18
VZ-VZH-VZT-IOM (08-24) 1047121-A
BOLT
FLAT WASHER
HEX NUT
INSTALLATION—CONTINUED
Suspension Bracket and Reflector Installation
⚠ CAUTION ⚠
The suspension bracket with clamp must be within 4 inches (10 cm) of the burner tube flange. For
model VZH, another suspension bracket with clamp needs to be installed as the second bracket
downstream from the burner cabinet.
1. With tube assembly still on saw horses, mark positions of suspension brackets. The first bracket must be within
4 inches (10 cm) of the burner tube flange. The second bracket must be 7 feet, 6 inches (2 meters, 29 cm)
from the first. The remaining brackets must be evenly-spaced at 10-foot (3-meter) intervals (refer to SYSTEM
CONFIGURATIONS section).
2. Install suspension bracket with clamp on burner tube as shown in Figure 10. Tighten clamp using bolt, flat washer,
and hex nut torqued to 120 inch-pounds. For model VZH, ensure that this assembly is also used as second bracket
downstream from burner cabinet.
Figure 10. Installation of Suspension Bracket with Clamp
3. Slide remaining suspension brackets on to tube assembly and position them in accordance with marks made in
step 1.
4. For U-tube installations, install U-tube support bracket as shown in Figure 11.
⚠ DANGER ⚠
FIRE HAZARD: Reflectors MUST NOT come in contact with tubes.
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