Manuals / Roberts Gorden / Household Appliance / Electric Heater

Roberts Gorden TF-380, TF-350, TF-300, TF-120 Critical Hanger Placement, Typical Suspension Details

Models: TF-380 TF-250 TF-160 TF-200 TF-120 TF-300 TF-350

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FIGURE 12: Critical Hanger Placement

TF-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL

FIGURE 12: Critical Hanger Placement

Typical Suspension Details

Beam Clamp

	Rod (3/8")
24" min.* (9.5 mm)
(61 cm)	“X”*

Anchor

Screw Hook (3/8") (9.5 mm)

Chain size 3/16" (4.7 mm)

minimum

“S” Hooks

Concrete Beam Locknut Wood Beam

Washers

Turnbuckle	* Allows for thermal expansion of system
Not Included

S Hooks
Side View				Hanger
Hanger
Reflector
Must Be Within 4" (10 cm)	Front View		45° Angle
Total Straight Length (both sides) or Length from U-Tube to U-Tube		Typical Expansion		Minimum “X” Length
in a Double "U" Layout		Each Side		Minimum “X” Length
in a Double "U" Layout		Each Side
0’ - 50’		±1” (3 cm)		12” (31 cm)
51’ - 60’		±2” (5 cm)		18” (46 cm)
61’ - 80’		±3” (8 cm)		24” (61 cm)
81’ - 100’		±4” (10 cm)		30" (76 cm)
101’ - 120’		±5” (13 cm)		36" (91 cm)
121’ - 140’		±6” (15 cm)		42" (107 cm)
141’ - 160’		±7” (18 cm)		48" (122 cm)

If the installation requires a shorter suspension length than the minimum listed, the suspension length may be reduced by 6" (16 cm). In this case, tube clamps MUST be used at the two farthest hangers on each side of the burner. See Page 15, Figure 13.

Description	Part Number
S-Hook	91907302
Tube/Reflector Hanger	03090100

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Roberts Gorden TF-380, TF-350, TF-300, TF-120, TF-200, TF-160, TF-250 Critical Hanger Placement, Typical Suspension Details

Contents

Twin Fire Unitary Infrared Heater TF-120 TF-160 TF-200 TF-250 TF-300 TF-350 TF-380If you smell gas Quality in Any LanguagePage TABLE OF CONTENTS 2005Page TABLE OF FIGURES Page SECTION 1 HEATER SAFETY 1.1 Manpower RequirementsSECTION 2 INSTALLER RESPONSIBILITY 2.1 Wall Tag2.2 Corrosive Chemicals 2.3 National Standards and Applicable CodesModel inchescentimeters FIGURE 2: ONE SIDE REFLECTOR FIGURE 4 45 TILT REFLECTORinches centimetersFIGURE 5 U-TUBE,STANDARD REFLECTOR FIGURE 6 U-TUBE,45FIGURE 7 U-TUBE,OPPOSITE 45 REFLECTOR inchesinches A B C D centimeters A B C DFIGURE 9 LOWER CLEARANCE SHIELD Unapproved4.1 Gas Codes 4.2 Aircraft Hangars4.3 Public Garages 4.4 ElectricalCoupling Assembly Reflector Support Strap & Wire FormSECTION 5 MAJOR COMPONENTS FIGURE 11 Major Component DescriptionsTable 2 Contents of Core and Extension Packages 5.1 Standard Parts ListTable 1 Contents of Burner Carton Additional tubing length may be added to heater. Tubing must be heat-treated,aluminized or porcelain coated. Any additional tubing lengths are considered as vent length for length determination. Maximum venting length for minimum heater length is 45 13.7 m, or 22.5 7 m on each tube SECTION 6 SUGGESTED LAYOUTS 6.1 TF-380- 4 Elbow Design Common Vent6.2 TF-350- 4 Elbow Design Common Vent 6.3 TF-300- Double U Design Common Vent90 Elbow Burner10 Typ TubeSECTION 7 HEATER INSTALLATION on Page 14, FigureFIGURE 12 Critical Hanger Placement Typical Suspension DetailsFIGURE 13 Linear Heater Assembly Overview FIGURE 14 Linear Heater Layout Overview 80 24 m Tube Length Each Side 60 18 m Tube Length Each Side70 21 m Tube Length Each Side Step 7.1 Burner Tube Installation Step 7.2 Burner InstallationStep 7.3 Tube Clamp Package Installation Step 7.4 Coupling and Tube AssemblyOpen ClosedStep 7.4.1 Coupling and Tube Assembly Continued Step 7.4.2 Coupling and Tube Assembly Continued± 2 5 cm Drive Slide Bar until tightStep 7.5 Turbulator Installation Step 7.6 Reflector InstallationThe pictorial drawings of the heater construction in Section 7 are schematic only and provide a general guideline of where hangers, reflector supports and U-clipsare to be installed