Installation & Operation Manual

4 Sidewall direct venting

Sidewall termination – optional concentric vent

Figure 4-10Concentric Vent Sidewall Attachment

 

DO NOT use field-supplied couplings to

Multiventing sidewall terminations

CAUTION

extend pipes. Airflow restriction will occur

 

 

When two (2) or more direct vent appliances are vented near

 

and may cause intermittent operation.

 

 

each other, each appliance must be individually vented (see FIG.

 

 

4-11). NEVER common vent or breach vent this appliance.

8. Cement appliance combustion air and vent pipes to the

When two (2) or more direct vent appliances are vented near

concentric vent termination assembly. See FIG. 4-10 for

each other, two (2) vent terminations may be installed as shown

proper pipe attachment.

in FIG. 4-11. It is important that vent terminations be made as

 

 

shown to avoid recirculation of flue gases.

9.Operate the appliance one (1) heat cycle to ensure combustion air and vent pipes are properly connected to the concentric vent termination connections.

12"

MINIMUM

VENT

COMBUSTION

AIR

Figure 4-11Concentric Vent and Combustion Air Termination

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Lochinvar 51-211 operation manual 10Concentric Vent Sidewall Attachment, Multiventing sidewall terminations