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turbofan subway E32SUBC3 Service Manual

Oven and proofer
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E32SUBC3/C4
E
E 3 2 S U B C 3 / C 4
OVEN and PROOFER
S e r v i c e M a n u a l
21 January 2015
Amendment 10

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  • Page 1 E32SUBC3/C4 E 3 2 S U B C 3 / C 4 OVEN and PROOFER S e r v i c e M a n u a l 21 January 2015 Amendment 10...
  • Page 2 MANUFACTURED BY Moffat Limited Rolleston 7675 New Zealand INTERNATIONAL CONTACTS AUSTRALIA Moffat Pty Limited Web: www.moffat.com.au E.Mail: vsales@moffat.com.au Main Office: (tel) +61 (03) 9518 3888 (fax) +61 (03) 9518 3833 Service: (tel): 1800 622 216 Spares: (tel): 1800 337 963 Customer Service: (tel): 1800 335 315...

  • Page 3: Table Of Contents

    Contents 1. Specifications ..................2 2. Installation ..................3 Before Connection to Power Supply. Location. Electrical Connection. Water Connection. Before Use. 3. Operation ................... 5 Oven Digital Controller Layout. Proofer Digital Controller Layout. Oven Operation. Field Adjustable Settings. 4. Cleaning ................... 20 Routine Maintenance.

  • Page 4: Specifications

    Specifications E32SUBC3/C4 Oven and Proofer 735 (28.94") 810 (31.89") 111.5 (4.39") 627.5 (24.70") ELECTRICAL ENTRY COLD WATER CONNECTION * SUPPLIED WITH 2m FLEXIBLE WATER TUBE AND DOUBLE CHECK VALVE 80 min (3.15") MINIMUM INSTALLATION DOOR SWING CLEARANCE 565mm (22.24") REAR VIEW...

  • Page 5: Installation

    Installation Installation Requirements It is most important that this oven / proofer is installed correctly and that operation is correct before use. Installation shall comply with local electrical, health and safety requirements. Before Connection to Power Supply • Remove all packing. •...

  • Page 6: Water Connection

    Installation Connected to Inlet Water Connection Connection on rear of Prover / Holding The Oven / Proofer is fitted with a water filtration Cabinet system. This system will require the Filter Cartridge and the Double Check Valve connecting to the Filter Body. And the filter system connecting to the mains water supply, Follow the instructions Filter Body below to connect up the water filter system.

  • Page 7: Operation

    Operation Description of Controls OVEN - Digital Controller Layout Display Screen A full graphical display screen which will display all relevant information relating to both Oven and Proofer during Operation and Programming Modes:- The left hand Screen - Oven:- Will display all information relating to the oven during Programming and Operation.

  • Page 8: Proofer Digital Controller Layout

    Operation PROOFER - Digital Controller Layout Display Screen A full graphical display screen which will display all relevant information relating to both Oven and Proofer during Operation and Programming Modes:- The right hand Screen - Proofer:- Will display all information relating to the Proofer during Pro- gramming and Operation.

  • Page 9: Oven Operation

    Operation Oven Operation (Flow Chart) TURN ON / PREHEAT SELECT DIFFERENT PROGRAM Press ON / OFF key, Press desired program key e.g. oven will pre-heat to Programme # 1 TEMP STATUS OVEN READY OVEN READY LOAD OVEN LOAD OVEN START START –...

  • Page 10: Field Adjustable Settings

    Operation Field Adjustable Settings Press the Programming Key ‘P’ for 3 seconds to access the Service Menu. The programming light ‘Prog’ will illuminate. The display screen will show the following service menu settings:- 1. Proofer Settings. 2. Recipe. 3. System. 4.
  • Page 11 Operation Service Settings (refer 3.3.5 / 3.3.6 / 3.3.7) Temperature Offset Setting range Default Setting Temp offset oven probe +/-11C Temp offset prover air probe +/-11C Temp offset prover water probe +/-11C Diagnostic Oven probe temp displays current probe reading Proofer probe air temp displays current probe reading Proofer probe water temp...
  • Page 12 Operation Proofer Adjustable Settings 3.3.1 The following Proofer settings are adjustable by the operator:- Press the Programming Key ‘P’ for 3 seconds to access the Service Menu. The programming light ‘Prog’ will illuminate. The display screen will show the following service menu settings:- 1.
  • Page 13 Operation 3.3.2 Oven Recipes The following Oven Recipe settings are adjustable by the Authorised Service Agents:- Press the Programming Key ‘P’ for 3 seconds to access the Service Menu. programming light ‘Prog’ will illuminate. The display screen will show the following service menu settings:- 1.
  • Page 14 Operation 3.3.3 Proofer Recipes The following Proofer Recipe settings are adjustable by the Authorised Service Agents:- Press the Programming Key ‘P’ for 3 seconds to access the Service Menu. programming light ‘Prog’ will illuminate. The display screen will show the following service menu settings:- 1.
  • Page 15 Operation 3.3.4 System The following System settings are adjustable by the Authorised Service Agents:- Press the Programming Key ‘P’ for 3 seconds to access the Service Menu. The programming light ‘Prog’ will illuminate. The display screen will show the following service menu settings:- 1.
  • Page 16 Operation 3.3.4 System (con’t) System Beeper Volume Settings. (cont’d) Press either ‘Left’ or ‘Right’ keys to scroll through the Beeper Volume settings and press the Programming Key ‘P’ to save the change. The Humidity Offset Setting screen will display Humidity Offset Settings. Range - -30% to + 30%.
  • Page 17 Operation 3.3.5 Service Temperature Offset The following Service Settings are adjustable by the Authorised Service Agents:- Press the Programming Key ‘P’ for 3 seconds to access the Service Menu. The programming light ‘Prog’ will illuminate. The display screen will show the following service menu settings:- 1.
  • Page 18 Operation 3.3.6 Service Diagnostic The following Service Settings are adjustable by the Authorised Service Agents:- Press the Programming Key ‘P’ for 3 seconds to access the Service Menu. The programming light ‘Prog’ will illuminate. The display screen will show the following service menu settings:- 1.
  • Page 19 Operation 3.3.6 Service Diagnostic (con’t) The following Service Settings are adjustable by the Authorised Service Agents:- Use the ‘Up’ / ‘Down’ scroll keys to scroll through the service menu The reading for the Proofer Humidity screen will display The following menu options allow for the switching of the 24Vdc output relays. The output can be turned on by holding the right side temp key down, it will turn off when key is released.
  • Page 20 Operation 3.3.7 Service Counters The following Service Settings are adjustable by the Authorised Service Agents:- Press the Programming Key ‘P’ for 3 seconds to access the Service Menu. The programming light ‘Prog’ will illuminate. The display screen will show the following service menu settings:- 1.
  • Page 21 Operation 3.3.7 Service Counters (con’t) The following Service Settings are adjustable by the Authorised Service Agents:- Use the ‘Up’ / ‘Down’ scroll keys to scroll through the service menu settings. The Count for the number of times the Oven Hi Temperature Alarm has operated screen will display.

  • Page 22: Cleaning

    Cleaning Routine Procedures Oven Procedure Frequency Check door seals for deterioration. 6 months Check door pivot bushes for wear. 12 months Ensure that door catches are adjusted such that the door closes properly 12 months Check that the element resistances are correct to their rating, or that they are drawing the 12 months correct current.

  • Page 23: Fault Finding

    Fault Finding OVEN OPERATIONAL FAULTS OTHER FAULT FUNCTIONS CAUSE INDICATORS Oven not operating No oven functions possible Not plugged in Power supply switch off Fuse blown or Circuit breaker tripped Power cord damaged Controller off Power to oven on No power to transformer Overtemp tripped 12 Vac from transformer Fuse...
  • Page 24 Fault Finding OVEN CONTROLLER FAULT CODES FAULT CODE CAUSE Door open Door open Door closed Microswitch open circuit Probe open error Oven Temperature Probe open circuit Probe short error Oven temperature probe short circuit Hi temp error Oven temperature + 25 C Above set OVEN COMPONENT TESTING ITEM...
  • Page 25 Fault Finding PROOFER OPERATIONAL FAULTS OTHER FAULT FUNCTIONS CAUSE INDICATORS Prover not operating Controller on Fan, Lights off R4 relay No Heat Controller indicates on Fan, lights on R5 relay R5 relay on Element No Fan Lights on Light off Fan on Lamp No Humidity...
  • Page 26 Fault Finding PROOFER COMPONENT TESTING ITEM CONDITION TESTING FOR REPLACE Relay Power to relay coil Is red flag showing If no Temperature probe Disconnected Resistance If not correct Water Solenoid Power to solenoid Opening, clicking noise when activated If not Element Oven power OFF Continuity...

  • Page 27: Service Procedures

    Service Procedures WARNING: ENSURE POWER SUPPLY IS SWITCHED OFF BEFORE SERVICING. WARNING: ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY QUALIFIED PERSONS ONLY. Section Page No. 6.1 Access ...................... 26 6.1.1 Oven Control Panel ....................26 6.1.2 Proofer Front Panel ....................

  • Page 28: Access

    Service Procedures Access 6.1.1 Oven Control Panel 1. Remove screw on underside of control panel. 2. Lift panel up to unhook at top. Screw 6.1.2 Proofer Front Panel 1. Remove screw on underside of control panel. 2. Lift panel up to unhook at top Screw...

  • Page 29: Replacement (Oven)

    Service Procedures Replacement - Oven 6.2.1 Controller Fuse 3. Remove Faraday cover ( 2 screws). 4. Remove plugs from controller. 1. Remove RH oven panel locate fuse carrier in 5. Undo securing 8 nuts and replace controller. bottom LH corner. Open carrier and replace fuse.

  • Page 30: Temperature Probe

    Service Procedures 6.2.4 Temperature Probe 4. Remove RHS oven rack. 5. Remove Overtemp phial holder. 1. Remove RH oven panel. 6. Withdraw phial through oven cavity. 2. Undo the 2 screws on the flange which holds the thermostat probe. 3. Unplug probe from connector. 4.

  • Page 31: Element

    Service Procedures 6.2.7 Element 6.2.9 1. Remove RHS panel. 1. Remove oven fan.(13mm) Counter-clockwise to undo. 2. Remove element wires from terminals. 3. Remove RHS oven rack. 4. Remove securing screws. Screws 13mm Nut 6.2.10 Fan Motor 1. Remove fan. 6.2.8 Cooling Fan 2.

  • Page 32: 6.2.11 Motor Timer

    Service Procedures 6.2.11 Motor Timer 1. Remove the RH oven panel. 2. Remove the screws securing the motor timer to the gear plate. 3. Fit the new timer to the gear plate, and Pivot Spacer transfer the wires from the old timer. 3.

  • Page 33: Door Hinge

    Service Procedures 6.2.14 Door Hinge 1. Remove door. (refer 5.2.12). 2. Remove 2 Hinge plate screws. Remove top or bottom hinge screws...

  • Page 34: Replacement (Proofer)

    Service Procedures Replacement - Proofer 6.3.3 Water Temperature Probe 6.3.1 Temperature Probe 1. Remove RHS panel and unplug probe. 1. Remove RHS panel and unplug probe. 2. Undo 2 securing screws from inside proofer 2. Undo 2 probe screws. and withdraw probe 3.

  • Page 35: Wet Heat Element

    Service Procedures 6.3.5 Wet Heat Element 6.3.7 Autofill Relay 1. With door open, remove right hand side rack 1. Remove RHS panel. and water tank. 2. Pull relay from base. 2. Remove RHS panel and disconnect elements. 3. Remove element securing nuts. 4.

  • Page 36: Water Solenoid

    Service Procedures 6.3.8 Water Solenoid 6.3.9 Float Switch 1. Remove RHS panel. 1. Remove RHS panel. 2. Remove float switch wires from relay, noting 2. Remove wires from solenoid, noting their posi- their positions. tions. 3. Remove 2 bracket securing screws. 3.

  • Page 37: Adjustment / Calibration

    Service Procedures Adjustment / Calibration 6.4.1 Door Microswitch Adjustment 6.4.4 Proofer Water Heater Probe 1. Remove control panel. (refer 6.1.1) Calibration 2. Bend microswitch activation arm so switch 1. Place temperature probe in water tank of open circuits when door is open. proofer.
  • Page 38 Wiring Diagram E32SUBC3/C4 Oven - Proofer Wiring Chart (380-415V, 3P+N+E) PROBE...

  • Page 39: Electrical Schematic & Wiring Diagrams

    Circuit Schematics E32SUBC3/C4 Oven - Proofer Circuit Schematic (380-415V, BOTTOM...
  • Page 40 Wiring Diagram E32SUBC3/C4 Oven - Proofer Wiring Chart (208-240V, 3P+E) PROBE...
  • Page 41 Circuit Schematics E32SUBC3/C4 Oven - Proofer Circuit Schematic (208-240V, BOTTOM...
  • Page 42 Replacement Parts List Oven Main Assembly - E32SUBC3/C4 For Microswitch details see ‘Oven Main Assembly - Microswitch Details’ page.

  • Page 43: Exploded Parts List

    Replacement Parts List Oven Main Assembly - E32SUBC3/C4 Item Part No Description *RPL 234583 DOOR ASSY 234660 SIDE RACK LH 3 TRAY C3 ONLY 234656 SIDE RACK LH 4 TRAY C4 ONLY 232666 OVEN DOOR SEAL 233883 OVEN LAMP SEAL 231814 LAMP G9/25W 230V HALOGEN 233115...
  • Page 44 Replacement Parts List Oven Main Assembly - Microswitch Details From Ser. No. 744430. Up to Ser. No. 744429. Item Part No Description *RPL Item Part No Description *RPL 021637 Microswitch Button 236880 Microswitch Button Assy 013610 Pivot Bush Plated 236885 Microswitch Button Gasket 021638 Pin Circlip...
  • Page 45 Replacement Parts List Control Panel - E32SUBC3/C4 Item Part No Description *RPL 234727 CONTROL PANEL LAMINATED E32SUBC3/C4 019213 SNAP BUSH Ø31.5mm 234421 CONTROLLER COVER END E32SUBC3/C4 233308 CONTROLLER E32SUBC3 235406 CONTROLLER E32SUBC3 (FROM Lot # 1118001) 235406 CONTROLLER E32SUBC4 234374 FARADY COVER *Recommended Parts Level Number of units in service...
  • Page 46 Replacement Parts List Gear Tray - E32SUBC3/C4 Item Part No. Description *RPL 234373 GEAR TRAY E32SUBC3/C4 026261 CABLE CLAMP 232775 TERMINAL BLOCK 6 POLE 231738 CONTACTOR LOVATO 25A 016674 RELAY OMRON LY2 240AC 016673 RELAY BASE LY2 017242 DIN RAIL SHORT 130 mm 020995 END ANCHOR 228660...
  • Page 47 Replacement Parts List Door - E32SUBC3/C4 Oven Item Part No Description *RPL 234583 DOOR ASSEMBLY 234581 DOOR HANDLE E32 / G32 234930 DOOR HINGE SET 234752 HINGE PIVOT KIT 234757 DOOR INNER GLASS ASSEMBLY 234767 INNER GLASS PIVOT SPACER 234779 INNER GLASS RETAINING CLIP 234818 INNER GLASS LATCH STUD...
  • Page 48 Replacement Parts List Proofer Main Assembly - E32SUBC3/C4...
  • Page 49 Replacement Parts List Proofer Main Assembly - E32SUBC3/C4 Item Part No Description *RPL 234382 COVER PANEL LAMINATED P12 BLANK 234566 DOOR ASSY P12 234661 RACK WA LH P12 - 9 TRAY 235026 RACK WA LH P12 - 9 TRAY (From Lot # 1036000) 235024 RACK WA LH P12 - 12 TRAY 234662...
  • Page 50 Replacement Parts List Door, E32SUBC3/C4 Proofer Item Part No Description 234566 DOOR ASSY P12 234535 DOOR HANDLE P12 234930 DOOR HINGE SET 234752 HINGE PIVOT KIT 234537 DOOR SEAL P12 025600 MAGNET MOUNTING PLATE 018947 MAGNET CATCH 026604 CATCH CLIP *Recommended Parts Level Number of units in service 5-10...
  • Page 51 Appendix 1 - E32SUBC3/C4 Door Reversal Reversing the Oven Door 11.Remove inner glass latching studs and fit to NOTE: opposite side of door  Refit all screw fasteners using a low-mid using Loctite 243 to strength thread locking adhesive unless secure.

  • Page 52: Appendix 1 Door Reversal

    Appendix 1 - E32SUBC3/C4 Door Reversal 18.Remove Blanking Screw and Door Catch from Oven Door Re-Fitting front of oven and swap around (refer ‘Adjusting Fit the Door. Door Catch’). 1. Refit oven door by Top Door Pivot Bolt. locating bottom of door Door Catch Blanking Screw onto bottom hinge plate...
  • Page 53 Appendix 1 - E32SUBC3/C4 Door Reversal Adjusting Door Catch If door sealing requires adjustment, carry out the following to adjust door catch:- Place a sheet of paper between door and seal and check door seals correctly when closed. Close door on the paper and attempt to withdraw the paper by firmly tugging on paper.

  • Page 54: Reference

    References E32SUBC - CONTROLLER SETTING REFERENCE GUIDE Entering programming modes 1. Hold the 'P' key for 3 seconds. 2. Display shows programming menu screen. 3. Scroll up/down to required and press P key to access. 4. Enter password as per below. Password Pvr#2, Ov#3, Pvr#2, Pvr#3 Setting range Default Setting...

  • Page 55: Fault Codes

    References Fault codes Message Beep Fault Soft off Oven Door open Door open, Microswitch faulty Probe open error Oven temperature probe open circuit Probe short error Oven temperature probe short circuit Hi temp error Oven temperature + 25 Proofer Air probe open error Proofer air temperature open circuit Air probe short error Proofer air temperatures short circuit...

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Subway e32subc4

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