Lochinvar KNIGHT 399 User Manual download pdf (Page 24)

Installation & Operation Manual

12" (305 MM) MIN

15" (381 MM) MAX

12" (305 MM) MIN

FROM BOILER

VENT PIPE

CONNECTION

TO BOILER

INTAKE AIR

CONNECTION

BIRD SCREEN

Figure 4-1C Alternate Stainless Steel Vent Termination

- Typical Stainless Steel Sidewall Termination of Air and

Vent Models 399 - 600 w/Field Supplied Fittings,

Utilizing FasNSeal’s Hood Intake. Available Through

FasNSeal Only

4 Sidewall direct venting

TO BOILER INTAKE

AIR CONNECTION

FROM BOILER VENT

PIPE CONNECTION

12" (305 MM) MIN

15" (381 MM) MAX

12" (305 MM) MIN

Figure 4-2B Alternate Stainless Steel Sidewall

Termination Models 700 - 800 w/Field Supplied Fittings

12" (305 MM) MIN

15" (381 MM) MAX

12" (305 MM) MIN

FROM BOILER

VENT PIPE

CONNECTION

TO BOILER

INTAKE AIR

CONNECTION

BIRD SCREEN

Figure 4-2A Alternate PVC/CPVC Sidewall Termination

Models 399 - 800 w/Field Supplied Fittings

PVC/CPVC or ABS is acceptable air inlet pipe material.

NOTICE

Vent/air termination – sidewall

5. Maintain clearances as shown in FIG.’s 4-1A thru 4-4B,

pages 23 thru 25. Also maintain the following:

a. Vent must terminate:

• At least 6 feet (1.8 m) from adjacent walls.

• No closer than 12 inches (305 mm) below roof

overhang.

• At least 7 feet (2.1 m) above any public walkway.

• At least 3 feet (.9 m) above any forced air intake

within 10 feet (3 m).

• No closer than 12 inches (305 mm) below or

horizontally from any door or window or any other

gravity air inlet.

b. Air inlet must terminate at least 12 inches (305 mm)

above grade or snow line; at least 12 inches (305 mm)

below the vent termination (FIG. 4-1B); and the vent

pipe must not extend more than 24 inches (610 mm)

vertically outside the building.

c. Do not terminate closer than 4 feet (1.2 m)

horizontally from any electric meter, gas meter,

regulator, relief valve, or other equipment. Never

terminate above or below any of these within 4 feet

(1.2 m) horizontally.

6. Locate terminations so they are not likely to be damaged by

foreign objects, such as stones or balls, or subject to buildup

of leaves or sediment.

VENT / AIR

TERMINATION

12"

MIN.

12"

MIN.

12"

MIN.

Figure 4-3A Clearance to Gravity Air Inlets

TO BOILER

INTAKE AIR

CONNECTION

FROM BOILER

VENT PIPE

CONNECTION

BIRD SCREEN

12" MIN

15" MAX

12" MIN

Figure 4-1D Alternate PVC/CPVC/SS Vent Termination

- Typical Stainless Steel Sidewall Termination of Air and

Vent Models 399 - 600 w/Field Supplied Fittings,

Utilizing 90° Elbow Intake

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 75 76

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