North FGASE4 Betriebsanleitung

Technical instruction

Manual for use and maintenance

GAS COOKER

MODELS

FGASE4 • EGASE4 • GASE2 • GASE2A • GASE2B • FGASE6 • EGASE6 • GASE21 •

GASE22 • GASE23 • GASE24 • GASE26

These appliances comply with requirements of E.E.C 90/396

SOTIRIOS D. PRODANAS & CO

PROFESSIONAL ELECTRIC & GAS MACHINES FOR RESTAURANT – PATISSERIES – SNACK BAR

OFFICE – FACTORY :National Road Kilkis-Thessaloniki (Entrance Galiko) Tel ++30 23410 41819 Fax ++30 23410 41539

P.O Box 400 70, P.C : 560 00 www.north.gr - e-mail : info@north.gr

1. PART I – INSTALLATION

We will present the essential data, technical characteristics and our advice for the

correct installation, use and maintenance of the appliances described. Let us remind

you that the appliances are professional use and that all procedures of installing,

connecting to the distribution network and positioning of the appliance in operation

should be carried out by properly qualified personnel and that all safety measures

applicable in the country of installation should be observed.

The manufacturer cannot be held responsible for any possible damage to

property, human beings or animals that might be caused by misuse of the

appliance or by using the appliance for purposes other than those

recommended for or not foreseen in this manual.

FIGURE 1: Technical Characteristics

Consumption Calories

Model Dimensions

(cm) Oven

Dimensions Type Frame Burner kW G30

Kg/h G20

m³/h G25

m³/h Mj

GASE21 32,5X36,5X16 - A INOX CAST IRON 6 0,43 0,49 0,62 21,6

GASE22 62,5X36,5X16 - A INOX CAST IRON 10,5 0,83 1,11 1,29 37,8

GASE23 93X36,5X16 - A INOX CAST IRON 16,5 1,32 1,60 1,92 59,4

GASE24 62,5X70X16 - A INOX CAST IRON 21 1,62 2,20 2,52 75,6

GASE26 93X70X16 - A INOX CAST IRON 31,5 2,34 3,24 3,82 113,4

GASE2 40.5 X 70 X 43 - A INOX CAST IRON 10.5 0.83 1.11 1.29 37.8

GASE2A 82 X 40.5 X 43 - A INOX CAST IRON 7.5 0.59 0.79 0.92 27

GASE2B 82 X 40.5 X 43 - A INOX CAST IRON 9 0.71 0.95 1.11 32.4

EGAS4 82 X 70 X 43 - A INOX CAST IRON 18 1.42 1.90 2.22 64.8

EGAS6 119 X 70 X 43 - A INOX CAST IRON 27 2.13 2.86 3.32 97.2

FGASE4 82 X 70 X 95 55x52x25 A INOX CAST IRON

& INOX 24.5 1.93 2.59 3.02 88.2

FGASE6 119 X 70 X 95 55x52x25 A INOX CAST IRON

& INOX 33.5 2.64 3.54 4.12 120.6

Unit Big Medium Small Oven

Normal Thermal energy provided KW 6 4.5 3 5

Reduced thermal energy provided KW 2 1 1 1.70

G 30 Main air regulation at 28… 30 mbar Mm APERTA APERTA APERTA APERTA

G 20 Main air regulation at 20 mbar Mm 11 APERTA 8.0 9

G 30 Main air regulation at 50 mbar Mm 16 APERTA 8 11

G 25 Main air regulation at 25 mbar Mm 11 APERTA 8 9

G 25 Main air regulation at 20 mbar Mm 11 APERTA 8 9

G 30 Main burner nozzle at 28… 30 mbar Mm 1.25 1.20 0.85 1.30

G 20 Main burner nozzle at 20 mbar Mm 1.90 1.60 1.30 2.00

G 30 Main burner nozzle at 50 mbar Mm 1.10 0.95 0.75 1.15

G 25 Main burner nozzle at 25 mbar Mm 2.00 1.65 1.40 2.10

G 25 Main burner nozzle at 20 mbar Mm 2.10 1.70 1.45 2.20

G 30 Pilot burner nozzle (28… 30 mbar and

50 mbar) No 20 20 20 20

G 20 Pilot burner nozzle at 20 mbar No Registered Registered Registered Registered

G 25 Pilot burner nozzle at 20 mbar & 25

mbar No Registered Registered Registered Registered

G 30 by-pass valve (28… 30 mbar and 50

mbar) Mm 55 40 40 --

G 20 by-pass valve at 20 mbar Mm Registered Registered Registered Registered

G 25 by-pass valve at 20 mbar & 25 mbar Mm Registered Registered Registered Registered

1.1 Standards and Requirements

We would like to remind you that appliances installed in places open to the public should

meet specific requirements. Among them there are:

• Specific standards for the type of public place.

• Safety standards against fire and cause of panic in public place.

• General standards for the installation of cooking appliances in refreshment

facilities.

• General standards concerning installation using combustible gas and liquid

hydrocarbons.

1.2 Packing

Make sure packing is intact before removing the appliance. Open cardboard carefully to

ensure no metal stapling, adhesive tape or other packing components litter the

environment, as these can prove hazardous.

1.3 Obstacles and Position

• Make sure there is enough space available for the placement of the appliance.

Make sure that the surface it stands on is stable and level.

• Remove the protective tape from the external parts of the appliance, making sure

no glue or plastic is stuck on the surface. If there are residues of glue, remove

them using the right solvent.

• Make sure the appliance is level on the surface available. If necessary, regulate its

height accordingly, by adjusting the legs of the appliance.

1.4 Connection

Before connecting the appliance to the network make sure that:

• The gas available it is the one the appliance is regulated for. If it is not, do not

proceed with connection. Regulate the appliance for the gas available following

instructions under 2.2.

• Burners are manufactured to stand thermal and mechanical stress and are

equipped with fixed nozzles. This is why it is necessary to change the nozzles

every time you change the type of gas.

• Data concerning the regulation of the appliance are to be found on the label of the

right hand wall.

• Connect the appliance to the network using only metal piping, either rigid or

flexible.

• Make sure the pressure used is the pressure the appliance is regulated for. In no

case should pressure exceed 50 mbar.

• Use the right sealing materials for all connections and check them for leaks.

• It is important for walls adjacent to appliance to be protected from the heat. Use

refractory materials or allow at least 200mm between the appliance and any

adjacent walls (see figure below).

• Network connection should be made through a gate valve. This valve should be

closed when the appliance is not in operation.

1.5 Combustion Products

Appliances should be installed in places appropriate for the removal of fumes according

to installation specifications. Our appliances are classified as gas type A.

Such appliances must send fumes into appropriate air extractors connected to safe and

effective pipes that direct them outdoors.

! CAUTION !

Appliances must always be positioned below 200 mm ON THREE SIDES an air

extractor, which directs fumes outdoors.

Appliances with an overall thermal power exceeding 14 Kw must be installed below an

air extractor with a switch and pilot for the gas supply system.

Specifically, the supply circuit electric valve at the top

of the appliance must be switched-off.

Make sure there are set by installation standard UNI-CIG 8723,

point 4.3 ‘’Removal of combustion products’’.

Indicatively, the air extractor must guarantee aspiration power

equivalent to 35 m³ of air per hour for every Kw of thermal

power provided.

Pipes to collect fumes from the appliances and direct them to

a single air-extractor point can be provided at your request.

In this case, too, the appliance must be placed under an

air-extractor.

2. OPERATION

The appliance operates under normal power with the nozzles mentioned above (see

Table of Figure 1). Supply pressure must correspond to the value mentioned in the

relevant data table.

2.1 Pressure Control

In order to measure the supply pressure, you need a liquid manometer with a minimum

sub-division of 0,1 mbar (eg a U-shaped pressure gauge).

Follow this procedure:

• Remove the appliance to regulate the opening to be found behind.

• Unscrew the screw shutting the pressure valve.

• Connect the manometer and measure the pressure.

• Remove manometer, re-screw the screw and make sure there are no leaks.

2.2 Regulation for operation with varius gases

Both the packaging and the appliance carry the regulation data for suitable gases. If

regulation is necessary for another type of gas, you should:

a) make sure which type of gas and pressure correspond to the values mentioned in

the relevant data table.

b) Choose the right nozzle for the specific type of gas and the pressure available in

place, keeping in mind data included on Figure 3 of this manual (keep in mind that

pressure should never exceed 50 mbar) and replace nozzle, if necessary.

2.3 Main burner regulation

• Replace nozzle by unscrewing it and screwing the one appropriate for the type of

gas.

• Regulate main air supply through the regulating ring, adjusting distance A as seen

on the Table of Figure 1.

• In order to regulate the flow of the main air supply, unscrew place ring in desirable

position and screw the screw back on until shut.

• To make sure the regulation of the main air supply is the right one, see that no

flames break away from the burner when it is cold and there is no flame going back

into the nozzle when the burner is hot.

2.3 Regulation of the pilot burner

In order to regulate the nozzle of the pilot burner, it is necessary to remove the base wall

so that you can gain better access to the pilot.

• The nozzle of the pilot burner has a bore regulated for gas G30. In order to adjust it

for the use of G20, unscrew the connection that keeps the nozzle in place.

• Using a small screwdriver unscrew the nozzle anti-clockwise until the flame is

properly regulated.

• Return any parts you may have removed into their previous position.

• No regulation of main air supply is necessary for the pilot burner. In order to

regulate the flame, light the pilot burner and make sure the flame is of a regular

shape and reaches the thermal couple. If flame is not regular, check the regulation

again.

2.4 Operation Control

• Check that the appliance is level on the supporting surface.

• Make sure there is a good clean air inflow.

• Make sure there are no leaks or loss of gas.

• Set the appliance in operation.

• Check flame stability of both the main and the pilot burner.

• Make sure non-combusted gases have an appropriate outlet.

2.5 Interventions, repairs and replacements

(for authorized technicians only)

Even if the appliance is used correctly, some problems may arise for various reasons.

The table that follows mentions some possible problems and some suggestions to put

them right.

! CAUSION !

• Before any intervention for maintenance, repairs or simple cleaning of the

appliance, you must shut the gas supply gate valve at the top of the appliance.

• At the end of any intervention for maintenance or repairs to some parts the

appliance related to gas, check for air-tightness and make sure there are no leaks

or losses.

FIGURE 3 Possible Problems

PROBLEM POSSIBLE EXPLANATION

Gas smell Possible gas loss:

Check external pipes and connections

Smell of non-burned gas

Check that combustion is proper / Check that gas

consumptions is not excessive / Check that hot

fume circuit is not obstructed / Check that air-

extractor and area ventilation are operating

property

The pilot burner does not light Check that the electrode is property placed.

There may be a leak in the gas supply pipe or a

problem with the nozzle

The pilot burner goes out Check that the flame is large enough to heat the

thermal couple

‘’Explosions’’ in the burners Check gas pressure.

Make sure the pilot burner flame is not too far from

the main burner

The main burner does not light

Check there is a leak in the gas supply pipe or any

problem with the nozzle / The burner parts may be

improperly placed / Check the position of the pilot

burner

2.6 Gate valve

• The valve that regulates the gas inflow offers thermal safety, which makes sure

that the gas flow is interrupted if the flame goes out.

2.7 Regulation of minimum burning

• The (by-pass) valve nozzle has 1,20mm bore and has to be fully screwed for gas

G30. In case of regulation for other gases (G20), the by-pass has to be unscrewed

(by turning the screw anti-clockwise until a clear and regular flame appears). In

order to regulate the by-pass, light the burner at the minimum setting, remove the

handle from the valve and regulate the screw marked with an arrow, until a clear

and regular flame appears. The regulation must be fully screwed when changing

from methane to G.P.L. or must be open in the opposite case.

2.8 Interventions and repairs

• If intervention is necessary in the gate valve, all you have to do is to remove the

handle and the front wall.

• In order to replace the gate valve you need to unscrew the connections in the

following order:

First, the connections of the thermal couple and the pilot burner, then the

connection of the gas outlet and, finally, the connection of the gas inflow.

• Replacing other parts, such as the pilot burner, the thermal couple and the ignition

source is simple, once the base wall is removed.

3.PART III – For the user

3.1 Operation – General Precautions

We would like to remind you that these appliances are designed exclusively for

professional use and must be operated by specialized personnel.

In order to set the appliance into operation, observe meticulously everything included

in these pages as well as ordinary safety measures:

• Make sure there is no gas leak.

• Check that the flame is regular by going from maximum to minimum settings.

• Check that the burner lights properly along its full length.

• Check that the pilot burner operates properly.

• Make sure there is a good inflow of clean air.

3.2 Lighting

• When fryer is off, the gate valve handle is vertical and the round indication is at the

top.

• Press the handle slightly and turn it anti-clockwise until you bring it to the flame

indication.

• While you keep the handle pressed, light the appliance using the piezoelectric

ignition device. The flame of the pilot burner will light (the first time you light it, you

must persist because the pipes are full of air and it might take some time before

the burners light).

• Once the pilot burner is lit, keep the handle pressed for a few seconds until thermal

safety couple warms well.

• Turn the handle anti-clockwise until you bring it to the position of the highest flame

and make sure the burner is fully lit.

• The next position is that of the medium flame; you can choose this setting once the

oven has reached the desirable temperature.

3.3 Maintenance

• Before you carry out any maintenance work, you must shut the gas supply gate

valve found at the top of the appliance.

• The user should sign a maintenance contract with technical personnel; this

contract should foresee at least one full check-up annually.

• We specifically recommend regular checking to make sure the pilot burner the

ignition source and the flame regulator are clean.

• The gate valve must be checked at least once a year and, if necessary, the

specific protective oil should be replaced.

• If all instructions of this manual are observed, NORTH appliances will be of perfect

service for a long time.

• The manufacturer cannot be held responsible for any damage caused to property,

human beings or animals due to misuse of the appliances or non-observance of

the instructions included in this manual.

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