Panel | Desa Ga3750a manual

INSTALLING BLOWER ACCESSORY IN DIRECT-VENT FIREPLACE SERIES BHDV, (E)BDV, DDV, HDV, CDV, CHDV, DVF(E), OR DVFH

IMPORTANT: Read all installation instructions be- fore installing blower.

NOTICE: Shut off gas supply and disconnect heater from gas supply. Contact a qualified service person to do this.

IMPORTANT: For clarity, gas valve assembly and grate/burner assembly are not shown in Figures 24 and 25. They will, however, be in your fireplace when you are installing the blower. Also for clarity the firebox is shown with dotted lines.

1.Open lower louver panel as shown in Figure 24.

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 using screw provided (see Figure 24). Tighten screw securely.

4.Place the blower under the firebox and against the lower rear wall of firebox outer wrapper with the exhaust port directed upward. Align the holes in the top mounting tabs of blower with holes in wall of wrapper (see Figure 24). Using the two screws provided, mount blower and tighten screws securely.

5.Be sure all wire terminals on blower are attached securely. Make sure the screw retaining the green wire is tight.

6.Remove screws securing the plate containing the ON/OFF switch to the bottom of the firebox and set aside.

7.Place speed control against the back of this plate and push the plastic control shaft through opening (see Figure 25).

8.While supporting speed control, secure control shaft with lock nut by pushing and turning lock nut with pliers clockwise un- til tight against the plate. Place control knob (provided) onto shaft (see Figure 25).

9.Replace plate containing switches and tighten screws securely.

10.Plug in blower power cord.

a.If your fireplace system is installed as a freestanding 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 outer casing through which the power cord will exit. Install the sec- ond plastic bushing (provided) into the floor support bracket if exiting through the right side (see Figure 26, page 11). Route power cord through (both) plastic bushing(s) and plug the power cord into a properly grounded 3-prong wall receptacle near the firebox.

b. If your fireplace system installation is recessed and/or pre-wired, a qualified installer must make all electrical con- nections for the outlet kit included with the fireplace.

11.Check to make sure that the power cord is completely clear of the blower wheel and that there are no other foreign objects in blower wheel. Turn blower on and check for operation. Turn blower off by rotating knob fully counterclockwise before continuing.

CAUTION: Never touch the blower wheel while in operation.

Lower Rear

Wall of

Firebox

Wrapper

Exhaust Port

Screw

Green

Ground Wire

Blower Assembly

Screws	Lower Louver
	Panel

Figure 24 - Mounting Blower to Firebox

Speed Control

Control Shaft

Locknut

	Control	Switch
	Knob
		Plate

Figure 25 - Attaching Speed Control to Firebox

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Ga3750a specifications

Desa GA3750A is a state-of-the-art technological solution designed for enhanced gas management in various applications. Built with user-friendly features and advanced mechanics, the GA3750A stands out in the market for its efficiency and reliability.

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Overall, the Desa GA3750A embodies a blend of advanced technology and practical features, making it an essential tool for gas management in industrial and commercial settings. With its focus on efficiency, durability, and safety, the GA3750A is a market leader that meets the demands of modern applications effectively.