Fagor HVG Series Technical Manual
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Fagor HVG Series Technical Manual

Fagor HVG Series Technical Manual

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FAGOR
Industrial S.Coop.
TECHNICAL MANUAL
GAS OVENS
HVG and HCG
NOVEMBER 2001

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  • Page 1 All manuals and user guides at all-guides.com FAGOR Industrial S.Coop. TECHNICAL MANUAL GAS OVENS HVG and HCG NOVEMBER 2001...
  • Page 2 All manuals and user guides at all-guides.com INDEX No. Description page Models and dimensions Characteristics Location Installation Electrical Water inlet Drain Gas inlet Exhaust gas outlet Transformation to different gases Control panel Functional diagrams Figures Electrical and assembly diagrams Preventive maintenance Anomalies Parameters and regulations Recommended parts...

  • Page 3: Models And Dimensions

    All manuals and user guides at all-guides.com 1 MODELS AND DIMENSIONS fig 1 fig 2...
  • Page 4 All manuals and user guides at all-guides.com fig 3...
  • Page 5 All manuals and user guides at all-guides.com fig 4 fig 5...
  • Page 6 All manuals and user guides at all-guides.com fig 6 A.- Soft water inlet RG ¾”. B.- General drain RG 1”. C.- Electrical supply inlet connector. D.- Drain cleaning plug. E.- Gas inlet RG ¾”.
  • Page 7 All manuals and user guides at all-guides.com 2 CHARACTERISTICS HVG-10/21 HVG-20/21 MODEL HVG-10/11 HVG-20/11 HVG-2-20/11 HVG-2-10/11 Width X 1060 1180 1060 1180 Depth Y 1170 1270 Height without chimney W 1635 1635 EXTERNAL Height with chimney Z 1290 1290 2000 2000 DIMENSIONS Width U...
  • Page 8 All manuals and user guides at all-guides.com HCG-10/21 HCG-20/21 MODEL HCG-6/11 HCG-10/11 HCG-2-10/11 HCG-20/11 HCG-2-20/11 Width X 1020 1020 Depth Y 1170 1170 Height without chimney W 1635 1635 Height with chimney Z 1060 1290 1290 2000 2000 EXTERNAL Width U DIMENSIONS Depth V Depth Gas R...
  • Page 9 All manuals and user guides at all-guides.com 3 LOCATION It is recommendable to install the extractor hood to expel fumes to the exterior (see fig 7) On the left- hand side, there must be a minimum space of 50 cm between the oven and the next appliance HVG.

  • Page 10: Installation

    All manuals and user guides at all-guides.com 4 INSTALLATION Before proceeding to install the equipment, make sure that the type of gas set for the oven coincides with the gas supplied in the distribution network. 4.1 Electrical Connection. − The mains voltage must be the one indicated on the characteristics plate. −...
  • Page 11 All manuals and user guides at all-guides.com fig 9 4.3 Drain. The connector hose must be steam resistant (100ºC). 4.4 Gas inlet. The connection will be made with a hose fitted with a ½” and ¾” connection in HVG models. A stop cock and pressure regulator must be installed between the appliance and the gas mains.

  • Page 12: Control Panel

    All manuals and user guides at all-guides.com 5 CONTROL PANEL HVG-10/11 HVG-10/21 HVG-2.10/11 HVG-20/11 HVG-20/21 fig 10 1.- Chamber heating indicator. 15.- Indefinite time fixed position (MANUAL). 2.- Oven ON indicator . 16.- Real temperature at probe core. 3.- Steam generator heating indicator. 17.- Core temperature selector.
  • Page 13 All manuals and user guides at all-guides.com HCG- 6/11 HCG-10/11 HCG-10/21 HCG-2.10/11 HCG-20/11 HCG-20/21 fig 11 1.- Chamber heating indicator. 2.- Oven ON indicator. 3.- Chamber water inlet indicator. 4.- General switch. 5.- OFF position (OFF). 6.- ON position (ON). 7.- Temperature selector.
  • Page 14 All manuals and user guides at all-guides.com 6 FUNCTIONAL DIAGRAM (HVG) 1- Steam gas valve 2- Convection gas valve 3- Gas duct from steam generator. 4 – Chamber gas duct. 5- Gas duct to main cover. 6 -Mixer. 7 -Mixer coupling 8 –...
  • Page 15 All manuals and user guides at all-guides.com Description of the most important components in the Convection Ignition System (Forced air burner): VC: Premix centrifugal fan (air blower or supplier) . (fig 28) This is an air supplier motor for combustion. -VF: Frequency inverter.
  • Page 16 All manuals and user guides at all-guides.com CN: Water level control. Electronics that control the generator water level. (fig 37 ) BE: This is the spark plug that generates the spark for ignition.(fig 31) BD: This is the ionisation flame detector. RE1: Energy regulator.(fig 34) Electro-mechanical component for controlling electrical contacts.
  • Page 17 All manuals and user guides at all-guides.com Blower fan sequence VC Correct ignition. fig 13 Blower fan sequence VC Incorrect ignition. fig 14 Ignition control (CEC and CEV) fig 15 fig 16 CONNECTION IGNITION SEQUENCE ACRONYMS PR FUNCTIONS RESET RESET SPARK FLAME HEATING...

  • Page 18: Functional Diagram

    All manuals and user guides at all-guides.com FUNCTIONAL DIAGRAM HVG and HCG (CONVECTION MODE) fig 17 HVG CONVECTION MODE (30-270ºC) fig 18 CONVECTION MODE 30º-270ºC Convection burner is working. Chimney open.
  • Page 19 All manuals and user guides at all-guides.com FUNCTIONAL DIAGRAM HVG (STEAM MODE 100º C-ADJUSTABLE STEAM MODE 30-100º C) fig 19 HVG STEAM MODES 100ºC- ADJUSTABLE STEAM 30-100ºC fig 20 STEAM MODES 100ºC-ADJUSTABLE STEAM Convection burner is working. Chimney closed.

  • Page 20: Regeneration Mode

    All manuals and user guides at all-guides.com HVG MIXED-REFRIGERATION MODES 30º-270ºC fig 21 REGENERATION MODE: - Initial phase: Both burners simultaneously – chimney open. -Temperature maintenance: Burners cycle alternatively. 1 Convection –chimney open and 2 Steam- chimney closed. (Steam cycles in turn with the RE1 energy regulator 15 sec. ON and 15sec. OFF) MIXED MODE: -Initial phase: Convection burner –...
  • Page 21 All manuals and user guides at all-guides.com 7 FIGURES Convection flame detector spark plug Convection ignition spark plug Convection burner fig 22 DETAILED VIEW OF BURNER, IGNITION SPARK PLUG AND FLAME DETECTOR Convection Gas Valve Gas Valve SIT 830 Adjusted according to: Steam -Oven size GV3-GV4.
  • Page 22 All manuals and user guides at all-guides.com VR 4605-VA 1041B Valve (Convection Gas Valve) P.outlet Air/gas regulation in ignition. (maximum speed) P.inlet Air/gas regulation in ignition. (Offset ) ((+) clockwise) fig 24 Frequency inverter (T-083002) Ignition speed switches Maximum operating speed switches fig 25 Detailed view of frequency...
  • Page 23 All manuals and user guides at all-guides.com DETAILED VIEW OF GAS AIR MIXTURE IN THE CONVECTION IGNITION SYSTEM AT REAR OF OVEN fig 27 DETAILED VIEW OF BLOWER, MIXER AND BURNER SUPPORT BURNER AIR WASHER VC= EBM fan 50/60Hz MIXER fig 28 Diameter 5mm DETAILED VIEW OF WASHER...
  • Page 24 All manuals and user guides at all-guides.com fig 30 fig 31 Steam burner Detailed view of steam burner fig 32 fig 33 Detailed view of chimney seal Detail of chimney seal mechanism fig 35 fig 34 TV Steam thermostat RE1 Energy regulator fig 36 fig 37 TCN Condensation thermostat...
  • Page 25 All manuals and user guides at all-guides.com HVG (SIDE VIEW OF ELECTRICAL COMPONENTS) Electrical wiring connection inlet Gas intake ¾” fig 38...
  • Page 26 All manuals and user guides at all-guides.com HVG (REAR VIEW) Soft water connection ¾” fig 39...
  • Page 27 All manuals and user guides at all-guides.com 8 ELECTRICAL DIAGRAMS AND ASSEMBLY DIAGRAMS Acronyms VF: Frequency inverter CONTACT INDICATING THAT THE VC BLOWER FAN IS IN OPERATION. VF1: CONTACT THAT CLOSES WHEN: -TC = ON -BLOWER SPEED = Slow blower ignition speed. CEC: Convection ignition control.
  • Page 28 All manuals and user guides at all-guides.com...
  • Page 29 All manuals and user guides at all-guides.com fig 40...
  • Page 30 All manuals and user guides at all-guides.com fig 41...
  • Page 31 All manuals and user guides at all-guides.com fig 42...
  • Page 32 All manuals and user guides at all-guides.com fig 43...

  • Page 33: Preventive Maintenance

    All manuals and user guides at all-guides.com 9 PREVENTIVE MAINTENANCE In order to guarantee the safe, cost-effective and non contaminating operation of your oven, periodic maintenance is essential. This allows you to keep it in good condition and prolongs its service life. Maintenance must be done by AUTHORISED TECHNICAL PERSONNEL, at least once a year.

  • Page 34: Steam System

    All manuals and user guides at all-guides.com 2. STEAM SYSTEM 2.1 Lime scale indicator lamps. If any of these light up, remove scale in oven as follows: fig 44 1 Turn off the appliance. 2 Turn the water drainage lever "B". When empty, return the lever to the original position.
  • Page 35 All manuals and user guides at all-guides.com 3 OVEN DOOR 3.5 Seal If this is cracked or damaged, replace. 3.6 Steam leaks If there are any steam leaks, adjust the hinge and hooks 3.7 Door alignment Adjust if necessary. 3.8 Handle If this is loose, tighten or replace.

  • Page 36: Troubleshooting

    All manuals and user guides at all-guides.com 10 TROUBLE SHOOTING EFFECT CAUSE ACTION 1.-Oven does not operate in any mode. 1.1.Door switch IP 1.1.Check – change or adjust Green lamp L1 does not come on. 1.2.Motor thermal switch FM 1.2.Check motor thermal switch wires (grey motor Electronic thermostat display on.
  • Page 37 All manuals and user guides at all-guides.com 7.- Oven operates for a time and then stops and starts 7.1.Motor thermal switch FM 7.1.Check that the three phases are connected correctly again. to motor. 7.1.Check whether there is dampness on external surfaces of motor 7.1.Check that the turbine turns in the correct direction 7.1.Change motor...
  • Page 38 All manuals and user guides at all-guides.com Frequency inverter failure modes T-083002: 1. Single pulse of light in red LED D21(fig 47). Effect: Oven does not ignite. Reset button off. Possible causes: - 1.1 Signal cable between frequency inverter and fan (T-083000) is broken. - (Check connector wires J2 of frequency inverter) connection 1-3 - 1.2 Broken fan card.
  • Page 39 All manuals and user guides at all-guides.com - 4.1 Blower does not work properly. - 4.2 Frequency inverter does not work properly. 5. Five pulses of light on red LED. D21 (fig 47) Effect: The oven operates, but ignition is abrupt. The blower does not reach the minimum ignition speed.
  • Page 40 All manuals and user guides at all-guides.com Failure modes on display of electronic chamber thermostat: If the following message appears on the electronic thermostat display: _ _ 0 Thermocouple or chamber probe cut off. -Check connection between thermocouple and electronic thermostat -Change chamber probe _ _ 1 NTC open.
  • Page 41 All manuals and user guides at all-guides.com 11 PARAMETERS AND ADJUSTMENTS The pressure values in ( mbar) are approximate. These are taken with an input pressure of 29 mbar Butane , 37 mbar Propane and 20 mbar Natural Gas Burner ON Burner OFF (V max) MODEL...
  • Page 42 All manuals and user guides at all-guides.com Steam generator Burner ON Burner OFF MODELS V ignition S1 V maximum S2 Ø Air washer Gas valve GV1-GV2 Nozzles. (Qty=12) P out (mbar) P out (mbar) 0,3:1,1 HVG 10/11 B.P. Ve=2000 rpm V=4000 rpm T-115097 Z-955899...
  • Page 43 All manuals and user guides at all-guides.com SPEED SELECTORS S1-S2 OF FREQUENCY INVERTER : 0000 800 r.p.m. 1000 2500 r.p.m. 1000 r.p.m. 3000 r.p.m. 0001 1001 0010 1200 r.p.m. 1010 3500 r.p.m. 1400 r.p.m. 4000 r.p.m. 0011 1011 1600 r.p.m. 4500 r.p.m.
  • Page 44 All manuals and user guides at all-guides.com Adjusting amount of steam in Mixed and Regeneration Mode. The oven is adjusted for an optimum amount of steam, but if for any reason the user wants more, do the following: 1. Locate the energy regulator RE 1. this is regulated approximately to give 15 seconds of steam and 15 seconds without steam.
  • Page 45 All manuals and user guides at all-guides.com - With SET held down, press “UP” to choose “Cr” parameter on display for K-type thermocouple. (fig 54) Note: If, instead of “Cr” we select “Fe” this corresponds to the black J-type core thermostat (Iron – Costanta). Core probe thermostat fig 52 fig 53...
  • Page 46 All manuals and user guides at all-guides.com Electronic Thermostat (R743013) Blue switch fig 54 Parameters for distance between Ignition Spark Plug . BD Flame detector with convection burner Convection burner The burner seal must not coincide with the BE and BD position fig 55...

  • Page 47: Recommended Spares

    All manuals and user guides at all-guides.com 12 RECOMMENDED SPARES LIST OF RECOMMENDED SPARES IN HVG AND HCG CONVECTION OVENS Z953004 Combustion control S333001 Energy regulator R343072 Level detector R253049 Motor 230-240V 50/60Hz T113030 Function selector switch R743013 Electronic thermostat T113010 50/60Hz chimney motor Z100522...
  • Page 48 All manuals and user guides at all-guides.com ANEXO: TRANSFORMACIÓN A DIFERENTES GASES PROCESO TRANSFORMACIÓN TIPO GAS IMPORTANTE: Para transformar el tipo de gas del horno se requiere cambiar y modificar las siguientes piezas: -1/ Válvula gas convección GV1-GV2. -2/ Arandela de aire. -3/ Posicionar los interruptores S1 y S2 del variador de frecuencia VF según indicaciones tabla de parámetros.
  • Page 49 All manuals and user guides at all-guides.com PIEZAS A CAMBIAR PARA CONVERSION A DIFERENTES GASES Cambiar arandela aire Cambiar válvula gas convección (1)GV1-GV2 Modificar posición en S1 Y S2 los interruptores del variador de frecuencia VF Cambiar inyectores gas quemador del generador vapor (4)
  • Page 50 All manuals and user guides at all-guides.com 1º Cambiar válvula de gas convección. Válvula Gas Convección GV1- Regulada según: -Tamaño horno -Tipo de gas Válvula Gas Vapor GV3-GV4. 2º Cambiar arandela aire según indica detalle. UBICACION DE LA ARANDELA DE AIRE ARANDELA DE AIRE...
  • Page 51 All manuals and user guides at all-guides.com 3º Posicionar los interruptores del variador de frecuencia según modelo corresponda tanto en S1 y S2 según tablas. Variador encendido HVG (T-083002) Conmutadores Conmutadores velocidad velocidad régimen S2 encendido S1 Detalle de los conmutadores del variador de frecuencia .
  • Page 52 All manuals and user guides at all-guides.com PARAMETROS Y REGULACIONES Los valores de presión en ( mbar) son orientativos. Estos estan tomados con una presión de entrada de 29 mbar Butano , 37 mbar Propano y 20 mbar Gas Natural Quemador ON Quemador OFF (V max)
  • Page 53 All manuals and user guides at all-guides.com Generador vapor Quemador ON Quemador OFF MODELOS Vencendido S1 Vmáxima S2 Válvula de gas GV1-GV2 Toberas. (cant=12) P out (mbar) P out (mbar) Ø Arandela de aire 0,3:1,1 HVG 10/11 B.P. Ve=2000 rpm V=4000 rpm Ø18: T-115082 T-115097...
  • Page 54 All manuals and user guides at all-guides.com Generador vapor Quemador ON Quemador OFF MODELOS Vencendido S1 Vmáxima S2 Válvula de gas GV1-GV2 Toberas. (cant=12) P out (mbar) P out (mbar) Ø Arandela de aire HVG 20/11 B.P. Ve=3000 rpm V=6000 rpm Ø22: T-135035 T-135037 Z-955899...
  • Page 55 All manuals and user guides at all-guides.com SELECTORES DE VELOCIDAD S1-S2 DEL VARIADOR DE FRECUENCIA : 800 r.p.m. 2500 r.p.m. 0000 1000 1000 r.p.m. 3000 r.p.m. 0001 1001 1200 r.p.m. 3500 r.p.m. 0010 1010 0011 1400 r.p.m. 1011 4000 r.p.m. 0100 1600 r.p.m.
  • Page 56 All manuals and user guides at all-guides.com...
  • Page 57 All manuals and user guides at all-guides.com...

This manual is also suitable for:

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