Check Gas Type; Installation And Clearances - Vanguard VYS18NWA Owner's Manual

Unvented (vent-free) natural gas log heater flame-max series
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INSTALLATION
NOTICE: This heater is intended
for use as supplemental heat. Use
this heater along with your pri-
mary heating system. Do not in-
stall this heater as your primary
heat source. If you have a central
heating system, you may run
system's circulating blower while
using heater. This will help circu-
late the heat throughout the
house. In the event of a power
outage, you can use this heater
as your primary heat source.
WARNING: A qualified ser-
vice person must install heater.
Follow all local codes.
NOTICE: State or local codes may
only allow operation of this appli-
ance in a vented configuration.
Check your state or local codes.
WARNING: Before installing
in a solid fuel burning fireplace,
the chimney flue and firebox must
be cleaned of soot, creosote,
ashes and loose paint by a quali-
fied chimney cleaner. Creosote
will ignite if highly heated. A dirty
chimney flue may create and dis-
tribute soot within the house. In-
spect chimney flue for damage. If
damaged, operate heater with flue
damper closed.
WARNING: Seal any fresh air
vents or ash clean-out doors lo-
cated on floor or wall of fireplace.
If not, drafting may cause pilot
outage or sooting. Use a heat-
resistant sealant. Do not seal
chimney flue damper.
105189
WARNING: Never install the
heater
• in a bedroom or bathroom un-
less installed as a vented ap-
pliance, see page 10
• in a recreational vehicle
• where curtains, furniture,
clothing, or other flammable
objects are less than 42 inches
from the front, top, or sides of
the heater
• in high traffic areas
• in windy or drafty areas
CAUTION: This heater cre-
ates warm air currents. These
currents move heat to wall sur-
faces next to heater. Installing
heater next to vinyl or cloth wall
coverings or operating heater
where impurities (such as, but
not limited to, tobacco smoke,
aromatic candles, cleaning flu-
ids, oil or kerosene lamps, etc.) in
the air exist, may discolor walls
or cause odors.
IMPORTANT: Vent-free heaters add mois-
ture to the air. Although this is beneficial,
installing heater in rooms without enough
ventilation air may cause mildew to form
from too much moisture. See Air for Com-
bustion and Ventilation, pages 4 through 6.

CHECK GAS TYPE

Use only natural gas. If your gas supply is
not natural gas, do not install heater. Call
dealer where you bought heater for proper
type heater.
INSTALLATION AND
CLEARANCES (Vent-Free
Operation Only)
WARNING: Maintain the mini-
mum clearances. If you can, pro-
vide greater clearances from
floor, ceiling, and adjoining wall.
7
OWNER'S MANUAL
MINIMUM FIREPLACE
CLEARANCE TO
COMBUSTIBLE MATERIALS
Log Size
18", 24",
and 30"
LOG SIZING REQUIREMENTS
Minimum Firebox Size
Log Height
Size
18"
17"
24"
17"
30"
17"
*Measured at 14" depth
Carefully follow the instructions below. This
will ensure safe installation into a masonry,
UL127-listed manufactured fireplace, or
listed vent-free firebox.
Minimum Clearances For Side
Combustible Material, Side Wall,
and Ceiling
A. Clearances from the side of the fireplace
cabinet to any combustible material and
wall should follow diagram in Figure 4.
Example: The face of a mantel, book-
shelf, etc. is made of combustible ma-
terial and protrudes 3
This combustible material must be 4"
from the side of the fireplace cabinet
(see Figure 4).
Note: When installing your gas logs into
a manufactured firebox, follow firebox
manufacturer's instructions for minimum
clearances to combustible materials.
B. Clearances from the top of the fireplace
opening to the ceiling should not be less
than 42 inches.
Example
*Minimum 16 inches from Side Wall
Figure 4 - Minimum Clearance for Com-
bustible to Wall
Side Wall
Ceiling
16"
42"
Depth Front Rear*
Width Width
14"
24"
20"
14"
28"
21"
14"
34"
24"
1
/
" from the wall.
2
*
Continued

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