www.desatech.com
119421-01E
12
Chimney
Minimum Permanent
Height
Flue Opening
6' to 15'
39 sq. inches
15' to 30'
29 sq. inches
If reasons number 1 or 2 apply to you, you
must permanently open chimney flue damper.
You must install the damper clamp accessory
(to order, see
Accessories,
page 25). This
will insure vented operation (see Figure 10).
The damper clamp will keep damper open.
Installation instructions are included with
clamp accessory.
See chart below for minimum permanent flue
opening you must provide. Attach damper
clamp so the minimum permanent flue open
-
ing will be maintained at all times.
INSTALLATION
Continued
INSTALLING HEATER BASE
ASSEMBLY
CAUTION: Do not remove the
data plates attached to the heater
base assembly. The data plates
contain important warranty and
safety information.
WARNING: If installing in a
sunken fireplace, special care
is needed. You must raise the
fireplace floor to allow access
to heater control panel. This
will insure adequate air flow
and guard against sooting and
controls being damaged. Raise
fireplace floor with noncombus-
tible material. Make sure material
is secure.
WARNING: You must secure
this heater to fireplace floor. If
not, heater will move when you
adjust controls. Moving heater
may cause a gas leak.
CAUTION: Do not pick up
heater base assembly by the
burner. This could damage
heater. Only handle base as-
sembly by grates.
IMPORTANT:
Make sure the heater burners
are level. If heater is not level, heater will not
work properly.
Installation Items Needed
• hardware package (provided with heater)
• approved flexible gas hose (not provided)
(if allowed by local codes)
• sealant resistant to propane (propane/LP)
gas, not provided
• electric drill with 3/16" drill bit
• flathead screwdriver
1. Apply pipe joint sealant lightly to male
threads of the fitting to be threaded into
gas regulator. Connect approved flexible
gas hose to gas regulator of heater (see
Figure 11).
IMPORTANT:
Hold gas regulator with
wrench when connecting flexible gas hose.
2. Locate masonry screws in hardware
package.
3.
Position heater base assembly in fireplace.
4. Place logs in their proper position on heater
base, see
Installing Logs
on page 15.
5. Center heater base and logs front-to-back
and side-to-side in fireplace.
6. Carefully remove logs without moving
heater base.
Area of Various Standard
Round Flues
Diameter
Area
5"
20 sq. inches
6"
29 sq. inches
7"
39 sq. inches
8"
51 sq. inches
Figure 11 - Attaching Flexible Gas Hose
to Heater Gas Regulator
Heater Gas
Regulator
Flexible Gas Hose
(if allowed by local codes)
Fitting
