Installation & Operation Manual

4Sidewall direct venting (continued)

Vent/air termination – sidewall

Figure 4-3BAlternate Clearance to Gravity Air Inlets w/Field Supplied Fittings

12” (305 MM)

MIN

BIRD

SCREEN

(TYPICAL)

12” (305 MM)

MIN

12” (305 MM)

MIN

Figure 4-4AClearance to Forced Air Inlets

IF LESS

THAN 10’

VENT / AIR

36"

TERMINATION

MIN.

 

FORCED AIR

INLET

7' MIN. ABOVE ANY PUBLIC WALKWAY

Prepare wall penetrations

1.Use the factory supplied wall plate as a template to locate the vent and air intake holes and mounting holes.

Air pipe penetration:

a.Cut a hole for the air pipe. Size the air pipe hole as close as desired to the air pipe outside diameter.

Vent pipe penetration:

a.Cut a hole for the vent pipe. For either combustible or noncombustible construction, size the vent pipe hole with at least a 1/2 inch clearance around the vent pipe outer diameter:

5½ inch hole (140 mm) hole for 4 inch (102 mm) vent pipe

7½ inch hole (191 mm) hole for 6 inch (152 mm) vent pipe

Drill 3/16" diameter holes for inserting the plastic anchors into the wall.

2.Install the vent and air intake piping through the wall into the vent plate openings. Seal all gaps between the pipes and wall. Use RTV silicone sealant to seal the air pipe. Use the cement/primer listed in Table 3A on page 18 to seal the vent pipe.

3.Mount and secure the vent plate to the wall using stainless steel screws. Seal around the plate to the wall assuring no air gaps.

4.Assemble the vent cap to the vent plate (see FIG. 4-4A). Insert the stainless steel screws into the vent cap screw hole openings and securely attach the vent cap to the vent plate.

5.Seal all wall cavities.

Figure 4-5ASidewall Termination Assembly

Figure 4-4BAlternate Clearance to Forced Air Inlets w/Field Supplied Fittings

AIR PIPING

VENT PIPING

WALL PLATE

VENT PLATE

VENT CAP

7’ (2.1 M) MIN ABOVE ANY

PUBLIC WALKWAY

IF LESS

THAN 10’ (3 M)

36” (914 MM)

MIN

FORCED AIR

INLET

BIRD

SCREEN

(TYPICAL)

GALVANIZED

THIMBLE

25

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Image 25
Lochinvar 800 operation manual Prepare wall penetrations, Bird Screen Typical

800 specifications

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