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110148-01C
For more information, visit www.desatech.com
For more information, visit www.desatech.com
12
WARNING: This appliance requires a 1/2" NPT
(National Pipe Thread) inlet connection to the pres-
sure regulator.
WARNING: A qualified service person must con-
nect fireplace to gas supply. Follow all local codes.
CAUTION: Never connect propane/LP fireplace
directly to the propane/LP supply. This fireplace
requires an external regulator (not supplied). Install
the external regulator between the fireplace and pro-
pane/LP supply.
WARNING: Never connect natural gas fireplace to
private (non-utility) gas wells. This gas is commonly
known as wellhead gas.
INSTALLATION
Continued
INSTALLATION
Built-In Fireplace Installation (Cont.)
Installing Gas Piping to Fireplace Location
Mantel Clearances for Built-In Installation
If placing mantel above built-in fireplace, you must meet minimum
clearance between mantel shelf and top of fireplace opening.
Figure 20 - Minimum Mantel Clearances for Built-In Installation
Supplied Firebox
Hood Must Be
Used at All Times
Wire-mesh
Screen
Firebox
Noncombustible
Material May
Project Off this
Surface above
the Firebox Hood
Mantel Shelf
13" 16" 19" 21"
2
1
/2
"
6"
8"
10"
Note:
All vertical
measurements are
from top of fireplace
hood opening to bottom
of mantel shelf.
These minimum
clearances replace any
other recommended
clearances supplied with
your ANSI Z21.11.2
approved gas logs.
Wall board or facing
material (above
firebox) may be of
combustible material,
including decorative
mantel ornaments or
other similar projec-
tions off of the facing
material.
Framing
Material
INSTALLING GAS PIPING TO FIREPLACE
LOCATION
Installation Items Needed
Before installing fireplace, make sure you have the items listed below.
• external regulator for propane/LP unit only (supplied by installer)
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• equipment shutoff valve *
• test gauge connection *
• sediment trap (optional)
• tee joint
• pipe wrench
• approved flexible gas line with gas connector (if allowed by lo-
cal codes) (not provided)
* A CSA design-certified equipment shutoff valve with 1/8" NPT
tap is an acceptable alternative to test gauge connection. Purchase
the optional CSA design-certified equipment shutoff valve from
your dealer. See Accessories, pages 35 and 36.
For propane/LP units, the installer must supply an external regula-
tor. The external regulator will reduce incoming gas pressure. You
must reduce incoming gas pressure to between 11 and 14 inches of
water. If you do not reduce incoming gas pressure, heater regulator
damage could occur. Install external regulator with the vent point-
ing down as shown in Figure 21, page 13. Pointing the vent down
protects it from freezing rain or sleet.
NOTICE: If your installation does not meet the mini-
mum clearances shown, you must do one of the
following:
• raise the mantel to an acceptable height
• remove the mantel
NOTICE: Surface temperatures of adjacent walls and
mantels become hot during operation. Walls and
mantels above the firebox may become hot to the
touch. If installed properly, these temperatures meet
the requirement of the national product standard.
Follow all minimum clearances shown in this manual.