Cobra CR6 Series, CR6D, CR9 Series, CR6C, CR6B Installation And Operation Manual

242357-3

Static Oven R a n g e

Models:

CR 6 ( 600 mm)
CR 9 ( 900 mm)

I N S T A L L A T I O N A N D O P E R A T I O N M A N U A L

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. September 2019.

Moffat Limited

Rolleston 7675
New Zealand

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: [e-mail]
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): 1-800 551 8795 (Toll Free)

(tel): 336 661 1556
(fax): 336 661 9546

Service: (tel): 866 673 7937 (Toll Free)

REST OF WORLD

Moffat Limited
Web: www.moffat.co.nz
E.Mail: [e-mail]

Model Numbers Covered in this Specification

General

Gas Supply Requirements

Gas Connection

Dimensions

Installation Requirements

Unpacking

Assembly

Location

Clearances

Gas Connection

Commissioning

Operation Guide

Description of Controls

Open Burners

Griddle

Oven

General

After Each Use

Daily Cleaning

Weekly Cleaning

Periodic Maintenance

Open Burners

Griddle Burners

Oven

Gas Conversion Procedure

Gas Specifications

We are confident that you will be delighted with your Cobra Series Ranges, and it will become a most
valued appliance in your commercial kitchen.

To ensure you receive the utmost benefit from your new Cobra Series Appliance, there are two important
things you can do.

Please read this instruction book carefully and follow the directions given. The time taken will be well
spent.

If you are unsure of any aspect of the installation, instructions or performance of your appliance,
contact your Cobra Series Range dealer promptly. In many cases a phone call could answer your
question.

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.

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.

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.
 IT IS RECOMMENDED THAT A REGULAR INSPECTION IS MADE BY A COMPETENT 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.

2

3

The CR6 Oven is a 490mm (internal) full width oven

fitted with French style opening doors. The oven
burner is a 24-26 MJ oven burner and has pilot and
flame failure with piezo ignition.

The CR9 Oven is a 780mm (internal) full width oven
fitted with French style opening doors. The oven
burner is a 28-30 MJ oven burner and has pilot and
flame failure with piezo ignition.

The Range has an easy clean stainless steel external
finish.

Model Covered in this Specification -

CR6D[1] Range 4 Open Burners.
CR6C[1] Range 2 Burners + 300mm Griddle.
CR6B Range 600mm Griddle.

CR9D[1] Range 6 Open Burners.
CR9C[1] Range 4 Burners + 300mm Griddle.
CR9B[1] Range 2 Burners + 600mm Griddle.
CR9A Range 900mm Griddle.

[1] - Open Burner Options;

- Standard Option.
F - Flame Failure Protection.

A heavy duty, general purpose Gas Range created
for compact modular kitchens and available in a
600mm and 900mm wide option. It has a high
option Cooktop / Griddle arrangement and is
available on adjustable front feet and robust rear
rollers. Open Burners have either Standard or with
Flame Failure Protection as an option.

Griddles are available in 300mm, 600mm and for
the CR9 Gas Static Oven Range, 900mm options
and are fitted with pilot, flame failure and piezo
ignition as standard.

- United Kingdom:

NOTE:

 (*) Measure burner operating pressure at manifold test point with two burners operating at 'High

Flame' setting. Operating pressure is ex-factory set and is not to be adjusted, apart from when

converting between gasses, if required. Refer to ‘Gas Conversion and Specifications’ section in this

manual for further details.

Open Burner

(each)

Griddle

(each 300mm

section)

Oven Open

Burner

(each)

Griddle

(each 300mm

section)

Oven

CR6 CR9 CR6 CR9

Heat Input (net)

Nominal 5.0 kW 5.0 kW 6.5 kW 7.5 kW 4.6 kW 5.0 kW 6.0 kW 7.5 kW
Reduced

1.7 kW 1.5 kW 1.1 kW 2.2 kW 1.5 kW 2.2 kW 1.05 kW 2.3 kW

Gas Rate (net)

Nominal

0.53 m3/hr 0.53 m3/hr 0.51 m3/hr 0.79 m3/hr 0.36 kg/hr 0.39 kg/hr 0.47 kg/hr 0.58 kg/hr

Reduced

0.18 m3/hr 0.16 m3/hr 0.14 m3/hr 0.23 m3/hr 0.12 kg/hr 0.17 kg/hr 0.09 kg/hr 0.18 kg/hr

Supply Pressure

20 mbar 37 mbar

Burner Operating Pressure (*)

28 mbar 10 mbar

Gas Connection ¾” BSP Male ¾” BSP Male

4

Gas supply connection point is located at the rear of the appliance, approximately 130mm from the right
hand side, 19mm from the rear and 656mm from the floor and is reached from beneath the appliance.
(Refer to the ‘Dimensions’ below).

For all Appliance Options, gas connection is 3/4” BSP male.

CR6 Model

CR6 Model - Cooktop Options

5

Gas supply connection point is located at the rear of the appliance, approximately 130mm from the right
hand side, 19mm from the rear and 656mm from the floor and is reached from beneath the appliance.
(Refer to the ‘Dimensions’ below).

For all Appliance Options, gas connection is 3/4” BSP male.

CR9 Model

CR9 Model - Cooktop Options

6

NOTE:
It is most important that this appliance is installed
correctly and that operation is correct before use.
Installation shall comply with local, gas and 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 that the appliance is
installed in.

Cobra Series Ranges 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.

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 to be
adjusted by a qualified service agent. They are not
to be adjusted by the installation person.

 Remove all packaging and transit protection

from the appliance including all protective
plastic coating from the 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 located on the
front lower corner of the R/H side panel.

If the Legs and Rear Rollers are not fitted, carry out
the procedure below to fit Front Legs and Rear
Rollers.

NOTE:
This appliance is fitted with adjustable feet to
enable the appliance to be positioned securely and
level. This should be carried out on completion of
the gas connection.

1. Remove all loose components from the top of
the cooktop range and from inside the oven.

2. Remove screws securing
transit plates to the front
corners of the transit
pallet.

3. Tilt the oven onto it’s back
and unscrew the transit
bolts from the front leg
mounting plates.

4. Remove front legs from
carton and screw onto
the front leg mounting
plates.

NOTE:
The front legs are adjustable.
Once the rear rollers are
fitted and the appliance is in

it’s operating position, the

front legs can be adjusted to
level the appliance.

5. Remove rear rollers from
carton and attach to rear
leg ring plate. Secure
with 10mm bolts supplied.

6. Lift appliance back onto it’s legs / rollers.

7. Place the cooktop in its final operating position
and use the adjustable feet to level the
appliance.

8. Refit all items removed at Item 1 above.

Attach with Bolt supplied.

Transit Plate.

Transit Bolt.

Adjustable Foot

Adjustable

Front Leg

7

1. This appliance must be installed in a suitably
ventilated room to prevent dangerous build up
of combustion products.

2. Installation must allow for a sufficient flow of
fresh air for the combustion air supply.

3. Never directly connect a ventilation system to

the appliance flue outlet.

4. Position the appliance in its approximate

working position.

5. 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.

6. Components having adjustments protected

(e.g. paint sealed) by manufacturer are only to
be adjusted by a 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.

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:

* Side clearances can be 50mm when adjacent

surface is at least 100mm below cooking surface.

LH / RH

Side

250mm (*) 0mm

Rear 100mm 0mm

NOTE:
ALL GAS FITTING MUST ONLY BE CARRIED OUT BY A
QUALIFIED SERVICE PERSON.

1. Cobra Series Oven Ranges 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 to be installed and that adequate
supply pressure and volume are available. The
following checks should be made before
installation:-

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 shown on

the Rating Plate located on the front lower
corner of the R/H side panel, 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.

NOTE:
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.

Regulator outlet pressure is fixed ex-factory for the
gas type that the regulator is converted to and it is
NOT to be adjusted.

The regulator connections are 3/4” BSP female.
The connection to the appliance is 3/4” BSP male.

(Refer to the 'Specifications' Section for the gas
supply location dimensions).

CR6 Cooktop CR9 Cooktop

Natural Gas

30 m3/hr minimum 41 m3/hr minimum

LPG / Propane

31 m3/hr minimum 43 m3/hr minimum