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For more information, visit www.desatech.com
For more information, visit www.desatech.com
12
INSTALLATION
Continued
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, pages 15 through 17).
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 12). If installing in a brick-bot-
tom fireplace, mark screw locations in mortar joint of bricks.
8. Remove heater base from fireplace. If installing optional con-
trol accessories, do so at this time. Follow all directions pro-
vided with accessory.
9. Drill holes at marked locations using 3/16" drill bit.
10. Attach base assembly to fireplace floor using two masonry
screws (in hardware package).
Figure 12 - Attaching Base Assembly to Fireplace Floor (Base
Assembly Will Vary According to Model)
Masonry
Screw
Mounting
Flanges
CONNECTING TO GAS SUPPLY
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 heater to gas supply. Follow all local codes.
CAUTION: For propane/LP gas, never connect
heater directly to the propane/LP supply. This heater
requires an external regulator (not supplied). Install
the external regulator between the heater and pro-
pane/LP supply.
Installation Items Needed
Before installing heater, make sure you have the items listed below.
• external regulator for propane/LP only (supplied by installer)
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• equipment shutoff valve *
• test gauge connection *
• sediment trap
• tee joint
• pipe wrench
* 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, page 38.
For propane/LP only, the installer must supply an external regulator.
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 pointing down as
shown in Figure 13, page 13. Pointing the vent down protects it from
freezing rain or sleet.
WARNING: For natural gas, never connect heater
to private (non-utility) gas wells. This gas is com-
monly known as wellhead gas.
CAUTION: Use only new, black iron or steel pipe.
Internally-tinned copper tubing may be used in certain
areas. Check your local codes. Use pipe of 1/2" diam-
eter or greater to allow proper gas volume to heater. If
pipe is too small, undue loss of volume will occur.
INSTALLATION
Installing Heater Base Assembly (Cont.)
Connecting To Gas Supply