www.cuiheat.com
126344-01A
12
INSTALLING HEATER BASE
ASSEMBLY
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 or log
misplacement.
INSTALLATION
Continued
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
31). This will insure vented operation (see
Figure 9). The damper clamp will keep damper
open. Installation instructions are included
with clamp accessory.
Chimney
Height
Minimum Permanent
Flue Opening
6' to 15'
39 sq. in.
15' to 30'
29 sq. in.
Figure 9 - Attaching Damper Clamp
Damper
Clamp
Manufactured Fireplace
Masonry Fireplace
Damper
Clamp
Area of Various Standard
Round Flues
Diameter
Area
5"
20 sq. in.
6"
29 sq. in.
7"
39 sq. in.
8"
51 sq. in.
Damper
Damper
Damper
See chart for minimum permanent flue open
-
ing you must provide. Attach damper clamp so
the minimum permanent flue opening will be
maintained at all times.
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 in
-
sure adequate air flow and guard
against sooting and controls
being damaged. Raise fireplace
floor with noncombustible mate
-
rial. Make sure material is secure.
CAUTION: Do not pick up
heater base assembly by burn
-
ers. This could damage heater.
Only handle base assembly 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 and fittings (if
allowed by local codes) (not provided)
• sealant (resistant to propane/LP gas, not
provided)
• electric drill with 3/16" drill bit (metal or
masonry as applicable)
• flathead screwdriver
• pipe wrench
1. Connect approved flexible gas hose to
gas control fitting in heater (see Figure
10, page 13).
IMPORTANT:
Hold gas fitting with wrench
when connecting flexible gas hose
.
2. Locate two masonry screws in hardware
package.
3. Place heater base in fireplace.
4. Place logs in their proper position on heater
base (see
Installing Logs
, page 16).
5. Center heater base and logs front-to-back
and side-to-side in fireplace.
6. Carefully remove logs without moving
heater base.
7. Mark screw locations through one hole on
each side of the mounting bracket (see
Figure 11, page13). If installing in a brick-
bottom fireplace, mark screw locations in
mortar joint of bricks.
