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111410-01C
For more information, visit www.desatech.com
For more information, visit www.desatech.com
12
A
U
T
O
O
F
F
O
N
CONNECTING TO GAS SUPPLY
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.
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, fireplace regu-
lator damage could occur. Install external regulator with the vent
pointing down as shown in Figure 20, page 13. Pointing the vent
down protects it from freezing rain or sleet.
WARNING: This appliance requires a 1/2" NPT
(National Pipe Thread) inlet connection to the pres-
sure regulator.
INSTALLATION
Continued
Figure 18 - Installing Blower Bracket Assembly
Figure 19 - Wiring Diagram For Fan Accessory Built-In Installation
Red
Red
Fan Switch
(Auto/Off/On)
Blue
Blue
Thermostat
Switch
(N.O.)
Green
White
Green
White
On
110/115
V.A.C.
Blower
Motor
Black
Off
1
2
3
Auto
Blower Bracket
Assembly
Screw
Wire
Harness
Power Cord
Blower
Control
Shield
Shield
Cover
Wire
Harness
Switch
Plate
Switch
Clamp Connector
(not included)
Outlet
Receptacle
Blue
Red
Strain
Relief
WARNING: Never connect natural gas fireplace to
private (non-utility) gas wells. This gas is commonly
known as wellhead gas.
INSTALLATION
Installing Blower Assembly - GA3450T (Cont.)
Connecting to Gas Supply
Installation Items
Before installing fireplace, make sure you have the items listed
below.
• external regulator - propane/LP only (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
• test gauge connection*
* 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 29.
Note:
If desired, purchase a four-sided trim kit for built-in
installations. See Accessories, page 29.
5. Test to make sure the blower is working properly.
6. Reinstall hood assembly (see pages 9 and 10) and close lower
louver door.
7. Place log set back on the unit.