turbofan E20D Series Service Manual
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turbofan E20D Series Service Manual

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20DSERIES
E 2 0 D S e r i e s
( 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
Turbofan E20D Series Convection Ovens
© Copyright Moffat Ltd. 10 February 2016.
Amendment 1

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  • Page 1 ( 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 Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016.
  • Page 2 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. © Copyright Moffat Ltd. February 2016. Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...

  • Page 3: Table Of Contents

    Contents List E20D Series Turbofan Convection Ovens. Model Numbers Covered in this Manual E23D3 - Turbofan Oven - 3 Tray Convection Oven. E27D2 - Turbofan Oven - 2 Tray Convection Oven. E27D3 - Turbofan Oven - 3 Tray Convection Oven.

  • Page 4: Introduc On

    Model Number: If you are unsure of any aspect of the installation, instructions or Serial Number: performance of your oven, contact your TURBOFAN dealer promptly. In many cases a phone call could answer your question. Dealer: Should you contact your TURBOFAN dealer on any matter concerning this oven, please have the information provided opposite, readily available.
  • Page 5 Specifications E23D3 Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...
  • Page 6 Specifications E27D2 / E27D3 Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...
  • Page 7 4 x EN 600 x 400mm Tray E28D4 220V, 1P+N+E, 50-60HZ, 6.0kW E28D4 76mm / 3 ” 4 x US Full Pan 230-240V, 1P+N+E, 50-60HZ, 6.0kW Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...

  • Page 8: Installa On

    For ovens that are to be mounted to a stand, the oven feet are used to level the oven on the stand. Refer to the instructions supplied with separately ordered stands for mounting details. Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...

  • Page 9: Electrical Connec On

    E27D / E28D Ovens. Electrical Connector Block Cable Clamp Power Cable NOTE:  Fixed wiring installations must incorporate an all-pole disconnection switch. Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...

  • Page 10: Opera On

    Press Temp Key to display oven set In Program Mode;- and actual temperature. LED flashes when showing set and actual temp. LED remains ‘On’ when heating element is ‘On’ (Heating Indicator). Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...

  • Page 11: Manual Mode

    (Steam Mode is available by default - to disable the Steam Mode, enter the ‘Operator Settings’ and change the enable steam function ESt to ‘no’. Refer to section ‘Controller Operator Settings’ for further details). Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...

  • Page 12: Changing Operator Se Ngs

    StE = 0 Steam Key operates as a momentary key, steam is injected into oven for as long as the key is pressed. 0 - 5 StE = 1 - 5 Steam Key will start a sequence of steam pulses from 1 to 5. Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...

  • Page 13: Fault Finding

    Check steam output from controller to solenoid. If no output. Replace controller. Oven light not illuminating. Blown bulb. Replace bulb. Blown fuse (E27D3 and E28D4 only). Replace fuse. Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...

  • Page 14: Element Resistance And Current Table

    2800W x 2 230 - 240V 20.5 Ω each 11.7A @ 240V each 17.3 Ω each 12.7A @ 220V each 2800W x 2 208 - 220V Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...

  • Page 15: Service Procedures

    Door Inner Glass ........................... 24 5.1.9 Door Microswitch ..........................25 5.1.10 Oven Light Fixture ..........................26 Adjustment and Calibration 5.2.1 Door Microswitch ..........................28 5.2.2 Temperature Calibration ........................28 Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...

  • Page 16: Control Panel / Controller Front Display Board / Rear Control Board

    To remove the Rear Access Panel:- 1. Remove 4 screws securing the rear vent shroud and remove the shroud. Vent Shroud Remove Screws Rear Control Board Disconnect Ribbon Cable Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...

  • Page 17: Time / Temp Encoders

    Remove Screws Disconnect 5. Unplug cables from encoder Encoder Plug and remove encoder from rear of control panel. 6. Refit in reverse order. Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...

  • Page 18: Capacitor's

    1. Disconnect all electrical connections to the transformer. 2. Undo the 2 screws securing the transformer to rear of oven. 3. Remove the transformer. 4. Refit the replacement transformer in reverse order. Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...

  • Page 19: Overtemp Thermostat / Temperature Probe

    2. Pull phial towards back of oven to remove from front holder. 3. Remove phial through rear of oven. Unhook Phial 4. Remove wires from the overtemp. Disconnect Wires Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...
  • Page 20 Screw 3. Undo the temperature probe securing screw(s). 4. Withdraw probe and cable through the oven cavity and into the oven. Temp Probe Remove 2 Screws Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...

  • Page 21: Fan / Fan Motor

    E28 Fans Fan Securing Nuts Fan Motor (E23 / E27):- 1. Remove the fan baffle securing screw (E27, 2 Screws). E23D Fan Baffle Shown. Remove Screw Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...
  • Page 22 7. Refit oven rear access panel and vent shroud. Fan Puller Bolt Apply Heat in this area. 4. Remove fan puller, fan securing nut and remove the fan. Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...

  • Page 23: Element(S)

    To Replace Heating Element (E23 / E27):- 1. Disconnect element wires from terminals. Disconnect these Wires 2. From inside oven, remove the fan baffle. Fan Baffle Securing Screws Fan Baffle Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...

  • Page 24: Water Solenoid / Spray Nozzle

    E23D Fan Baffle Shown. Remove Screw 4. Turn off water supply to the oven. 5. Disconnect the hose connection to the oven at the oven / water connection point. Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...
  • Page 25 9. At the rear of the oven, refit the rear access panel and the vent shroud. Blanking Solenoid Plate Screws Screws Disconnect these Wires 6. Remove and replace the water solenoid. Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...

  • Page 26: Door Removal / Door Hinges / Door Inner Glass

    2. Using a suitable instrument, move the door lock catches from the unlocked to the locked position to prevent the door Door Lock Catch in from closing. Unlocked Position Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...

  • Page 27: Door Microswitch

    2 Screws NOTE: Check that both Door Lock Catches are in the and vent shroud. ‘Un-Locked’ position before closing the door. 4. Close the oven door. Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...

  • Page 28: Oven Light Fixture

    Support control panel. Bulb Frame Glass 4. Remove the vent shroud and rear access panel. Remove Screws Vent Shroud Lamp Holder Lamp Gasket Just Loosen Screws Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...
  • Page 29 Pull fixture and wires out of oven Plug 7. Refit the oven wrapper, taking note that the bottom of the oven wrapper sits on top of the base panel. Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...

  • Page 30: Adjustment And Calibration

    2. Close door and allow temperature to stabilise. 3. Enter service parameters settings menu on control panel and check P10 ‘Oven Temperature Offset’ (refer to Section 6.1 ‘Viewing / Changing Service Parameters’). Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...

  • Page 31: Service Parameters

    See overleaf for a list of Operator Settings available EXITING THE PARAMETER MODE. Press ‘On-Off’ key, to exit the Parameter Settings Mode and to return to Stand-By Mode. Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...

  • Page 32: Table Of Service Parameters

    P14). (0) Defines the password level of the parameter. S = Service / Factory. U = User. (Password level 321) (Password level 123). Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...

  • Page 33: Electrical Schema

    Electrical Schematics E23D3 / E27D2 - Electrical Schematic Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...
  • Page 34 Electrical Schematics E27D3 - Electrical Schematic Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...
  • Page 35 Electrical Schematics E28D4 - Electrical Schematic MOTOR MOTOR 240V INPUT MOTOR MOTOR HEAT LIGHTS STEAM 240V INPUT DOOR INPUT COMMON Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...

  • Page 36: Wiring Diagrams

    Wiring Diagrams E23D3 Wiring Diagram Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...
  • Page 37 Wiring Diagrams E27D2 - Wiring Diagram Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...
  • Page 38 Wiring Diagrams E27D3 - Wiring Diagram Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...
  • Page 39 Wiring Diagrams E28D4 - Wiring Diagram Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...

  • Page 40: Exploded Parts List

    Number of units in service 232894 DOOR ASSY E27 232895 DOOR ASSY E28 5-10 232667 DOOR SEAL E23 10-50 232666 DOOR SEAL E27 234466 DOOR SEAL E28 Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...
  • Page 41 LAMP BULB G9/25W, HALOGEN 021352 GLASS LENS 021354 GASKET 5-10 021353 SUPPORT FRAME 10-50 234802 FUSE HOLDER - E27D3 ONLY 234803 FUSE 10 AMP - E27D3 ONLY Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...
  • Page 42 LAMP BULB G9/25W, HALOGEN 021352 GLASS LENS 5-10 021354 GASKET 021353 SUPPORT FRAME 10-50 234802 FUSE HOLDER - E28D4 ONLY 234803 FUSE 10 AMP - E28D4 ONLY Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...
  • Page 43 238218 SIDE RACK LH, E28, 600 x 400 232879 FAN BAFFLE E23 5-10 232896 FAN BAFFLE ASSY E27 10-50 232685 FAN BAFFLE ASSY E28 233552 THUMBSCREW Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...
  • Page 44 238895 KNOB STOP PLATE 5-10 238047 ENCODER MOMENTARY 1.1M 238194 DIGITAL CONTROLLER KIT 10-50 238124 CONTROL PANEL LAMINATED E23D 238125 CONTROL PANEL LAMINATED E27D / E28D Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...
  • Page 45 Number of units in service 003397 ELEMENT SPACER PLATED 233293 DOOR HINGE E23 5-10 233294 DOOR HINGE E27 10-50 233295 DOOR HINGE E28 233352 DOOR BOTTOM COVER Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...

  • Page 46: Accessories

    Accepts US ½ and US full pan Accepts US½ pan and EN⅔ tray SK2731N — Stand for E27 / E28 810mm/32”(W) x 650mm/25½”(D) x 900mm/35½”(H) Accepts EN 600x400 or GN1/1 pans Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016. Amendment 1...

This manual is also suitable for:

E23d3E27d2E27d3E28d4

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