Reznor VZ - Page 24

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VZ-VZH-VZT-IOM (08-24) 1047121-A
GASKET
BOLT
LOCKWASHER
BLOWER
AND MOTOR
ASSEMBLY
INSTALLATION—CONTINUED
Heater Suspension—Continued
NOTE: Model VZH is shipped with a suspension bracket attached to the exhaust end of the cabinet
in an upside-down position.
3. For model VZH, reverse orientation of suspension bracket (see Figure 2) on burner cabinet so that single hole
is on top.
NOTE: Models VZ and VZT are shipped with the blower and motor assembly separate (not installed).
4. For models VZ and VZT, install blower and motor assembly on top of burner cabinet as shown in Figure 17:
a. Secure blower and motor assembly using blower gasket and four #10-32 locknuts.
b. Install combustion air inlet collar if connecting outside air inlet.
c. Plug blower cord into receptacle (see Figure 1 or Figure 3) on rear of burner cabinet.
5. Suspend burner cabinet in accordance with steps 1 and 2 and connect to tube assembly using gasket, bolts,
and lockwashers as shown in Figure 17. Torque bolts to 120 inch-pounds. For model VZH, connect additional
S-hook and suspension hardware to suspension bracket on burner cabinet.
6. Adjust heater suspension hardware as necessary:
a. Use level to ensure that burner cabinet is level and that all turnbuckles, threaded rods, and/or chains are plumb.
b. For vented heaters, ensure that tube assembly has slight downward slope (approximately 1/2 inch from end-
to-end) away from burner cabinet. For unvented heaters, ensure that tube assembly has slight downward
slope (approximately 1/2 inch from end-to-end) toward burner cabinet.
Figure 17. Burner Cabinet and Tube Assembly Connection (Model VZ Shown)