A.O. Smith ATX-199, Инструкция по эксплуатации

Страница: 29 / 76

29
7.
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Table 7 (page 21).
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9. Return to Direct Vent Installations (page 22) to
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NOTE: SECURING STRAP
MUST BE FIELD INSTALLED
TO PREVENT MOVEMENT
OF TERMINATION KIT
MAINTAIN 12” (30 cm)
18” (45 cm) FOR CANADA
MINIMUM CLEARANCE
ABOVE HIGHEST ANTICIPATED
SNOW LEVEL. MAXIMUM OF
24” (60 cm) ABOVE ROOF.
ROOF FLASHING
(field supplied)
STRAP
(field supplied)
VENT
PIPE
INTAKE
AIR PIPE
COMBUSTION
AIR
VENT
Figure 32. Concentric Termination - Vertical Installation
INTAKE AIR PIPE
STRAP
(field supplied)
VENT PIPE
COMBUSTION
AIR
VENT
1 INCH
MAXIMUM
NOTE: SECURING STRAP MUST BE
FIELD INSTALLED TO PREVENT
MOVEMENT OF TERMINATION KIT
IN SIDEWALL.
Figure 33. Concentric Termination - Side-Wall Installation
• NOTE:
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(vent) pipe.
• NOTE:
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8.
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Concentric Termination Installation (page
29).
CONCENTRIC TERMINATION INSTALLATION
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Refer to Figure 31 Figure 32,
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Figure 33 for these
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VENT PIPE
INTAKE AIR CONNECTION
VENT CONNECTION
INTAKE AIR PIPE
Y FITTING ASSEMBLY
VENT CAP
VENT PIPE ASSEMBLY
MINIMUM ALLOWABLE LENGTH 25 INCHES (64 cm)
INTAKE AIR PIPE MAY BE SHORTENED
MINIMUM ALLOWABLE LENGTH 12 INCHES (30 cm)
VENT CAP
INTAKE AIR PIPE
Y FITTING
VENT PIPE MAY BE SHORTENED
Figure 31. Concentric Termination Kit
1.
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