unplug power switch connector.
3. Reach behind power switch and press tabs on
both sides of power switch to remove switch.
NOTE: Power switch is removed from front of the
panel.
4. Reverse procedure to install new power switch.
5. Check operation of machine.
TEMPERATURE PROBE
Disconnect the electrical power to
the machine and follow lockout /
tagout procedures.
Shut off the gas before servicing the
unit and follow lockout / tagout
procedures.
1. Drain shortening from fryer tank.
2. Unplug temperature probe lead wire connector.
Fig. 14
NOTE: This picture shows the probes with the burner
removed.
3. Loosen compression nut and remove probe from
fryer.
Fig. 15
4. Install new probe making sure that probe is
installed into bracket shown.
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - REMOVAL AND REPLACEMENT OF PARTS
F45474 Rev. D (0822) Page 14 of 64
HIGH LIMIT THERMOSTAT
Disconnect the electrical power to
the machine and follow lockout /
tagout procedures.
Shut off the gas before servicing the
unit and follow lockout / tagout
procedures.
Do not sharply bend or kink the high limit capillary tube
or damage may occur.
NOTE: Units manufactured before 8/10/17 will utilize
the Robertshaw capillary wire with probe type. Units
manufactured beginning 8/10/17 will use a Fenwal
cartridge type high limit with no capillary.
1. Drain shortening from fryer tank.
2. Disconnect lead wires from high limit thermostat.
3. Remove screws securing high limit to mounting
bracket.
Fig. 16
4. Remove the capillary tube retaining and packing
nuts.
Fig. 17
NOTE: This picture shows the probes with the burner
removed.
5. Slide high limit probe (1, Fig. 18) out of fry tank.
NOTE: High limit no capillary wire type shown in Fig.
18.
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - REMOVAL AND REPLACEMENT OF PARTS
Page 15 of 64 F45474 Rev. D (0822)
Fig. 20
3. Unplug all connecters from power supply box and
remove box from under fryer.
4. Remove cover to access power supply box
components.
Fig. 21
Fig. 22
5. Reverse procedure to install.
POWER SUPPLY BOX
COMPONENTS BEFORE 12/1/12
NOTE: The ignition module, blower control board and
the time delay timers will not be available to the field
any longer. If any one of these items fail, replace
power supply box. However, the filter relays and the
transformer are still available and can be replaced in
the field.
Ignition Module
Replace with updated Power Supply Box Assembly.
Blower Control Board
Replace with updated Power Supply Box Assembly.
Time Delay Timers
Replace with updated Power Supply Box Assembly.
Blower Relay
Replace with updated Power Supply Box Assembly.
Filter Relays (24 VAC and 120 VAC)
1. Remove POWER SUPPLY BOX.
2. Note location of all wiring to the relay and remove
wiring.
3. Remove screw and remove relay from box.
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - REMOVAL AND REPLACEMENT OF PARTS
Page 17 of 64 F45474 Rev. D (0822)
Fig. 23
4. Reverse procedure to install new relay.
5. Reinstall power supply box and check operation.
120 Volt Transformer
1. Remove POWER SUPPLY BOX.
2. Note location of wiring on 120 volt transformer
and remove wiring.
3. Remove screws and remove transformer from
the box.
Fig. 24
4. Reverse procedure to install new transformer.
5. Reinstall power supply box and check operation.
POWER SUPPLY BOX
COMPONENTS AFTER 12/1/12
NOTE: Power supply boxes built after 12/1/12 have
different components in them. The 24 volt electronic
ignition relay, blower control board, ignition module
and both time delay relays are replaced by a single
control board.
NOTE: The new ignition module will not have a
separate flame sense rod and wire. Ignition module
will rectify flame through high voltage wire.
120 Volt Transformer
1. Remove POWER SUPPLY BOX.
2. Note location of all wiring and remove wiring from
transformer.
3. Remove four screws and remove transformer
from box.
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - REMOVAL AND REPLACEMENT OF PARTS
F45474 Rev. D (0822) Page 18 of 64
3. Unbolt high limit thermostat clamp from transfer
tube.
Fig. 28
4. Remove bolts and remove burner from fryer.
Fig. 29
5. Reverse procedure to reinstall burner.
GAS VALVE
Disconnect the electrical power to
the machine and follow lockout /
tagout procedures.
Shut off the gas before servicing the
unit and follow lockout / tagout
procedures.
All gas joints disturbed during servicing must be
checked for leaks. Check with a soap and water
solution (bubbles). Do not use an open flame.
If the gas valve fails and needs to be replaced, you
must order a complete blower/gas valve assembly.
The reason for this is every blower/gas valve
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - REMOVAL AND REPLACEMENT OF PARTS
F45474 Rev. D (0822) Page 20 of 64
assembly is set up at the factory to operate at the most
efficient level possible. This set up procedure cannot
be duplicated in the field. If you feel that the gas valve
is not set up correctly or not operating correctly, call
product service and they will help solve the problem.
BASKET LIFT TUBE
Disconnect the electrical power to
the machine and follow lockout /
tagout procedures.
1. Remove BASKET LIFT COVERS.
2. Remove nut securing lift bar to lift tube.
3. Remove screws securing lift tube bracket to fryer
then remove bracket and lift tube.
Fig. 30
4. Reverse procedure to install.
BASKET LIFT MOTOR
Disconnect the electrical power to
the machine and follow lockout /
tagout procedures.
1. Remove BASKET LIFT TUBE.
2. Disconnect lead wires from cam switch and
basket lift motor.
3. Loosen set screws securing crank arm assembly
to basket lift motor shaft.
Fig. 31
4. Remove screws securing basket lift motor to cam
bracket, then remove motor from bracket.
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - REMOVAL AND REPLACEMENT OF PARTS
Page 21 of 64 F45474 Rev. D (0822)
Fig. 32
5. Reverse procedure to install and check for proper
operation.
NOTE: After reinstalling motor keep all wire leads
clear from moving parts.
BASKET LIFT CAM SWITCH
Disconnect the electrical power to
the machine and follow lockout /
tagout procedures.
1. Remove BASKET LIFT TUBE.
2. Disconnect lead wires from cam switch.
3. Remove screws securing cam switch to cam
bracket.
Fig. 33
4. Reverse procedure to install.
BASKET LIFT CAM
Disconnect the electrical power to
the machine and follow lockout /
tagout procedures.
1. Remove BASKET LIFT COVERS.
2. Remove nut securing lift bar to cam assembly.
3. Loosen cam set screw.
4. Remove screws securing cam to the crank arm
assembly.
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - REMOVAL AND REPLACEMENT OF PARTS
F45474 Rev. D (0822) Page 22 of 64
Fig. 34
5. Reverse procedure to install.
FILL SOLENOID VALVE (KSP)
Disconnect the electrical power to
the machine and follow lockout /
tagout procedures.
Shut off the gas before servicing the
unit and follow lockout / tagout
procedures.
NOTE: Units manufactured before 6/8/14 will utilize
the Jefferson Brand with rounded solenoid cover.
Units manufactured beginning 6/18/14 will use the
Bacarra Brand with a square solenoid cover.
1. Remove filter tank from fryer.
2. Access fill solenoid valve.
3. Loosen union at rear of valve,
4. Remove bolts securing valve and remove valve
from the fryer.
Fig. 35 JEFFERSON BRAND SHOWN
Fig. 35
Fig. 36 BACCARRA BRAND SHOWN
Fig. 36
5. Reverse procedure to reinstall valve.
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - REMOVAL AND REPLACEMENT OF PARTS
Page 23 of 64 F45474 Rev. D (0822)
FILTER HOSE SWITCH (KSP)
Disconnect the electrical power to
the machine and follow lockout /
tagout procedures.
1. Open fryer door to access filter hose switch.
2. Unplug lead wire connections.
Fig. 37
3. Press tabs on rear of switch and push out front of
fry cabinet.
4. Reverse procedure to install new switch.
FILTER PUMP AND MOTOR
(KLEENSCREEN FRYERS ONLY)
Disconnect the electrical power to
the machine and follow lockout /
tagout procedures.
1. Access rear of fryer.
2. Remove four bolts holding rear cross bracket,
and carefully lower bracket.
3. Disconnect both hoses from filter pump.
Fig. 38
4. Disconnect electric connections to filter pump
motor.
5. Remove filter drain pan.
6. Remove splash guard fasteners and lower to
access pump mounting bolts.
Fig. 39
7. Unbolt filter pump motor from fryer frame.
8. Carefully remove filter pump assembly through
rear of fryer.
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - REMOVAL AND REPLACEMENT OF PARTS
F45474 Rev. D (0822) Page 24 of 64
9. Reverse procedure to reinstall filter pump
assembly.
DRAIN VALVE INTERLOCK
SWITCH (DVI)
Disconnect the electrical power to
the machine and follow lockout /
tagout procedures.
Shut off the gas before servicing the
unit and follow lockout / tagout
procedures.
1. Open fryer section door.
2. Locate drain valve switch
3. Remove nut holding drain valve handle and
remove handle.
Fig. 40
NOTE: Make sure drain handle is in closed position.
If fry tank is full of shortening, carefully remove drain
handle. Do not turn handle to open position. Doing so
will allow shortening to drain on floor.
4. Remove drain valve interlock switch bracket from
valve.
5. Remove screws holding the drain valve interlock
switch on bracket and take switch from bracket.
Fig. 41
6. Unplug drain valve interlock switch from wiring
harness and remove switch from fryer.
7. Reverse procedure to install and check for proper
operation.
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - REMOVAL AND REPLACEMENT OF PARTS
Page 25 of 64 F45474 Rev. D (0822)
7. Remove fry tank bolt down bracket.
Fig. 45
8. Remove fry tank cover plate.
Fig. 46
A. Cover plate is glued to tank and will have to
be pried off.
B. Order a replacement plate prior to replacing
fry tank.
9. If basket lifts are installed, they will have to be
removed from rear of tank.
10. Remove tank from fryer.
Fig. 47
11. Reverse order of this procedure to install new fry
tank.
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - REMOVAL AND REPLACEMENT OF PARTS
Page 27 of 64 F45474 Rev. D (0822)
SERVICE PROCEDURES AND ADJUSTMENTS
Certain procedures in this section require electrical test or measurements while power is
applied to the machine. Exercise extreme caution at all times and follow Arc Flash procedures.
If test points are not easily accessible, disconnect power and follow Lockout/Tagout
procedures, attach test equipment and reapply power to test.
ELECTRIC CONNECTIONS
The VK series fryers are supplied with a 120Volt cord
and three prong plug. If local electrical codes require
that these fryers be plugged into a Ground Fault
Interrupter or GFI. You must use GFI part number
913053. Other GFI outlets may not have the correct
tolerance for the spark to ground ignition system
employed with the VK series fryers.
HARMONIC TONE
Harmonic Tone (hum) at First Start
At first start, fryer will begin heating in low fire. There
will be a harmonic tone that is NORMAL to hear. As
fryer continues to heat, harmonic tone will dissipate
and become less noticeable. When fryer reaches
135°F (end of melt cycle), fryer will heat on high fire
and blower speed will increase.
TEMPERATURE PROBE FAULT
CODES
Certain procedures in this section
require electrical test or
measurements while power is
applied to the machine. Exercise
extreme caution at all times and
follow Arc Flash procedures. If test
points are not easily accessible,
disconnect power and follow
Lockout/Tagout procedures, attach
test equipment and reapply power to
test.
Temperature probe fault codes only exhibit on the
solid state(D) and computer(C) control models. The
probe is an RTD (resistance temperature detector) of
the thermistor type. As temperature increases the
resistance value decreases.
Probe Fault
If a temperature probe fault or high temperature
condition occurs, a fault message will be displayed
and the electronic alarm will sound continuously. The
heat demand and basket lift outputs are de-activated.
If a cooking cycle is in process (timer active), it will be
cancelled and the key pad disabled.
This will continue until the fault clears, power is cycled
or problem resolved.
CONTROL TYPE FAULT
SOLID STATE
An open probe will display
OPEN PROBE and a short
will display SHORTED
PROBE or high temperature
condition will display HIGH
TEMP.
COMPUTER
An open probe will display
PROBE OPEN. A shorted
probe will display PROBE
SHORT. A high temperature
condition will display HIGH
TEMP.
TEMPERATURE PROBE TEST
Certain procedures in this section
require electrical test or
measurements while power is
applied to the machine. Exercise
extreme caution at all times and
follow Arc Flash procedures. If test
points are not easily accessible,
disconnect power and follow
Lockout/Tagout procedures, attach
test equipment and reapply power to
test.
To Check:
1. Turn power switch off.
2. Disconnect the temperature probe plug.
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - SERVICE PROCEDURES AND ADJUSTMENTS
F45474 Rev. D (0822) Page 28 of 64
Fig. 48
3. Test the probe using a VOM to measure
resistance. Connect the meter leads to the wires
removed in step 2.
A. If the measured resistance values are within
the allowable range, the probe is functioning
properly. Reverse procedure to install.
B. If the measured resistance values are
outside the allowable range, install a
replacement probe and check for proper
operation.
NOTE: Oil temperatures near or below 40° F will
exhibit error message.OPEN PROBE
TEMPERATURE (°F) RESISTANCE (Ω)
77 90,000 - 110,000
350 604 - 836
415 1302 - 369
460 2191 - 233
1 High temperature alarm level for the cooking
controls
2 Shorted probe equivalent temperature
COOKING CONTROL
CALIBRATION
Certain procedures in this section
require electrical test or
measurements while power is
applied to the machine. Exercise
extreme caution at all times and
follow Arc Flash procedures. If test
points are not easily accessible,
disconnect power and follow
Lockout/Tagout procedures, attach
test equipment and reapply power to
test.
Hot oil and parts can cause burns. Use care when
servicing fryer.
NOTE: Verify condition of temperature probe as
outlined under TEMPERATURE PROBE TEST before
proceeding.
1. Check the level of shortening in fry tank. The level
must be between the MIN & MAX fill lines before
proceeding.
2. Allow shortening to cool below 300°F.
3. Place a thermocouple in the geometric center of
the fry tank one inch below the shortening
surface.
4. Set the cooking control to 350°F and turn the fryer
on.
5. Monitor the heat indicator lamp. When cooking
control is calling for heat, lamp will be on. If
cooking control is satisfied, lamp will be off.
Analog Control - Heat light is to right of the ON/
START light.
Solid State Control - Decimal point of first
character indicates heat on when lit.
Computer Control - Two LED lamps on the Oil
Temp key that indicate heat on.
NOTE: Agitate the shortening, to eliminate any cold
zones.
A. Allow cooking control to cycle three times to
stabilize shortening temperature.
B. Record meter reading from thermocouple
when the cooking control cycles off and on
for at least two complete heating cycles.
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - SERVICE PROCEDURES AND ADJUSTMENTS
Page 29 of 64 F45474 Rev. D (0822)
FLAME SENSE CURRENT CHECK
AFTER 12/1/12
Certain procedures in this section require
electrical test or measurements while power is
applied to the machine. Exercise extreme caution
at all times. If test points are not easily accessible,
disconnect power and follow lockout / tagout
procedures, attach test equipment and reapply
power to the test.
1. Remove cover from power supply box.
2. Locate two pins (FC- and FC+) on side of the
ignition/ blower control board.
Fig. 50
3. Set your multi meter for Microamps and place
meter leads on two pins.
4. Restart the fryer and read the microamps as the
fryer is sparking.
NOTE: Reading the microamps can only be done
when the fryer is sparking. When the spark quits, the
reading will go away. There will be several seconds to
obtain this reading.
5. The flame sense current must be at least 2.0 to
3.0 microamps, and the reading must be steady.
6. If reading is below 1.3 microamp or unsteady,
check pilot flame and electrical connections.
ELECTRONIC IGNITION CONTROL
Certain procedures in this section
require electrical test or
measurements while power is
applied to the machine. Exercise
extreme caution at all times and
follow Arc Flash procedures. If test
points are not easily accessible,
disconnect power and follow
Lockout/Tagout procedures, attach
test equipment and reapply power to
test.
NOTE: This procedure applies to all fryers.
Ignition Module Lockout
This happens when fryer is unable to detect flame
sense. The electrode will try to ignite one time. When
flame has not been detected within 5 seconds red light
on ignition module will blink.
Fig. 51
"A" style controller: Red light will blink and blower will
continue to run until power has been turned off.
"C" and "D" style controllers: Red light will continue to
blink, but blower will shut down after a number of
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - SERVICE PROCEDURES AND ADJUSTMENTS
Page 31 of 64 F45474 Rev. D (0822)
seconds and a loud "beep" will continue to sound until
fryer is powered down.
Electronic Ignition System
Certain procedures in this section
require electrical test or
measurements while power is
applied to the machine. Exercise
extreme caution at all times and
follow Arc Flash procedures. If test
points are not easily accessible,
disconnect power and follow
Lockout/Tagout procedures, attach
test equipment and reapply power to
test.
1. Access burner electrode.
2. Remove ignition wire from burner electrode.
3. Fasten metal end of ignition wire about ¼ away
from a grounded metal surface on fryer.
4. Try to light the burner.
5. Spark should be present. If no spark, check
ignition module in power supply box.
MODULATING GAS VALVE
ADJUSTMENTS
Disconnect the electrical power to
the machine and follow lockout /
tagout procedures.
Shut off the gas before servicing the
unit and follow lockout / tagout
procedures.
All gas joints disturbed during servicing must be
checked for leaks. Check with a soap and water
solution (bubbles). Do not use an open flame.
The modulating gas valve is adjusted at the factory
and requires no adjustments. If the modulating gas
valve needs to be replaced, the new gas valve from
the parts depot will be adjusted property and will only
need to have the gas pressure verified coming into the
gas valve.
BASKET LIFT ARM ADJUSTMENT
Certain procedures in this section
require electrical test or
measurements while power is
applied to the machine. Exercise
extreme caution at all times and
follow Arc Flash procedures. If test
points are not easily accessible,
disconnect power and follow
Lockout/Tagout procedures, attach
test equipment and reapply power to
test.
Hot oil and parts can cause burns. Use care when
servicing the fryer.
1. With shortening at room temperature, verify the
shortening level is between MIN & MAX lines in
fry tank. Add shortening as needed.
NOTE: Shortening will expand when heated. Do not
fill the fry tank past the MAX line.
2. Turn power switch on and set temperature to
350°F. Allow the shortening to reach set
temperature.
3. Check basket lift operation.
A. If necessary, adjust as outlined below.
4. When basket is in the up position, the bottom of
the basket should be out of the shortening. When
basket is in the down position, the bottom of the
basket should clear the crumb screen and the
product should be submerged.
A. To adjust, remove basket arm from lift shaft,
loosen stop nut and turn height adjustment
bolt to raise or lower basket arm as required.
Both baskets should be same height.
B. Tighten stop nut when complete.
NOTE: If adjustment is to low, when the basket is
lowered, it will disengage from basket arm.
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F45474 Rev. D (0822) Page 32 of 64
Fig. 52
SOLID STATE CONTROL
Certain procedures in this section
require electrical test or
measurements while power is
applied to the machine. Exercise
extreme caution at all times and
follow Arc Flash procedures. If test
points are not easily accessible,
disconnect power and follow
Lockout/Tagout procedures, attach
test equipment and reapply power to
test.
Hot oil and parts can cause burns. Use care when
servicing the fryer.
Operation
Use service information in this section when servicing
a fryer with a solid state control. Refer to instruction
manual for specific operating instructions.
NOTE: In operator programming mode, control can
be reset to its default values by pressing the TEMP
key for 2 seconds.
Service Programming
Solid state control Service Mode is used to perform
system diagnostic tests or edit programs that affect
the fryers operation.
Error Messages
Refer to ALARM MESSAGES at end of section.
Enter Service Mode
NOTE: Control heat demand output signal is off and
heat/ignition status input signal is ignored.
1. Cycle power switch. When the program version
number is displayed, press PROGRAM key to
enter Service Mode.
A. Beeper chirps on each successful keypress.
2. To scroll through each of the program items,
press PROGRAM key and release.
A. To reset all service mode program items to
factory default, press and hold TEMP key for
2 seconds.
3. To exit Service Mode and save selections, press
PROGRAM key and hold for 1 second. Fryer
returns to normal operation and display shows
the current heating mode based on shortening
temperature:
• MELT L (liquid; default) or Melt S (solid) if
shortening temperature is below 135°F.
• HEATING if no melt is selected and
shortening temperature is below set point.
• Fryer set point temperature if actual
shortening temperature is within set point
range.
Control Programming
PROGRAM
ITEM KEY SEQUENCE DISPLAY 1
Brand Name Press left or right basket to select display name. Hobart or Vulcan
Temperature
Display Mode Press left or right basket to select temperature unit of measure. DEG OR CF
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - SERVICE PROCEDURES AND ADJUSTMENTS
Page 33 of 64 F45474 Rev. D (0822)
Control Programming
PROGRAM
ITEM KEY SEQUENCE DISPLAY 1
Boil or Filter
Function
Press left or right basket to select fryer type.
Boil key overlay = stand alone fryer.
Filter key overlay = filtering system fryer batteries.
BOIL OR FILTER
Fryer Type
Press left or right basket to select fryer energy source (electric or gas heat).
Gas Star must be selected for VK and TR Fryers.4
ELECTRIC or
GAS or GAS
STAR
Calibration
Offset
Press left basket to increase or right basket to decrease offset temperature
(range -20 to 20)2
OFS (always00F
in °F)
Low Cook
Temp Lockout
Press left basket to increase or right basket to decrease cooking cycle lockout
temperature. (range 30 to 50F)2
NOTE: Prevents cook timers from starting if actual shortening temperature is
not within the lockout temperature setting.
LOCKO 40
(always in °F)
NOTE: The program items listed below are for . Do not change the default setting for these verifying settings only
program items.
PROGRAM
ITEM KEY SEQUENCE DISPLAY 1
Instant On
Time (heat)
Press left basket to increase or right basket to decrease instant on time.
NOTE: At the start of a cook cycle, the heat output will be activated for this time
(range 0 to 20 seconds).
INSTO 20
Melt Cycle On/
Off Times
Press left basket to increase or right basket to decrease melt cycle time.3
Gas Fryers
Adjustment Range:
Melt ON - 0 to 20 seconds; Melt OFF - 0 to 30 seconds.
MLTG
1 16
(Liq)
08
(Sol)
(Melt
ON)
MLTG
0 18
(Liq)
26
(Sol)
(Melt
OFF)
Electric Fryers
Adjustment Range:
Melt ON - 0 to 2 seconds; Melt OFF - 10 to 30 seconds.
MLTE1
04
(Liq)
02
(Sol)
(Melt
ON)
MLTE0
11 (liq)
13
(Sol)
(Melt
OFF)
Proportional
Offset
Press left basket to increase or press right basket to decrease proportional
offset (range 0 to 30). POFST 02
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - SERVICE PROCEDURES AND ADJUSTMENTS
F45474 Rev. D (0822) Page 34 of 64
Control Programming
PROGRAM
ITEM KEY SEQUENCE DISPLAY 1
Proportional
Gain
Press left basket to increase or right basket to decrease proportional gain (range
0 to 30). PGAIN 24
Derivative Gain Press left basket to increase or right basket to decrease derivative gain (range
0 to 30). DGAIN 20
Integral Gain press left basket to increase or right basket to decrease integral gain (range 0
to 30). IGAIN 08
Integral Limit Press left basket to increase or right basket to decrease integral limit (range 0
to 255). ILIM 255
NOTES
1 Default value shown in bold type.
2 Temperature will change in one degree increments, accelerating if the
button is held.
3 Time will change in one second increments, accelerating if the button
is held.
4 Gas* and Gas Star are the same value. The Solid State Display cannot
show an asterick(*).
Display Test
1. Cycle power switch. When FRYERS is
displayed, press PROGRAM key.
A. Display shows DSP TEST.
B. Press PROGRAM key again to light all the
display segments in the first character.
C. Continue pressing PROGRAM key until the
display segments for all eight characters are
tested.
2. To exit test, press and hold the PROGRAM key
for one second.
Alarm Messages
Alarms take precedence over any other controller
mode or function (except drain valve function).
ALARMS DESCRIPTION
OPEN PROBE
If an open probe is detected, 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 alternates OPEN PROBE and the electronic alarm will sound
continuously.
NOTE: A temperature of 40°F or lower is an open probe equivalent.
SHORTED PROBE
If a shorted probe is detected, 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 alternates SHORTED PROBE and the electronic alarm will sound
continuously.
NOTE: A temperature of 460°F or greater is a shorted probe equivalent.
HI TEMP
If the temperature is greater than or equal to 415°F, 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 alternates HIGH TEMP and the electronic alarm
will sound continuously. Normal fryer operation resumes when the temperature
drops below the high temperature alarm level.
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - SERVICE PROCEDURES AND ADJUSTMENTS
Page 35 of 64 F45474 Rev. D (0822)

Produktspecifikationer

Varumärke: Vulcan
Kategori: Fritös
Modell: VK65

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