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Termination locations, Warning, A. appliance opening minimum clearances – Hearth and Home Technologies Heat & Glo Twilight II-B User Manual

Page 10

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Heat & Glo LifeStyle Collection • Twilight-II-B • 2108-900 Rev. G • 8/07

10

D

E

L

FP

A

H

M

X

J or K

I

A

G

F

FP

FP

FP

FP

FP

B

B

B

4

4

Termination Locations

FP

= APPLIANCE OPENING

X

= AIR SUPPLY INLET

= AREA WHERE APPLIANCE IS NOT PERMITTED

J =

9”

(U.S.A.)

12” (Canada)

...........clearance to non-mechani-

cal air supply inlet to building
or the combustion air inlet to
any other appliance

K

= 3 ft. (U.S.A.)

6 ft. (Canada) ...........clearance to a mechanical

air supply inlet

L** = 54” ...........................clearance above paved side-

walk or a paved driveway lo-
cated on public property

M*** = 35-5/16”...................clearance under veranda,

porch, deck, balcony or over-
hang

64-5/16”

..................vinyl

N

= 12” ..........................non-vinyl siding

36” ..........................vinyl siding

P =

8

ft.

(See Note 1)

(See Note 1)

(See Note 2)

*

36” minimum for vinyl windows or vinyl siding.

** a appliance shall not open directly above a sidewalk or paved

driveway which is located between two single family dwellings
and serves both dwellings.

*** only permitted if veranda, porch, deck or balcony is fully open on

a minimum of 2 sides beneath the fl oor, or if the screened porch
guidelines are followed.

NOTE 1: Local codes or regulations may require different clearances.

NOTE 2: Termination in an alcove space (spaces open only on one side
and with an overhang) are permitted with the dimensions specifi ed for
vinyl or non-vinyl siding and soffi ts. 1. There must be 3 feet minimum
between terminations or between the appliance and termination. 2.
All mechanical air intakes within 10 feet of a termination must be a
minimum of 3 feet below the appliance hood. 3. All gravity air intakes
within 3 feet of the appliance hood must be a minimum of 1 foot below
the termination.

This appliance is approved for installation onto screened porches
with the following guidelines:

Fire Risk. Explosion Risk.
Maintain vent termination minimum clearances as specifi ed.

Figure 4.1 Minimum Clearances for Appliance Opening

NOTE: There may be some odor and small amounts of soot
associated with venting the Twilight-II-B onto a screened porch.
Ensuring good cross draft ventilation and routine maintenance of
the appliance will maximize comfort and cleanliness.

Minimum porch area: 96 square feet
Minimum ceiling height: 92 inches
Minimum two walls must be screened
Minimum top of screen height, side walls: 6 ft. 8 in.
Minimum screen area: 64 square feet

A. Appliance Opening Minimum Clearances

M

N

P

R

Q

FP

A

= 0” ...........................clearances above grade, veran-

da, porch, deck or balcony

B*

= 12”

.........................clearances to window or door

that may be opened, or to per-
manently closed window.

D

=.................................vertical clearance to ventilated

soffi t located above the hood
within a horizontal distance of 2
feet (60 cm) from the center-line
of the hood

E

= .. .clearance to unventilated soffi t

F

= 9” ..........................clearance to outside corner

G*

= 12” .........................clearance to inside corner

H

= 3 ft. (Canada) ........not to be installed above a gas me-

ter/regulator assembly within 3 feet
(90cm) horizontally from the center-
line of the regulator

I

= 3 ft. ........................clearance to service regulator vent

outlet and electric service

35-5/16”

(non-vinyl)

64-5/16”

(vinyl)

35-5/16”

(non-vinyl)

64-5/16”

(vinyl)

WARNING

Q

MIN

R

MAX

Twilight-II-B

10 feet

2 x Q

ACTUAL

1 additional termination cap

Q + 3 feet

1 x Q

ACTUAL

2 additional termination caps

Q + 6 feet

2/3 x Q

ACTUAL

3 additional termination caps

Q + 9 feet

1/2 x Q

ACTUAL

R

MAX

= (2 / # caps plus appliance) x Q

ACTUAL