background image

© 

Moffat Ltd, September 2009 

Revision 3 

E32SUBC OVEN and PROOFER 

E32SUBC 

Oven and Proofer 

Service Manual 

Summary of Contents for turbofan E32SUBC

Page 1: ...Moffat Ltd September 2009 Revision 3 E32SUBC OVEN and PROOFER E32SUBC Oven and Proofer Service Manual...

Page 2: ...d September 2009 Revision 3 E32SUBC OVEN and PROOFER ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY QUALIFIED PERSONS ONLY WARNING MAKING ALTERATIONS MAY VOID WARRANTIES AND APPROVALS...

Page 3: ...Page Number 1 Specifications 1 2 Installation 2 3 Operation 3 3 1 Description of Controls 3 2 Operation Flow Charts 3 3 Field Adjustable Settings 4 Cleaning Maintenance 19 4 1 Cleaning Oven 4 2 Clean...

Page 4: ...Moffat Ltd September 2009 Revision 3 E32SUBC OVEN and PROOFER...

Page 5: ...7 70 2 76 645 25 40 810 31 89 1720 67 71 E 355 13 98 MWS MWS 50 1 97 Dimensions Oven internal dimensions Width 468 mm 18 5 Height 533 mm 21 Depth 711 mm 28 Oven Volume 0 18 m 6 3 ft Proofer internal d...

Page 6: ...t ventilation for the motor and controls the following minimum installation clearances are to be adhered to Use a spirit level to ensure oven proofer is level from side to side and front to back If th...

Page 7: ...ed to change the parameters during the Programming Mode only Used to scan through the Oven programmes selected during the Cooking Mode and to change menu s during the Programming Mode Programming Key...

Page 8: ...roofing Mode and to change menu s during the Programming Mode Programming Key Press for 3 seconds to access change of Proofer temperature and humidity settings Also accesses Programming Mode for Proof...

Page 9: ...key TIMER DONE UNLOAD PROOFER CANCEL ALARM Press timer key 20 MINS NEXT LOAD START TIMER Press Proofer key TIMER DONE UNLOAD PROOFER CANCEL ALARM Press timer key 20 MINS 20 MINS 20 MINS 20 MINS 3 2 Op...

Page 10: ...009 E32SUBC OVEN and PROOFER 3 2 2 Oven TURN ON PREHEAT Press ON OFF key OVEN READY LOAD OVEN START Press program key BAKE PROGRAM DONE UNLOAD OVEN CANCEL ALARM Press program key SELECT DIFFERENT PROG...

Page 11: ...ven 1 proofer 2 oven 1 oven 2 4 Service settings Proofer 2 oven 3 prooder 2 proofer 3 Proofer settings refer 3 3 1 Setting Range Default Setting Temp C 38 42 40 Humidity 80 85 80 Cooldown timer 0 60mi...

Page 12: ...e reading displays current probe humidity reading Oven heat relay output status displays ON or OFF status Oven power ON relay output status displays ON or OFF status Proofer heat relay output status d...

Page 13: ...P the Proofer Temperature Setting screen will display Temperature Settings Range 38 C to 42 C Factory Default 40 C Press either Left or Right keys to scroll through the temperature adjustment settings...

Page 14: ...lt 14 00 Press either Left or Right keys to scroll through the time adjustment settings to the time required and press the Programming Key P to save the change The Oven Recipe Temperature Setting scre...

Page 15: ...press Pro gramming Key P Recipe Programming Setting screen will display Press a Proofer programme key The Proofer Recipe Time Setting screen will display Time Settings Range 00 00 to 99 59 Factory De...

Page 16: ...Temp Unit Setting screen will display Temp Unit Settings Range C or F Factory Default C Press either Left or Right keys to scroll between the C or F settings and press the Programming Key P to save t...

Page 17: ...through the Humidity Sampling Interval set tings and press the Programming Key P to save the change The Water Tank Maximum Temperature Setting screen will display Water Tank Maximum Temperature Settin...

Page 18: ...gh the service menu settings Press the Programming Key P to select Temp offset The Temperature Offset for the Oven Probe Setting screen will display Temperature Offset Settings Range 11o C to 11o C Fa...

Page 19: ...Select No 4 Service Settings and press the Programming Key P Press the Proofer 2 Oven 3 Proofer 2 Proofer 3 keys then press Program ming Key P Service Setting screen will display Use the Up Down scrol...

Page 20: ...ll display Turning on operates only the 24Vdc relay and not the element contactor The Oven Power Relay Output screen will display Turning on operates the 24Vdc relay and turns on the lights The Proofe...

Page 21: ...amming Key P Press the Proofer 2 Oven 3 Proofer 2 Proofer 3 keys then press Program ming Key P Service Setting screen will display Use the Up Down scroll keys to scroll through the service menu settin...

Page 22: ...nt for the number of times the Proofer Hi Temperature Alarm has operated screen will display The Count for the number of times the Proofer Humidity Probe has failed open closed circuit or out of range...

Page 23: ...m To replace ensure that the lip is facing the oven opening Fit the top and bottom seals first then the side seals 4 2 Cleaning Proofer Cabinet A good quality stainless steel cleaning compound is reco...

Page 24: ...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 correct current 12 months Procedure Frequency Rem...

Page 25: ...fer air temperatures short circuit Air Hi Temp error Proofer temperature 25o C Water probe open error Proofer water temperature probe open circuit Water probe short error Proofer water temperature pro...

Page 26: ...itch is out of adjustment Refer fault diagnosis 5 3 2 Door microswitch faulty Refer fault diagnosis 5 3 2 Relay not operating Refer service section 5 3 2 Motor timer faulty Refer fault diagnosis 5 3 2...

Page 27: ...fault diagnosis 5 3 3 Replace Refer service section 6 2 5 Replace Slow recovery Overloading of oven Fan not working Element not working Reduce oven loading Check fan operation Correct element fault Re...

Page 28: ...ulty Refer fault diagnosis 5 4 3 Water temperature probe faulty Refer fault diagnosis 5 4 3 Water tank element blown Refer fault diagnosis 5 4 3 Relay not operating Refer service section 5 4 3 Auto fi...

Page 29: ...ault diagnosis 5 4 5 Solenoid relay faulty Refer fault diagnosis 5 4 5 Turn water supply on Disconnect water supply and inspect Clean filter Refer service section 6 3 15 Replace Refer service section...

Page 30: ...ted Re secure the left hand wire and then repeat test for right hand switch When operating 50Hz models should cycle the power for approximately 80 seconds through each switch with a 10 second delay be...

Page 31: ...ing contacts and on the front face of the contactor the contact mechanism will visibly pull in If not contactor is faulty replace If contactor operates correctly check for continuity through the poles...

Page 32: ...nect terminals and check resistance across element Resistances Proofer air heating element 72 5 5 4 3 No humidity Humidity temperature probe faulty To verify reading refer to 3 4 6 Water temperature p...

Page 33: ...4 5b SOLENOID RELAY TANK FULL 5 4 4 No humidity control Humidity probe faulty To verify reading refer to 3 4 6 Switch the proofer on Check that the humidity control cycles on off and using a suitable...

Page 34: ...ller Fuse 33 6 2 3 Door Microswitch 33 6 2 4 Temperature Probe 34 6 2 5 Heating Contactor 34 6 2 6 Elements 35 6 2 7 Fan 35 6 2 8 Motor 35 6 2 9 Motor Timer 36 6 2 10 Motor Capacitor 36 6 2 11 Outer G...

Page 35: ...ment Calibration 43 6 4 1 Door Microswitch Adjustment 43 6 4 2 Oven Door Reversal 43 6 4 3 Door Alignment 43 6 4 4 Door Roller Catch Adjustment 43 6 4 5 Oven Probe Calibration 44 6 4 6 Proofer Air Pro...

Page 36: ...l 6 1 2 Oven service panel Figure 6 1 1 1 Undo the four screws holding the panel 2 Remove side panel Two screws Figure 6 1 2 Figure 6 1 3 6 1 3 Proofer front panel 1 Remove two screws at bottom of fro...

Page 37: ...g 4 Screw in replacement bulb 5 Ensure seal fitted Screw lamp cover into holder with baffle fitted do not over tighten 1 Remove control panel refer 6 1 1 2 Remove two screws holding microswitch to bra...

Page 38: ...ven 4 Unplug probe from connector 5 Remove probe by drawing probe bracket and wires out of oven 6 Install the new probe in the reverse order Use high temperature 232 C 450 F mini mum RTV silicone seal...

Page 39: ...n from the shaft replace and reassemble Grub Screw Figure 6 2 6a 1 Remove service panel refer 6 1 2 and baffle 2 Remove the wires from the elements 3 Unscrew the elements from outside of the oven by u...

Page 40: ...s and the door handle and roller catches two screws top and bottom Door Handle Figure 6 2 9 Motor Cams Rotate one revolution every three minutes 6 2 9 Motor timer 1 Remove the right hand service panel...

Page 41: ...ow E glass 4 Reassemble and refit door to the oven Retaining Angles Figure 6 2 13 6 2 13 Door Seals 1 Open oven door 2 To remove hold at their centre point and pull forward until they unclip 3 Refit n...

Page 42: ...upport bracket 1 Remove RHS service panel refer 6 1 4 and unplug probe 2 With door open remove right hand side rack Undo probe support bracket screws 2 and remove bracket from inside oven Figure 6 3 2...

Page 43: ...ll element carefully into proofer to remove 4 Replace and reassemble in reverse order 6 3 7 Fan Figure 6 3 7 6 3 6 Light Bulb Glass Figure 6 3 6 1 Open the proofer door 2 Pull off lamp cover Lamp cove...

Page 44: ...ch and remove door seal Figure 6 3 11 Door Seal Door Inner 14 Screws Door Glass Door Outer 3 Remove door inner 14 screws and remove glass 4 Clean glass and replace in reverse order Ensure silicone sea...

Page 45: ...oat Switch 1 Remove Oven service panel refer 6 1 2 2 Remove float switch wires from relay noting their positions 3 Remove brass fitting from rear of float switch 4 Remove RH side rack and water trough...

Page 46: ...en silicone sealed so it may therefore be necessary to cut around the bracket with a sharp knife to assist with removal Clean off all remain ing silicone 7 Remove the float switch sleeve and undo the...

Page 47: ...side of the oven door opening Figure 6 4 4 6 4 4 Door Roller Catch Adjustment 6 4 3 Door Alignment Figure 6 4 3 4 If alignment of the door is necessary the five screws along the bottom of the oven ca...

Page 48: ...fit remaining hinge body to bottom securing door in position 8 Remove door handle E89M only refer 6 3 10 and refit in the higher setting using the extra screw position 9 Ensure door seal is removed a...

Page 49: ...45 7 Accessories Revision 3 Moffat Ltd September 2009 E32SUBC OVEN and PROOFER...

Page 50: ...offat Ltd September 2009 E32SUBC OVEN and PROOFER 8 1 Oven 47 8 1 1 Oven Main Spare Parts 47 8 12 Oven Doors 49 8 1 3 Oven gear Plate 50 8 1 4 Oven Control Panel 51 8 2 Proofer 52 8 2 1 Proofer Main S...

Page 51: ...s Revision 3 Moffat Ltd September 2009 E32SUBC OVEN and PROOFER 8 1 1 Oven Main Spare Part List 28 29 26 24 23 27 2 5 6 30 31 32 33 7 38 39 35 36 37 15 14 13 12 21 11 8 9 10 19 18 17 22 25 25 8 18 21...

Page 52: ...A SUB 17 024760 VENT WA E32 18 015581 ELEMENT BRACKET E32 19 014065 OUTER COIL 240V 2 85Kw used on 220 240V 3P E used on 380 415V 3P N E 014062 OUTER COIL 208V 2 85Kw used on 208 220V 3P E 20 014064 I...

Page 53: ...ven Door Item No Part No Description 1 024713 HANDLE WA 2 026184 DOOR OUTER WA SUB 3 090201 SIL EXTR Y DOOR SEAL 1 74m 4 090415 DOOR INSULATION 5 2340 DOOR GLASS 6 026187 GLASS CLAMP ANGLE 7 5019 DOOR...

Page 54: ...2 026161 CABLE CLAMP 3 232775 TERMINAL BLOCK FV122 B 6 POLE 4 231738 CONTACTOR LOVATO BF0910A230 5 016674 RELAY OMRON LY2 240AC 6 016673 RELAY BASE LY2 7 017242 DIN RAIL SHORT 130mm 8 020995 END ANCHO...

Page 55: ...No Description 1 233269 OVERLAY 32SUBC OVEN MOFFAT 233696 OVERLAY 32SUBC OVEN BLUESEAL 2 233257 CONTROL PANEL 3 233308 CONTROLLER 4 233315 FARADY COVER 5 024694 CONTROL PANEL HOOK WIRING HARNESS NOT S...

Page 56: ...lacement Parts Revision 3 Moffat Ltd September 2009 E32SUBC OVEN and PROOFER 8 2 1 Proofer Main Spare Part List 1 2 5 3 6 9 17 25 18 7 10 24 19 11 22 27 28 30 31 32 36 35 34 33 29 8 16 15 14 4 23 12 2...

Page 57: ...PROBE MOUNTING BRACKET 13 014001 ELEMENT 240V DRY 14 021353 SUPPORT FRAME 15 021352 GLASS LENS 16 021354 GASKET 17 021342 LAMPHOLDER 18 025892 SIDE PANEL SUB 19 025567 WATER TANK WA 20 233309 HUMIDITY...

Page 58: ...1 26227 DOOR HANDLE 2 90202 DOOR OUTER SEAL 2 22m 3 26214 DOOR OUTER 4 20083 BOTTOM HINGE ASSY 5 25885 DOOR GLASS 6 90203 INNER FRAME SEAL 2 2m 7 26215 DOOR INNER FRAME 8 25887 DOOR SEAL 2 61m 9 2560...

Page 59: ...FAN RELAY WATER LEVEL RELAY PROOFER HEATING RELAY WATER TANK RELAY WATER SOLENOID 800W 800W OVEN INNER COIL ELEMENT 2150W 2850W TRANSFORMER 208 240 24V 40VA FUSE 0 63A PROOFER HEATING ELEMENT PROOFER...

Page 60: ...N OFF RELAY OVEN HEAT RELAY OVEN FAN RELAY WATER LEVEL RELAY PROOFER HEATING RELAY WATER TANK RELAY WATER SOLENOID OVEN INNER COIL ELEMENT TR AN SFO RMER 208 240 24V 40VA FU SE 0 63A PROOFER HEATING E...

Page 61: ...W HITE YELLOW RED O RANG E YELLO W RED B ROW N G REY G REEN 1 1 3 3 2 17 2 17 7 7 8 8 9 64 64 63 61 60 59 58 57 62 45 46 61 59 49 50 51 52 53 36 35 36 34 33 32 31 31 44 29 29 15 28 27 14 BLACK BROWN B...

Page 62: ...W HITE YELLOW R ED OR ANGE YELLOW RED BRO W N G REY GRE EN 1 1 8 19 2 17 2 17 3 7 19 8 9 64 64 63 61 60 59 58 57 62 45 46 61 59 63 50 51 52 53 36 35 36 34 33 32 31 31 44 29 29 15 28 27 14 BLACK BROWN...

Page 63: ...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 64: ...Units 6 7 Mount St Business Park Tel 0121 327 5575 Mount Street Nechells Fax 0121 327 9711 Birmingham B7 5QU England United States of America MOFFAT INC 3765 Champion Blvd Winston Salem Tel 1800 551...

Page 65: ...fer settings Password no pass word required Setting Range Default Setting Temp C 38 42 40 Humidity 80 85 80 Cooldown timer 0 60mins 0 Recipe Settings Password Oven Key 1 1 2 4 Proofer Program Keys Tim...

Page 66: ...stics Oven probe temp displays current probe reading Proofer probe air temp displays current probe reading Proofer probe water temp displays current probe reading Door switch Open Close displays door...

Page 67: ...error Yes Proofer temperature 25o C Yes Water probe open error Yes Proofer water temperature probe open circuit Yes Water probe short error Yes Proofer water temperature probe short circuit Yes Water...

Page 68: ...Moffat Ltd September 2009 Revision 3 E32SUBC OVEN and PROOFER...

Reviews: