Reliant FVIR GAS WATER HEATER Technical Information PDF herunterladen (Seite 16)

• The connector must be firmly attached and sealed

to prevent it from falling out.

• To aid in removing the connector, a thimble or slip

joint may be used.

• The connector must not extend beyond the inner

edge of the chimney as it may restrict the space

between it and the opposite wall of the chimney

LISTED LINED

CHIMNEY

2 FT. MINIMUM ABOVE ANY OBJECT

WITHIN 10FT. HORIZONTALLY

DO NOT EXTEND

VENT BEYOND EDGE

OF CHIMNEY

VENT

CONNECTOR

3 FT. MINIMUM

MAINTAIN

CLEARANCE*

SEAL

SLOPE

UP 1/4 IN.

PER FT.

MINIMUM

CHIMNEY TERMINATION VENT SYSTEM

SUPPORT

STRAP

Figure 13

Do not reduce the vent to less than the draft hood

outlet diameter. Do not terminate the vent connector in

a chimney that has not been certified for this purpose.

Some local codes may prohibit the termination of vent

connectors in a masonry chimney.

Vertical Exhaust Gas Vent: Vertical exhaust gas

vents must be installed with U.L. listed type B vent pipe

according to the vent manufacturer’s instructions and the

terms of its listing.

It must be connected to the water heater’s draft hood by a

listed vent connector or by directly originating at the draft

hood opening.

Vertical gas vents must terminate with a listed cap or

other roof assembly and be installed according to their

manufacturer’s instructions.

Gas vents must be supported to prevent damage, joint

separation, and maintain clearances to combustible

materials.

IMPORTANT: This gas vent must be terminated in a

vertical position to facilitate the removal of the burnt

gases.

An unused chimney ﬂ ue or masonry enclosure may be

used as a passageway for the installation of a gas vent.

NOTE: The chimney ﬂ ue or masonry enclosure size may

be too large to allow proper venting.

Common (combined) venting is allowable with vertical

type B vent systems and lined masonry chimneys as long

as proper draft for the water heater is established under

all conditions of operation. CAUTION: DO NOT common

vent this water heater with any power vented appliance.

The following ﬁ gures are examples of vent pipe system

installations and may or may not be typical for your

speciﬁ c application. Consult the “National Fuel Gas

Code”, NFPA 54, ANSI Z223.1-current edition and the

guidelines set forth by prevailing local codes.

VERTICAL GAS VENT SYSTEM WITH

TYPE B DOUBLE WALL VENT PIPE.

LISTED VENT CAP

TYPE B DOUBLE

WALL VENT PIPE

**MAINTAIN

SPECIFIED

CLEARANCE

VENT

CONNECTOR

SLOPE UP

1/4 IN. PER FT.

MINIMUM

*MAINTAIN

CLEARANCE

SUPPORT

STRAP

LISTED GAS VENT

LOWEST DISCHARGE OPENING

H (MINIMUM) - MINIMUM HEIGHT FROM

ROOF TO LOWEST DISCHARGE OPENING

ROOF PITCH IS x/12

Figure 14

Consult the table found in the “National Fuel Gas

Code”, NFPA 54, ANSI Z223.1-current edition to

determine the minimum height from roof to lowest

discharge opening.

VENTING THROUGH A CHIMNEY WITH

TYPE B DOUBLE WALL VENT PIPE.

LISTED VENT CAP

VENT CONNECTOR

UNUSED CHIMNEY

FLUE OR MASONRY

ENCLOSURE

SEAL

*MAINTAIN

CLEARANCE

VENT

CONNECTOR

SLOPE UP

1/4 IN. PER FT.

MINIMUM

**MAINTAIN

SPECIFIED

CLEARANCE

SUPPORT

STRAP

MAINTAIN MANUFACTURER’S

SPECIFIED MINIMUM CLEARANCE

Figure 15

Maintain vent pipe clearance requirements to local, state

and/or the “National Fuel Gas Code”, ANSI Z223.1(NFPA

54)-current edition.

NFPA 211, Standard for Chimneys, Fireplaces, Vents, and

Solid Fuel-Burning Appliances states that these chimneys are

intended to be installed in accordance with the installation

instructions provided with each chimney support assembly.

Minimum air space clearance to combustible materials should be

maintained as marked on the chimney sections.

BASIC INSTALLATION & OPERATION

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