Vanguard-managed-solutions NLFB32NC Bedienungsanleitung PDF herunterladen (Seite 4)

105604

UNVENTED 32" LogMate

FIREBOX

For more information, visit www.desatech.com

Today’s homes are built more energy effi-

cient than ever. New materials, increased

insulation, and new construction methods

help reduce heat loss in homes. Home owners

weather strip and caulk around windows and

doors to keep the cold air out and the warm air

in. During heating months, home owners

want their homes as airtight as possible.

While it is good to make your home energy

efficient, your home needs to breathe. Fresh

air must enter your home. All fuel-burning

appliances need fresh air for proper com-

bustion and ventilation.

Exhaust fans, fireboxes, clothes dryers, and

fuel burning appliances draw air from the

house to operate. You must provide ad-

equate fresh air for these appliances. This

will insure proper venting of vented fuel-

burning appliances.

PROVIDING ADEQUATE

VENTILATION

The following are excerpts from National

Fuel Gas Code. NFPA 54/ANS Z223.1, Sec-

tion 5.3, Air for Combustion and Ventilation.

All spaces in homes fall into one of the three

following ventilation classifications:

1. Unusually Tight Construction

2. Unconfined Space

3. Confined Space

The information on pages 4 through 6 will

help you classify your space and provide

adequate ventilation.

Unusually Tight Construction

The air that leaks around doors and win-

dows may provide enough fresh air for

combustion and ventilation. However, in

PRODUCT

FEATURES

OPERATION

This firebox is designed for use with ap-

proved ANS Z21.1.2 decorative type

unvented room heaters. (Physical size limi-

tations apply. Refer to minimum firebox

requirements supplied with log heater.) It

requires no outside venting or chimney mak-

ing installation easy and inexpensive. When

used without the blower (models FB32CA

and NLFB32C only), the firebox requires

no electricity making it ideal for emergency

backup heat.

BLOWER ACCESSORY

The FB32CA and NLFB32C firebox will

accept the GA3700 accessory. The variable

blower allows you to select the fan speed

you desire. The blower circulates heated air

from the firebox into the room. Use of

blower is optional.

LOCATING

FIREBOX

PLANNING

Plan where you will install the firebox. This

will save time and money later when you

install the firebox. Before installation, con-

sider the following:

1. Where the firebox will be located. Al-

low for wall and ceiling clearances (see

Installation Clearances, page 7).

2. Everything needed to complete instal-

lation.

3. These models CANNOT be installed in

a bedroom or bathroom.

4. Proper air for combustion and ventila-

tion (see below).

AIR FOR

COMBUSTION AND

VENTILATION

WARNING: This firebox shall

not be installed in a confined space

or unusually tight construction

unless provisions are provided

for adequate combustion and ven-

tilation air. Read the following in-

structions to insure proper fresh

air for this and other fuel-burning

appliances in your home.

buildings of unusually tight construction,

you must provide additional fresh air.

Unusually tight construction is de-

fined as construction where:

a. walls and ceilings exposed to the

outside atmosphere have a con-

tinuous water vapor retarder with

a rating of one perm (6x10

-11

per pa-sec-m

) or less with open-

ings gasketed or sealed

and

b. weather stripping has been

added on openable windows and

doors

and

c. caulking or sealants are applied

to areas such as joints around

window and door frames, be-

tween sole plates and floors, be-

tween wall-ceiling joints, be-

tween wall panels, at penetra-

tions for plumbing, electrical, and

gas lines, and at other openings.

If your home meets all of the three

criteria above, you must provide ad-

ditional fresh air. See

Ventilation Air

From Outdoors,

page 6.

If your home does not meet all of the

three criteria above, proceed to

Deter-

mining Fresh-Air Flow For Firebox

Location

, page 5.

Confined Space and Unconfined

Space

The National Fuel Gas Code (ANS Z2123.1,

1992 Section 5.3) defines a confined space

as a space whose volume is less than 50

cubic feet per 1,000 Btu per hour (4.8 m

per

kw) of the aggregate input rating of all

appliances installed in that space and an

unconfined space as a space whose volume

is not less than 50 cubic feet per 1,000 Btu

per hour (4.8 m

per kw) of the aggregate

input rating of all appliances installed in that

space. Rooms communicating directly with

the space in which the appliances are in-

stalled*, through openings not furnished

with doors, are considered a part of the

unconfined space.

This firebox shall not be installed in a con-

fined space or unusually tight construction

unless provisions are provided for adequate

combustion and ventilation air.

* Adjoining rooms are communicating only

if there are doorless passageways or ventila-

tion grills between them.

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