Moffat E27 User Manual

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E27 CONVECTION OVEN
E27MS CONVECTION OVEN
SERVICE
MANUAL
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CONTENTS
This manual is designed to take a more in depth look at the E27 convection oven for the purpose of making the unit more understandable to service people.
There are settings explained in this manual that should never require to be adjusted, but for completeness and those special cases where these settings are required to change, this manual 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
3.2 Explanation of Control System
4. MAINTENANCE............................................................................................................. 10
4.1 Cleaning
4.2 Routine Procedures
5. TROUBLE SHOOTING GUIDE..................................................................................... 11
6. SERVICE PROCEDURES ............................................................................................. 14
6.1 Fault Diagnosis
6.2 Access
6.3 Replacement
6.4 Adjustment / Calibration
7. ELECTRICAL SCHEMATICS ....................................................................................... 27
8. ELECTRICAL WIRING DIAGRAMS............................................................................. 28
9. SPARE PARTS .............................................................................................................. 29
10. ACCESSORIES / OPTIONS ......................................................................................... 30
IMPORTANT: MAKING ALTERATIONS MAY VOID WARRANTIES AND APPROVALS.
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11. PARTS DIAGRAM ........................................................................................................ 31
11.1 Main Assembly
11.2.1 Control Panel Assembly - E27
11.3.2 Control Panel Assembly - E27MS
11.3 E27MS Door Assembly
12. SERVICE CONTACTS.................................................................................................. 37
APPENDIX A. DOUBLE STACKING KIT .............................................................................. 39
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MODEL: E27
1. SPECIFICATIONS
77
FRONT
945
(37.2)
791
(31.1)(3.0)
725
(28.5)
430
E
1
120
(4.7)
45
(1.75)
E
1
236
(9.3) (15.6)
395
(16.9)
SIDE
E
1
PLAN
LEGEND
- Electrical connection entry point
Dimensions shown in millimetres. Dimensions in inches shown in brackets.
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LOCATION
To ensure correct ventilation for the motor and controls the following minimum installation clearances are to be adhered to:
Top 200mm / 8” Rear 25mm / 1” Left-hand side 25mm / 1” Right-hand side 25mm / 1”
OVEN INTERNAL DIMENSIONS
3
Width 695 mm / 27 Height 285 mm / 11 Depth 505 mm / 19
1
7
/8” /4” /8”
Oven Volume 0.10 m³ / 3.5 ft³
OVEN RACK SIZE
Width 660 mm / 26” Depth: 460 mm / 18”
ELECTRICAL SUPPLY SPECIFICATION OPTIONS
208-220V ac, 50/60Hz, 14.4A, 3.0kW @ 208V 230-240V ac, 50/60Hz, 12.5A, 3.0kW @ 240V
ELECTRICAL PLUG SPECIFICATION REQUIREMENTS
Australia 3-pin 250V 15A, AS/NZ 3112 Canada 3-pin 250V 15A, NEMA 6-15 New Zealand 3-pin 250V 15A, AS/NZ 3112 United Kingdom 3-pin 250V 13A fused, BS
1363A United States 3-pin 250V 15A, NEMA 6-15 Other Countries 3-pin 250V 13A minimum,
type to meet country
standards
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2. INSTALLATION
WARNING: THIS APPLIANCE MUST BE GROUNDED.
WARNING: ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY QUALIFIED PERSONS ONLY.
It is most important that the oven is installed correctly and that the operation is correct before use. Installation shall comply with local electrical, health and safety requirements.
BEFORE CONNECTION TO POWER SUPPLY
Unpack and check unit for damage and report any damage to the carrier and dealer. Report any deficiencies to your dealer. Check that the available power supply is correct to that shown on the rating plate located on the right­hand side panel.
208-220V ac, 50/60Hz, 14.4A, 3.0kW @ 208V 230-240V ac, 50/60Hz, 12.5A, 3.0kW @ 240V
LOCATION
To ensure correct ventilation for the motor, and controls the following minimum installation clearances are to be adhered to:
Top 200mm / 8” Rear 25mm / 1” Left-hand side 25mm / 1” Right-hand side 25mm / 1”
ELECTRICAL CONNECTION
E27 convection ovens are supplied with pre-fitted cords. Ensure unit is fitted with the correct cord and plug for the installation. Refer specifications section. Should changing of the cord be necessary, gain access to the electrical connection terminal block, grounding lug, and strain relief by removing the back panel (four screws).
L1 L2
Phase
RED
BROWN
BLACK
WARNING:
Neutral
BLACK
BLUE
WHITE
THIS APPLIANCE MUST
BE GROUNDED / EARTHED
Ground
GREEN
GREEN/YELLOW
Figure 2.1
RATING PLATE LOCATION
The rating plate for the E27 convection oven is located at the bottom left corner of the RH side panel.
IMPORTANT: THE OVEN VENT
LOCATED ON THE CABINET TOP MUST NEVER BE OBSTRUCTED.
Position the oven in its allocated working position. Use a spirit level to ensure the oven is level from side to side and front to back. (If this is not carried out, uneven cooking could occur). The feet used with bench mounting or provided with stands are adjustable and will require adjusting in levelling the unit. It should be positioned so the operating panel and oven shelves are easily reachable for loading and unloading.
BEFORE USE
Operate the oven for about 1 hour at 200°C (400°F) to remove any fumes or odours which may be present.
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Rating Plate
Figure 2.2
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3. OPERATION
NOTE: A full user’s operation manual is supplied with the product and can be used for further
referencing of installation, operation and service.
3.1 DESCRIPTION OF CONTROLS
1. POWER
Depress to switch power on or off (switch illuminates when power is on).
2. THERMOSTAT Temperature range 50 - 250°C (120 - 480°F). Indicator illuminates when elements are cycling ON to maintain set temperature.
3. BAKE TIMER
1
1 Hour bake timer. (Indicator illuminates when “time up” (0) reached, and buzzer sounds).
4. LIGHT SWITCH Push switch to activate light. (Oven light illuminates while button depressed).
2
3
4
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3.2 EXPLANATION OF CONTROL
SYSTEM
The E27 Turbofan convection ovens feature multi-function operator controls for which a correct understanding of their operation is required before carrying out any service or fault repair work. The control device functions are explained as follows:
A power switch on the control panel isolates power to all the controls of the oven. With the power switch Off all functions of the oven are inoperable.
NOTE:
side of the heating element power relay whenever the electrical supply is on.
With the power switch On (illuminated) power is directly supplied to the 60 minute bake timer, door microswitch, and the light switch. The light switch will turn the oven light on when the door is closed, but only whilst the light switch is held in.
The door microswitch on the E27 oven controls the light, the circulation fan, and the fan element. Hence, opening the door on the E27 oven causes the circulation fan and fan element to switch off, as well as causing the oven light to come on.
The 60 minute timer is a mechanical timer and can therefore be operated with the oven’s power switch On or Off. However, only with the oven’s power switch On will the switch contacts of the 60 minute timer turn on the time-up buzzer and illuminate the time-up indicator on the control panel. The buzzer and time-up indicator provide indication that the time setting has run down to zero and at this point will remain On continuously until the 60 minute timer has been manually set back to the Off (vertical) position. The 60 minute timer does not control any other part of the oven’s operating system as this timer is independent of the temperature control and heating system.
The temperature control of these ovens is with a capillary type thermostat which can be set to a required cooking temperature.
The E27 has an element coiled around the circulation fan in the rear of the oven. Power to the element is provided via a heating power relay located at the rear of the oven. When the thermostat calls for heat, it energises this relay, which switches power to the fan
The supply voltage is fed to the input
element. The control panel indicator light above the thermostat knob cycles on and off with the thermostat to indicate when the element is on and the oven is heating. In the ‘Off’ position, the element relies on the thermostatic control to prevent it switching on. Accordingly, if the oven temperature drops below approximately 20°C the thermostat and element may cycle on at this setting.
The circulation fan on the E27 oven reverses direction every 90 seconds for a 50Hz supply (every 75 seconds for 60Hz). Prior to a change of direction the fan motor is switched off for 10 seconds (8½ seconds for 60Hz) to allow the motor/fan to slow down. Cycling of the fan motor is controlled by a continuous cam timer with electric motor. The timer has two cams and switches which supply power alternately to one of two motor supply wires, causing the motor to alternate direction. During the fan motor slow down periods, both cam switches are open and power is not supplied to either of the motor supply wires. When the oven door is opened or the power is switched off the cams will stop. When the oven door is closed or the power switched back on the cam timer will resume its cycle from the point where it stopped.
The fan motor is a split phase continuous capacitor motor with the capacitor externally connected across the motor supply leads. The motor also incorporates an internal thermal trip switch for overheat protection which is auto resetting.
The following Troubleshooting Guide (section
5) should be used to identify any incorrect oven operation. On correct identification of the operating fault the Troubleshooting Guide will make reference to the corrective action required, or refer to the Fault Diagnosis section and/or Service section to assist in correction of the fault.
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4. MAINTENANCE
WARNING: ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY QUALIFIED PERSONS ONLY.
4.1 CLEANING
WARNING: ALWAYS TURN THE POWER SUPPLY OFF BEFORE CLEANING.
IMPORTANT: THIS UNIT IS NOT
WATER PROOF. DO NOT USE A WATER JET SPRAY TO CLEAN INTERIOR OR EXTERIOR OF THIS UNIT.
EXTERIOR
Clean with a good quality stainless steel cleaning compound. Harsh abrasive cleaners may damage the surface.
INTERIOR
Ensure that the oven chamber is cool. Do not use wire brushes, steel wool or other abrasive materials. Clean the oven regularly with a good quality oven cleaner. Take care not to damage the fan or the tube at the right side of the oven which controls the thermostat.
OVEN RACKS
To remove, slide out to the stop position, raise the front edge up, and lift out.
SIDE RACKS
Undo the thumbscrew (anti-clockwise rotation) securing rack to oven wall, swing rack towards centre of oven to 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 remove, loosen thumbscrews (anti­clockwise rotation) at top of baffle. Lift baffle to disengage from locating studs and thumb­screws then pull forward to remove. Replace in reverse order.
OVEN SEALS
To remove, hold at their centre point and pull forward until they unclip. Remove side seals first, then top and bottom. The seals may be washed in the sink, but take care not to cut or damage them. To replace the top seal, ensure that the lip is facing the oven opening. The left, right and bottom seals have the lip facing out. Fit the top and bottom seals first, then the side seals.
OVEN DOOR GLASS
Clean with conventional glass cleaners
4.2 ROUTINE PROCEDURES
DOOR SEALS
Check for deterioration 12 months
ELEMENTS
Check that element resistances 12 months are correct to their ratings (refer
6.3.9)
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5. TROUBLE SHOOTING
WARNING: ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY QUALIFIED PERSONS ONLY.
FAULT POSSIBLE CAUSE REMEDY
THE OVEN DOES NOT OPERATE / START
FAN DOESN’T OPERATE Door not closed.
The mains isolating switch on the wall, circuit breaker or fuses are “off” at the power board.
The power switch on the oven is off.
Incorrect electrical supply.
(Refer fault diagnosis 6.1.1)
Power switch on unit faulty.
(Refer fault diagnosis 6.1.1)
Fan obstructed.
Door microswitch is out of adjustment.
(Refer fault diagnosis 6.1.2)
Door microswitch faulty.
(Refer fault diagnosis 6.1.2)
Fan motor faulty.
(Refer fault diagnosis 6.1.2)
Motor timer faulty.
(Refer fault diagnosis 6.1.2)
Motor capacitor faulty.
(Refer fault diagnosis 6.1.2)
Wiring.
Turn on.
Depress switch. Switch will illuminate.
Ensure electrical supply correct.
Replace.
(Refer service section 6.3.4)
Close door.
Clear obstruction.
Adjust.
(Refer service section 6.4.2)
Replace.
(Refer service section 6.3.2)
Replace.
(Refer service section 6.3.11)
Replace.
(Refer service section 6.3.12)
Replace.
(Refer service section 6.3.13)
Check and tighten any loose wiring.
FAN ONLY OPERATES IN ONE DIRECTION
OVEN LIGHT NOT ILLUMINATING - DOOR OPEN
OVEN LIGHT NOT ILLUMINATING - DOOR CLOSED
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Motor timer faulty.
(Refer fault diagnosis 6.1.2)
Blown bulb.
No power to light.
(Refer fault diagnosis 6.1.3)
Blown bulb.
Light switch faulty.
(Refer fault diagnosis 6.1.4)
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Replace.
(Refer service section 6.3.13)
Replace.
(Refer service section 6.3.1)
Correct fault.
Replace.
(Refer service section 6.3.1)
Replace.
(Refer service section 6.3.4)
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FAULT POSSIBLE CAUSE REMEDY
60 MINUTE TIMER WILL NOT TIME DOWN
60 MINUTE TIMER INACCURATE BELOW 20 MINUTES
60 MINUTE TIMER NO TIME UP BUZZER
60 MINUTE TIMER NO TIME UP INDICATOR
NO HEAT - FAN ELEMENT NOT WORKING
Timer faulty.
Timer not set correctly.
Zero (time up) position not set correctly.
Buzzer faulty.
(Refer fault diagnosis 6.1.5)
Timer not switching on buzzer.
(Refer fault diagnosis 6.1.5)
Indicator faulty.
(Refer fault diagnosis 6.1.6)
No power to thermostat. (Refer fault diagnosis 6.1.7)
Thermostat faulty.
(Refer fault diagnosis 6.1.7)
Fan element not working.
(Refer fault diagnosis 6.1.7)
Heating power relay faulty. (Refer fault diagnosis 6.1.7)
Replace.
(Refer service section 6.3.6)
For timer settings below 20 minutes, always rotate past 20 minutes, then back to desired time.
(Refer service section 6.4.3)
Replace.
(Refer service section 6.3.5)
Replace timer.
(Refer service section 6.3.6)
Replace.
(Refer service section 6.3.3)
Identify fault and correct.
Replace.
(Refer service section 6.3.7)
Replace.
(Refer service section 6.3.9)
Replace.
(Refer service section 6.3.8)
NO TEMPERATURE CONTROL
Thermostat faulty.
(Refer fault diagnosis 6.1.8)
Heating relay faulty. (Refer fault diagnosis 6.1.8)
SLOW RECOVERY Overloading of oven.
Electrical supply incorrect.
Fan not working.
Thermostat calibration. (Refer fault diagnosis 6.1.9)
NO THERMOSTAT HEATING INDICATOR LIGHT
Indicator faulty.
(Refer fault diagnosis 6.1.10)
Replace.
(Refer service section 6.3.7)
Replace. (Refer service section 6.3.8)
Reduce oven loading.
Check supply voltage is as per rating plate voltage.
Check fan operation.
Correct calibration.
(Refer service section 6.4.1)
Replace.
(Refer service section 6.3.3)
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FAULT POSSIBLE CAUSE REMEDY
DOOR DOES NOT CLOSE Tray in way of door.
Door seal obstruction.
Door hinges worn.
Door hinge counter brackets worn.
DOOR SEAL LEAKS Door seal damaged.
Door seal incorrectly fitted.
Correctly position tray in rack.
Correctly install door seal.
(Refer service section 6.3.16)
Replace.
(Refer service section 6.3.18)
Replace. (Refer service section 6.3.19)
Replace. (Refer service section 6.3.16)
Correctly install door seal.
(Refer service section 6.3.16)
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6. 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 FAULT DIAGNOSIS..............................................................................................................16
6.1.1 Oven Does Not Operate / Start............................................................................16
6.1.2 Fan Does Not Operate.........................................................................................16
6.1.3 Oven Light Not Illuminating—Door Open ............................................................17
6.1.4 Oven Light Not Illuminating—Door Closed ..........................................................17
6.1.5 60 Minute Timer No Time Up Buzzer ..................................................................17
6.1.6 60 Minute Timer No Time Up Indicator................................................................17
6.1.7 No Heat (Fan Element Not Working) ...................................................................17
6.1.8 No Temperature Control ......................................................................................18
6.1.9 Slow Recovery .....................................................................................................18
6.1.10 No Thermostat Heating Indicator.........................................................................18
6.2 ACCESS ................................................................................................................................19
6.2.1 Control Panel .......................................................................................................19
6.2.2 Service Panel (Rear Panel) .................................................................................19
6.2.3 Baffle ....................................................................................................................19
6.2.4 E27 Control Panel (Rear).....................................................................................19
6.3 REPLACEMENT....................................................................................................................20
6.3.1 Light Bulb / Glass .................................................................................................20
6.3.2 Door Microswitch .................................................................................................20
6.3.3 Indicator Neon Light.............................................................................................20
6.3.4 Power / Lights ......................................................................................................20
6.3.5 Buzzer ..................................................................................................................20
6.3.6 Bake Timer...........................................................................................................21
6.3.7 Thermostat ...........................................................................................................21
6.3.8 Relay ....................................................................................................................21
6.3.9 Element ................................................................................................................21
6.3.10 Fan.......................................................................................................................22
6.3.11 Motor....................................................................................................................22
6.3.12 Fan Motor Timer ..................................................................................................22
6.3.13 Fan Motor Capacitor ............................................................................................22
6.3.14 Outer Glass..........................................................................................................23
6.3.15 Inner Glass...........................................................................................................23
6.3.16 Door Seals ...........................................................................................................23
6.3.17 Door Handle.........................................................................................................23
6.3.18 Door Hinges .........................................................................................................24
6.3.19 Hinge Counter Brackets.......................................................................................24
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6.4 ADJUSTMENT / CALIBRATION ..........................................................................................25
6.4.1 Thermostat Calibration.........................................................................................25
6.4.2 Door Microswitch Adjustment ..............................................................................25
6.4.3 60 Minute Timer Zero Position Adjustment..........................................................26
6.4.4 Buzzer Volume Adjustment..................................................................................26
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6.1 FAULT DIAGNOSIS
6.1.1 OVEN DOES NOT OPERATE / START
Incorrect electrical supply
Check that the voltage across phase and neutral (L1 and L2) terminals of terminal block is the voltage as stated on the unit’s electrical rating plate.
If incorrect, check electrical connection of supply wiring and / or check electrical supply.
Power switch faulty
Check if power switch latches. If the switch does not latch, then switch is faulty—replace.
With switch latched, check voltage across terminal one to terminal three or four. If there is no voltage, check for fault in wiring.
Check voltage across terminal two to terminal three or four. If there is no voltage, then switch is faulty—replace.
NOTE:
6.1.2 FAN DOESN’T OPERATE
Microswitch out of adjustment
Open oven door and manually depress door microswitch actuator at top right of oven. If this activates the fan, then the microswitch actuator arm inside control cavity requires adjustment.
Microswitch faulty
Check voltage from microswitch terminals to neutral.
With the door closed there should be power to the com terminal and the n.o. terminal.
With the door open there should be power to the com terminal and the n.c. terminal.
If not, microswitch is faulty—replace.
When power switch is latched, it
should illuminate if operating correctly.
Fan motor timer faulty
With oven switched on, and door closed, ensure that the cams on the motor timer are rotating.
Motor Cams
(Rotate one
revolution every
3 minutes)
Figure 6.1.2
If cams are rotating, then isolate the power supply from the oven. Remove the bottom wire from the left hand switch terminals. Rotate the cams manually whilst testing for continuity through the left hand switch. Check that the continuity cycles as the cams are rotated. 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 between each cycle.
On 60Hz models the power should cycle for approximately 65 seconds through each switch, with an 8 second delay between each cycle.
If there is no continuity, or the continuity does not cycle correctly then timer is faulty - replace.
Fan motor capacitor faulty
Ensure that oven is isolated from the power supply. Disconnect all wires from the motor terminal block, except for the two capacitor wires. Briefly short across the capacitor terminals, to ensure that it is fully discharged.
Using a multimeter, measure the resistance across capacitor terminals.
Microswitch
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Figure 6.1.1
com
n.c.
n.o.
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Capacitor Terminals
Figure 6.1.3
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The resistance should start low and quickly increase to infinity within 5-10 seconds. If the resistance does not increase at all, then the capacitor is shorted - replace. If the capacitor is infinite resistance straight away then it is open-circuit - replace. If the resistance never goes very high then the capacitor is leaky ­replace.
Fan motor faulty
At rear of oven, check that there is supply voltage from neutral to both of the phase terminals on the motor terminal block.
Neutral
Phase
Phase
bottom terminal. If there is no voltage, then replace the switch.
If voltage is correct, then check wiring to light.
NOTE:
Alternately, perform a continuity test
across the terminals with the light switch depressed.
6.1.5 60 MINUTE TIMER NO TIME UP
BUZZER
Buzzer faulty
With timer in ‘zero’ position, check the buzzer at bottom of control panel (inside) for voltage across terminals. If voltage is correct then buzzer is faulty—replace.
If there is no voltage, then check wiring.
Buzzer Terminals
Figure 6.1.4
If the voltage to the motor terminal block is correct, and the capacitor is not faulty, then check the oven fan for free rotation. Remove any obstruction.
If fan is free to spin and the voltage supply is correct, then the motor is faulty—replace.
6.1.3 OVEN LIGHT NOT ILLUMINATING—
DOOR OPEN
No power to light
Check the supply voltage across lamp housing terminals at rear of oven. If the voltage is correct, replace the bulb (if faulty). If the bulb is OK, check lamp housing. Replace if faulty.
If there is no voltage, check voltage across micro-switch terminals to neutral.
With the door closed there should be power to the com terminal and the n.o. terminal.
With the door open there should be power to the com terminal and the n.c. terminal.
If not, microswitch is faulty—replace.
Buzzer
Figure 6.1.5
Timer not switching on buzzer
With timer in zero position, check voltage to terminal 1 and terminal 2 of timer. If there is no voltage at terminal 1 then check wiring.
If no voltage at terminal 2 then timer is faulty—replace.
NOTE:
Buzzer and time up indicator will con­tinue until the timer manually switched off (to vertical position).
6.1.6 60 MINUTE TIMER NO TIME UP
INDICATOR
Indicator faulty
With the timer in the zero position, check for voltage across the indicator light. If correct, then the indicator light is faulty—replace.
If there is no voltage then check wiring.
6.1.7 NO HEAT
6.1.4 OVEN LIGHT NOT ILLUMINATING—
DOOR CLOSED
Light switch faulty
Check voltage to the top terminal of the switch. If there is no voltage, then check wiring.
With switch depressed, check voltage at
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No power to thermostat
With door closed, check voltage to terminal P of the oven thermostat. If there is no voltage then check voltage to terminal NO of door microswitch. If there is no voltage then refer
6.1.2, microswitch out of adjustment / faulty. If there is voltage then check wiring to the thermostat.
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Thermostat faulty
Set thermostat to 200°C or 400°F. Check the voltage out of terminal 1 on the thermostat. If there is no voltage (and there is voltage at terminal P) then the thermostat is faulty— replace.
If the voltage is correct and the heating light is on then check all wiring to elements.
Fan element faulty (blown)
With the thermostat on and heating check voltage across fan element terminals at rear of oven. If the voltage is correct then check the current draw of element. If there is no current draw then element is faulty—replace.
NOTE:
Correct fan element current draw: E27 208-220 V: 13.4A ± 1.5A E27 230-240 V: 12.1A ± 1.5A
Element Wires
6.1.9 SLOW RECOVERY
Thermostat out of calibration
Place an accurate digital thermometer probe in centre of oven. Set thermostat to 180°C or 355°F. Close the oven door and allow oven thermostat to cycle on and off twice. Record oven centre temperature for the next thermostat on and off cycle. The thermostat should cycle on and off between 165°C and 195°C or 330°F and 385°F when set to the above temperature. If oven temperature is outside these ranges, then the thermostat requires recalibration.
NOTE:
Thermostat cycling span should be
±15°C or 27°F
6.1.10 NO THERMOSTAT HEATING
INDICATOR
Indicator faulty
With the thermostat on and heating, check the voltage across the indicator terminals. If the voltage is correct then the indicator is faulty— replace.
If there is no voltage then check wiring.
Figure 6.3.10
Heating power relay faulty
Set thermostat to 200°C or 400°F. With door closed, check voltage from terminal B to terminal A of heating relay. If no voltage check wiring. Check voltage to terminal 6. If voltage at terminal 6 but no voltage at terminal 4 then the relay is faulty - replace.
6.1.8 NO TEMPERATURE CONTROL
Thermostat faulty
With thermostat in ‘off’ position (knob vertical), slowly turn thermostat up until heating indicator just comes on. Wait for heating indicator to cycle off. If indicator has not cycled off after 10 minutes then thermostat is faulty—replace.
NOTE:
E27 thermostat may cycle on and off with the knob set to the ‘off’ position if the oven temperature is below 20°C.
Heating relay faulty
With power switch off on control panel, check for voltage at terminal 4 of heating relay. If there is voltage then the heating relay is faulty—replace.
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6.2 ACCESS
6.2.1 CONTROL PANEL
6.2.4 E27 CONTROL PANEL—REAR
1) Undo one screw at bottom of control
panel.
One Screw
Figure 6.2.1
2) Pull out bottom of control panel and drop
down to disengage tabs at top of control panel.
6.2.2 SERVICE (REAR) PANEL
1) Undo the four screws holding the panel.
Power Switch
Heating Indicator
Thermostat
Bake Time Up Indicator
60 min Bake Timer
Light Switch
Buzzer
Figure 6.2.2
2) Remove panel.
6.2.3 BAFFLE
1) Remove all trays and racks.
2) Loosen two thumb screws (top).
Thumb screws
Figure 6.2.4
Four Screws
Figure 6.2.3
3) Lift baffle to disengage from locating studs
and thumbscrews, and remove baffle.
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6.3 REPLACEMENT
6.3.1 LIGHT BULB / GLASS
1) Remove baffle (refer 6.2.3).
2) Unscrew lamp cover.
Lamp Cover
Figure 6.3.1
3) Unscrew bulb out of fitting.
4) Screw in replacement bulb.
5) Replace lamp cover and baffle.
6.3.2 DOOR MICROSWITCH
1) Open oven door.
2) Open control panel (refer 6.2.1).
3) Remove two screws holding microswitch
and insulator to bracket.
Neon Wires
Figure 6.3.3
2) From back push neon through front of panel rotating clockwise.
3) Push new neon in from front of panel, and reconnect wires.
6.3.4 POWER / LIGHT SWITCHES
1) With control panel open (refer 6.2.1) remove the wires from the back of the switch, noting their positions.
Switch Wires
Two Screws
Figure 6.3.2
4) Transfer wires to new micro-switch and re-assemble.
5) Adjust microswitch (refer 6.4.2).
6.3.3 INDICATOR NEON LIGHT
1) With control panel open (refer 6.2.1) remove the wires from the back of the neon.
Figure 6.3.4
2) From back push switch through front of panel.
3) Push new switch in from front of panel, and reconnect wires.
6.3.5 BUZZER
1) Remove control panel (refer 6.2.1).
2) Remove two screws holding buzzer to panel.
Two Screws
Figure 6.3.5
4) Transfer wires to new buzzer.
5) Reassemble in reverse order.
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6.3.6 BAKE TIMER
6.3.8 RELAY
1) Remove bake timer knob by pulling it firmly away from control panel.
2) Open control panel (refer 6.2.1) and undo two screws securing timer.
Two Screws
Figure 6.3.6
3) Transfer wires to new timer.
4) Withdraw old timer and insert new timer, securing with screws.
5) Replace knob.
6.3.7 THERMOSTAT
1) Pull knob off front of thermostat
2) Open control panel (refer 6.2.1) and undo two screws securing thermostat.
1) Remove service panel (refer 6.2.2).
2) Undo two screws securing relay to oven.
Two Screws
Figure 6.3.9
3) Transfer wires to new relay, and secure to oven with screws.
6.3.9 ELEMENT
1) With service panel and baffle removed (refer 6.2.2 and 6.2.3) remove the wires from the rear of the element.
Two Screws
Figure 6.3.7
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.
Two Screws
Figure 6.3.8
5) Withdraw old thermostat phial through rear of oven.
6) Insert new thermostat.
7) Re-assemble in reverse order.
Element Wires
Figure 6.3.10
2) Unscrew the element from inside the oven.
3 Screws
Figure 6.3.11
3) Pull element carefully to remove.
4) Replace and re-assemble in reverse order.
Element Ratings (±5%)
208-220V Fan Element 15.5 ohms
230-240V Fan Element 20.5 ohms
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6.3.10 FAN
1) With baffle removed (refer 6.2.3) loosen the grub screw on the hub of the fan.
4) Replace and re-assemble in reverse order.
5) Ensure wire connections are correct (fig
6.3.13)
6.3.12 MOTOR DIRECTION TIMER
Grub Screw
Figure 6.3.12
2) Withdraw the fan from the shaft.
3) Replace and re-assemble in reverse order.
NOTE:
Ensure Teflon sealing washer is in position on fan shaft between fan and oven rear.
6.3.11 MOTOR
1) Remove fan (refer 6.3.10), and remove service panel (refer 6.2.2).
2) Remove the brown, blue and black wires that go to the motor from the motor terminal block.
Brown
1) Open control panel (refer 6.2.1).
2) Remove wires from the timer, noting their positions, and the wire to the timer motor from the control panel.
3) Remove the four screws securing the timer to the timer mounting bracket.
Four Screws
Figure 6.3.15
4) Replace the timer and reassemble in reverse order.
Blue
White
Black Black
Figure 6.3.13
3) Undo the four screws holding the motor and bracket in place and remove the motor.
Screws (x4)
Figure 6.3.14
6.3.13 MOTOR CAPACITOR
1) Remove service panel (refer 6.2.2).
2) Undo the nut securing capacitor to oven.
Nut
Figure 6.3.16
3) Remove the capacitor wires from the motor terminal block.
4) Replace with new capacitor, and re­assemble in reverse order.
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6.3.14 OUTER GLASS (E27)
1) Open the oven door.
2) Lock hinges into position by rotating the hinge locking clip over the hinge locking notch.
Hinge Locking Notch
3) Uncrimp the retaining lugs of the window spacer and remove the spacer and glass.
Retaining
Lugs
Figure 6.3.20
Hinge Locking Clip
Figure 6.3.17
3) Lift door away from the oven and place on a flat surface.
4) Undo three screws and remove the trim from the bottom of the door. Carefully withdraw the glass.
Three Screws
Figure 6.3.18
5) To replace, ensure that the two silicone rubber seals are in place on the left hand and right hand side of the door frame. Clean the inside of the glass and refit it, ensuring that the silicone rubber seals cover the outer edges of the glass. Refit the bottom trim, and fit the door to the oven.
6.3.15 INNER GLASS (E27)
4) To replace, ensure the silicone rubber seal has not been displaced. Clean the glass and refit it. Place the window spacer in position and crimp the retaining lugs over to hold the glass in place. Refit outer glass as above.
6.3.16 DOOR SEALS
1) Open oven door.
2) To remove, hold at their 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.
6.3.17 DOOR HANDLE (E27)
1) Remove the door (refer 6.3.14).
2) Undo four screws and remove the top trim and handle assembly, taking care not to dislodge the outer glass.
3) Undo two bolts securing handle to top trim. Replace handle and reassemble in reverse order.
1) Remove the outer glass (refer 6.3.14).
2) Undo four screws and remove the top trim and handle assembly.
Four Screws
Figure 6.3.19
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Two Bolts
Figure 6.3.21
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6.3.18 DOOR HINGES
1) Remove outer glass (refer 6.3.14).
2) Undo two screws securing hinge assembly to oven door.
Two Screws
6) Remove three screws securing lintel support to oven and remove.
Three screws
Figure 6.3.22
3) Withdraw hinge assembly and replace. Reassemble in reverse order.
6.3.19 HINGE COUNTER BRACKETS
1) Remove door (refer 6.3.14).
2) Remove screws from back of oven securing wrapper to oven.
Figure 6.3.23
3) Turn oven onto its back and remove three screws at each side securing wrapper, and two securing insulation panel.
Figure 6.3.25
7) Remove wrapper.
8) Undo two screws securing left hand counter bracket to oven and remove. Replace, ensuring that bracket is installed with roller to top.
Two screws
Figure 6.3.26
9) Remove two screws securing insulation panel to oven liner.
8 screws
Figure 6.3.24
4) Undo three screws and remove lintel cover.
5) Remove control panel (refer 6.2.1) and microswitch bracket (refer 6.3.2). Place inside oven.
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Two
Screws
Insulation
panel
Figure 6.3.27
© Moffat Ltd, January 2009 E27 Convection Oven
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10) Prise open the insulation panel to allow access to the right hand counter bracket. Undo two screws securing bracket, and remove bracket.
Two screws
Figure 6.3.28
11) Replace, ensuring roller to top of bracket. Re-assemble in reverse order.
6.4 ADJUSTMENT / CALIBRATION
6.4.1 THERMOSTAT CALIBRATION
IMPORTANT: IF THE OVEN
TEMPERATURE NEEDS TO BE INCREASED, ENSURE THAT THE THERMOSTAT IS IN THE ‘OFF’ POSITION BEFORE CARRYING OUT ADJUSTMENT. IF OVEN TEMPERATURE NEEDS TO BE DECREASED, ENSURE THERMOSTAT IS IN THE ‘MAX’ TEMPERATURE POSITION BEFORE CARRYING OUT ADJUSTMENT.
1) Turn off power.
2) Remove thermostat knob by pulling it firmly away from control panel.
3) Adjust the calibration screw located in the centre of the thermostat shaft.
To increase oven temperature, turn
calibration screw anticlockwise.
To decrease oven temperature, turn
calibration screw clockwise.
Adjustment of the calibration screw by 1°
angular will alter oven temperature by approximately 0.8°C (1.5°F).
Calibration Screw
Revision 4/F3563
Figure 6.4.1
6.4.2 DOOR MICROSWITCH ADJUSTMENT
1) Open oven door.
2) Open control panel (refer 6.2.1).
3) With fingers, bend actuator arm of microswitch so that switch operates when door is in closed position.
Actuator Arm
Figure 6.4.2
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6.4.3 60 MINUTE TIMER ZERO POSITION
ADJUSTMENT
1) Remove 60 minute timer knob by pulling it firmly away from control panel.
2) Open control panel (refer 6.2.1). Loosen two screws on control panel holding 60 minute timer.
Two Screws
Figure 6.4.3
3) The timer can now be rotated a small amount as required to ensure that the buzzer sounds at the zero position.
6.4.4 BUZZER VOLUME ADJUSTMENT
NOTE: The buzzer volume is set to full at the
factory. Should the volume need to be reduced then the following steps should be followed.
1) Remove control panel (refer 6.2.1).
2) Remove two screws holding buzzer to control panel.
Two Screws
Figure 6.4.4
3) Adjust volume screw on buzzer, clockwise to increase volume, and anti-clockwise to decrease volume.
Volume
Adjustment
Figure 6.4.5
4) Reassemble in reverse order.
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7. ELECTRICAL CIRCUIT SCHEMATIC
1Hr
TIMER
4
1
C
LIGHT
SWITCH
DOOR
SWITCH
56
32
No Nc
TIMER
MOTOR
NcNoNcNo
CC
BUZZER
B
TIME
UP
LIGHT
M
MOTOR
FAN
3uF
M
POWER
SWITCH
3 4
1 2
HEATING
OVEN
T/STAT
1
P
L1
B
14A
6
FAN
2.8kW
POWER
RELAY
ELEMENT
L2
E
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8. ELECTRICAL WIRING DIAGRAM
9
ELEMENT
CAPACITOR
28
3
10
27
N
22
25
28
26
BLACK WHITE
BLACK
BLUE
BROWN
BLUE
WHITE
BLACK
BLACK
BROWN
FAN MOTOR
CONNECTOR
BLOCK
23
16
17
15
9
24
46
A
POWER
B
RELAY
8
29
EARTH STUD
27
26
25
23
22
8
G
L1 L2
1
18
30
MAINS
COM
NC
NO
10
MICROSWITCH
4
5
11
POWER
3
4
2
1
1
14
2
21
20
5
6
14
15
HEAT
P
1
T/STAT
6
16
17
MOTOR TIMER
COM
Nc
No
7
18
12 19
13
19
TIMER
TIME UP
2
20
2
3
1
3
LIGHTS
1
12
2
3
4
11
TERMINAL BLOCK
30
BUZZER
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9. SPARE PARTS
PART NO DESCRIPTION
CONTROLS
M021473 M023211 M021472 M020823 M020849 M011760 M011794 BUZZER M021474 LIGHT SWITCH M024505 RELAY M003004 M003002 M013520 M013521
MOTOR & ELEMENTS
M024410 M024409 M024431 M024432 M024503 M024567 M024433 M021698
SWITCH - POWER THERMOSTAT KNOB - THERMOSTAT KNOB - BAKE TIMER NEON INDICATOR BAKE TIMER
MICROSWITCH OVEN LAMP GLASS OVEN LAMP ASSEMBLY OVEN LAMP - 240V 40W MINIATURE EDISON SCREW
OVEN FAN ELEMENT (2800W) - 230-240V OVEN FAN ELEMENT (2800W) - 208-220V FAN MOTOR CAPACITOR 3µF MOTOR TIMER 208-220V MOTOR TIMER 220-240V FAN BAFFLE SECURING SCREW
DOOR
MSA1548 MSA1768 M024405 M024404 M021468 M026498 M024377 M024378 M024378 M023218
RACKS
M024406 M024407 M023068 M024408 M025349
COMPLETE DOOR ASSEMBLY (E27) COMPLETE DOOR ASSEMBLY (E27MS) OVEN DOOR SEAL ASSEMBLY SIDE OVEN DOOR SEAL ASSEMBLY TOP/BOTTOM HANDLE (E27) HANDLE (E27MS) DOOR OUTER GLASS (E27) DOOR INNER GLASS (E27 DOOR INNER AND OUTER GLASS (E27MS) DOOR HINGE
OVEN SIDE RACK LH OVEN SIDE RACK RH SIDE RACK SCREW WIRE OVEN RACK (NORTH AMERICAN MODELS)
WIRE OVEN RACK (ALL OTHER MODELS)
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10. ACCESSORIES
OVEN RACKS (PART NO M024408)
A28 STAINLESS STEEL STAND
FOUR INCH FOOT OPTION (PART NO M013048)
ONE INCH FOOT OPTION
(PART NO M013908)
DOUBLE STACKING KIT (PART NO M024419)
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11.1 MAIN ASSEMBLY
11. PARTS DIAGRAMS
2
3
53 54
55
51
50 49
14
15 16 16 15
52
4
5
6
9
10
11
12
13
17
18
19
20
21
8 7
9
10
43
48
1
47
46
45
44
5
42
43
39
41
42
40
39
38
37
36
35
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23 25 26
22 23 24
-31-
30 32 33 34
31
28
21
27
29
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Pos Part No. Description
1 2 3 4
M004914 M024393 M024381
M004913
OVEN – ENAMELLED WRAPPER LINTEL SUPPORT
LINTEL – ENAMELLED 5 024405 SIDE SEAL ASSEMBLY 6 7
8 9 10
M023219 M024410 M024409 M024433
M024398 BAFFLE BRACKET TOP M024507 BAFFLE BRACKET BOTTOM
HINGE COUNTER BRACKET
OVEN ELEMENT 2800W – 240V
OVEN ELEMENT 2800W – 208V
OVEN FAN
M014031 STANDOFF
11 12 13 14 15 16 16 17 18 19 20 21 22 23 24
M024526
M021698
M017770
M024406
M023068
M024408
M025349
M024407
M024413
M021468
M024394
M024477
M024377
M004919
M024378
M090201
25 26 27 28 29
M024392
M024414
M004918
M023218
MSA1550
MSA1551 30 31 32 33
M024394
M013908
M024396
M024503
M024567
34 35
M024504
M017185
M010162
M017453
M012206
36 37
M019213
M018251 38 M002138
M002441
39 40 41 42 43 44 45
M013586
M019238
M024505
M024395
M024404
M024379
M021637
M021638
BAFFLE BAFFLE SCREW PHIAL GUARD LEFT HAND SIDE RACK SIDE RACK SCREW OVEN RACK (NORTH AMERICAN MODEL)
OVEN RACK (ALL OTHER MODEL)
RIGHT HAND SIDE RACK TOP TRIM
(Refer Section 11.3 for E27MS Door Assembly)
DOOR HANDLE (Refer Section 11.3 for E27MS Door Assembly) HANDLE STIFFENER (Refer Section 11.3 for E27MS Door Assembly) OUTER GLASS SEAL (Refer Section 11.3 for E27MS Door Assembly) DOOR OUTER GLASS GLASS CLAMP ANGLE (Refer Section 11.3 for E27MS Door Assembly) DOOR INNER GLASS (Refer Section 11.3 for E27MS Door Assembly)
INNER GLASS SEAL (Per meter)
INNER GLASS (SEAL Refer Section 11.3 for E27MS Door Assembly) BOTTOM TRIM (Refer Section 11.3 for E27MS Door Assembly) DOOR INNER PANEL (Refer Section 11.3 for E27MS Door Assembly) HINGE CONTROL PANEL ASSEMBLY BAKBAR (REFER SECTION 11.2) CONTROL PANEL ASSEMBLY MOFFAT (REFER SECTION 11.2) OVEN BODY FOOT ASSEMBLY INSULATION PANEL MOTOR TIMER 208-220V MOTOR TIMER 220-240V MOTOR TIMER MOUNTING BRACKET CORDSET 15A – NZ/AUST POWERFLEX CORD 15A – EXPORT CORDSET 13A FUSED – UK CORDSET 15A – USA/CANADA SNAP BUSH 32mm CABLE ENTRY BRACKET CABLE CLAMP INSULATOR TERMINAL
BLOCK SNAP BUSH 26mm RELAY 30A FOOT CHANNEL OVEN TOP/BOTTOM SEAL ASSEMBLY COVER PANEL MICROSWITCH BUTTON PIN CIRCLIP
(Refer Section 11.3 for E27MS Door Assembly)
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46 47 48 49
50
51 52 53 54 55
M044210 M013610 M003016 M013520 M003434 M013521 M003002 M024431 M024478 M024432 M003004 M013977 M023093
M024399
SPIRE CLIP DOOR BUSH MOTOR MOUNTING PLATE OVEN LAMP ASSEMBLY SILK GASKET LAMP 40W LIGHT GLASS MOTOR MOTOR SHAFT SEAL CAPACITOR 3µF MICROSWITCH INSULATOR MICROSWITCH MOUNTING BRACKET VENT TUBE
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11.2.1 CONTROL PANEL ASSEMBLY - E27
7
6
4
5
4
3
2 1
Pos Part No. Description
1
2 3 4 5 6 7 8 9
M004916 M004915 M004917
M021474 M020823 M020849 M021472 M021473 M023211 M011760 M011794
CONTROL PANEL °C – BAKBAR CONTROL PANEL °C – BLUE SEAL CONTROL PANEL °F – MOFFAT LIGHT SWITCH TIMER KNOB INDICATOR NEON THERMOSTAT KNOB POWER SWITCH THERMOSTAT 50-250°C (120-480°F) TIMER – 60 MIN BUZZER
8
9
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11.2.2 CONTROL PANEL ASSEMBLY - E27MS
Pos Part No. Description
1 2 3 4 6 7 9 10 11 14
M026487 M021473 M020849 M023211 M021472 M011760 M020823 M021474 M011794
M026613 OVERLAY - BLUE SEAL M026496
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CONTROL PANEL POWER SWITCH INDICATOR NEON THERMOSTAT KNOB - THERMOSTAT 1 HOUR TIMER KNOB - TIMER LIGHT SWITCH BUZZER
OVERLAY - MOFFAT
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11.3 E27MS DOOR ASSEMBLY
Pos Part No. Description
1 2 3 4 5 6 7
8
M005038
M023218
M026485 M026579
M026498 M024378
M024392
M090201P
M026492
DOOR INNER WA HINGE DOOR OUTER PANEL HANDLE STIFFENER DOOR HANDLE PLATED DOOR INNER GLASS INNER GLASS SEAL
INNER GLASS SEAL (7' Length)
GLASS CLAMP ANGLE
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AUSTRALIA
11. SERVICE CONTACTS
VICTORIA -
NEW SOUTH WALES - MOFFAT PTY
QUEENSLAND - MOFFAT PTY
SOUTH AUSTRALIA - MOFFAT PTY
WESTERN AUSTRALIA - MOFFAT PTY
MOFFAT PTY
HEAD OFFICE AND MAIN WAREHOUSE
740 Springvale Road Tel (03) 9518 3888 Mulgrave VIC 3170 Fax (03) 9518 3838 Spare Parts Department Free Call 1800 337 963
Unit 3/142 James Ruse Drive Tel (02) 8833 4111 Rosehill Spare Parts Free Call 1800 337 963
30 Prosperity Place Tel (07) 3630 8600 Geebung QLD 4034 Spare Parts Free Call 1800 337 963
28 Greenhill Rd Tel (08) 8274 2116 Wayville SA 5034 Spare Parts Free Call 1800 337 963
PO Box 689 Tel (08) 9305 8855 Joondalup Business Centre WA 6027 Spare Parts Free Call 1800 337 963
NSW
2142
Fax (03) 9518 3895
Fax (03) 9518 3895
Fax (03) 9518 3895
Fax (03) 9518 3895
Fax (03) 9518 3895
NATIONAL COVERAGE FOR 24 HOUR SERVICE OR MAINTENANCE DIAL
FREE CALL 1800 622 216 (AUSTRALIA ONLY)
CANADA
SERVE CANADA 22 Ashwarren Rd Tel 416-631-0601 Do
wnview Fax 416-631
M3J1
Ontario
Z5
NEW ZEALAND
CHRISTCHURCH - MOFFAT LTD
16 Osborne St Tel (03) 389 1007 PO Box 10-001 Fax (03) 389 1276
hristchur
C Spare Parts Free Call 0800 MOFFAT
AUCKLAND - MOFFAT LTD
4 Waipuna Road Tel (09) 574 3150 Mt Wellington Fax (09) 574 3159 A
uckland
Spare Parts Free Call 0800 MOFFAT
ch
-0315
(0800 6633 28)
Fax (03) 381 3616
(0800 66 33 28)
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UNITED KINGDOM
BLUESEAL LTD Units 6-7 Mount St Business Park Tel 0121-327 5575 Mount St Fax 0121-327 9711 Birmingh
am B7
5QU
England
UNITED STATES OF AMERICA
MOFFAT INC. 3765 Champion Blvd Winston-Salem NC27115
NATIONAL COVERAGE FOR SERVICE OR MAINTENANCE DIAL
FREE CALL 18668733973 (USA ONLY)
Tel 1-866-673-3973 Fax 336 661 9546
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APPENDIX A. DOUBLE STACKING KIT (24419)
Kit Includes: Part No
1 x Vent Duct 24306 1 x Vent Pipe 24307 1 x Saddle Clamp 10023 1 x Double Stack Front 04921 2 x Double Stack Side 24509 1 x Double Stack Rear 24510 25 x 2 x ½” x 8 Phillips Head Black Screw 41046 2 x Black Fibre Washer 45605
Assembly Instructions: (THE ELECTRICAL SUPPLY MUST BE DISCONNECTED)
A. Bottom Unit
1. Position vent duct on bottom unit over oven vent. Temporarily locate double stack rear in correct position on top of bottom unit. Centrally locate the vent duct in the cut-out. Check that the oven vent is covered and mark the five hole positions (two down each side of the flue duct and one at front) on the oven wrapper.
2. Drill five ø3.5mm holes in 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 three screws securing the top lintel to the bottom oven, and remove the lintel. Remove the four screws from the top rear of the oven wrapper.
B. Top Unit
1. Remove all trays and racks from oven. Tip oven upside down and remove the feet screwed into the base.
2. Remove the six screws (three each side) securing the oven wrapper to the sides of the oven. Position the double stack sides flush with the sides and front of the oven, and secure each with three screws.
3. Remove the three screws along the front bottom edge of the oven. Position the double stack
front over these three screw holes. Flush the ends of the double stack front with the sides of the unit and secure to the double stack sides using the two black screws (with fibre washers). Secure to bottom of oven with three screws.
4. Secure the double stack rear to the double stack sides with two screws.
3
/8" x 8A Pozi Pan Hd Screw 41045
(Refer figure 1)
Double Stack Rear
Remove Lintel
Figure A.1
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C. Stacking the Ovens (Refer figure A.2)
1. With two persons, lift the top oven onto the bottom oven and position slightly forward so that
the double stack front engages with the lintel support on the bottom oven, then slide the top oven back until the double stack rear locates over the bottom oven.
2. Secure double stack rear to bottom unit with four screws. Secure the double stack front to the
lintel support of the bottom unit with three screws.
3. Remove the rear cover panel from the top unit. Fit the vent pipe to the vent duct then
secure pipe to the rear panel of the top unit using the saddle clamp and two screws.
4. Using pliers or similar, knock out the notches at the top and bottom of the rear cover panel
that allow for the vent pipe. Refit the rear cover panel to the top unit.
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Figure A.2
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