Roberts Gorden CTHN-125, CTHN-200, CTHN-100, CTHN-40, CTHN-80 Roberts-Gordon,LLC, Table Of Contents

TABLE OF CONTENTS

SECTION 1: Heater Safety		1	12.2	Unvented Operation Termination	51
1.1 Manpower Requirements		1	12.3	Horizontal Venting	51
SECTION 2: Installer Responsibility		2	12.4	Vertical Venting	51
2.1	Wall Tag	2	12.5	Length Requirements	51
2.2	Corrosive Chemicals	2	12.6	Flue Connection Detail	52
2.3	National Standards and Applicable Codes	2	12.7	Horizontal Ventilation 4" (10 cm) Pipe	52
SECTION 3: Critical Considerations		3	12.8	Vertical Ventilation 4" (10 cm) Pipe	53
3.1	Required Clearances to Combustibles	3	12.9	Common Sidewall Venting	53
SECTION 4: National Standards and Applicable Codes		7	12.10 Common Vertical Venting		54
4.1	Gas Codes	7	SECTION 13: Venting - Multiburner Systems		55
4.2	Aircraft Hangars	7	13.1	General Requirements	55
4.3	Public Garages	7	13.2	Manifold Tube Requirements	55
4.4	Electrical	7	13.3	Venting the Pump	55
4.5	Venting	7	13.4	EP-100 Pump Models	56
4.6	High Altitude	7	13.5	EP-200 Pump Series	56
SECTION 5: Heater Descriptions		8	13.6	EP-300 Pump Series	56
5.1	Unitary vs. Multiburner	8	13.7	Installation Precautions	56
SECTION 6: Major Components		9	SECTION 14: Outside Combustion Air Supply		58
SECTION 7: General Suspension Details		10	14.1	Length Requirements	58
SECTION 8: Unitary Linear & U-Tube Heater Installation.. 11			14.2	Vertical Non-Pressurized Outside Air Supply for
8.1	Standard Parts	11		Single Heater Installation	58
8.2	Unitary Heater Requirements	13	14.3	Horizontal Non-Pressurized Outside Air Supply for
8.3	Unitary Linear Heater Layouts	14		Single Heater Installation	58
8.4	Unitary U-tube Heater Layouts	17	14.4	Vertical Non-Pressurized Outside Air Supply for
8.5	Burner Tube Installation	19		Double Heater Installation	59
8.6	Tube Clamp Package Installation	19	14.5	Horizontal Non-Pressurized Outside Air Supply for
8.7	Coupling and Tube Assembly	20		Double Heater Installation	59
8.8	Turbulator Installation	21	14.6	Pressurized Outside Air Supply	60
8.9	Reflector Installation	22	SECTION 15: Wiring		61
8.10 Burner Installation		24	15.1	Internal Wiring	61
8.11 Fan Inlet Plate and Warning Tag		24	15.2	Internal Wiring	61
8.12 Restrictor Plate Installation		25	15.3	Ladder Diagram	62
8.13 Fan Installation		25	15.4	External Wiring (Unitary Heaters Only)	62
SECTION 9: Multiburner Heater Installation		26	15.5	Line Voltage Thermostat Wiring
9.1	Standard Parts	26		(Unitary Heaters Only)	63
9.2	Multiburner System Design Requirements	29	15.6	Low Voltage Thermostat Wiring
9.3	Burners Per Pump	30		(Unitary Heaters Only)	63
9.4	Radiant Tube Length	31	15.7	System Control Methods and External Multiburner
9.5	Manifold Tube	31		Wiring	64
9.6	Multiburner System Layouts and Manifold Tube		SECTION 16: Gas Piping		69
	Length Rules	31	SECTION 17: Operation and Maintenance		70
9.7	Burner Tube Installation	36	17.1 Checking the Gas Line		70
9.8	Tube Clamp Package Installation	36	17.2	Unitary Heater Sequence of Operation	70
9.9	Coupling and Tube Assembly	37	17.3 Multiburner System Operation		70
9.10 Turbulator Installation		38	17.4 Maintenance		73
9.11 Reflector Installation		39	17.5 Maintenance Checklist		74
9.12 Burner Installation		41	SECTION 18: Troubleshooting		76
SECTION 10: Optional Heater Accessories		42	18.1	Troubleshooting Flow Chart - Unitary	76
10.1 Elbow Package Configuration		42	18.2	Troubleshooting Flow Chart - Multiburner	78
10.2 Reflector Side Extension		44	18.3	Manifold Gas Pressure Setting	80
10.3 Lower Clearance Shield Installation		45	SECTION 19: Replacement Parts List		81
10.4 Two-Foot Decorative Grille Installation		45	SECTION 20: General Specifications		83
10.5 One-Foot Decorative Grille Installation		47	20.1 Material Specification		83
10.6 Protective Grille Installation		49	20.2 Heater Specifications		83
SECTION 11: Venting - General		50	20.3 Suspension Specifications		83
11.1 General Venting Requirements		50	20.4 Controls Specifications		83
SECTION 12: Venting - Unitary Heater		51	SECTION 21: The ROBERTS GORDON® Vantage® NP Limited
12.1 Unvented Operation		51		Warranty	85

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