CDA HCG 740 Users operating instructions Manuale Utente

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

10 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 th

11 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” a

12 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 positio

13 HCG- 6/11 HCG-10/11 HCG-10/21 HCG-2.10/11 HCG-20/11 HCG-20/21 fig 11 1.- Chamber heating indi

14 6 FUNCTIONAL DIAGRAM (HVG) fig 121- Steam gas valve 2- Convection gas valve 3- Gas duct from steam generator. 4 –Chamber gas duct. 5- Gas duct

15 Description of the most important components in the Convection Ignition System (Forced air burner): VC: Premix centrifugal fan (air blower or sup

16 CN: Water level control. Electronics that control the generator water level. (fig 37 ) BE: This is the spark plug that generates the spark for

17 Blower fan sequence VC Correct ignition. fig 13 Blower fan sequence VC Incorrect ignition. fig 14 Ig nition control (CEC and CEV) fig

18 FUNCTIONAL DIAGRAM HVG and HCG (CONVECTION MODE) fig 17 HVG CONVECTION MODE (30-270ºC) fig 18 CONVECTION MODE 30º-270ºC Convection burne

19 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 STE

2INDEX No. Description page 1 Models and dimensions 3 2 Characteristics 7 3 Location 9

20 HVG MIXED-REFRIGERATION MODES 30º-270ºC fig 21 REGENERATION MODE: - Initial phase: Both burners simultaneously – chimney open. -Temperat

21 7 FIGURES fig 22 DETAILED VIEW OF BURNER, IGNITION SPARK PLUG AND FLAME DETECTOR fig 23 Convection Gas Valve Adjusted according to: -Oven s

22 VR 4605-VA 1041B Valve (Convection Gas Valve) fig 24 Frequency inverter (T-083002) fig 25 fig 26 P.outlet P.inlet Ignition speed

23 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

24 Steam burner Detailed view of steam burner Detail of chimney seal mechanism Detailed view of chimney seal RE1 Energy regulator TV Steam

25 HVG (SIDE VIEW OF ELECTRICAL COMPONENTS) fig 38 Gas intake ¾” Electrical wiring connection inlet

26 HVG (REAR VIEW) fig 39 Soft water connection ¾”

27 8 ELECTRICAL DIAGRAMS AND ASSEMBLY DIAGRAMS Acronyms VF: Frequency inverter VF2: CONTACT INDICATING THAT THE VC BLOWER FAN IS IN OPERATION. V

28

29 fig 40

31 MODELS AND DIMENSIONS fig 1 fig 2

30 fig 41

31 fig 42

32 fig 43

33 9 PREVENTIVE MAINTENANCE In order to guarantee the safe, cost-effective and non contaminating operation of your oven, periodic maintenance is

34 2. STEAM SYSTEM 2.1 Lime scale indicator lamps. If any of these light up, remove scale in oven as follows: 1 Turn off the appliance. 2 Turn

35 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

36 10 TROUBLE SHOOTING EFFECT CAUSE ACTION 1.-Oven does not operate in any mode. Green lamp L1 does not come on.

37 7.- Oven operates for a time and then stops and starts again. 7.1.Motor thermal switch FM 7.1.Check that the three phases are connected correctly

38 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.

39 - 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) Effec

4 fig 3

40 Failure modes on display of electronic chamber thermostat: If the following message appears on the electronic thermostat display: _ _ 0 Th

41 11 PARAMETERS AND ADJUSTMENTS The pressure values in ( mbar) are approximate. These are taken with an input pressure of 29 mbar Butane , 37 mbar

42 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 (mb

43 SPEED SELECTORS S1-S2 OF FREQUENCY INVERTER : 0 0000 800 r.p.m. 8 1000 2500 r.p.m. 1 0001 1

44 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 wa

45 - 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” t

46 Electronic Thermostat (R743013) fig 54 Parameters for distance between Ignition Spark Plug . BD Flame detector with convection burner

47 12 RECOMMENDED SPARES LIST OF RECOMMENDED SPARES IN HVG AND HCG CONVECTION OVENS Z953004 Combustion control S333001 Energy regulator R343

48 ANEXO: TRANSFORMACIÓN A DIFERENTES GASES PROCESO TRANSFORMACIÓN TIPO GAS IMPORTANTE: Para transformar el tipo de gas del horno se requiere cam

49 PIEZAS A CAMBIAR PARA CONVERSION A DIFERENTES GASES Cambiar arandela aire (2) Cambiar válvula gas convección (1)GV1-GV2 Cambiar inyect

5 fig 4 fig 5

50 1º Cambiar válvula de gas convección. 2º Cambiar arandela aire según indica detalle. UBICACION DE LA ARANDELA DE AIRE Válvula Gas C

51 3º Posicionar los interruptores del variador de frecuencia según modelo corresponda tanto en S1 y S2 según tablas. Variador encendido HVG (

52 PARAMETROS Y REGULACIONES Los valores de presión en ( mbar) son orientativos. Estos estan tomados con una presión de entrada de 29 mbar Butano ,

53 Generador vapor Quemador ON Quemador OFF MODELOS Vencendido S1 Vmáxima S2 Ø Arandela de aire Válvula de gas GV1-GV2 Toberas.

54 Generador vapor Quemador ON Quemador OFF MODELOS Vencendido S1 Vmáxima S2 Ø Arandela de aire Válvula de gas GV1-GV2 Toberas.

55 SELECTORES DE VELOCIDAD S1-S2 DEL VARIADOR DE FRECUENCIA : 0 0000 800 r.p.m. 8 1000 2500 r.p.m. 1

57

6 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”.

72 CHARACTERISTICS MODEL HVG-10/11 HVG-10/21 HVG-2-10/11 HVG-20/11 HVG-20/21 HVG-2-20/11 Width X 1060 1180 1060 1180 Depth Y 965 1170 965

8 MODEL HCG-6/11 HCG-10/11 HCG-10/21 HCG-2-10/11 HCG-20/11 HCG-20/21 HCG-2-20/11 Width X 900 900 1020 900 1020 Depth Y 965 965 1170 965 1

9 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 m