Check Gas Type; Installation Items; Locating Heater - Comfort Glow CGN20TB Owner's Operation And Installation Manual

Blue flame vent-free natural gas heater heater sizes: 20,000 btu/hr thermostat and 30,000 btu/hr thermostat model heaters
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OWNER'S
MANUAL
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 blowerwhne
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.
NOTICE: A qualified service per-
son must install heater. Follow
all local codes.
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
ITEMS
Before installing heater, make sure you have
the items listed below.
• piping (check local cedes)
• sealant (resistant to propane/LP gas)
• manual shutoff valve *
• ground joint union
• test gauge connection * (see Figure 13,
page 10)
• sediment trap
• tee joint
• pipe wrench
• test gauge connection*
* An A.G.A. design-certified
manual shutoff
valve with 1/8" NPT tap is an acceptable
alternative
to test gauge connection.
Pur-
chase the optional
A.G.A. design-certified
manual shutoff valve from your dealer. See
Accessories,
page 18.
LOCATING
HEATER
This heater is designed to be mounted on a
wall.
_k WARNING: Maintain the mini-
mum clearances shown In Figure
4. ffyou can, provide greater clear-
ances from floor, ceiling, and join-
ing wall.
You can locate heater on floor, away from a
wall. An
optional
floor mounting stand is
needed. Purchase the floor mounting stand
from your dealer. See Accessories, page 18.
WARNING: Never install the
heater
• in a bedroom or 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 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 to-
bacco smoke, aromatic candles,
cleaning fluids, oil or kerosene
lamps, etc.) In the air exist, may
discolor walls.
IMPORTANT: Vent-free heaters add mots-
tare 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 Fresh Air for Com-
bustion and Ventilation, pages 4 through6.
CAUTION: If you Install the
heater in a home garage
• heater pilot and burner must
be at least 18 inches above
floor
• Iocete heater where moving ve-
hicle will not hit it
For conveniance andefficiency, install heater
• where there is easy access for operation,
inspection, and service
• in coldest part of room
An optional fan kit is available from your
dealer. See Accessories, page 18. If plan-
ning to use fan, locate heater near an electri-
cal outlet.
Minimum
="
to Top
FLOOa
Sudace
of Carpeting or
Other Combustible
Material
Figure4 - MountlngClearancesAs Viewed
From Front of Heater
Comin_d
104331
7

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