Cobra C6, C9, C6D, C6C, C6B Installation And Operation Manual

230635-6

For use in GB & IE

Gas Cooktops

Models:

C6 (600mm)
C9 (900mm)

INSTALLATION AND OPERATION MANUAL

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. August 2011.

MANUFACTURED BY

Moffat Limited

Christchurch
New Zealand

INTERNATIONAL BRANCHES

AUSTRALIA

Moffat Pty Limited
E.Mail: [e-mail]
Main Office: (tel) [phone]

(fax) (03 9518 3833

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): 0121 327 5575

(fax): 0121 327 9711
Spares: (tel): 0121 322 6640
(fax): 0121 327 9201
Service: (tel): 0121 322 6644
(fax): 0121 327 6257

UNITED STATES

Moffat Inc
Web: www.moffat.com
Sales: (tel): 800 551 8795 (Toll Free)

(tel): 336 661 1556
(fax): 336 661 9546
Service: (tel): 800 858 4477 (Toll Free)
(tel): 366 661 1556
(fax): 336 661 1660

INTERNATIONAL

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

1

Contents

C6 Gas Cooktops 600 mm Wide.

C9 Gas Cooktops 900 mm Wide.

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

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

Part 3 Installation ........................................................................................ 5

Part 4 Operation ......................................................................................... 8

Part 5 Cleaning and Maintenance......................................................... 10

Part 6 Gas Conversion .............................................................................13

Part 7 Replacement Parts List .................................................................. 17

We are confident that you will be delighted with your Cobra Series Cooktop, 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.

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 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:

I

MPROPER 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 THAT THE USER SMELLS GAS ARE TO BE POSTED IN A PROMINENT LOCATION. THIS
INFORMATION CAN BE OBTAINED BY CONSULTING THE LOCAL GAS SUPPLIER.

WARNING:

G

REAT 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 THAT 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

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, through the appliance regulator
and is not to be adjusted, apart from when
carrying out gas conversion, if required. (Refer
to the ‘Gas Conversion Instruction Sheet’ for this
appliance for further details).

Gas Connection

Gas supply connection point is located at the rear
of the appliance, approximately 130 mm from the
right hand side and 630 mm from the floor. It is
reached from beneath the appliance. (Refer to the
‘Dimensions’ section).

Connection is ¾" BSP male thread (for all models).

Part 2 Specifications

Model Covered in this Specification -

C6D [1] Cooktop 4 Open Burners.
C6C [1] Cooktop 2 Burners + 300 mm Griddle.
C6B Cooktop 600 mm Griddle.

C9D [1] Cooktop 6 Open Burners.
C9C [1] Cooktop 4 Burners + 300 mm Griddle.
C9B [1] Cooktop 2 Burners + 600 mm Griddle.
C9A Cooktop 900 mm Griddle.

[1] - Open Burner Options:-

F - With Flame Failure Protection.

- Standard Burners.

General

A heavy duty, high efficiency Cooktop for modular
kitchens. It has a high option Cooktop / Griddle
arrangement and is available on adjustable front
feet and robust rear rollers. Five griddle options with
2 models of base unit are available. Fitted with
'Individual Flame Failure' Option (F) for each open
burner. (Standard for UK - Optional for Non UK)
Griddles are fitted with pilot, flame failure and piezo
ignition as standard. These cooktops have an easy
clean stainless steel external finish.

Gas Supply Requirements

- Non - UK Only:

- UK Only:

Natural Gas

(G20)

Propane

(G31)

Open Burner

(each)

Griddle

(each 300 mm

section)

Open Burner

(each)

Griddle

(each 300 mm

section)

Heat Input (net)

Nominal

5.0 kW 5.0 kW 4.6 kW 5.0 kW

Reduced

1.7 kW 1.5 kW 1.5 kW 2.2 kW

Gas Rate (net)

Nominal

0.53 m3/hr 0.53 m3/hr 0.36 kg/hr 0.39 kg/hr

Reduced

0.18 m3/hr 0.16 m3/hr 0.12 kg/hr 0.17 kg/hr

Supply Pressure

20 mbar 37 mbar

Burner Operating Pressure

10 mbar (*)

Gas Connection

¾” BSP Male

28 mbar (*)

Natural Gas LP Gas (Propane)

Open Burner

(each)

Griddle

(each 300 mm

section)

Open Burner

(each)

Griddle

(each 300 mm

section)

Input Rate (N.H.G.C.)

22 MJ/hr

(20,000 Btu/hr)

20 MJ/hr

(18,956 Btu/hr)

22 MJ/hr

(20,000 Btu/hr)

20 MJ/hr

(18,956 Btu/hr)

Supply Pressure

1.13 - 3.40 kPa

(4.5” -13.5” w.c.)

2.75 - 4.50 kPa

(11” -18.0”w.c.)

Burner Operating Pressure

1.0 kPa (*)
(4.0” w.c.)

2.6 kPa (*)

(10.0” w.c.)

Gas Connection

¾” BSP Male

4

Part 2 Specifications

Dimensions

C6 - Gas Cooktop - 600 mm Wide.

C6D Model C6C Model C6B Model

C9 - Gas Cooktop - 900 mm Wide.

C9D Model C9C Model

C9B Model C9A Model

5

Part 3 Installation

Installation Requirements

NOTE:
It is most important that this appliance is installed
correctly and that the 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 Cooktops 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

 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 upper right hand corner of the cooktop
cabinet.

Combustible

Surface

Non Combustible

Surface

LH / RH

Side

250 mm (*) 0 mm

Rear 100 mm 0 mm