Metos DOMITOR User manual

Installation and Operation Manual
PIZZA OVEN
DOMITOR

ENGLISH
CHAPTER ........................................................ 1
Chapter for the technician and operator
1.1
GENERAL WARNINGS .......................................Page GB-3
1.2
REFERENCE NORMATIVE .................................Page GB-4
1.3
DESCRIPTION OF THE SYMBOLS .....................Page GB-4
1.4
OVEN COMPOSITION .........................................Page GB-4
1.5
PREARRANGEMENTS AT PURCHASER’S
CHARGE .............................................................Page GB-5
1.6
EMERGENCY OPERATIONS
IN CASE OF FIRE ..............................................Page GB-5
1.7
EXPLOSION RISK ...............................................Page GB-5
1.8 ACOUSTIC PRESSURE LEVEL .........................Page GB-5
CHAPTER ........................................................ 2
Chapter for the technician
-
OVERALL DIMENSIONS ..........................................Page GB-6
2.1
TECHNICAL FEATURES ...................................Page GB-7
2.2
TRANSPORT ......................................................Page GB-9
2.2.a
Shipment ....................................................Page GB-9
2.2.b
Lifting of the packing ...................................Page GB-9
2.2.c
Storage ......................................................Page GB-9
2.3
RECEPTION OF THE MACHINE .......................Page GB-10
2.4
UNPACKING .....................................................Page GB-10
2.5
IDENTIFICATION OF THE COMPONENTS ........ Page GB-11
2.6 OVEN IDENTIFICATION .................................... Page GB-11
CHAPTER ........................................................ 3
Chapter for the technician
3.1
OVEN LIFTING ..................................................Page GB-12
3.2
ASSEMBLING OF THE COMPONENTS ..........Page GB-12
3.3
ELECTRICAL CONNECTION ............................Page GB-14
3.3.a
Electric oven connection ...........................Page GB-14
3.3.b
Electric hood connection ...........................Page GB-15
3.3.c
Unipotential connection .............................Page GB-15
3.4
OVEN POSITIONING ........................................Page GB-15
3.4.a Chimney connection................................Page GB-15
3.5
FIRST STARTING ..............................................Page GB-15
CHAPTER ........................................................ 4
Chapter for the technician and operator
4.1
TYPE OF USE AND
CONTRAINDICATIONS .....................................Page GB-16
4.2
SAFETY PLATES .............................................Page GB-16
4.3
SAFETY DEVICES ............................................Page GB-17
4.4
USER’S AREAS .................................................Page GB-17
4.5 RESIDUAL DANGER AREAS .............................Page GB-17
CHAPTER ........................................................ 5
Chapter for the technician and operator
5.1
OVEN CONTROL BOARD .................................Page GB-18
5.2
OVEN PREPARATION .......................................Page GB-19
5.2.a
Oven starting ............................................Page GB-19
5.3
PIZZA BAKING ..................................................Page GB-20
5.4
SELF-CLEANING CYCLE ..................................Page GB-20
5.5
CUTTING OFF ..................................................Page GB-20
5.6
MALFUCTIONING,CAUSE AND CURE ..............Page GB-21
5.7 SAFETY THERMOSTAT RECHARGE ...............Page GB-21
CHAPTER ........................................................ 6
Chapter for the technician and operator
6.1
ROUTINE AND PLANNED MAINTENANCE .....Page GB-22
6.1.a
In general ...............................................Page GB-22
6.1.b
Ordinary maintenance .............................Page GB-22
6.1.b - a
Outer cleaning
(to be carried out every day).................
Page GB-22
6.1.b - b
Fireproof surface cleaning
(to be carried out every day) ..............Page GB-22
6.1.c
Planned maintenance .............................Page GB-23
6.1.c - a
Every 600 hours a careful
chamber cleaning
..............................Page GB-23
6.1.c - b
Every 2 years ...................................Page GB-23
6.1.d
Maintenance in case of need ....................Page GB-23
6.1.d - a
Lamp holder replacement ..................Page GB-23
6.1.d - b
lamp replacement ...............................Page GB-24
6.1.d - c
Ceiling or bedplate resistance
replacement
.....................................Page GB-24
6.1.d - d
Door spring replacement ..................Page GB-25
6.1.d - e Door pane replacement ....................Page GB-26
CHAPTER ........................................................ 7
Chapter for the technician
7.1
OVEN DISASSEMBLY .......................................Page GB-27
7.2
OVEN SCRAPPING ...........................................Page GB-27
7.3
DISPOSING OF HARMFUL SUBSTANCES ........Page GB-27
WIRING DIAGRAM DM 430-435
V400 Trifase
.............................................................Page GB-28
WIRING DIAGRAM DM 430-435
V230 Single-phase
....................................................Page GB-29
WIRING DIAGRAM DM 430-435
V230 Trifase .................................................................
Page GB-30
WIRING DIAGRAM DM 630-635
V400 Trifase .................................................................
Page GB-31
WIRING DIAGRAM DM 630-635-930-935
V230 Trifase .................................................................
Page GB-32
WIRING DIAGRAM DB 830-835
V400 Trifase .................................................................
Page GB-33
WIRING DIAGRAM DB 830-835
V230 Trifase .................................................................
Page GB-34
WIRING DIAGRAM DB 1230-1235
V230 Trifase .................................................................
Page GB-35
WIRING DIAGRAM DB 1230-1235
V400 Trifase .................................................................
Page GB-36
OVEN CAPTION 430-435 V400/230 ..........................Page GB-37
OVEN CAPTION 630-635-930-935 V400/230 ............Page GB-37
OVEN CAPTION 830-835 V400/230 ..........................Page GB-38
OVEN CAPTION 1230-1235 V400/230 ......................Page GB-39
COLOURS ................................................................Page GB-39

DOMITOR DM/DB
General specifi cations and warning
GB - 3
1.1 - GENERAL WARNINGS
- Before starting the oven, user shall carefully read this han-
dbook and be aware of both technical specifications and
control elements.
- User should be trained in the use of the oven.
- Beforeinstallingtheoven,makesuretheareathelattershall
beplacediniscompatiblewithovenoveralldimensionsand
weight.
- In case of installation or removal of oven parts, only means
of lifting & handling being suitable for both weight and ge-
ometric characteristics of the part to be lifted/handled shall
be utilized.
- Only authorized as well as trained personnel may start,
adjust and/or repair the oven.
Concerningoperationstobecarriedoutontheoven,please
refer to this handbook.
- Mechanical and electric parts being inside the oven are
protected by panels which are totally closed by means of
screws.
- Beforecarryingoutcleaningand/ormaintenanceoperations
as well as removing any protection, make sure the cutout
switchison“OFF”(O),inordertodisconnectpowersupply
to the oven during user’s operation.
- Buyer’s power supply system shall be equipped with an
automatic release system on the upper side of the oven
cutout switch and also with an earthing system complying
with all accident prevention protection requirements.
- In case of repairs to be done on the main switch or in the
main switch area, turn off the power of the electrical line.
-Anyinspectionandmaintenanceworksrequiringtheremoval
of the safety protections are made under the responsibility
of the user.
Thereforeitisrecommendedthat theabove mentioned
works are done by authorized and skilled personnel
only.
- Make sure that all safety devices (barriers, protections,
carter, micro-switches, etc.) have not been tampered and
are perfectly working. On the contrary, they should be re-
paired.
- Do not remove the safety devices.
- In order to avoid personal risks, only suitable tools should
be used, in accordance with the local safety regulations.
- Donot tampertheelectric andpneumaticplant oranyother
mechanism for any reason.
- The oven shall not be left unguarded.
- Wear safety clothing only, approved by the law in force.
- In case of works to be done in a position that cannot be
reachedfromtheground,usesafe laddersorliftingdevices
only, in conformity with the local safety regulations.
- In case of repairs to be carried out near or under the oven,
make sure:
• there are no elements which can be started and/or there
are no unstable parts on or near the oven.
- Tocarry outoperationsonthe oven, donotuse your hands,
but only appropriate tools.
- Do not use your hands or other tools to stop any moving
parts.
-Donot use householdmatches,lighters or free flamesnear
the oven.
- TAKEHIGHESTCARETOTHEWARNINGPLATESBEING
ONTHEOVEN,WHENYOUAREGOINGTOCARRYOUT
OPERATIONS ON OR NEAR IT.
- The user is obliged to keep all the warning plates in legible
conditions and, if required, to change their position in order
to make them fully visible to the operator.
- Moreover the user is obliged to replace any warning plate
that, for any reason, has been damaged or is not clearly
legible. New warning plates can be obtained through our
Technical Service Centre.
- Itisstrictlyforbiddentocarryoutrepairswhentheoven
is functioning.
- In case of malfunctioning of the oven or damaged oven
components, please contact the person in charge of main-
tenance, without carrying out arbitrary repairs.
- It is strictly forbidden to make an improper use of the
oven.
The oven shall always be used as provided for by good,
scrupulous technique rules, according to 89/392 EEC di-
rectionas well as workers’ health&safetystandards as per
legislation being in force in the oven utilization Countries
or, in the event the latter do not exist, according to 89/391
EEC direction.
- The manufacturer declines all responsibility for any
injuryordamagetopersonsorthingsarisingfrominob-
servanceofthe safety regulations and the instructions
contained in this manual.
Chapter 1

DOMITOR DM/DB
General specifi cations and warning
GB - 4
- THESE SAFETY REGULATIONS INTEGRATE OR COM-
PLEMENT THE LOCAL SAFETY REGULATIONS.
- NEVERcarryouthastyormakeshiftrepairswhichcould
jeopardize the oven functioning and user’s safety, as
well.
- INCASEOFDOUBTALWAYSASKFORTHEPRESENCE
OF SKILLED PERSONNEL.
- MANUFACTURER DISCLAIMS ALL RESPONSIBILITY
IN CASE OF ELECTRIC, ELECTRONIC, MECHANICAL
TAMPERING OF THE OVEN BY USER OR CARELES-
SNESS OF USER BY USING IT.
1.2 - REFERENCE NORMATIVE
- The oven and its safety devices have been built ac-
cording to the rules being indicated in the declaration
of conformity.
1.3 - DESCRIPTION OF THE SYMBOLS
Several accidents are due to an insufficient know-
ledge and a lack of fulfilment of safety rules to be
considered during functioning and maintenance of
the oven.
To avoid accidents, all warning notes and instruc-
tions contained in this handbook as well as the ones
being reported on the oven plates, shall be read,
understood and observed.
To identify the safety messages included in this bo-
oklet, following symbols have been used:
DANGER
This symbol is used in the safety messages con-
tained in the booklet in case of potential danger
situations or possibility to cause serious injuries
or dead.
ATTENTION
This symbol is used in the safety messages of the
bookletfor any dangersituation that, if disregarded,
may cause small or moderate injuries or damages.
The message can also be used as to dangers which
can damage the oven.
IMPORTANT
This symbol is utilized in order to avoid operations
whichcouldresult ashorteroven lifeor forimportant
messages to user.
DANGER
For clearness purposes, some pictures in this
handbook show the oven without protection
structures. DO NOT USE THE OVEN WITHOUT
PROTECTION STRUCTURES.
1.4 - OVEN COMPOSITION
Manufacturer’s ovens are the result of a several year-
experience.
• Single-chamber, two-chamber or three-chamber
ovens with digital or manual functioning.
• Over the oven, an extractor hood controlled by a
special board can be installed.
• The oven/s are supported by a bearing base.

DOMITOR DM/DB
General specifi cations and warning
GB - 5
1.5 - PREARRANGEMENTS AT PURCHASER’S
CHARGE
a) Prearrangement of the installation place.
• The supporting surface the oven shall be placed on
shall have the features as reported in “Installation”
chapter.
b) Electric prearrangement.
• The power system should comply with the local re-
gulations and provided with an efficient earthing.
• Anomnipolarsectioning deviceshall bepositioned on
the power supply line at the upper side of the oven.
• The electric power supply cables shall be
dimensioned by considering the highest po-
wer rate needed by the oven, so that a total
voltage drop is lower than 2 %, under full load
conditions.
c) Flue prearrangement
• It is necessary to prearrange a vapour flue, whose
featuresshall bein compliance withthe rulesbeing in
force in the Country the oven shall be installed in.
b) Neutral wire
• Themachine isequipped with neutralwire, therefore,
a special terminal being identified according to the
relevant directions has been prearranged.
1.6 - EMERGENCY OPERATIONS IN CASE OF
FIRE
a) In case of fire, disconnect the oven by disconnecting
the cutout switch.
b) Put out the fire by means of suitable fire extin-
guishers.
DANGER
When the oven is under tension, do not try to
extinguish the fire by using water.
1.7 - EXPLOSION RISK
• The oven is not suitable for being utilized in hazar-
dous environment.
1.8 - ACOUSTIC PRESSURE LEVEL
With DOMITOR ovens, an A acoustic continuous equi-
valent weighted pressure level(dB) under the maximum
allowed 70dB level is kept.

DOMITOR DM/DB
Technical data - Transport and unpacking
GB - 6
430 - 435
630S - 630L
635S - 635L
930 - 935
830 - 835
1230S - 1230L
1235S - 1235L
OVERALL DIMENSIONS
Chapter 2
sizes in mm
Mod. Inside size Outside size Support
L P A L1 P1 A1 H PC LP H1 P2 L2
430 630 630 150 950 950 400 170 900 950 437 900 950
630S 630 930 150 950 1300 400 170 1250 950 437 1250 950
630L 930 630 150 1250 950 400 170 900 1250 437 900 1250
930 930 930 150 1250 1300 400 170 1250 1250 437 1250 1250
830 630 630 150 950 950 730 170 900 950 437 900 950
1230S 630 930 150 950 1300 730 170 1250 950 437 1250 950
1230L 930 630 150 1250 950 730 170 900 1250 437 900 1250
Mod. Inside size Outside size Support
L P A L1 P1 A1 H PC LP H1 P2 L2
435 730 730 150 1050 950 400 170 900 1050 437 900 1050
635S 730 1080 150 1050 1300 400 170 1250 1050 437 1250 1050
635L 1130 730 150 1450 950 400 170 900 1450 437 900 1450
935 1130 1080 150 1450 1300 400 170 1250 1450 437 1250 1450
835 730 730 150 1050 950 730 170 900 1050 437 900 1050
1235S 730 1080 150 1050 1300 730 170 1250 1050 437 1250 1050
1235L 1130 730 150 1450 950 730 170 900 1450 437 900 1450
H= neutral hood
H1= motor-driven hodd height

DOMITOR DM/DB
Technical data - Transport and unpacking
GB - 7
2.1 - TECHNICAL FEATURES
Model Power Electric Cable Max Relative
kW/max connection section temperature humidity
430 4,4 230V-3 4x2,5 400°C 10 ÷ 80 %
400V-3 N 5x2,5 400°C
630S 7,8 230V-3 4x2,5 400°C 10 ÷ 80 %
400V-3 N 5x2,5 400°C
630L 7,8 230V-3 4x2,5 400°C 10 ÷ 80 %
400V-3 5x2,5 400°C
930 12 230V-3 4x4 400°C 10 ÷ 80 %
400V-3 5x4 400°C
830 8,8 230V-3 4x4 400°C 10 ÷ 80 %
400V-3 5x4 400°C
1230S 15,6 230V-3 4x4 400°C 10 ÷ 80 %
1230L 400V-3 5x4 400°C
Model Power Electric Cable Max Relative
kW/max connection section temperature humidity
435 5,8 230V-3 4x2,5 400°C 10 ÷ 80 %
400V-3 N 5x2,5 400°C
635S 9,9 230V-3 4x2,5 400°C 10 ÷ 80 %
400V-3 N 5x2,5 400°C
635L 10,5 230V-3 4x2,5 400°C 10 ÷ 80 %
400V-3 5x2,5 400°C
935 13,2 230V-3 4x4 400°C 10 ÷ 80 %
400V-3 5x4 400°C
835 11,6 230V-3 4x4 400°C 10 ÷ 80 %
400V-3 5x4 400°C
1235S 19,8 230V-3 4x4 400°C 10 ÷ 80 %
400V-3 5x4 400°C
1235L 21 230V-3 4x4 400°C 10 ÷ 80 %
400V-3 5x4 400°C

DOMITOR DM/DB
Technical data - Transport and unpacking
GB - 8
Model. Ceiling Bedplate Max Code
resistance resistance Power
N° W.CAD N° W.CAD Kw
DM430 1 Camera 1 2200 1 Camera 1 2200 4,4
2 Camere 2 2200 2 Camere 2 2200 8,8 EE28200
3 Camere 3 2200 3 Camere 3 2200 13,2
DM630S 1 Camera 3 1300 1 Camera 3 1300 7,8
2 Camere 6 1300 2 Camere 6 1300 15,6 EE24600
3 Camere 9 1300 3 Camere 9 1300 23,4
DM630L 1 Camera 3 1300 1 Camera 3 1300 7,8
2 Camere 6 1300 2 Camere 6 1300 15,6 EE24700
3 Camere 9 1300 3 Camere 9 1300 23,4
DM930 1 Camera 3 2000 1 Camera 3 2000 12
2 Camere 6 2000 2 Camere 6 2000 24 EE24800
3 Camere 9 2000 3 Camere 9 2000 36
DB830 2 Camere 2 2200 2 Camere 2 2200 8,8 EE28200
DB1230S 2 Camere 6 1300 2 Camere 6 1300 15,6 EE24600
DB1230L 2 Camere 6 1300 2 Camere 6 1300 15,6 EE24700
Model. Ceiling Bedplate Max Code
resistance resistance Power
N° W.CAD N° W.CAD Kw
DM435 1 Camera 1 2900 1 Camera 1 2900 5,8
2 Camere 2 2900 2 Camere 2 2900 11,6 EE28100
3 Camere 3 2900 3 Camere 3 2900 17,4
DM635S 1 Camera 3 1650 1 Camera 3 1650 9,9
2 Camere 6 1650 2 Camere 6 1650 19,8 EE29200
3 Camere 9 1650 3 Camere 9 1650 29,7
DM635L 1 Camera 6 875 1 Camera 6 875 10,5
2 Camere 12 875 2 Camere 12 875 21 EE29400
3 Camere 18 875 3 Camere 18 875 31,5
DM935 1 Camera 6 1100 1 Camera 6 1100 13,2
2 Camere 12 1100 2 Camere 12 1100 26,4 EE28700
3 Camere 18 1100 3 Camere 18 1100 39,6
DB835 2 Camere 2 2900 2 Camere 2 2900 11,6 EE28100
DB1235S 2 Camere 6 1650 2 Camere 6 1650 19,8 EE29200
DB1235L 2 Camere 12 875 2 Camere 12 875 21 EE29400

DOMITOR DM/DB
Technical data - Transport and unpacking
GB - 9
ab
cd
FIG. 2
FIG. 1
FIG. 1
FIG. 2
2.2 - TRANSPORT
2.2.a - Shipment (Fig. 1)
The oven is positioned on a wooden pallet, inside a
strapped cardboard box.
The shipment of the oven shall be carried out by
choosing between the following solutions:
a) Land transport (lorry)
b) Air transport
c) Sea transport
d) Railway transport
Theway of transport will beagreedin course of contract
between supplier and purchaser.
2.2.b - Lifting of the packing (Fig. 2)
Thebox shouldbe handled withthe mostcare.Tolift and
toposition thebox usesuitable liftingsystems, according
to the weight of the machine.
The box should be lifted by using a crane or a hoist with
appropriate belts or by means of a lift track, by inserting
the forks in the appropriate joints.
DANGER
Any handling and lifting operation should be done
by skilled personnel, authorized to use appropriate
equipments.
The manufacturer declines all responsibility
for any damage to persons or things caused by
inobservance of the current safety regulations
regarding lifting and moving of materials inside or
outside the factory.
2.2.c - Storage
IMPORTANT
The case containing the oven shall be stored
protecting it from weather and it is strictly forbidden
to position other cases or materials on it.
Lifting points

DOMITOR DM/DB
Technical data - Transport and unpacking
GB - 10
FIG. 3
2.3 - RECEPTION OF THE MACHINE
Uponreceptionofthemachinemakesurethatthepacking
is complete and not damaged. Should the packing be
complete, remove it as specify at point 2.4 (aside from
different manufacturer’s instructions).
Check if the instruction booklet is inside the packing
as well as the components specified in the transport
documentation.
In case any damage or defect is found:
a- Inform immediately the transport company and your
agent, both by phone and by registered letter with
return receipt;
b- Manufacturer shall also be informed.
IMPORTANT
The oven consists of three distinct parts: support, cover
or hood.
Eeach part is packed, separately; on installation, the
components are assembled.
2.4 - UNPACKING (Fig. 3)
To remove the oven from its packing, proceed as
follows:
• Cut the straps (1) that tie up the carton.
• Open the carton (2), by removing the metallic clips.
• Remove the cardboard packaging (2).
• Check if everything is complete.
• Open the oven door (3), remove the refractory ma-
terialfastening carton and theloose components, as
well.
• Checkifthe delivery is complying with the PACKING
LIST.
DANGER
The packing elements ( plastic bags, carton, nails,
etc...) shall be kept away from the reach of the chil-
dren, since they are potential danger sources, so,
they shall be gathered and sent to special centres
to correctly be recycled.
IMPORTANT
Amessage concerning possible damages, troubles
or a non-compliance in comparison with the
description in our packing list shall timely occur,
anyway it shall latest occur within 8 days from the
receipt of the oven. Otherwise, the goods will be
considered as accepted.

DOMITOR DM/DB
Technical data - Transport and unpacking
GB - 11
FIG. 4
7
430 - 435
630S - 630L
635S - 635L
930 - 935
830 - 835
1230S - 1230L
1235S - 1235L
2.5 - IDENTIFICATION OF THE COMPONENTS
(Fig. 4)
1. Hood
2. Oven 1
3. Oven 2
4. Support
5. Wheels (Optional)
6. Control board
7. Data plate
2.6 - OVEN IDENTIFICATION (Fig 4)
Oven serial number and identification data are reported
on a plate (7) being fixed on the oven base.
IMPORTANT
Should you need technical service or spare parts,
please, always indicate the oven serial number.

DOMITOR DM/DB
Installation and connections
GB - 12
FIG. 2
FIG. 1
51
4
32
DANGER
All operations described in this chapter shall be
carried out by skilled and authorized technicians,
only.
3.1 - OVEN LIFTING (Fig 1)
The oven lifting shall be carried out by using a crane or
a tackle as follows:
• The oven shall slightly alternatively be lifted from its
four sides using a lever and making sure the panels
are not damaged, then the oven shall be positioned
on shims (1).
• Insert two belts (2) being properly dimensioned
according to the weight of the oven, under the base
(3) of the latter and connect them with a hook (4) of
a crane or a tackle.
ATTENTION
To hoist the machine do not use steel belts as they
may damage the outside body.
3.2 - ASSEMBLING OF THE COMPONENTS
IMPORTANT
Regarding the assembling of the support, the hood
and the relevant components, please follow the
instructions in the relevant handbooks.
• Position the support (1) near the final oven installa-
tion area by positioning its possible braking wheels
(optional) onto the front side.
Brake the front wheels by the lever (2) or level the
oven by operating its adjustable feet (3) depending
on the kind of support.
Single-chamber oven assembling (Fig 2)
• The oven (4) shall be lifted as indicated in “lifting”
paragraph and positioned on the base.
• Fix the oven (4) to the support (1) by the screws (5)
and the washers supplied with the support set.
Chapter 3

DOMITOR DM/DB
Installation and connections
GB - 13
12
13 14
FIG. 3
6
78
9
FIG. 4
FIG. 5
11
10
Two-, three-chamber oven assembling (Fig 3)
(For 430-435 models, only)
• To assemble the two-chamber oven, position the
second oven (7) the first oven (6) and fix it by the
small bracket (8) and the screws (9).
• Concerningthree-chamberovens, thethirdoven shall
be put onto the second one and fixed as above.
Hood assembling (Fig 5)
• The hood (10) shall be positioned on the last oven
and fixed by the four existing screws (11).
Chimney assembling (Fig 5)
• Unpack the chimney (12) and place it on the back of
theoven (see figure) bythe screws (13) and relevant
washers supplied with.
Incase of two-or three-chamber ovens,start assem-
bling the chimney from the lowest oven, then insert
the other chimneys one on the other (see figure)
placing them on the relevant ovens.
• Bythe screws supplied with placethe cap (14) under
the chimney of the lowest oven.

DOMITOR DM/DB
Technical data - Transport and unpacking
GB - 14
FIG. 6
3.3 - ELECTRICAL CONNECTION (Fig. 6)
DANGER
• The power feed line should be provided with a
suitable omnipolar DISCONNECTING SWITCH
(automatic thermomagnetic switch or differential)
placed before the control unit main switch, with
a minimum contact opening of 3 mm.
• Theearthingsystem shouldcomply withthe local
electric regulations in force.
• Electric power supply cables shall be dimensio-
ned depending on the highest power rate being
needed by the oven and in such a way that the
total voltage drop is lower than 2%, under full
load conditions.
• The specifications of the electric power line
should correspond to the specifications of the
identification plate and to those mentioned in
the technical specifications table that can be
consulted in the first part of this booklet.
DANGER
Before connecting the machine with the electric
line, make sure that the DISCONNECTING SWITCH
is disconnected (line not energized).
3.3.a - Electric oven connection
• To reach the electric oven part, remove the lateral
right-hand panel (1).
• Connecta suitably dimensioned electriccable (2) with
the terminal (3) according to the oven absorption, the
three phases shall be connected with L1-L2-L3 termi-
nals, the neutral wire with N terminal, the earth with T
terminal.
• Insert the electric cable (2) in the special fairlead (4)
and connect it with the disconnecting switch placed in
the upper part of the oven.
IMPORTANT
Thedisconnecting switch placed in the upper partof the
oven shall be easily to be reached.
• Re-install the lateral right-hand panel (1).
DANGER
Incase of two-and three-chamber ovens, eachoven
shall be connected with a special knife switch, it is
not possible to connect more than one oven to one
knife switch.
Concerning 830, 835, 1230S, 1230L, 1235S, 1235L
two-chambermodels, there is only oneelectric con-
nection cable for both chambers.

DOMITOR DM/DB
Installation and connections
GB - 15
FIG. 7
FIG. 8
FIG. 9
1
2
3.3.b - Electric hood connection
Concerningelectric hood connection, follow the instruc-
tions supplied with the hood.
3.3.c - Unipotential connection (Fig 7)
Theequipmentshallbeinserted ina unipotentialsystem,
whose effectiveness shall be verified according to the
rules being in force.
A cascade connection shall be carried out among the
variousoven components by using the screw(1) placed
on the rear oven side.
3.4 - OVEN POSITIONING (Fig 8)
DANGER
Theovenshall notbeinstalled closedto inflammable
walls such as furniture, partition walls, matchboar-
ded coatings etc…Asafety range of at least 20 cms
from lateral and rear oven sides should be kept. No
inflammable flooring shall be utilized to install the
oven on it.
• Theoven shallbe positionedon thefinal areafollowing
the indications reported in figure 8, because they
indicate the minimum distances required to allow the
oven correctly to function.
• Fix the oven position by braking the rear wheels.
3.4.a - Chimney connection (Fig.9)
• Place the fitting (2) on the chimney (1).
• Connectthe Ø 100mm fitting(2) with a naturaldraught
conduit or a hood.
3.5 - FIRST STARTING
DANGER
Once the oven is installed and before starting it,
carefully clean its inner part as well as refractory
surfaceas explained in“Maintenance” chapter, also
make sure neither foreign nor inflammable bodies
are inside the oven.
• Turn on the oven as indicated in "Functioning" para-
graphand set thetemperature of bothcrown plate and
bedplate at 300°C, making sure the set temperature
is reached as well as the different options depending
upon the concerned model are functioning.

DOMITOR DM/DB
GB - 16
Safety devices
FIG. 1
4.1 - TYPE OF USE AND CONTRAINDICA-
TIONS
IMPORTANT
DOMITOR DM/DB ovens are professional machines
suitable for baking pizza and similar products.
The various models shall only be used to process
as above; in case of any other use, manufacturer
disclaimsall responsibility for accidentstopersons
or objects and customer will be debarred from a
possible guarantee right.
4.2 - SAFETY PLATES (Fig. 1)
The warning plates with explanatory symbols are to
be found in all those areas that may be dangerous for
operators or engineers.
DANGER
On the oven, there are plates reporting safety
instructions which shall absolutely be followed
by any oven user. Manufacturer disclaims all
responsibility in case of accidents to persons
or objects arising from a non-fulfilment of such
instructions.
Danger: machine under voltage
• Do not work with the machine under voltage.
Chapter 4

DOMITOR DM/DB
GB - 17
Safety devices
FIG. 2
FIG. 3
1
4.3 - SAFETY DEVICES (Fig 2)
The equipment is equipped with following safety sy-
stems:
1) All dangerous areas are closed by screwed cases.
2) Each oven is equipped under the right-hand panel
with a safety thermostat (1) to allow the oven to be
disconnected in case of overtemperature inside the
baking chamber.
4.4 - USER’S AREAS (Fig 3)
Duringthe oven functioning, user is in front of it, in order
to be able to easily insert and remove the pizza through
the door (1) (see Fig. 3 “O” position).
To carry out maintenance operations, technician’s
position may be on the rear or lateral side of the oven
- “T” position.
4.5 - RESIDUAL DANGER AREAS (Fig. 3)
Remaining danger areas: areas which cannot be
protected due to the particular concerned kind of
production; as to the oven, they can be read as
follows:
• Door area and baking chamber inner area: risk of
burns.

DOMITOR DM/DB
Functioning
GB - 18
Capitolo 5
FIG. 1
5.1 - OVEN CONTROL BOARD (Fig 1)
On the oven, there are the following control elements:
1. Line selector switch ON/OFF
If you turn it onto ON, it energizes the control ele-
ments, the lamp (7) as well as the lamp being inside
the oven light up.
2. Bedplate temperature adjustment thermostat
Turn the rotary knob andposition it onto the bedplate
temperature you wish, to do it, please refer to the
graduated scale.
3. Bedplate resistance lamp
Lights up when the bedplate resistances are on, it
goes out when the oven reaches the set temperatu-
re.
4. Crown plate temperature adjustment thermo-
stat
Turn the rotary knob and position it onto the crown
plate temperature you wish, to do it, please refer to
the graduated scale.
5. Crown plate resistance lamp
Lights up when the bedplate resistances are on, it
goes out when the oven reaches the set temperatu-
re.
6. Analogue pyrometer
Indicates the actual oven temperature.
7. Oven starting pilot lamp
Lights up when the oven is started.