Reznor LDAP Unit Installation Manual Bedienungsanleitung PDF herunterladen (Seite 19)

Form I-LDAP, P/N 207733R6, Page 19

7) Vent Terminal (Pipe

and Vent Cap)

The vent terminal pipe must be either Category III vent pipe or double-wall

(Type B). Terminate the vent pipe with a Reznor Option CC1 vent cap. A differ-

ent style vent cap could cause nuisance problems or unsafe conditions. The

vent cap must be the same diameter as the vent pipe.

See FIGURE 11 for requirements of a vertical vent terminal. See FIGURE 12

and the clearance table for requirements of a horizontal vent terminal.

FIGURE 12 -

Horizontal Vent

Terminal

(NOTE: Read all

measurements; drawing

is not proportional.)

Vent Pipe

(Comply with

Requirements

1) and 2) on

pages 16-17.)

Horizontal Vent Terminal Clearances

A vent cap is required. Maintain a minimum

clearance of 12 inches (305mm) from the wall

to the vent terminal cap for stability under wind

conditions.

Products of combustion can cause discoloration

of some building nishes and deterioration of

masonry materials. Applying a clear silicone

sealant that is normally used to protect concrete

driveways can protect masonry materials. If

discoloration is an esthetic problem, relocate the

vent or install a vertical vent.

Structure

Minimum Clearances for Vent Termination

Location (all directions unless specied)

Forced air inlet within 10 ft (3.1M) 3 ft (0.9M) above

Combustion air inlet of another

appliance

6 ft (1.8M)

Door, window, or gravity air inlet (any

building opening)

4 ft (1.2M) horizontally

4 ft (1.2M) below

1 ft (305mm) above

Electric meter, gas meter*, gas

regulator*, and relief equipment

U.S. - 4 ft (1.2M) horizontally

Canada - 6 ft (1.8M) horizontally)

Gas regulator * U.S. - 3 ft (0.9M); Canada - 6 ft (1.8M)

Adjoining building or parapet 6 ft (1.8M)

Adjacent public walkways 7 ft (2.1M) above

Grade (ground level) 1 ft (305mm) above**

*Do not terminate the vent directly above a gas meter or service regulator.

** Consider local snow depth conditions. The vent must be at least 6” (152mm)

higher than anticipated snow depth.

FIGURE 11 - Vertical

Vent Terminal

(

NOTE: Read all

measurements; drawing

is not proportional.)

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