Roberts Gorden 400, 200, 350, 150, 300, 175, 225 250 service manual Roberts-Gordon LLC

Page 3

TABLE OF CONTENTS

SECTION 1: Heater Safety

1

SECTION 11: User Instructions

22

1.1 Manpower Requirements

1

11.1 User Instructions

22

SECTION 2: Installer Responsibility

2

11.2 Heater Operation

22

2.1

Wall Tag

2

11.3 Lighting Instructions

22

2.2

Corrosive Chemicals

2

11.4 Simple Troubleshooting

22

2.3

National Standards and Applicable Codes

2

SECTION 12: Servicing

24

SECTION 3: Critical Considerations

3

12.1

Servicing Instructions

24

3.1

Basic Information

3

12.2

Burner Maintenance

24

3.2

Location and Suspension

3

12.3

Fan/Motor Assembly Maintenance

24

3.3

Minimum Required Installation Clearances

3

12.4

Heat Exchanger Maintenance

24

3.4

Clearances to Combustibles

3

12.5

Gas Valve Maintenance

24

3.5

Ventilation

3

12.6

Flue Blower

24

3.6

Gas Supply

3

12.7

Venting and Air Intake Pipe

24

3.7

Electrical Supply

3

12.8

Maintenance Checklist

25

3.8

Vent

3

SECTION 13: Troubleshooting

27

3.9

Separated Combustion Installation

3

13.1

General

27

SECTION 4: National Standards and Applicable Codes

5

13.2

Troubleshooting For Automatic Ignition

 

4.1

Gas Codes

5

 

Burner Systems

28

4.2

Aircraft Hangars

5

13.3

Troubleshooting for Flame Supervision System

29

4.3

Parking Structures and Repair Garages

5

13.4

Troubleshooting for Gas Valves

30

4.4

Electrical

5

13.5

Troubleshooting for Flue Blower

30

4.5

Venting

5

SECTION 14: Replacement Parts

31

4.6

High Altitude

5

14.1

Gas Valve

31

SECTION 5: Major Components

6

14.2

Burner Compartment

32

5.1

General

6

14.3

Ignition Electrode and Flame Probe

33

5.2

Suspension

6

14.4

Heat Exchanger

34

SECTION 6: Venting

7

14.5

Louvers and Louver Spring

34

6.1

Venting

7

14.6

Flue Blower

35

6.2

Vent Installation

7

14.7

Pressure Switch

36

6.3

Unvented Operation

8

14.8

Ignition Control

36

6.4

Horizontal Venting

8

14.9

Axial Fan/Guard/Motor Assembly

36

6.5

Vertical Venting

8

14.10 Limit Switches

37

6.6

Length Requirements

8

SECTION 15: Specifications

38

6.7

Vent Material

9

15.1

Standard (Models 150 - 400) UHA[S] Series

 

SECTION 7: Air Supply

13

 

Dimension Data

38

7.1 Separated Combustion Installation

13

15.2

General Technical Data Table (All Models)

39

7.2 Unvented Installation

13

15.3

Technical Data Table (All Models)

39

7.3 Building Ventilation

13

SECTION 16: The ROBERTS GORDON® COMBAT®

 

7.4 Outside Combustion Air Supply

13

 

UHA-Series Warranty

41

SECTION 8: Gas Piping

14

 

 

 

8.1

Connections

14

 

 

 

SECTION 9: Wiring

15

 

 

 

9.1

Positioning Thermostats

15

 

 

 

9.2

Low Voltage Thermostat with One Heater

15

 

 

 

9.3

UHA[S] Series Internal Wiring Diagram

16

 

 

 

9.4

UHA[S] Series Ladder Wiring Diagram

17

 

 

 

9.5

Electrical Connection to the Heater

18

 

 

 

SECTION 10: Operation and Maintenance

19

 

 

 

10.1 Pre-Start-Up Checks

19

 

 

 

10.2 Begin Start-Up

19

 

 

 

10.3 Complete the Start-Up

21

 

 

 

©2008 Roberts-Gordon LLC

All rights reserved. No part of this work covered by the copyrights herein may be reproduced or copied in any form or by any means - graphic, electronic, or mechanical, including photocopying, recording, taping or information storage and retrieval systems - without the written permission of Roberts-Gordon LLC.

Printed in U.S.A.

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Contents Combat Page Roberts-Gordon LLC Page Table of Figures Page Manpower Requirements Heater SafetyNational Standards and Applicable Codes Installer ResponsibilityWall Tag Corrosive ChemicalsClearances to Combustibles Minimum Required Installation ClearancesSeparated Combustion Installation Critical Considerations 3.1 Basic InformationInstallation Clearances and Clearances to Combustibles National Standards and Applicable Codes Suspension Major Components 5.1 GeneralCanadian Requirements Vent InstallationVenting 6.1 Venting United States RequirementsVertical Venting Separated Combustion Heaters Models Uhas 150Unvented Operation Horizontal VentingVent and Roof Detail Vent MaterialStandard Vented Heater Common Vertical Vent Termination Concentric Vent Box Horizontal Outside Combustion Air Supply Unvented InstallationAIR Supply Building VentilationConnections GAS PipingFan Control WiringLow Voltage Thermostat with One Heater Positioning ThermostatsGAS Valve Uhas Series Internal Wiring DiagramUhas Series Ladder Wiring Diagram Electrical Connection to the Heater Mechanical Checks Operation and MaintenanceLouvers Electrical ChecksAutomatic Burner Control Sequence Complete the Start-Up Pressure SwitchCheck Gas Rate Turning Off the HeaterLighting Instructions 11.3.1 To Turn On Heater Simple TroubleshootingSimple Troubleshooting Burner Fault Heater OperationUser Instructions Gas Valve Maintenance Burner Maintenance12.3 Fan/Motor Assembly Maintenance Heat Exchanger MaintenanceObjects Maintenance ChecklistVicinity of the Heater Vehicles and OtherFlue Blower Scroll, Wheel When installedBurner Observation WindowTroubleshooting 13.1 General Result in death or electrical shock Troubleshooting For Automatic Ignition Burner SystemsTroubleshooting for Flame Supervision System Troubleshooting for Gas Valves Troubleshooting for Flue BlowerConduct start-up procedure as shown on Page 19, Section Burner Components Replacement PartsBurner Injectors Burner CompartmentDescription Part Number Ignition Electrode and Flame ProbeLouvers and Louver Spring ExchangerAssemblyUhas Ignition Control Axial Fan/Guard/Motor AssemblyFan Removal and Replacement To Replace the Fan AssemblyLimit Switches Removal and Replacement Standard Models 150 400 Uhas Series Dimension Data SpecificationsTechnical Data Table All Models General Technical Data Table All ModelsPage Limitations on Authority Representatives Warranty is Void ifROBERTS-GORDON will PAY for ROBERTS-GORDON will not PAY forPage Page Page Page Fire Hazard
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225 250, 175, 300, 400, 150 specifications

Roberts Gorden is a recognized leader in the field of heating solutions, particularly renowned for the development of its innovative radiant heating systems. The lineup of models including the Roberts Gorden 250, 300, 400, 150, and 225 features a blend of advanced technology, exceptional efficiency, and versatile applications that cater to various industrial and commercial needs.

At the core of Roberts Gorden products is their radiant heating technology. Unlike conventional heating systems that warm the air, radiant heaters emit infrared radiation, which directly heats objects and people within a space. This method not only provides a comfortable environment but also reduces energy consumption and minimizes the loss of heat, making it an environmentally friendly choice.

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