OEM MILLENNIUM MM Series User manual

Installation and Operation Manual
PIZZA OVEN
MILLENNIUM

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-8
2.2.a Shipment...................................................Page GB-8
2.2.b Lifting of the packing................................. Page GB-8
2.2.c Storage ..................................................... Page GB-8
2.3 RECEPTION OF THE MACHINE ...................... Page GB-9
2.4 UNPACKING ......................................................Page GB-9
2.5 IDENTIFICATION OF THE COMPONENTS ....Page GB-10
2.6 OVEN IDENTIFICATION................................. Page GB-10
CHAPTER................................................. 3
Chapter for the technician
3.1 OVEN LIFTING ................................................ Page GB-11
3.2 ASSEMBLING OF THE COMPONENTS.........Page GB-11
3.3 ELECTRICAL CONNECTION..........................Page GB-13
3.3.a Electric oven connection ......................... Page GB-13
3.3.b Electric hood connection ........................ Page GB-14
3.3.c Unipotential connection...........................Page GB-14
3.4 OVEN POSITIONING ......................................Page GB-14
3.4.a Chimney connection ............................... Page GB-14
3.5 FIRST STARTING ............................................Page GB-14
CHAPTER................................................. 4
Chapter for the technician and operator
4.1 TYPE OF USE AND CONTRAINDICATIONS.. Page GB-15
4.2 SAFETY PLATES.............................................Page GB-15
4.3 SAFETY DEVICES .......................................... Page GB-16
4.4 USER’S AREAS...............................................Page GB-16
4.5 RESIDUAL DANGER AREAS.......................... Page GB-16
CHAPTER................................................. 5
Chapter for the technician and operator
5.1 CONTROL BOARD AND PILOT LIGHTS ON
DIGITALLY CONTROLLED OVENS................. Page GB-17
5.2 MANUAL OVEN CONTROL BOARD...............Page GB-18
5.3 OVEN PREPARATION ..................................... Page GB-19
5.3.a General rules to bake on refractory
surfaces ..................................................Page GB-19
5.3.b General rules to bake in baking-tin ......... Page GB-19
5.3.c Oven starting .......................................... Page GB-20
5.4 PIZZA BAKING ................................................ Page GB-21
5.5 ALARM CONDITIONS DURING OVEN
FUNCTIONING ................................................Page GB-21
5.5.a ATemperature feeler alarm is damaged or
disconnected ................................................... Page GB-21
5.6 SELF-CLEANING CYCLE ............................... Page GB-22
5.7 CUTTING OFF.................................................Page GB-22
5.8 MALFUCTIONING,CAUSE AND CURE ..........Page GB-23
5.9 SAFETY THERMOSTAT RECHARGE............. Page GB-23
CHAPTER................................................. 6
Chapter for the technician and operator
6.1 ROUTINE AND PLANNED MAINTENANCE ...Page GB-24
6.1.a In general ...............................................Page GB-24
6.1.b Ordinary maintenance ........................... Page GB-24
6.1.b - a Outer cleaning
(to be carried out every day) ........................... Page GB-24
6.1.b - b Fireproof surface cleaning (to be
carried out every day) ..................................... Page GB-24
6.1.c Planned maintenance ............................Page GB-25
6.1.c - a Every 600 hours a careful
chamber cleaning .............................Page GB-25
6.1.c - b Every 2 years.................................... Page GB-25
6.1.d Maintenance in case of need.................Page GB-25
6.1.d - a Lamp holder replacement.................Page GB-25
6.1.d - b Lamp replacement............................Page GB-26
6.1.d - c Ceiling or bedplate resistance
replacement...................................... Page GB-26
6.1.d - d Door spring replacement .................. Page GB-27
6.1.d - e Door pane replacement .................... Page GB-28
CHAPTER................................................. 7
Chapter for the technician
7.1 OVEN DISASSEMBLY .................................... Page GB-29
7.2 OVEN SCRAPPING ........................................ Page GB-29
7.3 DISPOSING OF HARMFUL SUBSTANCES.... Page GB-29
WIRING DIAGRAM MM/D-E 435 - V400-230
Three-phase/V230 Single-phase ................... Page. GB-30
WIRING DIAGRAM MB/D-E 835 - V400 ............... Page. GB-31
WIRING DIAGRAM MB/D-E 835 - 230V
Three-phase ................................................... Page. GB-32
WIRING DIAGRAM MM/MB/E-D - 635S/L - 935 -
1235S/L - 230V Three-phase ......................... Page. GB-33
SCHEMA WIRING DIAGRAM MM/MB/E-D - 635S/L - 935 -
1235S/L - 400V .............................................. Page. GB-34
OVEN CAPTION MM435 E/D .............................. Page. GB-35
OVEN CAPTION MB 835 E/D ............................... Page. GB-35
OVEN CAPTION MM.E.D.-635S-635L-935 +
MB.E.D.-1235S-1235L ................................... Page. GB-35

MILLENNIUM MM/MB
General specifications and warning
GB - 3
1.1 - GENERALWARNINGS
-Before starting the oven, user shall carefully read this
handbook and be aware of both technical specifications
and control elements.
-User should be trained in the use of the oven.
- Before installing the oven, make sure the area the latter
shallbeplacediniscompatiblewithovenoveralldimensions
and weight.
-Incaseofinstallationorremovalofovenparts,onlymeans
of lifting & handling being suitable for both weight and
geometric 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.
Concerning operations to be carried out on the oven,
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
aswellas removing any protection,make sure the cutout
switch is on “OFF” (O), in order to disconnect power
supply 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.
Therefore it is recommended that the above 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
repaired.
-Do not remove the safety devices.
-Inordertoavoidpersonalrisks,onlysuitabletoolsshouldbe
used, in accordance with the local safety regulations.
-Donottampertheelectric and pneumatic plantoranyother
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,usesafeladdersorliftingdevices
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.
-Tocarryoutoperationsontheoven,donotuseyourhands,
but only appropriate tools.
-Do not use your hands or other tools to stop any moving
parts.
-Donotusehouseholdmatches,lightersorfreeflamesnear
the oven.
-TAKE HIGHEST CARE TO THE WARNING PLATES
BEING ON THE OVEN, WHEN YOU ARE GOING TO
CARRY OUT 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.
-It is strictly forbidden to carry out repairs when the
oven is functioning.
-In case of malfunctioning of the oven or damaged oven
components, please contact the person in charge of
maintenance, 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
direction as well as workers’ health & safety standards as
perlegislationbeinginforceintheovenutilizationCountries
or, in the event the latter do not exist, according to 89/391
EEC direction.
-The manufacturer declines all responsibility for any
injury or damage to persons or things arising from
inobservance of the safety regulations and the
instructions contained in this manual.
Chapter 1

MILLENNIUM MM/MB
General specifications and warning
GB - 4
-THESE SAFETY REGULATIONS INTEGRATE OR
COMPLEMENT THE LOCAL SAFETY REGULATIONS.
-NEVER carry out hasty or makeshift repairs which
couldjeopardizetheovenfunctioninganduser’ssafety,
as well.
-INCASEOFDOUBTALWAYSASKFORTHEPRESENCE
OF SKILLED PERSONNEL.
-MANUFACTURER DISCLAIMS ALL RESPONSIBILITY
IN CASE OF ELECTRIC, ELECTRONIC, MECHANICAL
TAMPERING OF THE OVEN BY USER OR
CARELESSNESS OF USER BY USING IT.
1.2 - REFERENCE NORMATIVE
-The oven and its safety devices have been built
accordingtotherulesbeingindicatedinthedeclaration
of conformity.
1.3 - DESCRIPTION OFTHE SYMBOLS
Several accidents are due to an insufficient
knowledge 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
instructions 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
booklet, following symbols have been used:
DANGER
This symbol is used in the safety messages
contained 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
booklet for any danger situation 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
whichcould result a shorter ovenlife orforimportant
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.

MILLENNIUM MM/MB
General specifications 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
regulations and provided with an efficient earthing.
•An omnipolar sectioning device shall be positioned
onthepowersupply line at the upper side of the oven.
•The electric power supply cables shall be
dimensioned by considering the highest
power 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
features shall be in compliance with the rules being
in force in the Country the oven shall be installed in.
b) Neutral wire
•Themachineis equipped with neutral wire,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 extinguishers.
DANGER
When the oven is under tension, do not try to
extinguish the fire by using water.
1.7 - EXPLOSION RISK
• Theovenisnotsuitableforbeingutilizedin hazardous
environment.
1.8 - ACOUSTIC PRESSURE LEVEL
With MILLENNIUM ovens, an A acoustic continuous
equivalent weighted pressure level(dB) under the
maximum allowed 70dB level is kept.

MILLENNIUM MM/MB
Technical data - Transport and unpacking
GB - 6
LP
H
L
1
P 1
L 1
P 1
A
A 1
L 2
P 2
P
LLP
H
PC
PC
A 1
A
L
P
P
2
L 2
900 mm
A
H 1
H 1
900 mm
435/D-E
635S/D-S/E
635L/D-L/E
935/D-E
835/D-E
1235S/D-S/E
1235L/D-L/E
OVERALL DIMENSIONS
Chapter 2
sizes in cm
Mod. Inside size Outside size Support
LPAL1P1A1HPC LP H1 P2 L2
435/D-E 73 73 15 105 95 40 17 90 105 43,7 90 105
635S/D-S/E 73 108 15 105 130 40 17 125 105 43,7 125 105
635L/D-L/E 113 73 15 145 95 40 17 90 145 43,7 90 145
935/D-E 113 108 15 145 130 40 17 125 145 43,7 125 145
835/D-E 73 73 15 105 95 73 17 90 105 43,7 90 105
1235S/D-S/E 73 108 15 105 130 73 17 125 105 43,7 125 105
1235L/D-L/E 113 73 15 145 95 73 17 90 145 43,7 90 145
H= neutral hood
H1= motor-driven hodd height

MILLENNIUM MM/MB
Technical data - Transport and unpacking
GB - 7
2.1 - TECHNICAL FEATURES
Model 435/D 635S/D 635L/D 935/D 835/D 1235S/D 1235L/D
435/E 635S/E 635L/E 935/E 835/E 1235/E 1235L/E
Electric connection 230V-3 230V-3 230V-3 230V-3 230V-3 230V-3 230V-3
400V-3 400V-3 400V-3 400V-3 400V-3 400V-3 400V-3
Power - kW/max 69,9 10,5 13,2 12 19,8 21
Cable section 4x2,5 4x2,5 4x2,5 4x2,5 4x2,5 4x2,5 4x2,5
5x2,5 5x2,5 5x2,5 5x2,5 5x2,5 5x2,5 5x2,5
MAXTEMPERATURE 400°C 400°C 400°C 400°C 400°C 400°C 400°C
Relative humidity 10 ÷ 80 %
Model Ceiling Bedplate Max Code
resistance resistance Power
N° W.CAD N° W.CAD Kw
435/D 1 Chamber 1 2900 1 Chamber 1 2900 6
435/E 2 Chambers 2 2900 2 Chambers 2 2900 12 EE281
3 Chambers 3 2900 3 Chambers 3 2900 18
635S/D 1 Chamber 3 1650 1 Chamber 3 1650 9,9
635S/E 2 Chambers 6 1650 2 Chambers 6 1650 19,8 EE292
3 Chambers 9 1650 3 Chambers 9 1650 29,7
635L/D 1 Chamber 6 875 1 Chamber 6 875 10,5
635L/E 2 Chambers 12 875 2 Chambers 12 875 21 EE294
3 Chambers 18 875 3 Chambers 18 875 31,5
935/D 1 Chamber 6 1100 1 Chamber 6 1100 13,2
935/E 2 Chambers 12 1100 2 Chambers 12 1100 26,4 EE287
3 Chambers 18 1100 3 Chambers 18 1100 39,6
835/D 2 Chambers 4 2900 2 Chambers 4 2900 12 EE281
835/E
1235S/D 2 Chambers 6 1650 2 Chambers 6 1650 19,8 EE292
1235S/E
1235L/D 2 Chambers 6 875 2 Chambers 6 875 21 EE294
1235L/E

MILLENNIUM MM/MB
Technical data - Transport and unpacking
GB - 8
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 being fixed
by means of screws and put into a box equipped with
strapping.
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
Thewayoftransportwill be agreedin course ofcontract
between supplier and purchaser.
IMPORTANT
The packing containing the oven shall be
transported protecting it from weather and it is
strictly forbidden to position other cases or materials
on it.
2.2.b - Lifting of the packing (Fig. 2)
The box should be handled with the most care. To lift
and to position the box use suitable lifting systems,
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