Lochinvar Shield SNR200-100 Installation And Service Manual page 21

Lochinvar commercial water heater installation & service manual
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3
Sidewall direct venting
Vent/air termination – sidewall
Figure 3-5A Multiple Vent Terminations (must also
comply with Figure 3-1A)
12" MIN. BETWEEN EDGE OF AIR
INLET AND ADJACENT VENT OUTLET
VENT
VENT / AIR
TERMINATION
Multiple vent/air terminations
1. When terminating multiple Shield water heaters terminate
each vent/air connection as described in this manual
(FIG. 3-5A).
All vent pipes and air inlets must terminate
WARNING
at the same height to avoid possibility of
severe personal injury, death, or substantial
property damage.
2. Place wall penetrations to obtain minimum clearance of
12 inches between edge of air inlet and adjacent vent outlet,
as shown in FIG. 3-5A for U.S. installations. For Canadian
installations, provide clearances required by CSA B149.1
Installation Code.
3. The air inlet of a Shield water heater is part of a direct vent
connection. It is not classified as a forced air intake with
regard to spacing from adjacent water heater vents.
AIR
TM
(continued)
Figure 3-5B Alternate Multiple Vent Terminations w/Field
Supplied Fittings (must also comply with Figure 3-1B)
Installation & Service Manual
21

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