turbofan E20M Series User manual

234090-7
Installation and Operation Manual
E20M Series
(Manual Operation)
2 20M SERIES

The reproduction or copying of any part of this manual by any means whatsoever is strictly forbidden unless authorized previously in writing
by the manufacturer.
In line with policy to continually develop and improve its products, Moffat Ltd. reserves the right to change the specifications and design
without prior notice.
© Copyright Moffat Ltd. July 2012.
MANUFACTURED BY
Moffat Limited
Christchurch
New Zealand
INTERNATIONAL CONTACTS
AUSTRALIA
Moffat Pty Limited www.moffat.com.au
E.Mail: [email protected]
Main Office: (tel) [phone]
(fax) (03 9518 3833
Service: (tel): 1800 622 216
Spares: (tel): 1800 337 963
Customer Service: (tel): 1800 335 315
(fax): 1800 350 281
CANADA
Serve Canada
Web: www.servecanada.com
E.Mail: [email protected]
Sales: (tel): 800 551 8795 (Toll Free)
Service: (tel): 800 263 1455 (Toll Free)
NEW ZEALAND
Moffat Limited
Web: www.moffat.co.nz
E.Mail: [email protected]
Main Office: (tel): 0800 663328
UNITED KINGDOM
Blue Seal
Web: www.blue-seal.co.uk
E.Mail: [email protected]
Sales: (tel): 0121 327 5575
(fax): 0121 327 9711
Spares: (tel): 0121 322 6640
(fax): 0121 327 9201
Service: (tel): 0121 322 6644
(fax): 0121 327 6257
UNITED STATES
Moffat
Web: www.moffat.com
Sales: (tel): 800 551 8795 (Toll Free)
(tel): 336 661 1556
(fax): 336 661 9546
Service: (tel): 800 858 4477 (Toll Free)
(tel): 336 661 1556
(fax): 336 661 1660
REST OF WORLD
Moffat Limited
Web: www.moffat.co.nz
E.Mail: [email protected]

Contents List
E20M Series Turbofan Convection Ovens.
Model Numbers Covered in this Manual
E22M3 - Turbofan Oven - 3 Tray Convection Oven.
E23M3 - Turbofan Oven - 3 Tray Convection Oven.
E27M2 - Turbofan Oven - 2 Tray Convection Oven.
E27M3 - Turbofan Oven - 3 Tray Convection Oven.
E28M4 - Turbofan Oven - 4 Tray Convection Oven.
Introduction ........................................................................................................... 2
Safety Information
Specifications ......................................................................................................... 3
Installation .............................................................................................................4
Installation Requirements
Unpacking
Location
Clearances
Stand Mounted Ovens
Electrical Connection
Positioning and Levelling of Oven
Initial Start-Up
Operation................................................................................................................ 6
Operation Guide
Oven Control Panel
Description of Controls
Using the Oven
Cleaning and Maintenance ..................................................................................... 7
Cleaning Guidelines
Oven Cleaning
Periodic Maintenance
Fault Finding.........................................................................................................10
Electrical Schematics............................................................................................11
Replacement Parts List......................................................................................... 13

Introduction
2
Before using your new oven, please read this instruction
manual carefully, pay particular attention to any information
labelled ‘WARNING’, ‘CAUTION’, ‘IMPORTANT’ or
‘NOTE’ in this manual.
Indicates a hazardous situation
which, if not avoided, will result in
death or serious injury.
Indicates a hazardous situation
which, if not avoided, will result in
minor or moderate injury.
If you are unsure of any aspect of the installation,
instructions or performance of your oven, contact your
TURBOFAN dealer promptly. In many cases a phone call
could answer your question.
Should you contact your TURBOFAN dealer on any matter
concerning this oven, please have the information provided
opposite, readily available.
Caution
Warning
Model Number:
Serial Number:
Dealer:
Service Provider:
Date Installed:
Date Purchased:
This manual must be kept by the owner for future
reference.
A record of the Date of Purchase, Date of Installation
and Serial Number of the oven should be recorded in
the area provided below.
The serial number of this oven can be found on the
Technical Data Plate located on the front right hand
side panel, see diagram in ‘Installation Section’.
Safety Information
For your safety, please pay attention to the following symbols
marked on the appliance.
- Risk of electric shock.
No user serviceable parts inside.
Qualified service person access only.
Disconnect from power before servicing.

Specifications
3
E22M3
E23M3
E27M2 / E27M3
E28M4
Oven Tray Details
Tray Capacity Tray Spacing
E22M3
110-120V, 1P+N+E, 60HZ, 1.5 kW
220-240V, 1P+N+E, 50/60HZ, 2.0 kW
E22M3
3 x EN 2/3Tray
3 x US ½ Pan 70 mm / 2 3/4”
E23M3
208V, 1P+N+E, 50-60 HZ, 2.7 kW
220V, 1P+N+E, 50-60 HZ, 3.0 kW
230-240V, 1P+N+E, 50-60 HZ, 3.0 kW
E23M3
3 x EN 2/3Tray
3 x US ½ Pan 85 mm / 3 1/3”
E27M2
208V, 1P+N+E, 50-60HZ, 2.7kW
220V, 1P+N+E, 50-60HZ, 3.0kW
230-240V, 1P+N+E, 50-60HZ, 3.0kW
E27M2
2 x EN 600 x 400 mm Tray
2 x US Full Pan 110 mm / 4 1/3”
E27M3
208V, 1P+N+E, 50-60HZ, 4.2kW
220V, 1P+N+E, 50-60HZ, 4.7kW
230-240V, 1P+N+E, 50-60HZ, 4.7kW
E27M3
3 x EN 600 x 400 mm Tray
3 x US Full Pan 85 mm / 3 1/3”
E28M4
208V, 1P+N+E, 50-60HZ, 5.4kW
220V, 1P+N+E, 50-60HZ, 6.0kW
230-240V, 1P+N+E, 50-60HZ, 6.0kW
E28M4
4 x EN 600 x 400 mm Tray
4 x US Full Pan 76 mm / 3 ”
Oven Power Ratings

Installation
4
Installation Requirements
Unpacking
1. Remove all packaging and transit protection including
all protective plastic coating from the exterior stainless
steel panels.
2. Check the oven and supplied parts for damage. Report
any damage immediately to the carrier and distributor.
3. Check that the following parts have been supplied with
your oven:-
4 x Leg Adjustable.
4. Report any deficiencies to the distributor who supplied
your oven.
5. Securely fit the 4 legs supplied with the oven.
6. Check that the available electrical supply is correct to
that shown on the Technical Data Plate located on the
front right hand side panel.
 Refer to ‘Specifications’ section, ‘Oven
Specifications Tables’.
Location
1. Position the oven in its approximate working position.
2. The unit should be positioned so that the control panel
and oven shelves are easily reachable for loading and
unloading.
Clearances
To ensure correct ventilation for the motor and controls,
the following minimum installation clearances are to be
adhered to:-
Stand Mounted Oven
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.
Important:
The vent located at the top (E22 Ovens) or rear (Other 20
Series Ovens) of the oven must NOT be obstructed.
Rear 25 mm / 1”.
LH Side 25 mm / 1”.
RH Side 25 mm / 1”.
CLEARANCE FROM SOURCE OF HEAT.
A minimum distance of 300mm (12”) from the
appliance sides is required.
Important:
 Installation shall comply with local electrical, health and safety requirements.
 It is most important that this oven is installed correctly and that oven operation is correct before use.
 If you have any questions regarding the proper installation and / or operation of this oven, please contact your local
Turbofan distributor.
Oven Vent Location
E23, E27, E28 Ovens
Oven Vent Location
E22 Ovens
Technical Data Plate - Location

Installation
5
Electrical Connection
Each oven should be connected to an adequately protected
power supply and an isolation switch mounted adjacent to,
but not behind the oven and must be readily accessible to
the operator. This switch must be clearly marked and
readily accessible in case of fire.
Check the electricity supply is correct to as shown on the
Technical Data Plate on the front right hand corner of the
oven side panel.
Ovens Supplied with Cordsets.
1. Ensure that the oven is fitted with the appropriate pow-
er cord and plug.
Ovens Supplied without Cordsets.
NOTE: All electrical connections must only be carried
out by a suitably qualified person.
1. Remove oven rear cover panel.
2. Bring the supply cable up
through the grommet at the
back of oven and through the
compression gland on the
electrical switchgear panel.
3. Connect the mains supply to
the appropriately marked
terminals on the terminal
block.
NOTE:
 Fixed wiring installations must incorporate an
all-pole disconnection switch.
Positioning and Levelling of Oven
1. Correctly locate the oven into its final operating position
and using a spirit level, adjust the legs so that the oven
is level and at the correct height.
2. Adjust the oven feet to level the oven.
Initial Start-Up
Before using the new oven;
1. For first time use of the oven, operate the oven for
about 1 hour at 200°C / 400°F to remove any fumes or
odours which may be present.
2. Please refer to the Operation Section of this manual for
details on how to correctly operate and shutdown the
oven.
Grommet
Compression
Gland
Electrical
Panel
This oven must be earthed / grounded.
If the supply cord is damaged, it must be replaced by a
suitably qualified person in order to avoid a hazard.
Warning

Operation
6
Description of Controls
Power ‘On’ Indicator Light.
Indicator light illuminates when the ‘On’ / ‘Off’ -
‘Temperature’ control is turned ‘On’.
‘On’ - ‘Off’ and ‘Temperature Control’.
Used to turn the oven ‘On’ / ‘Off’ and to select the
oven temperature. Also turns the oven interior light
‘On’ / ‘Off’. (Not E22M3).
Oven Heating Indicator Light.
Indicator light illuminates when the elements are
cycling ‘On’. The oven heating indicator light will
turn ‘Off’ when the oven is up to temperature.
Timer Control (60 Minute).
Used to set the bake time. At any stage, the time
can be adjusted in either direction. For settings less
than 10 minutes, first set to a higher setting, then
turn the timer down to the time required.
Time Up Indicator Light.
Indicator light illuminates and the oven buzzer will
sound when baking is complete.
4
Using the Oven
To Turn ‘On’ the Oven;- Rotate ‘Temperature’ Control
(2) from the ‘Off’ position. ‘Power On’ Indicator light (1)
illuminates.
To Set the Temperature;- Rotate ‘Temperature ’ Control
(2) to the temperature required. ‘Oven Heating’ indicator
light (3) will remain ‘On’ until the oven is up to
temperature.
To Load the Oven;- open the oven door and load
product. Avoid delays in loading the oven as this will delay
the oven’s temperature recovery.
To Set the Timer;- Rotate the ‘Timer Control’ (4) to the
required time.
NOTE: This oven can be used without using the
‘Timer Control’, as it is purely a timer and does
not control the baking operation of the oven.
Time Up;- When the timer reaches 0 minutes the buzzer
sounds and the ‘Time Up’ indicator light (5) illuminates.
To cancel buzzer, turn Timer Control (4) to the ‘Off’
position.
To Turn ‘Off’ the Oven;- Rotate ‘Temperature’ Control
(2) to ‘Off’ position. ‘Power On’ light (1) will turn ‘Off’.
Operation Guide
 Turbofan Ovens have been designed to provide simple operation.
 This oven is intended for use in a commercial kitchen and must only be put to the use for which it was intended, i.e.
cooking food product. To use this oven correctly please read the following sections carefully:-
Oven Control Panel
2
1
2
3
4
5
5 3
1
Some parts of this oven will become VERY
HOT during use and could cause burns if
touched accidentally.
Caution

Cleaning and Maintenance
7
Cleaning Guidelines
To achieve the best results, cleaning must be regular and
thorough. If any small faults occur, have them looked at
promptly. Don't wait until they cause a complete
breakdown.
NOTE:
 Carefully read and follow the safety instructions on
the label of the cleaning product to be used.
 DO NOT use harsh abrasive scouring pads or
abrasive detergents as they could damage the oven.
 Ensure that any detergent or cleaning material has
been completely removed after each cleaning.
To keep your oven clean and operating at peak efficiency,
follow the procedures shown below:-
Oven Cleaning
NOTE:
 If the oven usage is very high, the cleaning
procedure should be carried out on a more frequent
basis.
 Allow the oven interior to cool to approx 50˚C /
120˚F before commencing cleaning.
Stainless Steel Surfaces
a. Thoroughly clean the exterior surfaces of the oven
with a damp cloth moistened with a mild detergent
solution or a soft bristled brush.
b. Baked on deposits or discolouration may require a
good quality stainless steel cleaner. Always apply
cleaner when the oven is cold and rub in the
direction of the grain.
Side Racks
a. Remove the wire oven racks.
b. Partially undo the rack / baffle securing screw (anti-
clockwise) securing the rack to oven wall, until the
rack is loose.
c. Pull racks forward to disengage the location pins at
the rear of rack from the fan baffle, remove the side
racks from the oven.
d. Clean all racks with a mild anti bacterial detergent
and hot water, using a soft bristled brush.
e. Dry the racks thoroughly with a dry cloth.
f. To refit the racks, engage the locating pins at the
rear of side rack into the locating holes in the fan
baffle at the rear of the oven.
g. At the same time locate the front of the rack over
the rack / baffle securing screw and hand tighten
the rack / baffle securing screw.
h. Refit the wire oven racks to the oven.
Fan Baffle (Not E22M3)
a. Remove side racks as shown previously.
b. Undo (anti-clockwise) and remove the rack / baffle
securing screw at the top of the fan baffle. (E27 /
E28 Ovens, have 2 rack / baffle securing screws).
c. Tilt the fan baffle forward and lift up off the location
brackets at rear of oven.
d. Clean the fan baffle with mild anti bacterial
detergent and a hot water solution using a soft
bristled brush.
e. Dry fan baffle thoroughly with a soft dry cloth
before re-fitting.
f. Refit the fan baffle and hand tighten the rack /
baffle securing screw(s) to secure the fan baffle.
Always turn off electrical power at the
mains supply before commencing cleaning.
This oven is not water proof. Do not use
water jet spray to clean interior or exterior
of the appliance.
Caution
Securing Screw
Location
Brackets
Add Image of location
of Rack Thumbscrew
with rack in place.
Side Rack
Rear
Location
Pins
Fan Baffle
Securing Screw

Cleaning and Maintenance
8
Lamp Glass (Not E22M3)
a. With side racks and fan baffle removed, unscrew
lamp glass, anti-clockwise.
b. Remove seal fitted between lamp glass and holder.
c. Clean the lamp glass using a soft cloth with a mild
anti bacterial detergent and a hot water solution.
d. Dry the lamp glass thoroughly with a dry cloth.
e. To refit the lamp glass, screw the glass in clockwise.
Do not over tighten the lamp glass.
Door Seal
a. To remove door seal, pull 1 piece seal forward until
it pulls out of groove around oven. Note way seal
is fitted to oven, with lip facing inwards.
b. Check for wear and damage to door seal and
replace as required.
c. Wash door seal in a sink, take care not to cut or
damage seal.
d. Dry the door seal thoroughly.
e. Refit door seal with lip facing into centre of oven.
f. Press door seal into locating groove in front face of
oven until seal is properly located all around oven.
Oven Interior
 Allow the oven interior to cool to approx 50˚C /
120˚F before commencing cleaning.
a. Remove the oven racks and the fan baffle as shown
previously.
b. Clean any build up of grease from the oven interior,
using a mild anti bacterial detergent, a hot water
solution and a soft bristled brush.
c. Dry the oven thoroughly with a soft dry cloth.
d. Clean the oven regularly with a good quality oven
cleaner.
Door Glass Cleaning
 Ensure that the oven door is cool before cleaning
the door glass.
a. Open the oven door.
NOTE: Maintain a hold of the door with one hand
whilst cleaning the inner glass, to prevent the
door from closing.
b. Whilst holding the oven door in the open position,
grasp the bottom of the inner glass and pull glass
towards you until the top of the inner glass rises up.
c. Grasp the inner glass by the finger tabs at the top
of the glass and raise the inner glass to the vertical
position.
Unscrew Anti-
Clockwise
Refit Seal with Lip
facing inwards
Pull Seal out of
locating channel
Finger Tabs
Remove Seal

Cleaning and Maintenance
9
d. Whilst still holding the oven door in the open
position, clean the inner glass and the inside of the
outer glass with a conventional glass cleaner.
e. Dry the oven glass thoroughly with a soft dry cloth.
f. On completion of door glass cleaning, lower the
inner glass back into the door, the glass will locate
itself in the correct position.
g. Close the oven door.
Door Inner Glass Removal
It is possible to remove the inner glass completely from
the oven door for heavy cleaning. This can be done as
follows:-
a. Open the oven door fully.
b. Using a suitable instrument, move the door lock
catches from the unlocked to the locked position to
prevent the door from closing.
c. Raise the door until it is restrained by the door lock
catches.
d. Grasp inner glass firmly on either side and pull
upwards to remove inner glass from locating pegs
on either side of door.
Door Inner Glass Re-Fitting
a. To refit inner glass, locate 2 locating tabs on either
side of inner glass into 2 pegs on door and push
down on inner glass until it locks firmly into position.
b. Lower inner glass back into door, glass will locate
itself in correct position.
c. Open oven door fully and using a suitable
instrument, move door lock catches to unlocked
position.
NOTE: Check that both Door Lock Catches are in the
‘Un-Locked’ position before closing the door.
d. Close the oven door.
Periodic Maintenance
NOTE: All maintenance operations should only be
carried out by a qualified service person.
Controls and mechanical parts should be checked and
adjusted periodically by a qualified service person. It is
recommended that appliance is serviced every 6 months.
InnerGlass
Door Lock Catch in
Unlocked Position
Door Lock Catch in
Locked Position
Locating Tab
Locating Peg
Door Lock Catch in
Unlocked Position

Fault Finding
10
This section provides a reference to the more common
problems that may occur during the operation of your
oven. This fault finding guide is intended to help you
correct and accurately diagnose problems with your oven.
When fault finding a problem, always use a process of
elimination starting with the simplest solution and working
through to the most complex. Never overlook the obvious.
You may encounter a problem not covered in this section,
please contact your service provider who will require the
following information:-
 The Model and Serial Number of the oven, can be
found on the Technical Data Plate located on the
front right hand side panel of the oven.
Fault Possible Causes Remedy
Oven does not operate / No heat in oven.
Fuse Blown (E27M3 - E28M4 Only).
Mains isolating switch, circuit breaker or
fuses are 'Off' at the power board.
Door not closed fully.
The external power switch is ‘On’, the oven
is 'Off'. (Not E22).
Overtemp tripped (No lights, no power
light).
Overtemp faulty.
Element faulty.
Thermostat faulty.
Door Switch faulty.
On / Off Switch faulty.
Heating Relay faulty (Not E22M3).
Call for service.
Turn 'On'.
Close door. (Refer ‘Door does not close fully’).
Turn ‘On’ the ‘On-Off Temp Control’ switch.
(‘Power On’ light will illuminate when oven is
‘On’) (Not E22).
Reset Overtemp.
Call for service.
Call for service.
Call for service.
Call for service.
Call for service.
Call for service.
Oven heats up but fan does not operate.
Motor timer faulty (Not E22M3).
Fan motor faulty.
Fan or fan motor obstructed.
Call for service.
Call for service.
Call for service.
Door does not close fully.
Tray in way of door.
Door Latches in ‘Locked’ position.
Door glass not fitted correctly.
Door not fitted correctly.
Door seal obstruction.
Correctly position tray on rack.
Check position of door latches and ‘Unlock’.
Refit door glass.
Refit door.
Correctly install door seal. (Refer to the
‘Cleaning and Maintenance’ Section).
Bake timer does not time down.
Bake timer not set correctly.
Bake timer faulty.
For settings less than 10 minutes, first set timer
to a higher setting then turn back to setting
required.
Call for service.
Oven light not illuminating (Not E22M3). Blown bulb. Replace bulb.
Uneven cooking.
Too high a temperature selected.
Oven or racks not level.
Insufficient air space around trays or
baking tins.
Oven overloaded with too much product.
Opening oven door un-necessarily.
Oven door seal damaged or faulty.
Oven vent restricted.
Faulty thermostat.
Select a lower temperature.
Check oven racks and level.
Ensure oven racks are spaced to allow air flow
around baking on all shelves.
Re-load oven.
Ensure oven door remains closed during the
baking process.
Check seals and replace if damaged.
Ensure oven vent not blocked or shrouded.
Call for service.
Oven Door hot to touch Inner glass not fitted. Fit inner door glass.

Electrical Schematics
11
Electrical Schematic E22M3 Turbofan Oven
Electrical Schematic E23M3 Turbofan Oven
110-120V, 60Hz.
220-240V 50/60Hz.
208V, 50-60Hz.
220V, 50-60Hz.
230-240V, 50-60Hz.

Electrical Schematics
12
Electrical Schematic E27M3 Turbofan Oven
Electrical Schematic E27M2 Turbofan Oven
Electrical Schematic E28M4 Turbofan Oven
208V, 50-60Hz.
220V, 50-60Hz.
230-240V, 50-60Hz.
208V, 50-60Hz.
220V, 50-60Hz.
230-240V, 50-60Hz.
208V, 50-60Hz.
220V, 50-60Hz.
230-240V, 50-60Hz.

Replacement Parts List
13
Item Description E22 E23 E27M2 / E27M3 E28
232765 Oven Element, 1500W, 110 - 120V 
232766 Oven Element, 2000W, 230 - 240V 
234088 Oven Element, 2800W, 230 - 240V M2 only 
234089 Oven Element, 2800W, 208 - 220V M2 only 
234107 Oven Element, 4500W, 208 - 220V M3 only
234108 Oven Element, 4500W, 230 - 240V M3 only
025387 Fan Motor, 110 - 120V 
013431K Fan Motor, 50 / 60Hz, 208 - 240V 
235585 Fan Motor Kit, 129W, 208 - 240V, 50 / 60Hz 
024503 Motor Timer, 230V 
024562 Relay, 25A 
024505 Relay, 30A 
234802 Fuse Holder M3 only 
234803 Fuse 10A, 250V M3 only 
234821 Overtemp, 355°C / 670°F - 20k 
233573 Overtemp Cap 
233607 Thermostat, 50 - 260°C / 150 - 500°F 
233887 Rotary ON / OFF Switch 
233616 Knob Thermostat, 50 - 260°C 
233617 Knob Thermostat, 150 - 500°F 
233862 Door Microswitch 
234251 Capacitor 5uF 
234136 LED Indicator, 110 - 250V 
011760 Bake Timer 60 Minute 
233613 Knob Bake Timer (0 - 60 Minute) 
015822 Buzzer, 110 - 120V 
011794 Buzzer, 208 - 240V 
233115 Oven Lamp Lens 
233884 Lamp Bulb G9 25W, 120V Halogen 
231814 Lamp Bulb G9 25W, 230V Halogen 
233370 Door Inner Glass - E22 
233913 Door Inner Glass - E23 
233368 Door Inner Glass - E27 
233346 Door Inner Glass - E28 
234602 Door Inner Glass Catch 
233292 Door Hinge - E22 
233293 Door Hinge - E23 
233294 Door Hinge - E27 
233295 Door Hinge - E28 
234465 Door Seal - E22 
232667 Door Seal - E23 
232666 Door Seal - E27M2 / E27M3 
234466 Door Seal E28 
232379 Leg Adjustable (73 - 80 mm) 
233883 Oven Lamp Seal 
When ordering replacement parts, please quote the part number and the description as listed below. If the part required
is not listed below, request the part by description and quote model number and serial number which is shown on the
Technical Data Plate.
Important:
Only genuine authorized replacement parts should be used for the servicing and repair of this oven. The instructions
supplied with the parts should be followed when replacing components.
For further information and servicing instructions, contact your nearest authorized service provider or Turbofan Dealer.

Replacement Parts List
14
Item Description E22 E23 E27M2 / M3 E28
233521 Side Rack LH, E22 
233522 Side Rack RH, E22 
232682 Side Rack LH, E23 
232683 Side Rack RH, E23 
233558 Side Rack LH, E27M3 M3 only
233559 Side Rack RH, E27M3 M3 only
233556 Side Rack, E28 
233564 Oven Rack E22, E23 
233565 Oven Rack E27, E28 
233552 Rack / Baffle Securing Screw 
234722 Side Rack RH, E27M2 M2 only
234721 Side Rack LH, E27M2 M2 only
Replacement Parts List (Continued).