Vulcan-Hart ECO2C manuale d’uso

A produc t of VULCAN- HART LOUI SVI LLE , KY 40201- 0696 For m 24575 ( 12/ 96) - NOT ICE - T hi s Man ual is p repared for t he u se of t ra i n e d V ul can S ervice Technic ians and s hould not be us ed by those not pr oper ly qu ali fied . I f you have at tend ed a V ul can Servi ce Sc hool for this produc t, y ou ma y b e q ua lifie d to pe rf [...]

HALF-SIZE CONVECTION OVENS 2 T A BLE OF CONTENTS G E N E R A L ............................................................................. 3 Int roduct ion ....................................................................... 3 S p e c i f i c a t i o n s ..................................................................... 3 G a s O v e n s ..[...]

HALF-SIZE CONVECTION OVENS - GENERAL 3 GENE RA L INTRODUCTION Gene ra l Thi s manual w ill co v er h a lf-s ize e le ct ric and gas conv ect ion ov ens that use eit her a soli d s tate c ontrol or an el ect roni c contr ol. Proc edur es i n t hi s m anual ar e appl i cabl e to bot h gas and elect ri c ov ens unless s pecif i ed. SPECIFIC A T IONS G[...]

HALF-SIZE CONVECTION OVENS - REMOVAL AND REPL ACEMENT OF PARTS 4 REM OVA L A ND REPLA CEM ENT O F PA RT S COVER S A ND PA NELS WA RNING: DISCONNECT THE ELECTRICAL POW ER TO THE MACHINE AT T HE MAI N CI RCUIT BOX. P LACE A T A G O N THE CI RCUIT BOX INDI CA T ING THE CI RCUIT I S BE I NG SE RV I CED. WA RNING: SH UT OFF T HE GAS BEFORE SERVI CING TH[...]

HALF-SIZE CONVECTION OVENS - REMOVAL AND REPL ACEMENT OF PARTS 5 CONTROL PA NEL COM PONE NT S Re mov a ble C om ponent s Lis te d on the illu s tra tio n . Proc e dure WA RNING : UNPLUG UNIT BEFORE SERVICING. 1. Rem ov e t he cont r ol panel as outl i ned under "COVERS AND PAN ELS". 2. Disconnec t the wi re l eads at t he com ponent t o b[...]

HALF-SIZE CONVECTION OVENS - REMOVAL AND REPL ACEMENT OF PARTS 6 BLOWER AND/OR BLOWER MOTOR WA RNING : UNPLUG UNIT BEFORE SERVICING. 1. Rem ov e r ac k s and the r i ght r ac k support. 2. Rem ov e baf f l e panel by l i f t i ng up and out . 3. For gas ov ens only, rem ov e the heat ex changer as outl i ned under “ HEAT EXCHAN GER ” . 4. Loose[...]

HALF-SIZE CONVECTION OVENS - REMOVAL AND REPL ACEMENT OF PARTS 7 OVEN DOOR Removal WA RNING: UNPLU G UNIT BEFORE SERVICING. 1. Rem ov e t he top f ront c ov er as outli ned under "COVERS AND PAN ELS". 2. Re m o v e th e door s w itch le ver fro m th e door shaft . 3. Rem ov e t he door sw it ch brac k et . 4. W hi le support ing t he door[...]

HALF-SIZE CONVECTION OVENS - REMOVAL AND REPL ACEMENT OF PARTS 8 DOOR SWITCH WA RNING: UNPLU G UNIT BEFORE SERVICING. 1. Rem ov e t he top f ront c ov er as outl i ned under "COVERS AND PAN ELS". 2. Disconnec t the l eads to the door swit c h. 3. Rem ov e t he sw it c h whic h is secured by t wo scr e ws. 4. Rev er se the pr ocedure t o i[...]

HALF-SIZE CONVECTION OVENS - REMOVAL AND REPL ACEMENT OF PARTS 9 BURNER (GA S OV ENS ) WA RNING: UNPLU G UNIT BEFORE SERVICING. WA RNING: SHUT OFF T HE GAS BEF O RE SERVICING THE UNIT. 1. Rem ov e r ac k s and the r i ght r ac k support. 2. Rem ov e baf f l e panel by l i f t i ng up and out . 3. Rem ov e t he ri ght si de panel as outl i ned under[...]

HALF-SIZE CONVECTION OVENS - REMOVAL AND REPL ACEMENT OF PARTS 10 HEA TIN G ELEMENT S (ELE CTRIC OVE NS) WA RNING: DISCONNECT THE ELEC TRICAL POW ER TO THE MACHINE AT THE MAIN CIRCUI T BO X. P LA CE A T AG O N THE CI RCUIT BOX INDI CAT I NG T HE CI RCUIT IS B E I NG SERVICED. 1. Rem ov e r ac k s and the r i ght r ac k support. 2. Rem ov e baf f l [...]

HALF-SIZE GAS CONVECTIO N OVENS - SERVICE PROCEDUR ES AND ADJU STMENTS 11 SERV ICE P ROCEDURE S A ND A DJUSTM ENT S WA RNING: CER TAIN PR OC ED UR ES IN TH IS SE CTION RE QUIR E E LE CTR ICA L TE ST OR MEASUREMENTS W HILE POW ER IS APPLIED TO THE MACHINE. EXER CISE EXTREME C AUTION AT ALL TIMES. I F TEST POI NT S ARE NOT EASI LY ACCESSIBLE, DISCONN[...]

HALF-SIZE GAS CONVECTIO N OVENS - SERVICE PROCEDUR ES AND ADJU STMENTS 12 GA S PRESSUR E AD J U S T M E N T WA RNING: UNPLU G UNIT BEFORE SERVICING. WA RNING: SHUT OFF THE GAS BEF O RE SERVICING THE UNIT. 1. Rem ov e t he ri ght si de panel and cont rol panel as outl i ned under “ COVERS AND PANELS ” . 2. Rem ov e t he pl ug f rom the t est por[...]

HALF-SIZE GAS CONVECTIO N OVENS - SERVICE PROCEDUR ES AND ADJU STMENTS 13 ELE CTRONIC CONTROL SPECIAL KEY FUNCT IO NS - To a ctiv ate th es e f unct i ons press the specif i ed keys whil e tur ni ng t he ov en on. You can not toggl e bet ween f unct i ons. Each f unc t i on has to be ent ered f r om t he of f posit ion. NOT E : Ther e ar e f our hi[...]

HALF-SIZE GAS CONVECTIO N OVENS - SERVICE PROCEDUR ES AND ADJU STMENTS 14 SOLID STATE CONTROL TEST NOT E : Ov en t em per at ure m ust be bel ow 450 F. 1. Rem ov e t he screws f r om t he cont r ol panel and pull t he c ont rol panel away f rom t he ov en to access the cont r ol wiri ng. 2. Pl ace a ther m oc oupl e i n the geom et ri c cent er of [...]

HALF-SIZE GAS CONVECTIO N OVENS - SERVICE PROCEDUR ES AND ADJU STMENTS 15 8. If t he av erage t em per at ure di f f ers m ore t han 10 degrees F f rom t he di al sett i ngs: A. Penci l m ark t he knob poi nter posi t i on as a ref erenc e poi nt on t he cont r ol panel nex t to t he di al pl at e. B. Rem ov e the t em peratur e contr ol k nob. C. [...]

HALF-SIZE GAS CONVECTIO N OVENS - SERVICE PROCEDUR ES AND ADJU STMENTS 16 DO OR REVER SA L WA RNING: DISCONNECT THE ELEC TRICAL POW ER TO THE MACHINE AT THE MAIN CIRCUI T BO X. P LA CE A T AG O N THE CI RCUIT BOX INDI CAT I NG T HE CI RCUIT IS B E I NG SERVICED. 1. Rem ov e t he door as outl i ned under “ O VEN DOOR ” . A. Rem ov e the door str[...]

HALF-SIZE GAS CONVECTIO N OVENS - SERVICE PROCEDUR ES AND ADJU STMENTS 17 DOOR A DJUSTM E NT WA RNING: UNPLU G UNIT BEFORE SERVICING. 1. The door shoul d be par al l el wit h the f ac e of the ov en c av i t y . 2. If adj ustm ent i s needed: A. Rem ov e the t op f ront c ov er as outl i ned under “ COVERS AND PANELS ” in “ REMOVAL AND R EPLA[...]

HALF-SIZE CONVECTION OVENS - ELECTRICAL OPERATION 18 ELECT RICA L O PERA TIO N COM PONE NT FUNCTION P O W E R S W I T C H ............. C o n t r o l s p o w e r t o o v e n . C O O L D O W N S W I T C H ......... P r e v e n t s heaters f rom oper at i ng and al l ows f an t o run. ( O n some sol i d stat e contr ol m odel s, t hi s sw it c h i s [...]

HALF-SIZE CONVECTION OVENS - ELECTRICAL OPERATION 19 COM PONE NT LOCA TION[...]

HALF-SIZE CONVECTION OVENS - ELECTRICAL OPERATION 20 SEQU ENC E OF OPER A T ION Ignition Module 1. 24VAC supplied to igni t i on m odule as de scri bed under ove n se que nce of operation A. 15 second prepurge pe riod 1) No-i gnit ion l i ght i s on 2) Cavit y blower m ot or r em oves any residual gas f r om com bust i on cham ber B. 10 second spar[...]

HALF-SIZE CONVECTION OVENS - ELECTRICAL OPERATION 21 6. Temperature is sat i sf ied and control cont acts 6/ 7 open A. Heat li ght goes out. B. Power re m oved from i gnit i on tr ansf or m er. 7. Igni t i on m odule de-e ne rgize d A. G as val ve de -ene rgize d, gas supply t o bur ner off. 8. Oven cycles on solid stat e control unt i l power swit[...]

HALF-SIZE CONVECTION OVENS - ELECTRICAL OPERATION 22 5. After verifi cati on of heat m ode and door closed: A. I gni t ion t r ansf or m e r pri m ary powere d: wir e #26/43; J2- 13; J2- 15; J1- 5; wi r e #5; BK/BL wire ; W H/B K wire ; wire # 7; J1 -7; w ire #2; J1- 2; W ir e #2; L2 1) 24 VAC from secondary of i gnit i on transf orm er to i gni ti[...]

HALF-SIZE CONVECTION OVENS - ELECTRICAL OPERATION 23 5. After verifi cati on of cooldown m ode: A. Soli d stat e relay e ne rgized: 16 to 18 VDC output on J2- 11; J1- 20; wi r e #20; wir e #19; J1-19; J2- 10 1) Bl ower m ot or ene rgize d: wir e #26/4; J1- 4; wir e #4/34; ss r elay contact s;; wi r e # 9; J1-9; wi r e #11; J1-11; wi r e #11; wir e [...]

HALF-SIZE CONVECTION OVENS - ELECTRICAL OPERATION 24 4. Buz ze r sounds: wire #34/64; t im er contact s 1/ 4; wi r e #66; wir e #65/37 5. Time r turn e d to o ff. A. Contact s 1/ 4 open 1) buzze r de -ene rgize d Cooldown (E lec /Solid S ta te Cont rol) NOT E: Use EC O2D S ch e matic 1. Conditi ons A. Cooking com pl ete d, oven te m peratur e ne e [...]

HALF-SIZE CONVECTION OVENS - ELECTRICAL OPERATION 25 Cook 1. Conditi ons A. O ven has reache d se t temperatur e in heat m ode 2. Ti m e is se t and star t key pre sse d. 3. O ven cycle s at set temperature. NOT E: I n pul se m ode (i ni t i ated at the be ginni ng of the bake cycle), the blowe r m otor i s operated in 45 se cond cycles, with t he [...]

HALF-SIZE CONVECTION OVENS - ELECTRICAL OPERATION 26 SCH EMA T ICS G A S OVENS GCO2D[...]

HALF-SIZE CONVECTION OVENS - ELECTRICAL OPERATION 27 GCO2C[...]

HALF-SIZE CONVECTION OVENS - ELECTRICAL OPERATION 28 W I RI NG DIA GRA M - GA S OVEN S GCO2D - Control S ecti o n[...]

HALF-SIZE CONVECTION OVENS - ELECTRICAL OPERATION 29 GCO2D - Oven Secti o n[...]

HALF-SIZE CONVECTION OVENS - ELECTRICAL OPERATION 30 GCO2C - Control S ecti o n[...]

HALF-SIZE CONVECTION OVENS - ELECTRICAL OPERATION 31 GCO2C - Oven Secti o n[...]

HALF-SIZE CONVECTION OVENS - ELECTRICAL OPERATION 32 SCH EMA T IC- ELEC T RIC OVEN S ECO 2D[...]

HALF-SIZE CONVECTION OVENS - ELECTRICAL OPERATION 33 ECO 2C[...]

HALF-SIZE CONVECTION OVENS - ELECTRICAL OPERATION 34 W I RI NG DIA G RA M E L E CTRIC OVE NS ECO2 D - C ontrol Se ct ion[...]

HALF-SIZE CONVECTION OVENS - ELECTRICAL OPERATION 35 ECO2D - Oven Secti on[...]

HALF-SIZE CONVECTION OVENS - ELECTRICAL OPERATION 36 ECO2 C - C ontrol Se ct ion[...]

HALF-SIZE CONVECTION OVENS - ELECTRICAL OPERATION 37 ECO2C - Oven Secti on[...]

HALF-SIZE CONVECTION OVENS - ELECTRICAL OPERATION 38 TROUBLESHOOTING ELECT R IC OVEN S SYMPT OM POSSIBLE CAUSES No power to ov en c ont rol s. 1. Mai n breaker open. 2. Control ci rc ui t f uses open. 3. 12/6 v ol t t ransf orm er i noperat iv e. (El ect roni c contr ol) No ov en oper at i on; power to cont r ol s. 1. Door sw it ch open. 2. Tem p. [...]

HALF -SIZ E CONVECT I ON OVENS - TRO UBLESHOO TING 39 GA S OVENS SYMPT OM POSSIBLE CAUSES No power to ov en c ont rol s. 1. Uni t unplugged 2. Power sw itc h i noperat i v e. 3. 12/6 v ol t t ransf orm er i noperat iv e. (El ect roni c contr ol) No ov en oper at i on; power to cont r ol s. 1. Door sw it ch open or i noperat i v e. 2. Sol id stat e [...]

For m 24575 ( 12/ 96) Printed in U.S.A.[...]