Cobra CB6 Installation And Operation Manual

600mm Gas Barbeque

Model CB6

INSTALLATION AND OPERATION MANUAL

230582-3

For use in GB & IE

The reproduction or copying of any part of this manual by any means whatsoever is strictly forbidden unless qualified
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. November 2007.

MANUFACTURED BY

Moffat Limited
PO Box 10001
Christchurch
New Zealand
Ph: [phone]
Fax: [phone]

WORLD-WIDE BRANCHES

UNITED KINGDOM

Blue Seal
Unit 67, Gravelly Business Park
Gravelly Park
Birmingham
West Midlands
B24 8TQ
Ph: [phone]
Fax: [phone]

UNITED STATES

Moffat Inc
3765 Champion Blvd
Winston-Salem
North Carolina 27115
Ph: [phone]
Fax: [phone]

CANADA

Serve Canada
22 Ashwarren Road
Downview
Ontario M3J1Z5
Toll Free:800 263 1455
Ph: [phone]
Fax: [phone]
[e-mail]
www.servecanada.com
www.moffat.com

NEW ZEALAND

Christchurch

Auckland

Moffat Limited Moffat Limited
PO Box 10-001 4 Waipuna Road
16 Osborne Street Mt Wellington
Christchurch Auckland
Ph: [phone] Ph: [phone]
Fax: [phone] Fax: [phone]

AUSTRALIA

Victoria

New South Wales

Moffat Pty Limited Moffat Pty Limited
740 Springvale Road 3/142 James Ruse Drive, Rose Hill
Mulgrave, Melbourne PO Box 913, Smithfield
Victoria 3171 Sydney, N.S.W. 2142
Ph: [phone] Ph: [phone]
Fax: [phone] Fax: [phone]

Western Australia

Queensland

Moffat Pty Limited Moffat Pty Limited
67 Howe Street 30 Prosperity Place
Osbourne Park Geebung, Brisbane
WA 6017 Queensland 4034
Ph: [phone] Ph: [phone]
Fax: [phone] Fax [phone]

1

Contents

CB6 Gas Barbeque

Part 1 Introduction ..................................................................................... 2

Part 2 Specifications .................................................................................. 3

Part 3 Installation ........................................................................................ 4

Part 4 Operation ......................................................................................... 6

Part 5 Cleaning and Maintenance........................................................... 7

Part 6 Gas Conversion ...............................................................................9

Part 7 Replacement Parts List .................................................................. 13

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.
R

EAD 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 A PROMINENT 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.

x THE APPLIANCE MUST NOT BE LEFT ON UNATTENDED.
x IT IS RECOMMENDED THAT A REGULAR INSPECTION IS MADE BY A COMPETENT SERVICEMAN TO ENSURE CORRECT AND SAFE

OPERATION OF YOUR APPLIANCE IS MAINTAINED

.

x DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPOURS OR LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER

APPLIANCE

.

x

DO NOT SPRAY AEROSOLS IN THE VICINITY OF THIS APPLIANCE WHILE IT IS IN OPERATION.

C

AUTION

:

This appliance is;

x

For professional use and is to be used by qualified persons only.

x

Only qualified service persons are allowed to carry out installation, servicing and gas
conversion operations.

x

Components having adjustments protected (e.g. paint sealed) by the manufacturer
should not be adjusted by the user/operator.

x

DO NOT operate the appliance without the legs supplied fitted.

2

Part 1 Introduction

3

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.

Dimensions

CB6 GAS BARBEQUE (600mm)

Part 2 Specifications

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

- Non - UK Only:

- UK Only:

NOTE: (*)

The burner operating pressure is to be measured at
the manifold test point with all burners operating at
the 'High Flame' setting. The operating pressure is
ex-factory set and is not to be adjusted, apart from
when converting between gasses, if required. Refer
to the ‘Gas Conversion Instruction Sheet' for this
appliance for further details.

Natural Gas

LP Gas

(Propane)

Input Rating

66.0 MJ/hr 66.0 MJ/hr

(N.H.G.C.)

(62,500 Btu/hr)

(62,500 Btu/hr)

Supply Pressure

1.13 - 3.40 kPa 2.75 - 4.50 kPa

(4.5” - 13.5” w.c.) (11” - 18” w.c.)

0.95 kPa (*) 2.60 kPa (*)

(3.8” w.c.) (10.0” w.c.)

Gas Connection

½" BSP Male

Burner Operating
Pressure

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 37 mbar

Burner Operating Pressure

10 mbar (*) 26 mbar (*)

Gas Connection

½" BSP Male

4

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
allowed 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 trouble­free 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.

Part 3 Installation

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 Barbeque's 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 relevant 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

x Remove all packaging and transit protection

from the appliance including all protective
plastic coating from the door outer panel and
exterior stainless steel panels.

x Check equipment and parts for damage.

Report any damage immediately to the carrier
and distributor.

x Report any deficiencies to the distributor who

supplied the appliance.

x Check that the available gas supply is correct to

that shown on the rating plate attached to the
underside of the R/H side, front hob lower trim.

Combustible

Surface

Non Combustible

Surface

LH / RH

Side

200 mm 0 mm

Rear 100 mm 0 mm

5

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.

x Light the Pilot Burners.

x Light the Main Burners.

x Check the Low Fire Burner Operation.

x 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 underside of the R/H side, front
hob lower trim. (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.

Part 3 Installation

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 located on the underside of
the R/H side, front hob lower trim, 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 and is already converted ex-factory to the gas
type labelled beside the gas connection point. The
regulator outlet pressure is fixed ex-factory 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:

DO NOT USE A NAKED FLAME TO CHECK FOR GAS LEAKAGES.

6

Lighting the Pilot Burner

NOTE:
All Barbeque models incorporate the push button
piezo ignition system for each individual pilot
burner.

1. Depress the gas control knob and rotate anti­clockwise 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 anti­clockwise.

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:

x Always set the gas control knob to the ‘HIGH’

position when lighting the main burners.

x If the pilot burner goes out during normal

operation, wait 5 minutes before attempting to
re-light the pilot burner.

Part 4 Operation

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.

x Lighting the Pilot Burner.

x Lighting the Main Burner.

Description of Controls

C

AUTION

:

x

This appliance is for professional use and
is only to be used by qualified people.

x

Only qualified service persons should be
used to carry out installation,
servicing or gas conversion operations.

x

Components having adjustments
protected (e.g. paint sealed) by the
manufacturer should not be adjusted by
the user/operator.

Piezo Igniter

Gas Control Knob

ѿ OFF 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

7

CORRECT LEVEL FOR FRYING MEDIUM WHEN AT
FRYING TEMPERATURE, KEEP TOPPED UP

INDICATES CORRECT F RYING MEDIUM LEVEL
WHEN COLD

Weekly Cleaning

NOTE:

x If the Barbeque usage is very high, we

recommend that the weekly cleaning procedure
is carried out on a more frequent basis.

x Ensure that protective gloves are worn during the

cleaning process.

x DO NOT use harsh abrasive detergents, strong

solvents or caustic detergents as they will
damage the range and burners.

x

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.

Part 5 Cleaning and Maintenance

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:

x 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:

x DO NOT use abrasive detergents, strong solvents

or caustic detergents as they could corrode or
damage the barbeque.

x 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

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:

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.

8

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.

Part 5 Cleaning and Maintenance

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

9

Part 6 Gas Conversion

Gas Conversion Procedure

NOTE:

x These conversions should only be carried out

by qualified persons. All connections must be
checked for leaks before re-commissioning the
appliance.

x 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 re­sealed before re-commissioning this
appliance.

x For all relevant gas specifications refer to the

table at the end of this section.

Main Burners

1. Ensure that the gas supply has been turned 'Off'.

2. Remove the gas control knobs from the front
control panel. The control knobs are a push fit
onto the shaft of the gas control valves.

3. Remove the front control panel by slackening
the 2 screws on the front lower edges of the
control panel and remove the panel from the
front of the barbeque.

4. Remove the barbeque castings and inner
radiants to reveal the burners.

5. Carefully push the main burners forward and
carefully negotiate between the shield brackets
fitted over the end of the burners and remove
the burners from the barbeque to reveal the
main burner injectors.

6. Unscrew the main burner injectors from the
barbeque using a 13mm /

1

/2" A/F spanner.

7. Determine the correct injector sizes for the
corresponding gas, from the table shown in the
'Gas Specifications' section.

8. Replace with the correct size injectors.

9. Refit the main burner castings and inner radiants
to the barbeque.

Pilot Burners

1. To remove the pilot burner, disconnect the gas
supply tube from the base of the pilot burner.

2. Using a small screwdriver,withdraw the injector
from inside the pilot burner.

C

AUTION

:

Ensure that the Unit is isolated from the gas
supply before commencing servicing.

Main Burner

Shell

Brackets

Gas Supply Tube

Unscrew Gas
Supply Tube Here

Thermocouple/
Pilot Burner/
Igniter Retaining

Unscrew here with

13mm Spanner

Main Burner

Injector

10

Part 6 Gas Conversion

3. Determine the correct injector size for the
corresponding gas from the table shown in the
'Gas Specifications' section on page 3.

4. Fit the new pilot injector into the rear of the pilot
burner and push fully home.

5. Re-connect the gas supply tube to the base of
the pilot burner and tighten.

Low Fire Adjustment (All Models)

1. To set the burner low fire adjustment, the low fire
adjustment screw on the gas control valve
should be screwed fully in, then un-screwed by
the measurement shown in the 'Gas
Specifications' table.

NOTE:
The “Low Fire Adjustment Screw” should be sealed
with coloured paint on completion of the low fire
adjustment.

2. Refit the front control panel to the barbeque
and secure in position by tightening the 2 screws
on the front lower edges of the control panel.

3. Refit the gas control knobs to the gas control
valves. The gas control knobs are a push fit onto
the shaft of the gas control valves.

Piezo Igniter

Pilot Burner

Thermocouple

NOTE, Pin rotated
for Natural Gas

NOTE, Pin rotated

Gas Regulator

NOTE:
The regulator supplied is convertible between
Natural Gas and LPG, 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 (23mm A/F) from
the regulator.

3. Un-clip the plastic pin from the cap, rotate the
pin and re-fit it back into 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.

Low Fire

Adjustment Screw

11

Part 6 Gas Conversion

Gas Type Labels

On completion of the gas conversion, replace gas
type labels located at:-

- The rear of the unit, above the 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.

x Light the Pilot Burners.

x Light the Main Burners.

x Check the Low Fire burner operation.

x Check the High Fire burner operation.

x Ensure that all the controls operate

correctly.

x 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 for some reason it is not possible to get the unit to
operate correctly, shut off the gas supply and
contact the supplier of this unit.

WARNING:

DO NOT USE A NAKED FLAME TO CHECK FOR GAS

LEAKAGES

.

12

Part 6 Gas Conversion

Gas Specifications

- Non UK Only:

- UK Only:

NOTE:
* - The burner operating pressure is to be measured at the manifold test point with two burners

operating at
full setting. The operating pressure is ex-factory set and not to be adjusted, apart from when converting
between gases, if required. (Refer to the ‘Gas Conversion’ section for details.

Natural Gas LP Gas (Propane)

Main Burner Injectors

2.70 mm 1.65 mm

Pilot Burner Injectors

0.45 0.30

Low Fire Adjustment

11/4 turns out (ccw) ½ turn out (ccw)

Operating Pressure

0.95 kPa (*) 2.6 kPa (*)

Main Burner Aeration Shutter

Fully Open Fully Open

Gas Regulator Cap Screw

Natural Gas (G20) Propane (G31)

Main Burner Injectors

2.70 mm 1.65 mm

Pilot Burner Injectors

0.45 0.30

Low Fire Adjustment

11/4 turns out (ccw) ½ turn out (ccw)

Operating Pressure

10 mbar (*) 26 mbar (*)

Main Burner Aeration Shutter

Fully Open Fully Open

Gas Regulator Cap Screw

13

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.

230586 Piezo Ignitor.
230608 Control Knob.
019464 Pilot Burner.

018972 Pilot Orifice (Natural) 0.45.
018971 Pilot Orifice (LPG) 0.30.

019624 Ignition HT Electrode.
228047 Ignition HT Lead 250mm.

Regulator

228533 Regulator (Natural Gas/LP Gas [Propane] Convertible) ½” BSP F/F.

General

229870 Burner Radiant Casting.
229869 Top Grate Casting.
230579 Collection Tray.
229951 Drip Tray.
230578 Adjustable Leg.
229674 Rear Roller Assy.

Gas Conversion Kits

Part 7 Replacement Parts List

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).

Model

Gas Type to Convert to

LPG (Propane) Nat. Gas

CB6

231562 231561