Lochinvar 400, 801 11Concentric Vent Sidewall Attachment, Multiventing sidewall terminations

Installation & Operation Manual

4 Sidewall direct venting (continued)

Sidewall termination – optional concentric vent: Models 400 - 601 Only

Figure 4-11Concentric Vent Sidewall Attachment

STRAP (FIELD SUPPLIED)

ELBOW (FIELD SUPPLIED)

COMBUSTION AIR

COMBUSTION AIR

VENT

VENT

CAUTION	DO NOT use field-supplied couplings
	to extend pipes. Airflow restriction
	will occur and may cause intermittent
	operation.

9.Cement appliance combustion air and vent pipes to the concentric vent termination assembly. See FIG. 4-11 for proper pipe attachment.

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

VENT

COMBUSTION

AIR

Multiventing sidewall terminations

When two (2) or more direct vent appliances are vented near each other, each appliance must be individually vented (see FIG. 4-12). NEVER common vent or breach vent this appliance. When two (2) or more direct vent appliances are vented near each other, two (2) vent terminations may be installed as shown in FIG. 4-12. It is important that vent terminations be made as shown to avoid recirculation of flue gases.

12"

MINIMUM

Figure 4-12Concentric Vent and Combustion Air Termination

29