Roberts Gorden CTH2-150, CTH2-125, CTH2-80, CTH2-100, CTH2-175 Roberts-GordonLLC, Table Of Contents

TABLE OF CONTENTS

SECTION 1: Heater Safety		1	SECTION 9: Gas Piping		40
1.1 Manpower Requirements		1	SECTION 10: Wiring		42
1.2 Safety Labels and Their Placement		1	10.1	Line Voltage Thermostat Wiring	42
1.3 California Proposition 65		1	10.2	Low Voltage Thermostat with One Burner	42
SECTION 2: Installer Responsibility		4	10.3	Low Voltage Thermostat Wiring with Multiple Burners.
2.1	Wall Tag	4	43
2.2	Corrosive Chemicals	4	10.4	Internal Wiring	43
2.3	National Standards and Applicable Codes	4	10.5	Ladder Diagram	44
SECTION 3: Clearances to Combustibles		5	10.6	Electrical Connection to the Burner	44
3.1	Required Clearances to Combustibles	5	SECTION 11: Operation and Maintenance		45
SECTION 4: National Standards and Applicable Codes		9	11.1 Sequence of Operation		45
4.1	Gas Codes	9	11.2 To Shut Off Heater		45
4.2	Aircraft Hangars	9	11.3 To Start Heater		45
4.3	Public Garages	9	11.4 Pre-Season Maintenance and Annual Inspection		45
4.4	Electrical	9	11.5 Maintenance Checklist		46
4.5	Venting	9	SECTION 12: Troubleshooting		48
4.6	High Altitude	9	12.1	Honeywell SmartValve® II Troubleshooting	49
SECTION 5: Major Components		10	12.2	Troubleshooting Flow Chart	50
5.1	Standard Parts List	11	12.3	Manifold Gas Pressure Setting	52
SECTION 6: Heater Installation		13	SECTION 13: Replacement Parts		53
6.1	Burner Tube Installation	18	SECTION 14: General Specifications		56
6.2	Tube Clamp Package Installation	18	14.1	Material Specifications	56
6.3	Coupling and Tube Assembly	19	14.2	Heater Specifications	56
6.4	Turbulator Installation	20	14.3	Suspension Specifications	56
6.5	Reflector Installation	21	14.4	Controls Specifications	56
6.6	Burner Installation	23	SECTION 15: The ROBERTS GORDON® VANTAGE® II
SECTION 7: Optional Heater Accessories		24		Warranty	57
7.1 U-Tube Configuration		24
7.2 Elbow Package Configuration		28
7.3 Reflector Side Extension		30
7.4 Lower Clearance Shield Installation		31
7.5 Two-Foot Decorative Grille Installation		31
7.6 Protective Grille Installation		33
SECTION 8: Venting		34
8.1	General Venting Requirements	34
8.2	Unvented Operation	34
8.3	Horizontal Venting	35
8.4	Vertical Venting	35
8.5	Unvented Operation Tube Termination	35
8.6	Length Requirements	35
8.7	Horizontal Ventilation 4" (10 cm) Pipe	35
8.8	Vertical Ventilation 4" (10 cm) Pipe	36
8.9	Common Sidewall Venting	36
8.10 Common Vertical Venting		37
8.11 Outside Combustion Air Supply		38

© 2012 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.