Installation - Williams 696542 Owner's Operation And Installation Manual

Figure 3 -Ventilation Air from Outdoors

INSTALLATION

NOTICE: This heater is
intended for use as supplemental
heat. Use this heater along with
your primary heating system.
Do not install this heater as
your primary heat source. If you
have a central heating system,
you may run system's circulat-
ing blower while using heater.
This will help circulate the heat
throughout the house. In the
event of a power outage, you can
use this heater as your primary
heat source.
WARNING:
service person must install
heater. Follow all local codes.
CHECK GAS TYPE
Use only natural gas. If your
gas supply is not natural, do
not install heater. Call dealer
where you bought heater for
proper type heater.
VENTILATION AIR
INSTALLATION NEEDS
Before installing heater, make sure
you have the items listed below.
 piping (check local codes)
 sealant (resistant to natural
gas)
 equipment shutoff valve*
 ground joint union
 test gauge connection*
 sediment trap
 tee joint
 pipe wrench
*A CSA/AGA
equipment
"
1/8 NPT
able
gauge
A qualified
optional CSA/AGA design certified
equipment shutoff valve from your
dealer. See Accessories, page 17.
LOCATING HEATER
This heater is designed to be
mounted on a wall.
For convenience and efficiency,
install heater
 where there is easy access for
operation, inspection, and
service.
in coldest part of room.

design-certified
shutoff valve with
tap is an accept-
alternative to test
connection. Purchase the
6
Ventilation Air From Outdoors
Provide extra fresh air by using venti-
lation grills or ducts: You
vide two permanent openings: one
"
within 12 of the ceiling and one within
"
12 of the floor.
Connect these items directly to the
outdoors or spaces open to the outdoors.
These spaces include attics and crawl
spaces. Follow the National Fuel Gas
Code NFPA 54/ANS Z223.1, Section 5.3.
Air for Combustion and Ventilation for
required size of ventilation grills or ducts.
IMPORTANT: Do not provide openings
for inlet or outlet air into attic if attic
has a thermostat-controlled power vent.
Heated air entering the attic will activate
the power vent.
CAUTION: If you install the
heater in a home garage
 heater pilot and burner must
be at least 18 inches above
floor.
locate heater where moving

vehicle will not hit it.
WARNING: Never install
the heater
in a bathroom

in a recreational vehicle.

where curtains, furniture,

clothing, or other flammable
objects are less than 36 inches
from the front, top, or sides
of the heater.
as a fireplace insert.

in high traffic areas.

in windy or drafty areas.

CAUTION: This heater creates
warm air currents. These currents
move heat to wall
next to heater. Installing heater
next to vinyl or cloth wall cover-
ings or operating heater where
impurities (such as tobacco smoke,
aromatic candles, cleaning fluids,
oil or kerosene lamps, etc.) in the
air exist may discolor walls.
must pro-
surfaces