Installing Blower Accessory in a 32 Firebox | Desa Ga3750a specification

INSTALLING BLOWER ACCESSORY IN A 32" FIREBOX

NOTICE: If a log set is currently installed in the firebox, disconnect log set from gas supply and remove from firebox. Contact a qualified service person to do this.

Note: Appearance of firebox may vary slightly depending on model.

1.Remove the firebox bottom:

a.Remove the 4 screws that secure the bottom of the firebox (see Figure 1).

b.Carefully raise and remove the firebox bottom from the firebox.

WARNING: If there is a duplex electrical outlet installed in the right side of the bottom of the fireplace base area, be sure that the electrical power to the outlet is turned off before proceeding with blower installa- tion. Failure to do this may result in serious injury.

2.Attach the power cord to the blower motor by firmly pushing the two female terminals at the end of the power cord onto the two spade terminals on the blower motor.

3.Attach green ground wire from power cord to blower housing us- ing screw provided (see Figure 2). Tighten screws securely.

4.Place the blower against lower rear wall of firebox wrapper with the exhaust port directed upward. Align the holes in top mounting tabs of blower with holes in wall of wrapper (see Figure 2). Using 2 screws provided, mount blower and tighten screws securely.

5.Be certain that all wire terminals are securely attached to ter- minals on blower motor and that the screw retaining the green ground wire is tight.

6.Locate the plastic hole plug installed in the 3/8" diameter open- ing in the lower right side of the firebox front panel (see Fig- ure 2). Remove the plastic plug and discard.

7.Place speed control against inner wall of front panel, pushing the plastic control shaft forward through the opening (see Figure 3).

8.While supporting speed control, secure control shaft with lock nut by pushing and turning lock nut with pliers clockwise un- til it is tight against front panel. Place control knob provided on shaft (see Figure 3).

9.Plug in blower power cord.

a.If your firebox is installed as a freestanding unit, determine whether the power cord will exit the left side or the right side of the firebox. Install 1 plastic bushing provided into the 1 1/2" hole in the floor support on the exit side. Install the second plastic bushing provided into the 1 1/2" hole in the outer casing through which the power cord will exit (see Figure 4). Route power cord through both plastic bushings and plug the power cord into a 3-prong grounded wall receptacle near the firebox.

b.If your firebox installation is recessed and/or pre-wired, plug the power cord into the duplex outlet provided. Refer to your firebox owner’s manual for instructions on wiring the duplex outlet.

CAUTION: Never touch the blower wheel while in operation.

Lower Rear Wall

Exhaust Port	of Firebox Wrapper
	of Firebox Wrapper
	Top
	Mounting
	Tab
Screw
	Screws
	Floor
	Blower Supports

Plastic

Hole Plug

Figure 2 - Mounting Blower to Firebox

Note: Appearance of fireplace may vary by model.

Speed Control

Control Shaft

Lock

Nut

Plastic Bushing

Figure 1 - Removing Screws from Firebox Bottom

Control

Knob

Figure 3 - Attaching Speed Control

Figure 4 - Installing Plastic Bushing for Power Cord

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Ga3750a specifications

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