Moffat turbofan 30D Series Service Manual
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Moffat turbofan 30D Series Service Manual

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30DSERIES
E 3 1 D 4
( D i g i t a l O p e r a t i o n )
S e r v i c e M a n u a l
Monday, 4 August 2014
Amendment 9

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  • Page 1 30DSERIES E 3 1 D 4 ( D i g i t a l O p e r a t i o n ) S e r v i c e M a n u a l Monday, 4 August 2014 Amendment 9...
  • Page 2 The reproduction or copying of any part of this manual by any means whatsoever is strictly forbidden unless authorized previously in writing by the manufacturer. In line with policy to continually develop and improve its products, Moffat Ltd. reserves the right to change the specifications and design without prior notice.

  • Page 3: Table Of Contents

    Contents List E31 Turbofan Convection Oven. Model Numbers Covered in this Manual E31D4 - Turbofan Oven - 4 Tray Convection Oven. 1. Specifications ....................2 2. Installation ......................3 Installation Requirements Unpacking Location Clearances Stand Mounted Ovens Electrical Connection Positioning and Levelling of Oven Initial Start-Up 3.

  • Page 4: Specifications

    Specifications E31D4 Oven Tray Details Oven Power Ratings Tray Capacity Tray Spacing 208V, 1P+N+E, 50/60HZ, 2.9 kW 4 x GN 1/1 Pan 220V, 1P+N+E, 50/60HZ, 3.1 kW 80 mm / 3 ” 4 x US ½ Pan 230-240V, 1P+N+E, 50/60HZ, 3.1 kW...

  • Page 5: Installation

    Installation Installation Requirements Important:  Installation shall comply with local electrical, health and safety requirements.  It is most important that this oven is installed correctly and that oven operation is correct before use.  If you have any questions regarding the proper installation and / or operation of this oven, please contact your local Turbofan distributor.

  • Page 6: Electrical Connection

    Installation Electrical Connection Warning This oven must be earthed / grounded. If the supply cord is damaged, it must be replaced by a suitably qualified person in order to avoid a hazard. Each oven should be connected to an adequately protected power supply and an isolation switch mounted adjacent to, but not behind the oven and must be readily accessible to the operator.

  • Page 7: Operation

    Operation Operation Guide Warning Warning Take care when opening oven door during baking. Let hot air and steam escape Some parts of this oven will become VERY before removing or replacing food as the HOT during use and could cause burns if steam produced can cause steam burns.

  • Page 8: Setting The Operator Accessible Parameters

    Operation Setting the Operator Accessible Parameters With the Oven in ‘Stand-By’ mode:- ENTER THE OPERATOR PARAMETER MODE. Press 'Grill / Broil' and 'Start / Stop' buttons together. ‘Temperature’ Display will show ‘PAS’. The ‘Time’ Display will flash. SET PASSWORD Rotate ‘Timer Control’ to set password; (123) (Operator Password).

  • Page 9: Setting The Oven Programs

    Operation Setting the Oven Programs Oven can be pre-programmed with up to 20 Program’s. When you receive your oven, the controller is not programmed. To set programs, carry out the following for each program required:- ENTER PROGRAMMING MODE. Press ‘Programs’ button to enter ‘Programming’ mode.

  • Page 10: Fault Finding

    Fault Finding OPERATIONAL FAULTS OTHER FAULT FUNCTIONS CAUSE INDICATORS Not plugged in. Power supply switch off. Oven not operating No oven functions possible. Fuse blown or Circuit breaker tripped. Power cord damaged. No power to transformer. Overtemp tripped. Controller ‘Off’ Power to oven ‘On’...

  • Page 11: Component Testing

    Fault Finding COMPONENT TESTING ITEM CONDITION TESTING FOR REPLACE Oven power OFF. Continuity through switch. If open circuit. Overtemp (Push Reset). Voltage at Overtemp. Check power to switch and power out of switch. If no power out. Transformer Voltage at Transformer. With controller connected 12Vac output.

  • Page 12: Service Procedures

    Service Procedures 5.1 Access ....................... 10 5.1.1 Control Panel 5.1.2 Overtemp 5.2 Replacement ....................12 5.2.1 Controller 5.2.2 Encoder 5.2.3 Transformer 5.2.4 Relay 5.2.5 Overtemp 5.2.6 Door Microswitch 5.2.7 Fan Motor 5.2.8 Temperature Probe 5.2.9 Element Top 5.2.10 Element Bottom 5.2.11 Door Inner Glass 5.2.12...

  • Page 13: Access

    Service Procedures 5.1 Access 5.1.1 Control Panel 1. Remove screw on underside of control panel. 2. Lift panel up to unhook at top. Screw 5.1.2 Overtemp 1. Locate the overtemp reset button on the rear underside of the oven. 2. Push in centre plunger to reset. Overtemp Reset Button...

  • Page 14: Replacement

    Service Procedures 5.2 Replacement 5.2.1 Controller 5.2.3 Transformer 1) Remove control panel (refer 5.1.1). 1) Remove control panel (refer 5.1.1). 2) Disconnect cables (7). 2) Disconnect power from transformer (2 yellow wires). 3) Undo securing nuts (8) 7mm, 9/32”. 3) Remove back panel. 4) Disconnect power to transformer.

  • Page 15: Overtemp

    Service Procedures 5.2.5 Overtemp 5.2.6 Door Microswitch 1) Remove back panel. 1) Remove back panel. 2) Remove wires from overtemp. 2) Remove wires from switch. 3) Unhook back of phial from holder inside oven. 3) Remove switch. 4) Check adjustment when new switch fitted. Unhook phial 5.2.7 Fan Motor...

  • Page 16: Temperature Probe

    Service Procedures 5.2.8 Temperature Probe 5.2.10 Bottom Element 1) Remove control panel (refer 5.1.1). 1) Remove back panel. 2) Remove probe connection from controller. 2) Remove element wires from terminals. 3) Remove bottom element cover and baffle plate. 4) Remove securing screws. Probe connection Element screws 3) Remove back panel.

  • Page 17: Door Removal

    Service Procedures 5.3 Adjustments 5.2.12 Door Removal 5.3.1 Door Microswitch 1) Remove inner door glass (refer 5.2.11). 1) Remove back panel. 2) Whilst supporting the door, unscrew and remove 2) Bend activation arm so switch open circuits when the top door pivot bolt from the top door hinge door is open.

  • Page 18: Controller Parameters

    Service Procedures 5.4 Controller Parameters 5.4.1 Controller Parameters 1) With the controller off, press Grill/Broil and Start/ Stop for 5 seconds. Is displayed in the Temperature display. 3) Turn the timer encoder knob until displayed in the Timer Display. 4) Push the Light button to enter. 5) Temperature display indicates current parameter, Timer display indicates the parameter value.

  • Page 19: Electrical Schematics

    Electrical Schematics Electrical Schematic E31D4 Turbofan Oven 208V, 50/60Hz. 220V, 50/60Hz. 230-240V, 50/60Hz...

  • Page 20: Wiring Diagrams

    Wiring Diagram 208V, 50/60Hz. Wiring Diagram E31D4 Turbofan Oven 220V, 50/60Hz. 230-240V, 50/60Hz...

  • Page 21: Replacement Parts List

    Replacement Parts List Outer Assembly Item Part No Description *RPL M233164 WRAPPER E31 M232680 OVEN VENT REAR COVER M233161 REAR PANEL E31 M232379 ADJUSTABLE FOOT 3” / 76mm M232380 FOOT O-RING M234574 DOOR ASSEMBLY E31D (COMPLETE) *Recommended Parts Level Number of units in service 5-10 10-50...
  • Page 22 Replacement Parts List Elements & Motor *Recommended Parts Level Number of units in service 5-10 10-50 Item Part No Description *RPL M234462 OVEN ELEMENT TOP 230-240V - ALL M234463 OVEN ELEMENT TOP 208-220V - US, CAN M233862 MICROSWITCH M235126 MICROSWITCH RETURN SPRING (NOT SHOWN) (From Lot # 10400001) M013431K FAN MOTOR KIT (208 / 240V, 50 / 60HZ) M013432...
  • Page 23 Replacement Parts List Oven Racks & Lamps Item Part No Description *RPL M234204 SIDE RACK LH E31 M004595 FAN BAFFLE E31 M003002 OVEN LAMP LENS M231814 LAMP G9/25W 230V HALOGEN M234048 LAMP ASSEMBLY G9/25W COMPLETE M234205 SIDE RACK RH E31 M234206 BOTTOM ELEMENT GUARD M233567...
  • Page 24 Replacement Parts List Gear Plate Item Part No Description *RPL M234429 TRANSFORMER 208/240V x 12VAC SEC 20VA M024562 RELAY 25A DPDT M026160 TERMINAL BLOCK M233870 CABLE ENTRY CLAMP M233871 CABLE ENTRY SCREW *Recommended Parts Level Number of units in service 5-10 10-50...
  • Page 25 Replacement Parts List Door *Recommended Parts Level Number of units in service 5-10 10-50 Item Part No Description *RPL M234579 DOOR HANDLE E31 M234930 DOOR HINGE KIT (Includes top and bottom hinges ) M234752 HINGE PIVOT KIT (Include pivot pin, pivot bush and washer) M234725 DOOR CATCH BLANKING PLATE M041045 SCREW 8x3/8"...
  • Page 26 OVEN TEMPERATURE PROBE Kit M236256 DIGITAL CONTROL KIT (D-Series) M234450 ENCODER M234436 CONTROL PANEL LAMINATED E31D M234447 KNOB INDEX M233865 BADGE MOFFAT M233867 BADGE BLUESEAL UK, CAN M228132 BADGE CLIP *Recommended Parts Level Number of units in service 5-10 10-50...

  • Page 27: Accessories

    Accessories SK STANDS DSK Double Stacking Kits SK2731N — Stand for E31 810mm/32”(W) x 650mm/25½”(D) x 900mm/35½”(H) Accepts EN 600x400 or GN1/1 pans SK2731U — Stand for E31 810mm/32”(W) x 650mm/25½”(D) x 900mm/35½”(H) Accepts US ½ and US full pan...

  • Page 28: Appendix 1 - Oven Door Reversal

    Appendix 1 - Oven Door Reversal Reversing the Oven Door 11. Remove inner glass latching studs and fit to opposite  Refit all screw fasteners using a low-mid strength side of door using Loctite thread locking adhesive unless otherwise stated. 243 to secure.
  • Page 29 Appendix 1 - Oven Door Reversal 18. Remove Blanking Screw and Door Catch from front of Adjust Door for Correct Alignment. oven and swap around (refer ‘Adjusting Door Catch’). Check alignment and operation of the door. Ensure that the door is correctly aligned horizontally and vertically. Door Catch Blanking Screw 1.

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