Secure The Vent Sections; Disassemble Vent Sections - Heatilator NDV3630 Owner's Manual Installation And Operation

D. Secure the Vent Sections
• Vertical runs originating off the top of the appliance, with
no offsets, must be supported every 8 ft. (2.44 m) after
the maximum allowed 25 ft. (7.62 m) of unsupported rise.
• Vertical runs originating off the rear of the appliance, or
after any elbow, must be supported every 8 ft.(2.44 m).
• Horizontal runs must be supported every 5 ft. (1.52 m).
• Wall shield fi restops may be used to provide horizontal
support.
• Vent support or plumber's strap (spaced 120° apart) may
be used for support. See Figures 10.8 and 10.9.
• SLP ceiling fi restops have tabs that may be used to
provide vertical support.
WARNING! Risk of Fire, Explosion or Asphyxi-
ation! Improper support may allow vent to sag and
separate. Use vent run supports and connect vent
sections per installation instructions. DO NOT allow
vent to sag below connection point to appliance.
Figure 10.8 Securing Vertical Pipe Sections
Figure 10.9 Securing Horizontal Pipe Sections
42 Heatilator • Novus NDV Series • 4055-187 Rev. AA • 10/13
E. Disassemble Vent Sections
• Rotate either section (see Figure 10.10) so the seams
on both pipe sections are aligned as shown in Figure
10.11.
• Pull carefully to separate the pieces of pipe.
Figure 10.10 Rotate Seams for Disassembly
Figure 10.11 Align and Disassemble Vent Sections