Cobra CB6 User manual

600mm Gas Barbeque
Model CB6
INSTALLATION AND OPERATION MANUAL
230582-9
For use in GB, IE & DK

The reproduction or copying of any part of this manual by any means whatsoever is strictly forbidden unless authorized
previously in writing by the manufacturer.
In line with policy to continually develop and improve its products, Moffat Ltd. reserves the right to change the
specifications and design without prior notice.
© Copyright Moffat Ltd. April 2014.
MANUFACTURED BY
Moffat Limited
Christchurch
New Zealand
INTERNATIONAL CONTACTS
AUSTRALIA
Moffat Pty Limited
E.Mail: [e-mail]
Main Office: (tel): [phone]
(fax): [phone]
Service: (tel): 1800 622 216
Spares: (tel): 1800 337 963
Customer Service: (tel): 1800 335 315
(fax): 1800 350 281
CANADA
Serve Canada
Web: www.servecanada.com
E.Mail: [e-mail]
Sales: (tel): 800 551 8795 (Toll Free)
Service: (tel): 800 263 1455 (Toll Free)
NEW ZEALAND
Moffat Limited
Web: www.moffat.co.nz
E.Mail: [email protected].nz
Main Office: (tel): 0800 663328
UNITED KINGDOM
Blue Seal
Web: www.blue-seal.co.uk
E.Mail: [e-mail]
Sales: (tel): [phone]
(fax): [phone]
Spares: (tel): [phone]
(fax): [phone]
Service: (tel): [phone]
(fax): [phone]
UNITED STATES
Moffat
Web: www.moffat.com
Sales: (tel): 800 551 8795 (Toll Free)
(tel): [phone]
(fax): [phone]
Service: (tel): 800 858 4477 (Toll Free)
(tel): [phone]
(fax): [phone]
REST OF WORLD
Moffat Limited
Web: www.moffat.co.nz
E.Mail: [email protected]

Contents
CB6 Gas Barbeque
Part 1 Introduction ..................................................................................... 2
Part 2 Specifications ................................................................................. 3
Part 3 Installation........................................................................................ 5
Part 4 Operation......................................................................................... 7
Part 5 Cleaning and Maintenance........................................................... 8
Part 6 Gas Conversion............................................................................. 10
Part 7 Replacement Parts List.................................................................. 14

We are confident that you will be delighted with your Cobra Series Barbeque, and it will become a most
valued appliance in your commercial kitchen.
To ensure you receive the utmost benefit from your new Cobra Appliance, there are two important things
you can do.
Firstly:
Please read this instruction book carefully and follow the directions given. The time taken will be well
spent.
Secondly:
If you are unsure of any aspect of the installation, instructions or performance of your appliance,
contact your Cobra Series appliance dealer promptly. In many cases a phone call could answer your
question.
CE Only:
These instructions are only valid if the country code appears on the appliance. If the code does not
appear on the appliance, refer to the supplier of this appliance to obtain the technical instructions for
adapting the appliance to the conditions for use in that country.
WARNING:
IMPROPER INSTALLATION, ADJUSTMENT, ALTERATION, SERVICE OR MAINTENANCE CAN CAUSE PROPERTY DAMAGE, INJURY OR DEATH.
READ THE INSTALLATION, OPERATING AND MAINTENANCE INSTRUCTIONS THOROUGHLY BEFORE INSTALLING OR SERVICING THIS
APPLIANCE.
WARNING:
INSTRUCTIONS TO BE FOLLOWED IN THE EVENT THE USER SMELLS GAS ARE TO BE POSTED IN APROMINENT LOCATION. THIS INFORMATION
SHALL BE OBTAINED BY CONSULTING THE LOCAL GAS SUPPLIER.
WARNING:
GREAT CARE MUST BE TAKEN BY THE OPERATOR TO USE THE EQUIPMENT SAFELY TO GUARD IT AGAINST RISK OF FIRE.
 THE APPLIANCE MUST NOT BE LEFT ON UNATTENDED.
 ITIS RECOMMENDED THAT AREGULAR INSPECTION IS MADE BY ACOMPETENT SERVICEMAN TO ENSURE CORRECT AND SAFE
OPERATION OF YOUR APPLIANCE IS MAINTAINED.
 DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPOURS OR LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER
APPLIANCE.
 DO NOT SPRAY AEROSOLS IN THE VICINITY OF THIS APPLIANCE WHILE IT IS IN OPERATION.
C AUTION :
This appliance is;
 For professional use and is to be used by qualified persons only.
 Only qualified service persons are to carry out installation, servicing and gas
conversion operations.
 Components having adjustments protected (e.g. paint sealed) by the manufacturer
should not be adjusted by the user / operator.
 DO NOT operate the appliance without the legs supplied fitted.
2
Part 1 Introduction

3
Part 2 Specifications
- All Other Markets:
NOTE:
 (*) Measure burner operating pressure at mani-
fold test point with 2 burners operating at 'High
Flame' setting.
 NAT, LPG & Butane Only - The operating pressure
is ex-factory set and is not to be adjusted, apart
from when converting between gasses, if
required.
 TOWN GAS Only - Burner operating pressure is to
be adjusted using the adjustable gas regulator
supplied.
 Refer to ‘Gas Conversion and Specifications
section of this manual for further details.
Gas Connection
Gas supply connection point is located at the rear
of the appliance, approximately 215mm from the
left hand side and 535mm from the floor and is
entered from beneath the appliance.
Connection is ½ BSP male.
Model Covered in this Specification -
CB6 GAS BARBEQUE.
General
A commercial heavy duty, fully modular, gas fired
barbeque created for modular kitchens supplied in
a 600mm wide option. The barbeque is fitted with
branding grates and aluminised steel burners, with
individual ‘Hi'-'Lo' gas control to each burner. The
burners are fitted with piezo ignited permanent pilot
and flame failure protection for each burner.
Gas Supply Requirements
- Australia:
- New Zealand:
- United Kingdom:
Category: II2H3P (20, 30 / 37).
Flue Type: A1.
NOTE:
(*) Measure burner operating pressure at manifold
test point with 2 burners operating at 'High Flame'
setting. Operating pressure is ex-factory set and is
not to be adjusted, apart from when converting
between gases, if required. Refer to ‘Gas
Conversion’ Section in this manual for further details.
Natural Gas LP Gas
(Propane)
Input Rating 66.0 MJ/hr 66.0 MJ/hr
Supply Pressure 1.13 - 3.40 kPa 2.75 - 4.50 kPa
Burner Operating
Pressure 0.95 kPa (*) 2.60 kPa (*)
Gas Connection ½"BSP Male
Nat Gas
(G20)
Propane
(G31)
Heat Input (nett) Nominal 18.0 kW 18.0 kW
Reduced 6.0 kW 6.4 kW
Gas Rate (nett) Nominal 1.90 m3/hr 1.40 kg/hr
Reduced 0.63 m3/hr 0.50 kg/hr
Supply Pressure 20 mbar 30 / 37 mbar
Burner Operating Pressure (*) 10 mbar (*) 26 mbar (*)
Gas Connection ½"BSP Male
Natural Gas LP Gas
Input Rating 66.0 MJ/hr 66.0 MJ/hr
Supply Pressure 1.13 - 3.40 kPa 2.75 - 4.50 kPa
Burner Operating
Pressure (*) 0.95 kPa (*) 2.60 kPa (*)
Gas Connection ½"BSP Male
LP Gas / Butane
Input Rating 66.0 MJ/hr
Supply Pressure 2.75 - 4.50 kPa
Burner Operating
Pressure (*) 2.60 kPa (*)
Gas Connection ½"BSP Male
Natural Gas Town Gas (**)
Input Rating 66.0 MJ/hr 66.0 MJ/hr
Supply Pressure 1.13 - 3.40 kPa 0.75 - 1.50 kPa
Burner Operating
Pressure (*) 0.95 kPa (*) 0.63 kPa (*)
Gas Connection ½"BSP Male

4
Part 2 Specifications
Dimensions
CB6 GAS BARBEQUE (600mm)

5
Part 3 Installation
Location
1. Installation must allow for a sufficient flow of
fresh air for the combustion air supply.
2. This appliance must be installed in a suitably
ventilated room to prevent dangerous build up
of combustion products.
Combustion Air Requirements
Natural Gas 18 m³/hr minimum.
LPG / Propane 18 m³/hr minimum.
3. Position the appliance in its approximate
working position.
4. All air for burner combustion is supplied from
underneath the appliance. The legs must
always be fitted and no obstructions placed on
the underside or around the base of the
appliance, as obstructions will cause incorrect
operation and/or failure of the appliance.
5. Components having adjustments protected
(e.g. paint sealed) by manufacturer are only to
be adjusted by an qualified service agent. They
are not to be adjusted by the installation person.
NOTE:
Do not obstruct or block the appliances flue. Never
directly connect a ventilation system to the
appliance flue outlet.
Clearances
NOTE:
Only non-combustible materials can be used in
close proximity to this appliance.
Any gas burning appliance requires adequate
clearance and ventilation for optimum and trouble-
free operation. The following minimum installation
clearances are to be adhered to:
Assembly
This model is delivered completely assembled.
Ensure that the rear castors and front feet are
securely attached.
NOTE:
This appliance is fitted with adjustable front feet to
enable the appliance to be positioned securely and
level. This should be carried out on completion of
the gas connection. Refer to the 'Gas Connection'
section.
Installation Requirements
NOTE:
It is most important that this appliance is installed
correctly and that operation is correct before use.
Installation shall comply with local, gas, health and
safety requirements.
This appliance shall be installed with sufficient
ventilation to prevent the occurrence of
unacceptable concentrations of health harmful
substances in the room, the appliance is installed in.
Cobra Series Barbeques are designed to provide
years of satisfactory service and correct installation
is essential to achieve the best performance,
efficiency and trouble-free operation.
This appliance must be installed in accordance with
National installation codes and in addition, in
accordance with relevant National / Local codes
covering gas and fire safety.
Australia:
AS 5601 - Gas Installations.
New Zealand:
NZS 5261 - Gas Installation.
United Kingdom:
Gas Safety (Installation and Use) Regulations
1998.
BS6173 - Installation of catering Appliances.
BS5440 - 1 & 2 Installation Flueing & Ventilation.
Ireland:
IS 820 - Non Domestic Gas Installations.
Installations must be carried out by qualified service
persons only. Failure to install equipment to the rel-
evant codes and manufacturer’s specifications
shown in this section will void the warranty.
Components having adjustments protected (e.g.
paint sealed) by manufacturer, are only allowed to
be adjusted by an qualified service agent. They are
not to be adjusted by the installation person.
Unpacking
 Remove all packaging and transit protection
from the appliance including all protective
plastic coating from the door outer panel and
exterior stainless steel panels.
 Check equipment and parts for damage.
Report any damage immediately to the carrier
and distributor.
 Report any deficiencies to the distributor who
supplied the appliance.
 Check that the available gas supply is correct to
that shown on the rating plate attached to the
inner R/H side, below the grease tray.
Combustible
Surface
Non Combustible
Surface
LH / RH
Side 200 mm 0 mm
Rear 100 mm 0 mm

6
Part 3 Installation
NOTE:
A Manual Isolation Valve must be fitted to the
individual appliance supply line.
5. Correctly locate the appliance into its final
operating position and using a spirit level, adjust
the legs so that the unit is level and at the
correct height.
6. Connect the gas supply to the appliance.
7. Verify the operating pressure is as shown in the
'Specifications Section'.
8. Check all gas connections for leakages using
soapy water or other gas detecting equipment.
NOTE:
The operating pressure to be measured at the
manifold test point and with two burners operating
at the ‘High Flame’ setting.
9. Turn ‘OFF’ the mains gas supply and bleed the
gas out of the appliance gas lines.
10. Turn ‘ON’ the gas supply and the appliance.
11. Verify the operating pressure remains correct.
Commissioning
The following commissioning checks must be
carried out before the barbeque is handed over for
use, to ensure that the unit operates correctly and
the operator(s) understand the correct operating
procedure.
1. Before leaving the new installation;
a. Check the following functions in accordance
with the operating instructions specified in
the “Operation” section of this manual.
 Light the Pilot Burners.
 Light the Main Burners.
 Check the Low Fire Burner Operation.
 Check the High Fire Burner Operation.
b. Ensure that the operator has been instructed
in the areas of correct lighting, operation,
and shutdown procedure for the appliance.
2. This manual must be kept by the owner for future
reference and a record of Date of Purchase,
Date of Installation and Serial Number of Unit
recorded and kept with this manual. (These
details can be found on the rating plate
attached to the inner R/H side, below the grease
tray. (Refer to the “Gas Connection” section).
NOTE:
If for some reason it is not possible to get the
appliance to operate correctly, contact the suppler
of this appliance.
Gas Connection
NOTE:
ALL GAS FITTING MUST ONLY BE CARRIED OUT BY A
QUALIFIED SERVICE PERSON.
1. Cobra Model Barbeques do not require an
electrical connection, they function totally on
the gas supply only.
2. It is essential that the gas supply is correct for the
appliance being installed and that adequate
supply pressure and volume are available. The
following checks should be made before
installation is commenced:-
a. The Gas Type the appliance has been
supplied for is shown on coloured stickers
located above the gas entry point and next
to the rating plate. Check that this is correct
for the gas supply the appliance is being
installed for. The gas conversion procedure is
detailed in the ‘Gas Conversion Instruction
Sheet' for this appliance.
b. Supply Pressure required for this appliance is
shown in the “Specifications” section of this
manual. Check the gas supply to ensure that
adequate supply pressure exists.
c. Input Rate of this appliance is also stated on
the rating plate attached to the inner R/H
side, below the grease tray, and in the
“Specifications” section of this manual. The
input rate should be checked against the
available gas supply line capacity. Particular
note should be taken if the appliance is
being added to an existing installation.
NOTE:
It is important that adequately sized piping runs
directly to the connection joint on the appliance,
with as few tees and elbows as possible to give
maximum supply volume.
3. Fit the gas regulator supplied, into the gas supply
line as close to the appliance as possible.
The regulator connections are ½" BSP female.
The connection is ½" BSP male.
(Refer to the ‘Specifications’ section for the
gas supply location dimensions).
NOTE:
The gas pressure regulator provided with this
appliance is convertible between Natural Gas and
LPG as per the ‘Gas Conversion Section’ in this
manual.
Ensure the regulator is converted to the correct gas
type that the appliance will operate on.
The regulator outlet pressure is fixed ex-factory for
the gas type that the regulator is converted to and it
is NOT to be adjusted.
4. A suitable joining compound which resists the
breakdown action of LPG must be used on
every gas line connection, unless compression
fittings are used.
WARNING:
DONOT USE ANAKED FLAME TO CHECK FOR GAS LEAKAGES.

7
Part 4 Operation
Lighting the Pilot Burner
NOTE:
All Barbeque models incorporate the push button
piezo ignition system for each individual pilot burn-
er.
1. Depress the gas control knob and rotate anti-
clockwise to the ‘PILOT’ position.
2. With the gas control knob held in the depressed
position, depress the piezo igniter button located
on the front control panel to the right of the gas
control knob, until the pilot burner ignites. .
(Each depression operation of the piezo igniter
button will generate a single spark). Pilot ignition
can be viewed through openings in the plastic
surround fitted to the piezo igniter button.
3. Hold in the gas control knob for approximately
10-15 seconds, then release. The pilot burner
should remain alight. (If not repeat Items 2 and
3 above).
Lighting the Main Burner
1. Turn the gas controls anti-clockwise to first stop
(‘FULL’ flame position) and allow the griddle
plates to heat up to the operating temperature.
2. ‘LOW’ flame can be achieved by depressing
the gas control knob and rotating fully anti-
clockwise.
3. For intermediate heat, position the gas control
knob between the ‘HIGH’ and ‘LOW’ positions to
achieve the desired heat.
4. During idle periods, the main burners can be
turned down to maintain an appropriate plate
temperature or the gas controls can be set to
the ‘PILOT’ position as required.
NOTE:
 Always set the gas control knob to the ‘HIGH’
position when lighting the main burners.
 If the pilot burner goes out during normal
operation, wait 5 minutes before attempting to
re-light the pilot burner.
Operation Guide
1. The Cobra Barbeques have been designed to
provide simplicity of operation and 100% safety
protection.
2. Improper operation is therefore almost
impossible, however bad operation practices
can reduce the life of the barbeque and
produce a poor quality product. To use this
barbeque correctly please carefully read the
following sections.
 Lighting the Pilot Burner.
 Lighting the Main Burner.
Description of Controls
C AUTION :
 This appliance is for professional use and
is only to be used by qualified people.
 Only qualified service persons should be
used to carry out installation, servicing or
gas conversion operations.
 Components having adjustments
protected (e.g. paint sealed) by the
manufacturer should not be adjusted by
the user/operator.
Piezo Igniter Gas Control Knob
๐OFF Position.
Pilot Burner.
HIGH Flame.
LOW Flame.
Should any abnormal operation like;
- ignition problems,
- abnormal burner flame,
- burner control problems,
- partial or full loss of burner flame in normal
operation,
be noticed, the appliance requires IMMEDIATE
service by a qualified service person and shall not
be used until such service is carried out.
IMPORTANT

8
Part 5 Cleaning and Maintenance
CORRECT LEVEL FOR FRYING MEDIUM WHEN AT
FRYING TEMPERATURE, KEEP TOPPED UP
INDICATES CORRECT FRYING MEDIUM LEVEL
WHEN COLD
Weekly Cleaning
NOTE:
 If the Barbeque usage is very high, we
recommend that the weekly cleaning procedure
is carried out on a more frequent basis.
 Ensure that protective gloves are worn during the
cleaning process.
 DO NOT use harsh abrasive detergents, strong
solvents or caustic detergents as they will
damage the range and burners.
 DO NOT use water on the Barbeque while the
grates are still hot as warping may occur. Allow
these items castings to cool and remove for
cleaning.
Grates (Cast Iron)
a. Clean the grates thoroughly with a wire brush
or a flexible spatula.
b. A scraper tool can be used for the removal
of stubborn carbon and deposits.
c. Clean with hot water, a recommended
detergent solution and a scrubbing brush.
Dry all components thoroughly with a dry
cloth.
d. The barbeque should be switched on briefly
to ensure the grates becomes dry. A thin film
of cooking oil should be spread over the
grates in order to form a protective film.
Radiants (Cast Iron)
a. Clean the radiants thoroughly with a wire
brush or a flexible spatula.
b. A scraper tool can be used for the removal
of stubborn carbon and deposits.
c. Clean with hot water, a mild detergent
solution and a scrubbing brush. Dry all
radiants thoroughly with a dry cloth.
Main Burners
a. The main burners can be cleaned with hot
water, a recommended detergent solution
and a scrubbing brush. Ensure that any
excess water is removed from inside the
burners. Dry all burners thoroughly with a dry
cloth.
b. Ensure that the burners are fitted correctly
over the main injectors and are located
properly into the recesses in the barbeque.
Stainless Steel Surfaces
a. Clean the exterior surfaces of the barbeque
with hot water, a mild detergent solution and
a soft scrubbing brush. Note that the gas
control knobs are a push fit onto the gas
control valve spindles and can be removed
to allow cleaning of the front control panel.
b. Baked on deposits or discolouration may
require a good quality stainless steel cleaner
or stainless steel wool. Always apply cleaner
when the appliance is cold and rub in the
direction of the grain.
General
Clean the Barbeque regularly. A clean barbeque
looks better, will last longer and will perform better.
Carbonised grease on the surface or on the
barbeque will hinder the transfer of heat from the
cooking surface to the food. This will result in loss of
cooking efficiency.
NOTE:
 DO NOT use water on the Barbeque while this
item is still hot as warping and cracking may
occur. Allow the barbeque to cool down before
cleaning.
NOTE:
 DO NOT use abrasive detergents, strong solvents
or caustic detergents as they could corrode or
damage the barbeque.
 In order to prevent the forming of rust on the
barbeque, ensure that any detergent or cleaning
material has been completely removed after
each cleaning. The appliance should be
switched on briefly to ensure the barbeque
becomes dry. Oil or grease should be spread
over the barbeque cooking surface in order to
form a thin protective greasy film.
To keep your barbeque clean and operating at
peak efficiency, follow the procedures shown
below:-
After Each Use
Clean the barbeque regularly to remove any food
debris.
Daily Cleaning
1. The spill tray should be checked and emptied
frequently to prevent overflow and spillage.
Remove the spill tray while still warm so that the
grease is in a liquid state. Empty any grease
from the tray and wash thoroughly in the same
manner as any cooking utensil.
2. Remove the grates and radiants and thoroughly
clean with the splash back, interior and exterior
surfaces of the barbeque with hot water, a
detergent solution and a soft scrubbing brush.
3. Brush the barbeque surface with a soft bristled
brush. Any carbon deposits should be removed
using a scraper tool followed by wiping with a
cloth to prevent accumulation of food deposits.
4. Dry the barbeque thoroughly with a dry cloth
and polish with a soft dry cloth.
C AUTION :
Always turn off the gas and electrical
supply at the mains supply before cleaning.
This appliance is not water proof.
Do not use water jet spray to clean interior
or exterior of this appliance.

9
Part 5 Cleaning and Maintenance
Periodic Maintenance
NOTE:
All maintenance operations should only be carried
out by a qualified service person.
To achieve the best results cleaning must be regular
and thorough and all controls and mechanical
parts should be checked and adjusted periodically
by a qualified service person. If any small faults
occur, have them attended to promptly. Don't wait
until they cause a complete breakdown. It is
recommended that the appliance is serviced every
6 months.
Gas Control Valve Re-Greasing
The gas control valve should be dismantled and
greased every 6 months to ensure the correct
operation of the gas control valve.
To carry out this operation;-
a. Remove the gas control knobs from the gas tap
spindles by pulling the knobs away from the
control panel.
b. Remove the drip tray from the appliance.
c. Remove the two screws on the underside of the
control panel, securing the control panel to the
hob.
d. Remove the control panel from the front of the
appliance.
e. Remove the 2 screws holding shaft plate to gas
control body and remove control shaft and
plate. Note orientation of shaft for correct
re-assembly.
f. Using needle nose pliers or similar, pull out gas
control spindle, again noting its orientation.
g. Apply a suitable high temperature gas cock
grease or lubricant such as ROCOL - A.S.P (Anti
scuffing paste) / Dry Moly Paste to the outside of
spindle.
h. Replace spindle and re-assemble the gas
control in reverse order.
i. Refit the control panel to the appliance and
secure with 2 screws.
j. Refit the knobs to the gas control valve spindles.
c. To remove any discolouration, use an
approved stainless steel cleaner or stainless
steel wool. Always rub in the direction of the
grain.
d. Remove the grease tray and clean with a
mild anti bacterial detergent and hot water
solution using a soft bristled brush.
e. Dry the grease tray thoroughly with a dry
cloth.
f. Dry all components thoroughly with a dry
cloth and polish with a soft dry cloth.
Two Screws
Spindle

10
Part 6 Gas Conversion
Gas Conversion Procedure
NOTE:
 These conversions should only be carried out
by qualified persons. All connections must be
checked for leaks before re-commissioning the
appliance.
 Adjustment of components that have
adjustments / settings sealed (e.g. paint
sealed) can only be adjusted in accordance
with the following instructions and shall be re-
sealed before re-commissioning this
appliance.
 For all relevant gas specifications refer to the
Gas Specifications table at the end of this
section.
Main Burners
1. Remove the following:-
 Gas control knobs.
 Control Panel.
 Chargrill castings / griddle plates and inner
radiants.
 Main burners.
2. Remove main burner injectors and replace with
correct size injectors as shown in ‘Gas
Specifications Tables’ at rear of this section.
3. Check / adjust main burner aeration shutter as
shown in ‘Gas Specifications Tables’ at rear of
this section.
4. Refit the following:-
 Main burners.
 Inner radiants, chargrill castings / griddle
plates.
Pilot Burners
1. Disconnect the following:-
 Gas supply tube to pilot burner.
2. Remove pilot injectors and replace with correct
size pilot injectors as shown in ‘Gas
Specifications Tables’ at rear of this section.
3. Re-connect the following:-
 Gas supply tube to pilot burner.
 Inner radiants, chargrill castings / griddle
plates.
Low Fire Adjustment (All Models)
1. Light main burners and check flame size on
‘Low’ setting.
 Adjust low fire adjustment screw on burner
gas control valves by screwing adjustment
screw fully ‘In’ and then unscrewing by the
measurement shown in ‘Gas Specifications’
table at the rear of this Section, to obtain the
desired flame size.
NOTE:
‘Low Fire Adjustment Screw’ should be sealed with
coloured paint on completion of low fire
adjustment.
2. Refit control panel.
3. Refit gas control knobs.
C AUTION :
Ensure that the Unit is isolated from the gas
supply before commencing servicing.
Main Burner
Shell
Brackets
Low Fire
Adjustment Screw
Gas Supply Tube

11
Part 6 Gas Conversion
Gas Regulator
- NAT Gas / LPG / Butane Only.
NOTE:
The regulator supplied is convertible between
Natural Gas and LP Gas, but it’s outlet pressure is
fixed ex-factory and is NOT to be adjusted.
1. Ensure that the gas supply is turned 'Off' at the
mains.
2. Unscrew the hexagonal cap (23 mm A/F) from
the regulator.
3. Un-clip the plastic pin from the cap, reverse the
pin and re-fit it back to the cap the correct way
for the gas type to be used. (Either ‘LP’ or ‘NAT’
should be visible on the flank of the pin once re-
fitted to the cap).
4. Screw the cap back into the regulator hand
tight only.
- Town Gas Only.
1. Unscrew and remove the slotted cap from the
regulator.
2. Turn on the gas supply and the appliance.
3. Adjust the pressure djusting nut to achieve the
correct burner operating pressure.
NOTE:
The operating pressure to be measured at the
manifold test point and with two burners operating
at the “High Flame” setting.
4. Verify the operating pressure remains correct
(Re-adjust the regulator if required).
5. Screw the cap nut back onto the regulator.
NOTE, Pin rotated
for Natural Gas
NOTE, Pin rotated
for LPG
Pressure Adjusting
Screw
Cap Nut
Gas Type Labels
On completion of the gas conversion, replace gas
type labels located at:-
- The rear of the unit, above gas connection.
- Beside the rating plate.
Commissioning
Before leaving the converted installation;
1. Check all gas connections for leakages using
soapy water or other gas detecting equipment.
2. Check the following functions in accordance
with the operating instructions specified in the
'Operation' section of the Installation and
Operation Manual.
 Light the Pilot Burners.
 Light the Main Burners.
 Check the Low Fire burner operation.
 Check the High Fire burner operation.
 Ensure that all controls operate correctly.
 Ensure that the operating pressure remains
correct.
3. Ensure any adjustments done to components
that have the adjustments / settings sealed (e.g.
paint sealed) are re-sealed.
NOTE:
If it is not possible to get the appliance to operate
correctly, shut off the gas supply and contact the
supplier of this unit.
WARNING:
DONOT USE ANAKED FLAME TO CHECK FOR GAS
LEAKAGES.

12
Part 6 Gas Conversion
Gas Specifications
- Australia:
- New Zealand:
- United Kingdom:
Category: II2H3P (20, 30 / 37).
Flue Type: A1.
NOTE:
(*) Measure burner operating pressure at manifold test point with two burners operating at full setting.
Operating pressure is ex-factory set and not to be adjusted, apart from when converting between gases,
if required. (Refer to details in this section for further information.
Natural Gas LP Gas (Propane)
Main Burner Injectors 2.70mm 1.65mm
Pilot Burner Injectors 0.45 0.30
Low Fire Adjustment 11/4turns out (ccw) ½ turn out (ccw)
Burner Operating Pressure (*) 0.95 kPa (*) 2.6 kPa (*)
Main Burner Aeration Shutter Fully Open Fully Open
Gas Regulator Cap Screw
Supply Pressure 1.13 - 3.40 kPa 2.75 - 4.50 kPa
Natural Gas (G20) Propane (G31)
Main Burner Injectors 2.70 mm 1.65 mm
Pilot Burner Injectors 0.45 0.30
Low Fire Adjustment 11/4turns out (ccw) ½ turn out (ccw)
Burner Operating Pressure (*) 10 mbar (*) 26 mbar (*)
Main Burner Aeration Shutter Fully Open Fully Open
Gas Regulator Cap Screw
Supply Pressure 20 mbar 30 / 37 mbar
Natural Gas LP Gas
Main Burner Injectors 2.70mm 1.65mm
Pilot Burner Injectors 0.45 0.30
Low Fire Adjustment 11/4turns out (ccw) ½ turn out (ccw)
Burner Operating Pressure (*) 0.95 kPa (*) 2.6 kPa (*)
Main Burner Aeration Shutter Fully Open Fully Open
Gas Regulator Cap Screw
Supply Pressure 1.13 - 3.40 kPa 2.75 - 4.50 kPa

13
Part 6 Gas Conversion
- All Other Markets:
NOTE:
 (*) Measure burner operating pressure at manifold test point with both burners operating at 'High Flame'
setting.
 NAT, LPG & Butane Only - The operating pressure is ex-factory set and is not to be adjusted, apart from
when converting between gasses, if required.
 (**) TOWN GAS Only - Burner operating pressure is to be adjusted using the adjustable gas regulator
supplied.
 Refer to the ‘Gas Conversion and Specifications section of this manual for further details.
Natural Gas Town Gas (**)
Main Burner Injectors 2.70mm 4.50mm
Pilot Burner Injectors 0.45 0.75
Low Fire Adjustment 11/4turns out (ccw) 2 turns out (ccw)
Burner Operating Pressure (*) 0.95 kPa (*) 0.63 kPa (*)
Main Burner Aeration Shutter Fully Open Fully Open
Gas Regulator Cap Screw
Adjustable Regulator
(Adjust to the Burner
Operating Pressure
specified)
LP Gas (Propane) Butane
Main Burner Injectors 1.65mm 1.55mm
Pilot Burner Injectors 0.30 0.30
Low Fire Adjustment ½ turn out (ccw) ½ turn out (ccw)
Burner Operating Pressure (*) 2.6 kPa (*) 2.6 kPa (*)
Main Burner Aeration Shutter Fully Open Fully Open
Gas Regulator Cap Screw

14
Part 7 Replacement Parts List
Replacement Parts List
When ordering spare parts, please quote the part number and the description as listed below. If the part
required is not listed below, request the part by description and quote model number and serial number
which is shown on the rating plate.
Controls
230441 Main Burner.
227404 Gas Control Valve.
019218 Thermocouple M9 x 1; 450mm.
037270 Burner Injector (Natural) Ø 2.70mm.
037165 Burner Injector (LPG) Ø 1.65mm.
037155 Burner Injector (Butane) Ø 1.55mm.
037450 Burner Injector (Town Gas) Ø 4.50mm.
230586 Piezo Ignitor.
230608 Control Knob.
019464K Pilot Burner Kit.
018972 Pilot Orifice (Natural) 0.45.
018971 Pilot Orifice (LPG / Butane) 0.30.
026393 Pilot Orifice (Town Gas) 0.75.
019624 Ignition HT Electrode.
229731 Ignition HT Lead 250mm.
General
229870 Burner Radiant Casting.
229869 Top Grate Casting.
230579 Collection Tray.
229951 Drip Tray.
234059 Leg.Assembly (⅝” Thread).
229674 Rear Roller Assy.
Regulators
Gas Conversion Kits
IMPORTANT:
Only genuine qualified replacement parts should be used for the servicing and
repair of this appliance. The instructions supplied with the parts should be followed
when replacing components.
For further information and servicing instructions, contact your nearest qualified
service branch (contact details are as shown on the reverse of the front cover of this
manual).
Gas Type Gas Regulators
Part No. Description
Nat. Gas
LPG
Butane
228533 ½” BSP F/F Convertible.
Town Gas 230185 ¾” BSP F/F Adjustable.
Model Gas Type to Convert to
LP Gas (Propane) Nat. Gas Butane Town Gas
CB6 231562 231561 231563 231564