Desa GWN20TA Safety Information And Installation Manual page 8

INsTAllATIoN
Continued
INSTALLATION ITEMS
Before installing heater, make sure you have
the items listed below.
• for propane/LP gas, external regulator
(supplied by installer)
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• equipment shutoff valve *
• ground joint union
• sediment trap
• tee joint
• pipe wrench
• for natural gas, test gauge connection*
* A CSA design-certified equipment shutoff
valve with 1/8" NPT tap is an acceptable alter-
native to test gauge connection. The optional
CSA design-certified equipment shutoff valve
can be purchased from your dealer. See Ac-
cessories, page 26.
LOCATING HEATER
This heater is designed to be mounted on
a wall.
WARNING: Maintain the
minimum clearances shown
in Figure 4. If you can, provide
greater clearances from floor,
ceiling and joining wall.
You can locate heater on floor, away from a
wall. An optional floor mounting stand is need-
ed. Purchase the floor mounting stand from
your dealer. See Accessories, page 26.
WARNING: Never install the
heater
• in a bedroom or bathroom
• in a recreational vehicle
• where curtains, furniture,
clothing or other flammable
objects are less than 36" from
the front, top or sides of the
heater
• as a fireplace insert
• in high traffic areas
• in windy or drafty areas
8
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 moisture
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 Combustion and Ventila-
tion, page 5. If high humidity is experienced,
a dehumidifier may be used to help lower the
water vapor content in the air.
heater in a home garage
• heater pilot and burner must
be at least 18" above floor
• locate heater where moving
vehicle will not hit it
For convenience and efficiency, 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 26. If planning
to use fan, locate heater near an electrical
outlet.
Minimum
From
Sides Of
Heater
Figure 4 - Mounting Clearances As
www.desatech.com
CAUTION: This heater cre-
CAUTION: If you install the
CEILING
6"
Left
Side
FLOOR
Viewed From Front of Heater
36"
Minimum
Right
Side
Minimum To
Top Surface
Of Carpeting,
2" Tile Or Other
Combustible
Material
119344-01B