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Moffat turbofan E25 Service Manual Download Page 17

Revision 6/F3501 

© 

Moffat Ltd, August 2006 

E25 Convection Oven 

-17- 

6.4 ADJUSTMENT 

/ CALIBRATION ..........................................................................................28 

 

 6.4.1 Thermostat 

Calibration (E25)...............................................................................28 

 6.4.2 Thermostat 

Calibration (E25B) ............................................................................28 

 6.4.3 Door 

Microswitch Adjustment ..............................................................................29 

 

6.4.4 

60 Minute Timer Zero Position Adjustment..........................................................29 

Summary of Contents for turbofan E25

Page 1: ...Revision 6 F3501 Moffat Ltd August 2006 E25 Convection Oven 1 SERVICE MANUAL E25 CONVECTION OVEN E25MS CONVECTION OVEN...

Page 2: ...Revision 6 F3501 Moffat Ltd August 2006 E25 Convection Oven 2 WARNING ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY QUALIFIED PERSONS ONLY...

Page 3: ...ual gives a full explanation as to how and what effects will result SECTION PAGE NO 1 SPECIFICATIONS 5 2 INSTALLATION 7 3 OPERATION 8 3 1 Description of Controls E25 3 2 Description of Controls E25B 3...

Page 4: ...1 PARTS DIAGRAM 38 11 1 Main Assembly E25 11 2 Main Assembly E25B 11 3 1 Control Panel Assembly E25 11 3 2 Control Panel Assembly E25B 11 4 1 Control Panel Assembly E25MS 11 4 2 Control Panel Assembly...

Page 5: ...720 E 1 124 395 600 111 45 E 1 430 FRONT PLAN SIDE 1 SPECIFICATIONS MODEL E25 E25B LEGEND Electrical connection entry point Dimensions shown in millimetres Dimensions in inches shown in brackets 45 1...

Page 6: ...K SIZE Width 460 mm 18 Depth 370 mm 14 5 ELECTRICAL SUPPLY SPECIFICATION OPTIONS E25 100 120V ac 60Hz 13 3A 1 6kW 120V 220 240V ac 50 60Hz 8 5A 2 05kW 240V E25B 100 120V ac 60Hz 17 1A 2 05kW 120V ELEC...

Page 7: ...BEFORE USE Operate the oven for about 1 hour at 200 C 400 F to remove any fumes or odours which may be present ELECTRICAL CONNECTION E25 convection ovens are supplied with pre fitted cords Ensure unit...

Page 8: ...dicator illuminates when elements are cycling ON to maintain set temperature 3 BAKE TIMER 1 Hour bake timer Indicator illuminates when time up 0 reached and buzzer sounds 4 LIGHT SWITCH Push switch to...

Page 9: ...ON to maintain set temperature BROIL POSITION E25B Only The BROIL indicator will illuminate indicating that the BROIL function has been set The HEATING indicator will also illuminate whenever the ele...

Page 10: ...lary type thermostat which can be set to a required cooking temperature The E25B also features a Broil position to provide top browning or broiling in the oven The E25 has an element coiled around the...

Page 11: ...il element to continue to operate with the oven door open and fan off When the thermostat cycles On it provides power to the coil of the heating relay When the heating relay switches the normally open...

Page 12: ...o disengage location pin at front of side and pull rack forward to remove To replace engage rack in rear holes swing towards side of oven to engage in front hole and replace thumbscrew FAN BAFFLE To r...

Page 13: ...lt diagnosis 6 1 2 Wiring Close door Adjust Refer service section 6 4 3 Replace Refer service section 6 3 2 Replace Refer service section 6 3 11 Check and tighten any loose wiring OVEN LIGHT NOT ILLUM...

Page 14: ...8 NO TEMPERATURE CONTROL Thermostat faulty Refer fault diagnosis 6 1 8 Heating relay faulty E25B only Refer fault diagnosis 6 1 8 Replace Refer service section 6 3 7 Replace Refer service section 6 3...

Page 15: ...Faulty heating relay Refer fault diagnosis 6 1 14 Replace Refer service section 6 3 8 DOOR DOES NOT CLOSE Tray in way of door Door seal obstruction Door hinges worn Door hinge counter brackets worn C...

Page 16: ...n Overheats in Broil Mode 21 6 1 15 Power Switch Does Not Turn Unit Off 21 6 2 ACCESS 22 6 2 1 Control Panel 22 6 2 2 Service Panel Rear Panel 22 6 2 3 Baffle 22 6 2 4 E25 Control Panel Rear 22 6 2 5...

Page 17: ...d August 2006 E25 Convection Oven 17 6 4 ADJUSTMENT CALIBRATION 28 6 4 1 Thermostat Calibration E25 28 6 4 2 Thermostat Calibration E25B 28 6 4 3 Door Microswitch Adjustment 29 6 4 4 60 Minute Timer Z...

Page 18: ...n motor faulty With door closed check the supply voltage across motor terminals If there is no voltage then check the electrical connections of sup ply wiring If voltage is correct then check the oven...

Page 19: ...5B Set thermostat to 200 C or 400 F With door closed check the voltage out of terminal 2 on the thermostat If there is no voltage then the thermostat is faulty replace If the voltage is correct and th...

Page 20: ...9 If no voltage at 9 check wiring If voltage at 9 correct then check voltage at terminal 6 If no voltage at 6 then relay is faulty replace If voltage at 6 is correct check voltage at terminal 7 If no...

Page 21: ...itch does not latch then the switch is faulty replace With switch unlatched and door open check voltage across terminal 2 to terminal 3 or 4 If there is voltage then the switch is faulty replace Alter...

Page 22: ...2 3 BAFFLE 2 Pull out bottom of control panel and drop down to disengage tabs at top of control panel Figure 6 2 1 2 Remove panel Figure 6 2 2 3 Remove baffle Figure 6 2 3 6 2 4 E25 CONTROL PANEL REA...

Page 23: ...ing their positions Two Screws 6 3 5 BUZZER 1 Remove control panel refer 6 2 1 2 Remove two screws holding buzzer to panel 4 Transfer wires to new buzzer 5 Reassemble in reverse order Figure 6 3 5 2 U...

Page 24: ...6 Insert new thermostat 7 Re assemble in reverse order 3 Transfer wires to new thermostat 4 Remove service panel refer 6 2 2 and from inside of oven loosen two screws holding thermostat phial bracket...

Page 25: ...er the hinge locking notch 2 Replace and re assemble in reverse order NOTE Reassemble with spacer behind fan or Reassemble with one washer behind fan and one washer in front 3 Lift door away from the...

Page 26: ...eir centre point and pull forward until they unclip 3 Refit new seals Note Fit top and bottom seals first with open side of seal facing downwards Fit side seals with open side facing outwards Figure 6...

Page 27: ...bracket refer 6 3 2 Place inside oven 6 Remove two screws securing the lintel support to the oven and remove Two screws Figure 6 3 24 9 Remove two screws securing insulation panel to oven liner Two s...

Page 28: ...N TEMPERATURE NEEDS TO BE DECREASED ENSURE THERMOSTAT IS IN THE MAX TEMPERATURE POSITION BEFORE CARRYING OUT ANY ADJUSTMENT 6 4 ADJUSTMENT CALIBRATION 6 4 1 THERMOSTAT CALIBRATION E25 IMPORTANT IF THE...

Page 29: ...oven thermostat calibration 10 Repeat procedure if necessary Figure 6 4 5 Calibration Nut 6 4 3 DOOR MICROSWITCH ADJUSTMENT 1 Open oven door 2 Open control panel refer 6 2 1 3 With fingers bend actua...

Page 30: ...E25 Convection Oven 30 7 ELECTRICAL CIRCUIT SCHEMATIC 1 3 2 NC NO FAN B OVEN T STAT HEATING 1Hr TIMER SWITCH MICRO SWITCH POWER N TIME UP BUZZER OVEN LIGHT P 1 E L2 L1 FAN ELEMENT 120v 1 55kW 240v 2...

Page 31: ...NC NO FAN B OVEN T STAT HEATING 1Hr TIMER SWITCH MICRO SWITCH ELEMENT 2 00kW POWER N TIME UP BUZZER OVEN LIGHT 1 2 P6 6 P5 5 B A 4 1 6 3 7 9 4 B A 1 6 3 9 7 BROIL BROIL FAN ELEMENT 2 00kW RELAY RELAY...

Page 32: ...rom S N 251948 MAINS TERMINAL BLOCK E N P ELEMENT 4 2 1 3 POWER LIGHTS 1 2 T STAT MICROSWITCH COM NO NC 1 N E P BUZZER EARTH STUD 1 2 3 4 4 5 5 6 6 7 7 8 8 9 9 10 11 12 12 13 13 14 3 1 2 TIMER 3 1 4 2...

Page 33: ...R MAINS TERMINAL BLOCK E N P ELEMENT 4 2 1 3 POWER LIGHTS 1 2 T STAT MICROSWITCH COM NO NC 1 N E P BUZZER EARTH STUD 1 2 3 4 4 5 5 6 6 7 7 8 8 9 9 10 11 12 12 13 13 14 14 15 15 16 16 17 17 18 19 19 21...

Page 34: ...2 E25 110V FAN MOTOR MAINS TERMINAL BLOCK E N P ELEMENT 4 2 1 3 POWER LIGHTS 1 2 T STAT TIMER MICROSWITCH COM NO NC 1 N E P BUZZER EARTH STUD 1 2 3 4 4 5 5 6 6 7 7 8 8 9 9 10 11 12 12 13 13 14 14 15 1...

Page 35: ...7 7 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 18 19 19 20 20 21 21 23 22 23 22 24 25 26 26 27 27 28 29 29 30 30 31 31 32 33 33 34 34 35 35 36 36 37 37 38 MAINS TERMINAL BLOCK E N P ELEMENT 4...

Page 36: ...0 240V 40W Miniature Edison Screw Oven Lamp 110V 40W Edison Screw MOTOR ELEMENTS 023071 Oven Fan Element E25 only 240 volt 023069 Oven Fan Element E25 only 110 volt 023072 Oven Top Element E25B only 1...

Page 37: ...006 E25 Convection Oven 37 10 ACCESSORIES OVEN RACKS PART NO 12809 SCONE TRAYS PART NO 02083 100 MM FOUR INCH FOOT OPTION PART NO 13048 A25 STAINLESS STEEL STAND 25 MM ONE INCH FOOT OPTION PART NO 139...

Page 38: ...Revision 6 F3501 Moffat Ltd August 2006 E25 Convection Oven 38 11 PARTS DIAGRAMS 11 1 MAIN ASSEMBLY E25...

Page 39: ...1 FAN ELEMENT 240V 24 023069 FAN ELEMENT 110V 25 023382 BAFFLE RA 26 023217 DOOR HINGE 27 023282 BOTTOM TRIM 28 023091 GLASS CLAMP ANGLE Refer to section 11 5 for E25MS door 29 023063 INNER GLASS Refe...

Page 40: ...Revision 6 F3501 Moffat Ltd August 2006 E25 Convection Oven 40 11 2 MAIN ASSEMBLY E25B 110V ONLY...

Page 41: ...OR HINGE 29 023282 BOTTOM TRIM 30 023091 GLASS CLAMP ANGLE Refer to section 11 5 for E25MS door 31 023063 INNER GLASS Refer to section 11 5 for E25MS door 32 023062 OUTER GLASS Refer to section 11 5 f...

Page 42: ...CONTROL PANEL BLUE SEAL 004850 CONTROL PANEL MOFFAT 51 021473 POWER SWITCH 240V 51 021514 POWER SWITCH 110V 52 020849 NEON INDICATOR 240V 023857 NEON INDICATOR 110V 53 021472 KNOB 54 020823 KNOB 55 0...

Page 43: ...ASSEMBLY E25B 110V ONLY Pos Part No Description 24 004849 CONTROL PANEL MOFFAT 54 021514 POWER SWITCH 110V 55 023857 NEON 110V 56 020823 KNOB 57 021474 LIGHT SWITCH 58 015822 BUZZER 110V 59 023212 TI...

Page 44: ...ption 1 026487 CONTROL PANEL 2 021514 POWER SWITCH 110V 021473 POWER SWITCH 240V 3 023857 NEON 110V 020849 NEON 240V 4 023211 THERMOSTAT 6 021472 KNOB THERMOSTAT 7 011760 1 HOUR TIMER 9 020823 KNOB TI...

Page 45: ...CONTROL PANEL ASSEMBLY E25BMS Pos Part No Description 1 026487 CONTROL PANEL 2 021514 POWER SWITCH 110V 3 023857 NEON INDICATOR 110V 4 023211 THERMOSTAT 6 021472 KNOB THERMOSTAT 7 011760 1 HOUR TIMER...

Page 46: ...ven 46 11 5 DOOR ASSEMBLY E25MS Pos Part No Description 1 005037 DOOR INNER WA 2 023217 HINGE 3 026485 DOOR OUTER PANEL WA 4 026578 HANDLE STIFFENER 5 026498 DOOR HANDLE PLATED 6 023063 DOOR INNER GLA...

Page 47: ...ALIA MOFFAT PTY 28 Greenhill Rd Tel 08 8274 2116 Wayville SA 5034 Spare Parts Free Call 1800 337 963 Fax 03 9518 3895 WESTERN AUSTRALIA MOFFAT PTY PO Box 689 Tel 08 9305 8855 Joondalup Business Centre...

Page 48: ...s 6 7 Mount St Business Park Tel 0121 327 5575 Mount St Fax 0121 327 9711 Birmingham B7 5QU England UNITED STATES OF AMERICA MOFFAT INC 3765 Champion Blvd Winston Salem Tel 1 800 551 8795 NC27115 Fax...

Page 49: ...the oven wrapper where marked 3 Secure the vent duct to the wrapper with five 3 8 x 8A Pozi screws into these holes 4 Undo the two screws securing the top lintel to the bottom oven and remove the lin...

Page 50: ...using the saddle clamp and two screws NOTE for units manufactured before serial number 224323 the mounting holes for the saddle clamp will need to be drilled Holding the vent pipe vertical position th...

Page 51: ...Revision 6 F3501 Moffat Ltd August 2006 E25 Convection Oven 51...

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