ZANOLLI Citizen 6/MC User manual

CITIZEN 6 - 9/MC
CITIZEN 6+6 - 9+9/MC
ELECTROMECHANICAL VERSION
Pizza and delicatessen ovens
Installation, use and maintenance manual
DR. ZANOLLI s.r.l.
Via Casa Quindici, 22
37066 Caselle di Sommacampagna (Verona) Italy
Tel [phone] (r.a.)
Fax [phone]
Web: www.zanolli.it e-mail: z[email protected]

Dr. Zanolli s.r.l.
Via Casa Quindici, 22
37066 Caselle di Sommacampagna VR
TEL. [phone] FAX [phone]
VAT N.IT00213620230
Citizen 6 - 9/MC, Citizen 6+6 - 9+9/MC
Electromechanical version
English manual
cod. CIT.M-B.E.EM.UK.12
rev. 0.1 del 07/08/2013

_________________________________________________________________________INDEX
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3 CITIZEN 6 - 9/MC, CITIZEN 6+6 - 9+9/MC ELECTROMECHANICAL VERSION
INDEX
1. INTRODUCTION........................................................................5
2. HOW TO USE THIS MANUAL...................................................6
3. SPECIFICATIONS .....................................................................8
3.1 Product identification...................................................................... 8
3.2 Conformity to directives ................................................................. 8
3.3 Envisaged use ................................................................................. 8
3.4 Technical specifications................................................................. 9
4. INSTALLATION .......................................................................10
4.1 Checking on delivery..................................................................... 10
4.2 Choosing a place for installation ................................................. 11
4.3 Moving the unit.............................................................................. 12
4.4 Mounting the module .................................................................... 13
4.5 Electrical connection .................................................................... 13
4.6 Emissions from cooking appliance.............................................. 14
4.7 Checking before starting work..................................................... 15
5. WORKING................................................................................16
5.1 Control panel ................................................................................. 16
5.1.1 Temperature control (vers. TERM0012)....................................................16
5.1.2 Temperature control (vers. TERM0060)....................................................16
5.1.3 General........................................................................................................16
5.1.4 Power control .............................................................................................17
5.2 Control description ....................................................................... 17
5.2.1 Main ON/OFF switch ...........................................................................17
5.2.2 Baking chamber light switch..............................................................17
5.2.3 Switch for suction hood ................................................................17
5.2.4 Temperature control Baking chamber temperature display
18
5.2.5 Set button, Push-button of ESC (vers. TERM0012)............18
5.2.6 Button of SET and of ESC (vers. TERM0060) ...............................18

_________________________________________________________________________INDEX
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5.2.7 and buttons............................................................................19
5.2.8 OUT display (vers. TERM0012).......................................................19
5.2.9 “out1“ display led green (vers. TERM0060) .............................................19
5.2.10 Power regulators .............................................................19
5.2.11 Oven roof and bedplate pilot lamps....................................20
5.3 Error display.................................................................................. 20
5.3.1 Short-circuited thermocouple (vers. TERM0012) ....................................20
5.3.2 Disconnected thermocouple (vers. TERM0012) ......................................20
5.3.3 Disconnected thermocouple (vers. TERM0060) ......................................20
6. THE USE OF THE OVEN ........................................................21
6.1 Preparation for use........................................................................ 21
6.2 Ignition of the control panel ......................................................... 21
6.3 Settings.......................................................................................... 21
6.4 Baking start.................................................................................... 21
6.5 Loading the oven........................................................................... 21
6.6 General indications for good cooking ......................................... 22
6.7 Turning off ..................................................................................... 22
7. CLEANING...............................................................................23
7.1 Cleaning the exposed parts.......................................................... 23
7.2 Cleaning the parts made from ceramic refractory material........ 23
7.3 Cleaning the oven's cooking chamber ........................................ 24
7.4 Cleaning external surfaces........................................................... 24
8. MAINTENANCE.......................................................................25
8.1 Ordinary maintenance work ......................................................... 25
8.1.1 Light replacement ......................................................................................25
8.2 Error displays ................................................................................ 25
8.3 Electrical diagram ......................................................................... 26
8.4 Adjustment for different feed voltages ........................................ 26
8.5 Exploded views and spare parts list............................................ 34
9. DECOMMISSIONING AND DEMOLITION..............................39
10. DECLARATION OF CONFORMITY.......................................40

______________________________________________________________1. INTRODUCTION
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5 CITIZEN 6 - 9/MC, CITIZEN 6+6 - 9+9/MC ELECTROMECHANICAL VERSION
1. INTRODUCTION
The electrically fed baking modules of the "CITIZEN" oven series have been
designed mainly for the baking of pizzas and similar products in a traditional
way.
Of a high mechanical and electrical quality, the ovens of the "CITIZEN" series
are built with a single frame, in a version with one or two chambers and with
baking surfaces housing 6 or 9 pizzas having a 30 cm diameter.
As part of a modular series, these ovens can be combined with other
elements of the same range (hood, proofing chamber, base and base
modules), thus meeting each Customer's specific requests.
In particular the ELETTROMECHANICAL version, which we are referring to
in this manual, has been conceived to give our Customers a reliable, user-
friendly oven with base functions for a pizzeria oven.
The manufacturer wish to thank you for the preference you us by choosing
this product. We can assure you that you made a good choice, since for
decades our company has been committed to the manufacture of quality
products without compromises in the selection of the best materials.
For a better use of your new oven, we are asking you to follow the
instructions given in this manual.

____________________________________________________2. HOW TO USE THIS MANUAL
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6 CITIZEN 6 - 9/MC, CITIZEN 6+6 - 9+9/MC ELECTROMECHANICAL VERSION
2. HOW TO USE THIS MANUAL
The paragraphs with this symbol contain essential safety
information. They must all be read both by the installers and by the final
user and any of his staff who may use the equipment. The manufacturer
shall not be held liable for any damage which may occur as a result of
failure to observe the norms indicated in these paragraphs.
The paragraphs with this symbol contain important information
which can be used to avoid damage being caused to the equipment. It
is the user’s own interest also to read these paragraphs carefully.
This symbol applied to various points on the oven serves to warn
the user of danger: "ATTENTION: HOT SURFACES!".
This symbol, applied to various points on the oven, serves to warn
the user of the presence of a non-insulated "high voltage hazard" inside
the oven's casing, there being enough power to constitute a fire risk or
to electrocute a person.
This manual should be kept near to the equipment itself so it can be
quickly and easily consulted. The manual must travel with the equipment if it
is moved to another owner as the latter may not be considered complete or
safe without it.
Please take note of the code and revision numbers which are behind the
back cover. If this copy should get mislaid or destroyed you can order
another one by referring to the codes.
This manual is divided up into a number of chapters. All of these should
be read by the installers, maintenance staff and the final user, both in
relation to its safe use and in order to obtain the best result from this
product.
Despite this we also give below some useful indications on how to look things
up quickly in the various chapters.
Chapter 3 describes the field of use of the equipment and provides the
characteristics and figures which may be needed when choosing, installing
and using it. It should be used as a reference to check the use which is
intended to be made of the equipment corresponds to that for which it was
designed, and whenever it is necessary to know an exact size value relating
to the equipment.

____________________________________________________2. HOW TO USE THIS MANUAL
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Chapter 4 provides all the information necessary for the installation of the
equipment. The manual is primarily written for specialised staff but may be
read in advance also by the final user to prepare and set up the space and
plant necessary for the proper working of the equipment.
Chapter 5 is for reference whenever the user wishes to clarify specific
aspects of the equipment operation. It is not advisable to use these
chapters as a way to learn how to use the equipment.
Chapter 6 is useful for the user who has to learn to use the oven from
scratch. It guides the user through the essential operations for switching on,
use and switching off of the equipment in safety. To exploit all the
possibilities of the equipment the user should refer to chapter 5.
Chapter 7 provides all the information required for the cleaning of the
equipment i.e. all those operations which have to be carried out by the user
in order to ensure that the equipment continues to function safely (especially
from the point of view of hygiene) and generally obtains the best results at all
times.
Chapter 8 provides the information necessary for proper periodic and
extraordinary maintenance e.g. repairing or replacing of the equipment.
This chapter also has an exploded view of the equipment and list of spare
parts to make ordering and replacing any damaged parts easier.
These maintenance operations must be carried out by specialised staff.
Chapter 9 provides the information necessary for the decommissioning and
demolition.
Chapter 10 facsimile declaration of conformity.

_____________________________________________________________3. SPECIFICATIONS
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8 CITIZEN 6 - 9/MC, CITIZEN 6+6 - 9+9/MC ELECTROMECHANICAL VERSION
3. SPECIFICATIONS
3.1 Product identification
This manual refers to single chamber baking modules 6 - 9/MC and to double
chamber modules 6+6 - 9+9/MC of Citizen series, version with
electromechanical controls.
3.2 Conformity to directives
The above mentioned baking modules carry the following compulsory
marking:
which guarantees their conformity to the following European directives:
2004/108/CE electromagnetic compatibility;
2006/95/CE low voltage.
3.3 Envisaged use
The baking modules of the Citizen series have been designed to bake pizzas
and similar products and non fine pastry onto pans or directly on refractory
surfaces. Such modules are meant for a professional use only by qualified
personnel in the restaurant industry (restaurants, pizzerias, pastry shops,
etc.) and are exclusively intended to be used by qualified staff.
The operations envisaged in normal usage are the opening and closing of the
doors, the loading and unloading of the products from the bedplates of the
baking chamber, switching on, regulation, switching off and cleaning of the
equipment.

_____________________________________________________________3. SPECIFICATIONS
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9 CITIZEN 6 - 9/MC, CITIZEN 6+6 - 9+9/MC ELECTROMECHANICAL VERSION
3.4 Technical specifications
The following table shows the baking modules’ technical specifications.
Citizen
6/MC
Citizen
6+6/MC
Citizen
9/MC
Citizen
9+9/MC
Units of
measure
ment
Weight
125
248
150
310
Kg
External dimensions
1370×960×
400
1370×960×
715
1370×1310×
400
1370×1310×
715
mm
Cooking chamber size
1050×700×
155
1050×700×
155
1050×1050×
155
1050×1050×
155
mm
Capacity (pizzas Ø30cm)
6
6+6
9
9+9
n°
Electrical feed
three-phase or three-phase + neutral
Voltage
230 o 400
Vac
Frequency
50 o 60
Hz
Current at 400Vac
3-N 50/60Hz
13.9
26
16.55
33.1
A
Current at 230Vac
3 50/60Hz
24
48.2
28.6
57.2
A
Current at 230Vac
1-N 50/60Hz
38.3
76.5
48.7
97.4
A
Total electrical power
8.8
17.6
11.2
22.4
kW
Electrical connection
plugless 4 or 5 lead cable
Cooking chamber light
Type
halogen
Power
50
W
Cooking control
Temperature control
electronic thermostat
Maximum temperature
which can be set
400
°C
Power control
separate for oven roof and bedplate
Ambient conditions
Temperature
0-40
°C
Maximum humidity
95% without condensation
Table 3.1.Technical specifications

_______________________________________________________________4. INSTALLATION
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4. INSTALLATION
ATTENTION: these installation instructions are for the
exclusive use of personnel qualified for the installation and
maintenance of electrical and gas equipment conceived for professional
use in the foodservice industry and community catering operations. An
installation carried out by unqualified persons could cause damage to
the oven, to people, animals or property.
ATTENTION: Proceed with the installation according to those
norms in force in the country where it is being carried out.
In addition, where it is necessary to carry out modifications or adaptations to
the electrical or gas systems of the building in which the oven will be
installed, whoever carries out such modifications must certify that the work
has been undertaken according to current “best practices”.
4.1 Checking on delivery
Unless otherwise agreed, the products are carefully packaged in a robust
structure in wood and with a sheet of nylon bubble wrap giving protection
against knocks and humidity during transport. These are consigned to the
freight operator in the best of condition.
We recommend, however, that you to check the packaging on arrival for
any signs of damage. If damage has occurred, have it noted on the receipt
which must be signed by the driver.
Once the equipment has been unpacked, check that it has not suffered
damage. Also check that all the dissembled parts are present.
In the event of damage to the equipment and/or missing parts, bear in
mind that the freight operator can only accept claims within 15 days of
delivery and that the manufacturer cannot be held responsible for damage
incurred to its products during their delivery. We are however, available to
assist you in presenting your claim.
In the event of damage do not try to use the equipment and
consult with professionally qualified personnel.

_______________________________________________________________4. INSTALLATION
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Figure 4.1.Cooling openings
4.2 Choosing a place for installation
An effective, safe and long lasting functioning of the appliance also
depends on the position in which it is installed. For this reason, it is advisable
to carefully consider where to install the equipment before it is delivered
Install the appliance in a dry and easily accessible place both to facilitate its
use and to carry out cleaning and maintenance. The area around the
equipment must be kept clear. It is particularly important to avoid obstructing
the cooling outlets located at the sides of the equipment.
The appliance must be installed
at least 20cm from the walls of the
room or from other equipment so that
the ventilation outlets located on the
sides of the oven are not obstructed.
Whilst in operation, cooking equipment
produces vapor and cooking smells that
compromise the integrity of a healthy
working environment.
In the case of electric ovens, even if it is not obligatory, the installation
of an extraction fan and hood is recommended to improve conditions in the
working environment and to avoid damage to the ceiling of the area where it
is housed caused by hot, oily fumes.
A check must be made to ensure that the temperature and relative
humidity never exceed the maximum and minimum values indicted in the
specifications (see paragraph 3.4) even when the oven itself or other ovens
in the room are functioning.
Exceeding these values especially the temperature or the maximum
relative humidity can easily and unexpectedly damage electrical equipment
creating hazardous situations.
The manufacturer cannot answer for damage caused by ignoring
these abovementioned norms as well as the information in this manual.

_______________________________________________________________4. INSTALLATION
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12 CITIZEN 6 - 9/MC, CITIZEN 6+6 - 9+9/MC ELECTROMECHANICAL VERSION
Figure 4.2.Centre of gravity
4.3 Moving the unit
To offload and transport the unit, use a
pallet truck or a transpallet lifter with a load
capacity at least equal to that of the unit,
insert the forks into the space provided in
the lower part of the packing.
When moving the module which is not
packed insert the forks in the upper
chamber.
To avoid damage, place protective
material between the forks and the unit.
In all situations, to avoid unpredictable movement, be aware of
the equipment’s centre of mass (Fig.4.2 e Tab.4.1).
Take care that children do not play with the packaging materials
(e.g., plastic sheeting and Styrofoam): suffocation danger!
a (mm)
b (mm)
c (mm)
Citizen 6/MC
685
455
200
Citizen 6+6/MC
685
455
357
Citizen 9/MC
685
630
200
Citizen 9+9/MC
685
630
357
Table 4.1.Centre of gravity

_______________________________________________________________4. INSTALLATION
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4.4 Mounting the module
Position the modules one above the other in the right order (prover or base,
baking module, hood) and fix by means of the accompanying hooks and
screws.
Figure 4.3.Position of electrical cable input, steam outlet and plate
4.5 Electrical connection
Before making any connection, check that the specifications of the
electrical supply to which the equipment must be connected, correspond to
the specifications of the power supply required by the apparatus itself (see
Tab. 3-1).
The appliances are supplied with an electric connection with
ground/earth cable for connecting the appliance to the power grid according
to the supply required (see cap. 3.4 Tab. 3.1).
In compliance with the safety norms in force. It is obligatory to connect the
ground/earth cable (yellow-green) to an earthing system with the same
a [mm]
b [mm]
c [mm]
d [mm]
w [mm]
Citizen 6/MC
740
630
733
400
1370
Citizen 6+6/MC
740
630
733
715
1370
Citizen 9/MC
740
630
1083
400
1370
Citizen 9+9/MC
740
630
1083
715
1370
steam outlet
electrical cable input

_______________________________________________________________4. INSTALLATION
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14 CITIZEN 6 - 9/MC, CITIZEN 6+6 - 9+9/MC ELECTROMECHANICAL VERSION
dispersion capacity as the appliance itself. The efficiency of this system
must be correctly verified according to the norms in force.
The power cable must terminate with a plug to connect to the electrical
switchgear having a corresponding differential magneto thermal switch.
The equipment is not supplied with a power plug.
The coupling between plug and socket must be such that the earth
conductor is connected first and disconnected last and must have the right
dimensions for the rated current (see Table 3-1). Plugs and sockets for
industrial use of the type CEE17 are suitable or those which satisfy European
norm EN 60309.
The thermal circuit breaker must be calibrated to the total rated current and
the magnetic circuit breaker calibrated to the rated current (In the case of
ovens this is only slightly higher than rated current), while the differential
mechanism must be calibrated to the 30 mA current (see Table 3-1).
The electrical socket must be easily accessible and must not require further
location after the installation of the equipment. The distance between the
equipment and the socket must be sufficient to avoid stretching the power
cable
The power cable must never be trapped under the feet or
wheels of the equipment
If the Power cable is damaged it must be substituted by
customer support or by a qualified service engineer so as to avoid
any risk.
The manufacturer does not accept responsibility for damage caused
by failure to observe the abovementioned norms.
For the position of the electrical power connections, see Fig. 4.3.
4.6 Emissions from cooking appliance
ATTENTION! Proceed with the installation of the oven according
to the norms defined by current legislation in the country concerning
the installation of this typology of oven so as to guarantee the
sustainability of a healthy working environment. For more information it
is recommended that specific norms be consulted.

_______________________________________________________________4. INSTALLATION
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15 CITIZEN 6 - 9/MC, CITIZEN 6+6 - 9+9/MC ELECTROMECHANICAL VERSION
The manufacturer cannot answer for damage caused by ignoring
these abovementioned norms as well as the information in this manual.
4.7 Checking before starting work
After completing installation of the unit a series of checks must be carried
out, listed as follows:
- check that the various disassembled parts have been assembled
- check the power cable
- check that the control panel is working
- If present, check that the ventilation hood is working
IMPORTANT - PRE-HEATING PHASE AT FIRST IGNITION
The components of the brand new oven (refractory stone bottom and metal
parts) need to be pre-heated before being used for the first baking.
When the oven is switched on the first time, it is necessary to HEAT IT
GRADUALLY IN ABOUT 5-6 HOURS (1°h=100°C - 2-3°h=150°C -
4°h=200°C - 5°h=250°C - 6°h=300°C). The max temperature has to be
reached at the end of this pre-heating phase.
This procedure is absolutely necessary to avoid damages to any part of the
oven.

_________________________________________________________________5. WORKING
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5. WORKING
5.1 Control panel
Figure 5.1. shows the control panel with all controls:
5.1.1 Temperature control (vers. TERM0012)
Baking chamber temperature display
Set button
Push-button of ESC
Up button
Down button
Out display
5.1.2 Temperature control (vers. TERM0060)
Baking chamber temperature display
Push-button set and ESC
Up button
Down button
“out1” led green display
5.1.3 General
Baking chamber light switch
Baking chamber on/off switch
Switch for suction hood
Fig.5.1.Control panel

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5.1.4 Power control
Oven roof power regulator and light
Oven bedplate power regulator and light.
5.2 Control description
5.2.1 Main ON/OFF switch
When this switch is OFF, all displays on the control panel are off. When it
is ON, the switch itself and the thermostat turn on, so that it is possible to
set the temperature. The baking chamber heating elements remain off as
long as the switch is off. When the switch is ON, it turns on and the
baking chamber heating elements turn on according to the set temperature
and power.
5.2.2 Baking chamber light switch
By setting switch on ON, the switch and the chamber light turn on.
5.2.3 Switch for suction hood
The switch for suction hood control
is placed on the side part of the control
panel, on the upper side (Pos.1 of Fig. 5.2).
Push this switch on position “I” to start one of the two motors of the suction
hood.
Push this switch on position “II” to start both motors of the suction hood.
Push this switch on position 0 to stop it.
Pos.1
Fig.5.2

_________________________________________________________________5. WORKING
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5.2.4 Temperature control Baking chamber temperature
display
In the normal operation mode, this display shows the cooking chamber
temperature in °C.
In the temperature programming mode, this display shows the programmed
temperature. This displays is also used to display some failures (5.3).
5.2.5 Set button, Push-button of ESC (vers. TERM0012)
Press two times this button to select the temperature programming
mode.
WARNING ! do not keep this button pressed because this might alter
the thermostat internal parameters and cause possible unpredictable
failures.
In this operation mode, the display shows the programmed
temperature, which can be changed using the and buttons. If no
buttons are pressed for more than 3 seconds, the thermostat automatically
returns to the normal operation mode. See chapter 8 for the range of
temperatures that can be selected.
To press two times this push-button in order to exit from the way
programming temperature.
5.2.6 Button of SET and of ESC (vers. TERM0060)
To press once this button to select the temperature programming
mode.
WARNING ! do not keep this button pressed because this might alter
the thermostat internal parameters and cause possible unpredictable
failures.
In this operation mode, the display shows the programmed
temperature, which can be changed using the and . buttons. If
no buttons are pressed for more than 15 seconds, the thermostat
automatically returns to the normal operation mode. See chapter 8 for the
range of temperatures that can be selected.

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To press a second time this push-button in order to exit from the way
programming temperature.
5.2.7 and buttons
By pressing and releasing these buttons once, the set temperature
increases or decreases by one unit. By keeping them pressed, the set
temperature increases or decreases progressively, slowly at first and then
faster.
5.2.8 OUT display (vers. TERM0012)
The display turns on every time the baking chamber temperature is
below the set temperature. It turns off when the cooking chamber
temperature reaches the set temperature and goes on again when the
baking chamber temperature goes 1° C below the set temperature.
When the display is on, the baking chamber heating elements turn on
according to their power settings.
5.2.9 “out1“ display led green (vers. TERM0060)
The “out1” display led green turns on every time the baking chamber
temperature is below the set temperature. It turns off when the cooking
chamber temperature reaches the set temperature and goes on again
when the baking chamber temperature goes 1° C below the set
temperature.
When the “out1” display is on, the baking chamber heating elements turn
on according to their power settings.
5.2.10 Power regulators
Each baking chamber has two power regulators, one connected to the
oven roof heating elements, and the other one to the bedplate heating
elements. These regulators ensure an even distribution of the heat inside
the baking chamber so as to obtain an even cooking.
Each power regulator controls the power of its own heating element,
regulating the start up time of the heating element within a range of 30
seconds.
If the power regulator is set on 10, its heating element will be on for 3
seconds and off for 27 seconds ( provided the is on). If the power
regulator is placed on 50, its heating element is on for 15 seconds and off

_________________________________________________________________5. WORKING
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for 15 seconds. When the power regulator is placed on 100, its heating
element is always on (provided the display is on ).
5.2.11 Oven roof and bedplate pilot lamps
Both oven roof and bedplate pilot lamps turn on when the display is
on and its power regulator is switching on within the regulation cycle, to
indicate that its heating element is actually on.
power regulation
position
no. secs. to switch on
no. secs. to switch off
10
3
27
20
6
24
30
9
21
40
12
18
50
15
15
60
18
12
70
21
9
80
24
6
90
27
3
100
30
0
5.3 Error display
5.3.1 Short-circuited thermocouple (vers. TERM0012)
When the thermocouple is across the line (short circuit), the
display shows “---”.
5.3.2 Disconnected thermocouple (vers. TERM0012)
When the thermocouple is disconnected or interrupted, the
display shows “EEE”.
The same code of error appears if the baking chamber temperature
exceeds the maximum temperature that can be selected.
5.3.3 Disconnected thermocouple (vers. TERM0060)
When the thermocouple is disconnected or interrupted, the
display shows “PR1”.
The same code of error appears if the baking chamber temperature
exceeds the maximum temperature that can be selected.