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Roberts Gorden Combat CTU 22 to Combat 115 User Manual

Roberts Gorden Combat CTU 22 to Combat 115
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WARNING
FOR YOUR SAFETY
If you smell gas:
1. Open windows.
2. DO NOT try to light any appliance.
3. DO NOT use electrical switches.
4. DO NOT use any telephone in
your building.
5. Leave the building.
6. Immediately call your local gas
supplier after leaving the building.
Follow the gas suppliers
instructions.
7. If you cannot reach your gas
supplier, call the Fire Department.
Fire Hazard
Do not store or use petrol or other
flammable vapours and liquids in the
vicinity of this or any other appliance.
Some objects will catch fire or explode
when placed close to heater.
Failure to follow these instructions can
result in death, injury or property
damage.
WARNING
Installation must be done by a registered installer/
contractor qualified in the installation and service
of gas-fired heating equipment or your gas supplier.
Improper installation, adjustment, alteration, service
or maintenance can result in death, injury or property
damage. Read the installation, operation and service
manual thoroughly before installing or servicing
this equipment.
Installer
Please take the time to read and understand
these instructions prior to any installation.
Installer must give a copy of this manual to the owner.
Owner
Keep this manual in a safe place in order to provide
your serviceman with necessary information.
© Copyright 2007 Roberts-Gordon, LLC
Quality in Any Language™
Roberts-Gordon Europe Limited
Unit A, Kings Hill Business Park
Darlaston Road, Wednesbury
West Midlands WS10 7SH UK
Telephone: +44(0)121 506 7700
Fax: +44 (0)121 506 7701
Service Telephone: +44 (0)121 506 7709
Service Fax: +44 (0)121 506 7702
E-mail: uksales@rg-inc.com
E-mail: export@rg-inc.com
www.rg-inc.com
Combat
®
Installation, Commissioning,
Operation & Service Manual
Model CTU
22 to 115
P/N X407UK Rev G 10/07
Tubular Unit Heaters

Table of Contents

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Roberts Gorden Combat CTU 22 to Combat 115 Specifications

General IconGeneral
BrandRoberts Gorden
ModelCombat CTU 22 to Combat 115
CategoryHeater
LanguageEnglish

Summary

SECTION 3: CRITICAL CONSIDERATIONS

3.2 Location and Suspension

Guides on proper placement, suspension, and access for servicing CTU heaters.

3.3 Minimum Required Installation Clearances

Specifies minimum clearances around the heater and flue for servicing and operation.

3.4 Clearances to Combustibles

Reinforces clearance requirements to combustible materials as indicated in figures.

3.5 Ventilation

Emphasizes adequate air circulation for combustion and ventilation as per codes.

3.6 Gas Supply

Highlights correct sizing of gas supply pipe and electrical connections.

3.7 Electrical Supply

Details the required permanent 230 V 50 Hz electrical supply.

SECTION 1: HEATER SAFETY

2.1 Clearances to Combustibles

Details required clearances to prevent fire hazards.

2.2 Corrosive Chemicals

Warns against using the heater near corrosive chemicals.

2.3 National Standards and Applicable Codes

Stresses compliance with codes for installation, gas, and venting.

SECTION 6: FLUE INSTALLATION

6.1 Flue Installation

General guidelines for flue termination and sealed systems.

SECTION 9: GAS PIPING

9.1 Connections

Instructions for making gas supply connections, including valves and flex connectors.

SECTION 10: WIRING AND ELECTRICAL INFORMATION

10.1 Electrical Supply

Details on electrical supply requirements, earthing, and wiring.

SECTION 11: COMMISSIONING

11.1 Pre-Commission Checks

Checks to be performed before lighting the heater and its controls.

11.1.2 Electrical Checks

Verifying electrical connections, wiring diagrams, and correct fuse size.

11.2 Gas Supply

Inspecting, testing, and purging the gas supply installation.

11.5 Combustion Testing

Procedures for testing and adjusting combustion quality and CO2 levels.

SECTION 12: USER INSTRUCTIONS

12.5 Simple Fault Finding

Common reasons for the heater not operating, including supply and control issues.

12.5.1 Simple Fault Finding (Burner Faults)

Troubleshooting burner ignition failure and lockout conditions.

SECTION 13: SERVICING

13.1 Servicing Instructions

Guidelines for annual maintenance and service by qualified personnel.

13.2 Burner Maintenance

Steps for cleaning and inspecting the burner, injectors, electrode, and probe.

SECTION 15: TROUBLESHOOTING

15.1 General

General guidance on troubleshooting procedures and annual inspections.

15.2 Troubleshooting For Automatic Ignition Burner Systems

Step-by-step guide for diagnosing faults in automatic ignition burner systems.

15.3 Troubleshooting for Flame Supervision System

Diagnosing issues related to the flame supervision system.

15.4 Troubleshooting for Solenoid Valves

Steps to troubleshoot problems with solenoid valves.

SECTION 16: REMOVAL AND REPLACEMENT PARTS

16.1 Gas Valve

Instructions for removing and replacing the gas valve on different models.

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