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

SECTION 7: HEATER INSTALLATION

FIGURE 14: Critical Hanger Placement

Typical Suspension Details

	Beam Clamp
		Anchor
		Screw Hook
		3/8"
		Chain Size
	Rod 3/8"	3/16"
24" min.*		Minimum
(61 cm)	“X”*
		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
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 18, Figure 15.

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

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