Installing Thermostatic Blower Accessory

UNVENTED NATURAL GAS FIREPLACE

INSTALLATION

Continued

NOTICE: Shut-off gas supply and disconnect heater from gas sup- ply if installing blower in previ- ously installed fireplace. Contact a qualified service person to do this.

1.If fireplace screen and floor are still installed, see Removing Fireplace Screen and Floor Assembly, page 8.

2.Using screw provided, attach green ground wire from speed control cord to blower housing.Tighten screw se- curely (see Figure 18).

3.Place the blower against lower rear wall of firebox outer wrapper with the ex- haust port directed upward. Align the holes in top mounting tabs of blower with holes in wall of wrapper (see Fig- ure 19). Using two #8 screws provided, mount blower and tighten screws firmly.

Thermostatic Switch

and Cover Assembly

4.Remove the three screws (do not dis- card) and cover plate from center of firebox wrapper rear wall. Discard this cover plate (see Figure 18).

5.Mount the supplied thermostatic switch and cover assembly into firebox wrap- per wall. Do this by feeding terminal ends of wire harness into the hole. Al- low wires to fall to bottom of firebox cavity (see Figure 18).

6.Using three screws from step 7, attach switch and cover assembly to firebox wrapper rear wall. Tighten screws firmly (see Figure 18).

7.Firmly attach red wire from the ther- mostatic switch and cover assembly to either of the terminals on the blower motor (see Figure 18).

8.Firmly attach black wire from speed con- trol cord to blue wire from thermostatic switch and cover assembly (see Figure 18).

9.Firmly attach white wire from speed control cord to remaining terminal on blower motor (see Figure 18).

10.Place control knob provided on plastic control shaft of speed control (see Fig- ure 20).

Lower

Rear Wall

of Firebox

Blower

11.Mount the speed control onto the front leg of the left floor support bracket us- ing 2 screws provided (see Figure 20).

WARNING: Failure to connect all wires properly as indicated may cause electrical short circuit or personal injury. A qualified electrician should check that all connections are made properly.

12. Plug in blower power cord.

a. If your firebox is installed as a free-

standing unit with an accessory

mantel, determine whether the power

cord will exit the left side or the right

side of the firebox. Install one plastic

bushing provided into the 1 1/2" hole

in the floor support on the exit side.

Install the second bushing provided

into the 1 1/2" hole in the outer casing

through which the power cord will

exit (see Figures 21 and 22, page 13).

Route power cord through plastic

bushings and plug the power cord into

a properly grounded three-prong wall

receptacle near the firebox.

b. If your fireplace system installation

is recessed and if an outlet is not

installed in your fireplace, you must

install the GA3555 Outlet kit with

cover in your fireplace which will

supply a convenient 3-prong

grounded electrical outlet for your

blower. Refer to the installation

manual provided with the model

GA3555 accessory for instructions on

wiring the duplex outlet.

Note: A qualified installer must

		Blue
	Black	Wire
	Black	Red
	Wire	Red
	Wire	Wire
		Wire
	White
	Wire
		Green
		Wire

#8 Screws

Exhaust

Port

Top

Mounting

Tab

make all electrical connections.

Floor

Support

Bracket

Speed

Control

Screws

Control Knob

Speed Control

Figure 19 - Mounting Blower to Firebox

Figure 18 - Installing Switch and Cover

Assembly, and Speed Control

Figure 20 - Attaching Speed Control

For more information, visit www.desatech.com

107569

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