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Vulcan-Hart GR25 manual

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Table of contents for the manual

  • Page 1

    A product of VULCAN-HART LOUISVILLE, KY 40201-0696 F25125 (Marc h 2003) - NOTICE - This Manual is prepared for the use o f trained Vu lcan Serv ice Te ch ni ci ans and should not be us ed by those not properly qua li fied. If you have attende d a Vulcan Se rvice School for this product, yo u m ay be qualified to pe rform all the proc edures describ[...]

  • Page 2

    GR SERIES GAS F RYERS F25125 (Marc h 2003) Page 2 of 24 TABLE OF CONTENTS G E N E R A L ................................................................................ 3 Introduction ............................................................................ 3 Single Floor Model or Battery Fryers ..................................................[...]

  • Page 3

    GR SERIES GAS F RYERS - GENERAL F25125 (March 2003) Page 3 of 24 GENERAL INTRODUCTIO N This Service Manual cover s spec ific s ervice inf orm ation related to the m odels lis ted on the front c over. SINGLE FLOOR M ODEL OR BA TTERY FRYERS Fryers with the Filter-Ready option installed, use the Mobile Filter. For service inf orm ation related to the [...]

  • Page 4

    GR SERIES GAS F RYERS - GENERAL F25125 (Marc h 2003) Page 4 of 24 KLEENSCREEN FILTERING SYSTEM The new Kleensc reen filtering s ystem has been integrated into the GR Series fryer battery . The f ilter is housed in a pull-out dr awer assem bly at the base of the f ryer. The filtering c om ponents in the drawer include a stainless steel f ilter tank [...]

  • Page 5

    GR SERIES GAS FR YERS - REMOVAL AND REPLACEMENT OF PARTS F25125 (March 2003) Page 5 of 24 SPECIFICA TIONS Electrical • 120VAC supply for Filter-Ready fryers and Kleenscreen f ilter m odels only. The f ilter pum p motor draws approxim ately 5 amps. Gas Pressures Manifold (per fryer section) : • Natural - 4" W .C. • Propane - 10" W .C[...]

  • Page 6

    GR SERIES GAS FR YERS - REMOVAL AND REPLACEMENT OF PARTS F25125 (Marc h 2003) Page 6 of 24 NON FILTER REA DY SHOWN 2. W hen replacing door , install sc rews and tighten top and bottom s crews enough to hold door in place. 3. Close door, chec k alignm ent and adj ust if necessar y . 4. Finish tightening sc rews to fully secure. CONTROL THERMO STA T [...]

  • Page 7

    GR SERIES GAS FR YERS - REMOVAL AND REPLACEMENT OF PARTS F25125 (March 2003) Page 7 of 24 5. Remo ve the capillary tube retaining and packing nuts, fr om the bottom of fry tank. 6. Rem ove scr ews securing c apillary tube mounting c lips to the f ry tank heat tube then rem ove capillary tube. 7. Reverse proc edure to install. MAIN BURNERS WA RNING:[...]

  • Page 8

    GR SERIES GAS FR YERS - REMOVAL AND REPLACEMENT OF PARTS F25125 (Marc h 2003) Page 8 of 24 NON FILTER REA DY SHOWN 4. Reverse proc edure to install. MAIN BURNER ORIFICE WA RNING: DISCONNECT T HE ELECTRICAL PO W ER TO THE MACHINE AND FOLLOW LOCKOUT / TAGO UT PRO CEDURES. WA RNING: SHUT O FF T HE GAS BEFO RE SERVICING TH E UNIT. 1. Rem ove main bur n[...]

  • Page 9

    GR SERIES GAS FR YERS - REMOVAL AND REPLACEMENT OF PARTS F25125 (March 2003) Page 9 of 24 6. Reverse proc edure to install and c heck for proper operation. PILOT BURNER WA RNING: DISCONNECT T HE ELECTRICAL PO W ER TO THE MACHINE AND FOLLOW LOCKOUT / TAGO UT PRO CEDURES. WA RNING: SHUT O FF T HE GAS BEFO RE SERVICING TH E UNIT. WA RNING: ALL GAS JOI[...]

  • Page 10

    GR SERIES GAS FR YERS - REMOVAL AND REPLACEMENT OF PARTS F25125 (Marc h 2003) Page 10 of 24 3. Reverse proc edure to install and c heck for proper operation. FRY TA NK ASSEMBLY WA RNING: DISCONNECT T HE ELECTRICAL PO W ER TO THE MACHINE AND FOLLOW LOCKOUT / TAGO UT PRO CEDURES. WA RNING: SHUT O FF T HE GAS BEFO RE SERVICING TH E UNIT. WA RNING: ALL[...]

  • Page 11

    GR SERIES GAS FR YERS - REMOVAL AND REPLACEMENT OF PARTS F25125 (March 2003) Page 11 of 24 21. Reverse procedure to install all the parts removed from original fry tank onto replacement fry tank, then inst all the assembly. FILTER VA LVE A ND DI SCA RD VA LVE SWITCHES WA RNING: DISCONNECT T HE ELECTRICAL PO W ER TO THE MACHINE AND FOLLOW LOCKOUT / [...]

  • Page 12

    GR SERIES GAS FR YERS - SERVICE PROCEDURES AND ADJUST MENTS F25125 (Marc h 2003) Page 12 of 24 SERVICE PROCEDURES AND ADJUSTMENTS WA RNING: CERTAIN PROCED URES IN T HIS SECTION REQUIRE EL ECTRIC AL TEST OR MEASUREMENTS W HILE POW ER IS APPLIED T O THE MACHINE. EXERCISE EXTREME CAUTION AT ALL TIMES. IF TEST POINTS ARE NOT EASILY ACC ESSIBLE, DISCONN[...]

  • Page 13

    GR SERIES GAS FR YERS - SERVICE PROCEDURES AND ADJUST MENTS F25125 (March 2003) Page 13 of 24 NON FILTER REA DY SHOWN GA S M A NIFOLD PRESSURE AD J U S T M E N T WA RNING: SHUT OFF THE GAS SUPPLY BEFORE SERVICING THE UNIT. GAS PRESSURE (INCHES W.C.) GAS TYPE MANIFOLD LINE RECOMMENDED MIN M AX Natural 4 7 5 14 Propane 10 11 11 NOTE: If the incoming [...]

  • Page 14

    GR SERIES GAS FR YERS - SERVICE PROCEDURES AND ADJUST MENTS F25125 (Marc h 2003) Page 14 of 24 NON FILTER REA DY SHOWN A. I f adjustment is necessary, continue wit h procedure. 4. Remove the adjustment screw cap from the gas combination valve. A. To increase pilot flame, turn the screw counterclockwise . To decrease pilot flame, turn the screw cloc[...]

  • Page 15

    GR SERIES GAS FR YERS - ELECTRICAL OPERAT ION F25125 (March 2003) Page 15 of 24 ELECTRICAL OPERATION COMP ONENT FUNCTION FRYER CONTROLS C o n t r o l T h e r m o s t a t ........... Regulates shortening temperature at t he selected set point. Temperature range from off to 200 / F thru 400 / F. T h e r m o p i l e .................. W hen heated by [...]

  • Page 16

    GR SERIES GAS FR YERS - ELECTRICAL OPERAT ION F25125 (Marc h 2003) Page 16 of 24 GR35 NON FIL TER READY SHOW N GR45 FILTER READY SHOWN 2GR45F KLEENSCREEN FRYER BATTERY SHOWN COMP ONENT LOCA TI ON[...]

  • Page 17

    GR SERIES GAS FR YERS - ELECTRICAL OPERAT ION F25125 (March 2003) Page 17 of 24 SEQUENCE OF OPERA TION Millivolt Contr ols Refer to schematic diagram 7825. 1. Conditions. A. G as shutoff valve(s) on and gas combination valve k nob/extension arm in the on position. B. Short ening at proper level in fry tank and below last set point t emperature used[...]

  • Page 18

    GR SERIES GAS FR YERS - ELECTRICAL OPERAT ION F25125 (Marc h 2003) Page 18 of 24 SCHEMATIC DIA GRA M Milliv olt Controls[...]

  • Page 19

    GR SERIES GAS FR YERS - ELECTRICAL OPERAT ION F25125 (March 2003) Page 19 of 24 WIRING DI A GRA M S Millivolt Contr ols[...]

  • Page 20

    GR SERIES GAS FR YERS - ELECTRICAL OPERAT ION F25125 (Marc h 2003) Page 20 of 24 Junctio n Box, Kl eenscreen Fil tering System[...]

  • Page 21

    GR SERIES GAS FR YERS - ELECTRICAL OPERAT ION F25125 (March 2003) Page 21 of 24 Frymate (Dump Sta tion)[...]

  • Page 22

    GR SERIES GAS FR YERS - TROUBLESHO OT ING F25125 (Marc h 2003) Page 22 of 24 TROUBLESHOOTING A LL M ODELS SYMPTOMS POSSIBLE CA USES Pilot burner will not light. 1. Gas s upply off . 2. High limit ther m ostat open or m alf unction. 3. I ncorrect gas type. 4. Pilot burner flame adjustment too low. 5. Pilot burner orifice obstructed or i ncorrect . 6[...]

  • Page 23

    GR SERIES GAS FR YERS - TROUBLESHO OT ING F25125 (March 2003) Page 23 of 24 FRYMATE (DUMP STA TION) WITH OPTIONAL HEA TER SYMPTOM POSSIBLE CA USES No heat. 1. Unplugged. 2. Power switch off or inoperative. 3. Main circuit break er of f or open. 4. Malfunctioning heat as sem bly. KLEENSCREEN FILTERING SYSTEM SYMPTOM POSSIBLE CA USES Oil not filterin[...]

  • Page 24

    GR SERIES GAS FR YERS - CONDENSED SPARE PARTS LIST F25125 (Marc h 2003) Printed in U.S.A. CONDENSED SPARE PARTS LIST KLEENSCREEN FILTER PART NUMBER DESCRIPTION NOTES 411496-B4 Lighted Rocker Switch, Filt er 417792-1 Pump and Motor Assy , Filter (120VAC) GR SERIES GA S FRYERS WI TH M ILLI VOLT CONTROL PART NUMBER DESCRIPTION NOTES 419999-2 Therm ost[...]