Smeg ALFA420EH, ALFA420EHDS, ALFA420EHT User Manual

Contents

1 Instructions 50

1.1 General safety instructions 50

1.2 Identification plate 53

1.3 Manufacturer liability 53

1.4 Appliance purpose 53

1.5 Disposal 53

1.6 This user manual 54

1.7 How to read the user manual 54

2 Description 55

2.1 General Description 55

2.2 Control panel 56

2.3 Controls description 56

2.4 Side panel 57

2.5 Available accessories 57

2.6 Other parts 58

3 Use 59

3.1 First use 59

3.2 First time switching on 59

3.3 Home screen 60

3.4 User menu 60

3.5 Parameters and default values 62

3.6 Baking modes 62

3.7 Manual cooking 62

3.8 Step cooking 66

3.9 Cooking with a recipe 68

3.10 Cooking with the core probe (on some models only) 72

3.11 Special functions 75

3.12 Cooking advice 77

4 Cleaning and maintenance 78

4.1 Cleaning the appliance 78

4.2 Cleaning the door 78

4.3 Cleaning the oven cavity 81

4.4 Extraordinary maintenance 83

4.5 If the appliance is not working properly 86

5 Installation 87

5.1 Electrical connection 87

5.2 Water connection 89

5.3 Positioning 91

ENEN

TRANSLATION OF THE ORIGINAL INSTRUCTIONS

We advise you to read this manual carefully, as it contains all the instructions for maintaining
the appliance’s aesthetic and functional qualities. For further information on the product:
www.smegfoodservice.com

49

Instructions

1 Instructions

1.1 General safety instructions

Risk of personal injury

• During use the appliance and its
accessible parts become very hot.

• Never touch the heating elements
during use.

• Keep children under the age of
eight at a safe distance unless they
are constantly supervised.

• Children must never play with the
appliance.

• Never try to put out a fire or
flames with water: Turn off the
appliance and smother the flames
with a fire blanket or other
appropriate cover.

• Keep the oven door closed
during cooking.

• Protect your hands by wearing
oven gloves when moving food
inside the oven.

• Do not touch the heating elements
inside the oven.

• Do not pour water directly onto
very hot trays.

• Do not allow children to
approach the appliance when it is
in operation.

• If you need to move food or at the
end of cooking, open the door 5 cm
for a few seconds, let the steam
come out, then open it fully.

• WARNING: opening the door
during or after cooking can let out
hot steam.

• Cleaning and maintenance must
not be carried out by unsupervised
children.

• Do not spray any spray products
near the appliance.

• Do not use or leave flammable
materials near the appliance.

• Do not use plastic cookware or
containers when cooking food.

• Do not put sealed tins or
containers in the oven.

• Do not leave the appliance
unattended during cooking
operations where fats or oils could
be released.

• Remove all trays and racks which
are not required during cooking.

• Do not insert pointed metal
objects (cutlery or utensils) into the
slots in the appliance.

• Switch off the appliance
immediately after use.

• Do not modify this appliance.

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Instructions

• Have qualified personnel carry
out installation and assistance
interventions according to the
standards in force.

• Do not try to repair the appliance
yourself or without the intervention
of a qualified technician.

• If the power supply cable is
damaged, it must be replaced by
the manufacturer, by Technical
Support or other qualified
personnel in order to ensure a
hazard is not created.

• Do not place containers with
liquids or food products which can
melt during cooking on the upper
shelves which are not visible.

• Do not touch the metal tip of the
temperature probe after cooking.

• The floor next to the appliance
could be very slippery. Be very
careful.

• The terminal indicated by the
symbol links up parts that are

normally earthed. Connect the
appliances appropriately using
this terminal in order to make sure
that they are equipotential.

• Have the electrical connection
performed by authorised technical
personnel.

• The appliance must be connected
to ground in compliance with
electrical system safety standards.

• Disconnect the mains power
supply.

• Do not pull the cable to remove
the plug.

• Use H07RN-F cables that can
withstand a temperature of at least
75°C.

• The tightening torque of the
screws of the terminal supply wires
must be 1.5 - 2 Nm.

Risk of damaging the appliance

• Racks and trays have to be
inserted into the side guides until
they come to a complete stop. The
mechanical safety locks that
prevent the rack from being taken
out accidentally must face
downwards and towards the back
of the appliance.

• Do not seat on the appliance.

• Do not use abrasive or corrosive
detergents (e.g. scouring
powders, stain removers and
metallic sponges) on glass parts.

ENEN

51

Instructions

• Do not use steam jets to clean the
appliance.

• Do not obstruct ventilation
openings and heat dispersal slots.

• Never leave the appliance
unattended during cooking
operations where fats or oils could
be released.

• Never leave objects on the
cooking surface.

• Do not use the appliance to heat
rooms for any reason.

• Remove any food residues or
large spills from previous cooking
operations from the inside of the
oven.

• Do not cover the bottom of the
oven cavity with aluminium or tin
foil sheets.

• If you wish to use greaseproof
paper, place it so that it will not
interfere with the hot air circulation
inside the oven.

• Do not place pans or trays
directly on the bottom of the oven
cavity.

• Do not pour water directly onto
very hot trays.

• Do not leave the temperature
probe in the oven cavity when it is
not in use.

• Do not use cleaning products
containing chlorine, ammonia or
bleach on parts made of steel or
that have metallic surface finishes
(e.g. anodizing, nickel- or
chromium-plating).

• Do not use abrasive or corrosive
detergents (e.g. scouring
powders, stain removers and
metallic sponges) on glass parts.

• Do not use rough or abrasive
materials or sharp metal scrapers.

• Shut off the power supply during
cleaning and maintenance
procedures.

• A fixed electrical connection must
incorporate a means of electrical
isolation per electrical wiring
code.

For this appliance

• Do not rest any weight or sit on
the open door of the appliance.

• Take care that no objects are
stuck in the doors.

• Have the condition of the
components checked regularly by
Technical Support.

• The A-weighted sound pressure
level is below 70 dB (A).

52

Instructions

1.2 Identification plate

• The identification plate bears the
technical data, serial number and
brand name of the appliance. Do
not remove the identification plate
for any reason.

1.3 Manufacturer liability

The manufacturer declines all liability
for damage to persons or property
caused by:

• Use of the appliance other than
that specified

• Failure to comply with the
instructions in the user manual

• Tampering with any part of the
appliance

• Use of non-original spare parts.

1.4 Appliance purpose

This appliance is intended for
cooking food in the professional
catering environment. Every other
use is considered improper.

This appliance must not be used by
people (including children) of
reduced physical or mental capacity,
or lacking in experience in the use of
electrical appliances, unless they are
supervised or instructed by adults
who are responsible for their safety.

1.5 Disposal

This appliance must be
disposed of separately from

other waste (Directives
2002/95/EC, 2002/96/EC,
2003/108/EC). The appliance
does not contain substances in
quantities sufficient to be considered
hazardous to health and the
environment, in accordance with
current European directives.

To dispose of the appliance:

• Cut the power supply cable and

remove it along with the plug.

Power voltage

Danger of electrocution

• Disconnect the mains power

supply.

• Unplug the appliance.

ENEN

53

Instructions

• Deliver the appliance to the
appropriate recycling centre for
electrical and electronic
equipment waste, or return it to the
retailer when purchasing an
equivalent product, on a one for
one basis.

Our appliances are packaged in
non-polluting and recyclable
materials.

• Deliver the packing materials to

the appropriate recycling centre.

Plastic packaging

Danger of suffocation

• Do not leave the packaging or
any part of it unattended.

• Do not let children play with the
plastic bags.

1.6 This user manual

1.7 How to read the user manual

This user manual uses the following reading
conventions:

Instructions

General information on this user
manual, on safety and final
disposal.

Description

Description of the appliance and its
accessories.

Use

Information on the use of the
appliance and its accessories,
cooking advice.

Cleaning and maintenance

Information for proper cleaning and
maintenance of the appliance.

Installation

Information for the qualified
technician: Installation, operation
and inspection.

This user manual is an integral part of
the appliance and must therefore be
kept in its entirety and within the
user’s reach for the whole working
life of the appliance.

Read this user manual carefully
before using the appliance.

54

Safety instructions

Information

Advice

1. Sequence of instructions for use.

• Standalone instruction.

Description

2 Description

2.1 General Description

1 Control panel
2 Oven lights
3 Seal
4 Door
5 Fans
6 Tray support frames
7 Water intake line
8 Washing water drain (on some models only)

ENEN

Frame shelf

55

2.2 Control panel

Description

1 Backlit capacitive buttons

2 LCD display and icons

2.3 Controls description

Backlit capacitive buttons

On / Stand-by

Back / previous screen

Step cooking mode

Temp set

Manual cooking

Time settings / Core probe cooking

Humidification

Cooking with a recipe

Fan speed adjustment

Start / end cooking - next screen

Settings menu / save

Increase

Decrease

56

Description

LCD display and icons

Alphanumeric display

Temperature and units of

measure display

Time display/Core

probe temperature

Step cooking icon and

display

Cooking in progress

Stop cooking

Core probe

Core probe with

Cooking duration

Delayed start

Δt

2.4 Side panel

ENEN

The side panel is located close to the
bottom left corner on the right hand side of
the appliance.

1 Core probe socket (on some

models only).

2 USB port.

2.5 Available accessories

Core probe (optional, on some models
only)

Using the core probe, it is possible to cook
according to the temperature measured at
the centre of the food.

57

Description

2.6 Other parts

Shelves

The appliance features shelves to position
trays and racks at different heights. The
insertion heights are indicated from the
bottom upwards (see “General
Description”).

Internal ventilation

The internal fans (together with the heating
elements) are switched on and off
according to the baking mode selected.
Depending on the model, the speed of the
fans can also be adjusted during cooking.

Retractable spray head (on some models
only)

Washing water drain (on some models
only)

The appliance is fitted with a system for
draining the washing water. It is located in
the centre of the bottom of the oven and
protected by a perforated grille.

Safety thermostat

The appliance is equipped with a safety
device that triggers in case of serious
malfunction.

Only for the installer/technical support:

1. Unscrew the protective cover for the
thermostat with the dedicated tool.

2. To reset the safety thermostat, press the
button on the back.

To make cleaning easier, the appliance is
fitted with a water spray head located in a
special compartment on the right hand side.

58

Contact Technical Support
immediately after the safety device
has triggered to check if there are
any faults.

Use

3 Use

3.1 First use

1. Remove any protective film from the
outside or inside of the appliance,
including accessories.

2. Remove any labels (apart from the
technical data plate) from the
accessories and from the oven cavity.

3. Remove and wash all the appliance
accessories (if fitted) (see “Cleaning and
maintenance”).

4. Heat the empty oven at the maximum
temperature to burn off any residues left
by the manufacturing process.

3.2 First time switching on

The oven is designed for a
maximum load of 12 kg.

When the appliance is connected to the
mains power socket, all the LEDs and the
buttons on the display light up for
approximately 3 seconds.

When finished, only the button (stand­by screen) appears on the display.

Setting the language

The factory default language
setting is English.

Setting the time, date and stand-by
display

• “Set time” will appear on the
alphanumeric display.

• Use the button to return to the
previous screen.

1. “00:--” appears on the time display. Use
the / buttons to adjust the hours.

2. Press to continue.

3. “Set minutes” will appear on the
alphanumeric display.

4. ”--:00” appears on the time display. Use

the / buttons to adjust the
minutes.

5. Press to continue.

The same procedure is used to set the
current year, month and day in sequence:

• “Set year”, “Set month” and “Set day”
will appear in sequence on the display.

• Use the / buttons to set the year,
month and day.

• Use the button to confirm each time
you set the required value.

After setting the time and date, you then
have to select the stand-by display mode:

• “Stand-by with clock” or “Stand-by
without clock” will appear on the
display.

ENEN

1. From the stand-by screen, press the
button.

2. Press / to select a language.

3. Press to confirm.

1. Use the / buttons to select an
option.

59

Use

2. Press the button to confirm and return
to the stand-by display mode that was

selected.

The default setting is for cooking to
start automatically after the food
has been placed in the oven and
the door closed (see “User
menu”).

3.3 Home screen

From the home screen, the control
panel returns to stand-by mode
after 30 minutes of inactivity.

After having entered the first settings, press
the button to switch from stand-by

mode to the home screen, from where you
can select the baking mode:

• “Baking type selection” will appear on
the display.

• The button allows you to access the
user menu (see “User menu”).

• The button appears only when the
internal temperature of the appliance

reaches 60°C to allow the cooling
function.

3.4 User menu

From the home screen, press the button
for at least 1 second; “User menu” will be

displayed. Press the and buttons
to display the basic appliance

management options. Press to confirm

the selection or to return to the home
screen.

Baking start

When using the “Automatic” option, after
having set the cooking parameters, cooking
will start automatically after the food has
been placed in the oven and the door
closed. If the “Manual” option is used, you

have to press the button to start
cooking.

Download

This option allows a file to be created, and
copied to a USB device, that stores all the
events and the actions that the appliance
has performed. This can be used by
technical support to identify errors and
faults.

• “Insert USB press play” appears on the
display.

3. Insert a USB device and press .

60

• and “Data download in
progress” appear on the temperature

display.

• When the download has been
completed, the appliance will emit 4
beeps and “Data download ok” will
appear, after which you are taken back
to the home screen.

4. Remove the USB device.

Use

Load Recipes

This option can be used to transfer recipes
created on another oven, of an identical
model, and to load them via the USB port.

Set time

This option allows you to change the current
date and time. The procedure is the same
as for setting the date and time when the
appliance is switched on for the first time
(see “First time switching on”).

Display time

This option allows you to select whether to
display the time on the stand-by screen. The
procedure is the same as the one for the
stand-by display when the appliance is
switched on for the first time (see “First time
switching on”).

Setting the language

This option is used for modifying the current
language used by the system. Press the

/ buttons to scroll through the

available languages and to confirm.

Button LEDs

This option is used to adjust the brightness of
the backlit buttons at the sides of the
display. There are 4 levels available that

can be selected using the and

buttons. Press to confirm the choice or

to return to the user menu.

Recipes protection

This option can be used to set a password
to prevent the recipes from unwanted

modifications. When you press the
button, “Password” appears and the time

display shows options or

that can be selected using the

and buttons. If you wish to set a

password, select “YES” and enter the
password following the procedure
described in section 3.8 (see “Changing an
existing recipe”). Lastly, confirm with the

button to return to the user menu.

ENEN

LCD contrast

This option allows you to adjust the
brightness of the LCD display and the
relative icons. There are 8 levels available

that can be selected using the and

buttons. Press to confirm the choice or

to return to the user menu.

61

Use

3.5 Parameters and default values

Parameter Default value

Convection

Temperature

Hold temperature 80 °C

Cooling Threshold 60 °C

Humidity Threshold 130 °C

Fan speed

(depending on the

model)

Humidity Level OFF (level 0)

Language English

Preheating On

Start cooking when

the door is closed

Modify recipe

password

170°C

High speed

Automatic

Disabled

3.6 Baking modes

The appliance has three baking modes:

1 Manual cooking ( button).

3.7 Manual cooking

Whenever a parameter is set or
changed, it has to be confirmed by
pressing the corresponding
flashing button within 10 seconds,
otherwise the default value or the
previously confirmed value will be
used.

From the home screen, press :

• The names of the available functions will
appear on the display.

1 Convection

This is the main function and the one that
allows the food to be cooked using the
heating elements and fans.

2 Cooling

This function allows the cavity to be cooled
using the internal fans.

3 Hold warm

This function allows you to maintain a
constant temperature inside the appliance
for a certain period of time.

2 Step cooking ( button).

3 Cooking with a recipe ( button).

62

4 Delayed start

This function allows you to delay the start of
cooking or to bring the appliance to the
correct temperature before a certain time
and to keep it at that temperature.

• Use the button to return to the home
screen.

• Use the / buttons to select a
function.