Desa Ga3750a installation instructions Installing Blower Accessory In Fireplace Systems, Continued

Models: Ga3750a

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10.Plug in blower power cord.

INSTALLING BLOWER ACCESSORY IN 32" FIREPLACE SYSTEMS

7

INSTALLING BLOWER

ACCESSORY IN 32"

FIREPLACE SYSTEMS

Continued

6.Place the blower against lower rear wall of firebox outer wrap- per with the exhaust port directed upward. Align the holes in top mounting tabs of blower with holes in wall of wrapper (see Figure 18, page 6). Using 2 screws provided, mount blower and tighten screws securely.

7.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.

8.Place control knob provided on plastic control shaft of speed control.

9.Mount the speed control on the front leg of the left floor support bracket using 2 screws provided (see Figure 19). Note: Some remote ready fireplace models have the gas control located near the left floor support bracket. For these models, mount the blower speed control onto the right floor support bracket.

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 1 plastic bushing provided into the 1.5" hole in the floor support bracket on the exit side (see Figure 20). Install the second plas- tic bushing provided into the 1.5" hole in the outer casing through which the power cord will exit. Route power cord through both plastic bushings 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 if an outlet is not installed in your fireplace, you must install the GA3555 Outlet kit with cover in your fireplace which will sup- ply 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 make all electrical connections.

Left Floor

Support

Bracket

Speed Control

Screws

Control

KnobControl

Shaft

Figure 19 - Attaching Speed Control to Firebox

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.

Manual background CAUTION: Never touch the blower wheel while in operation.

12.Peel off the backing paper and stick the supplied wiring diagram decal on the firebox bottom approximately 3" to the right of the blower speed control (Figure 21).

Right Floor

Support Bracket

Plastic

Bushing

Figure 20 - Installing Plastic Bushing for Power Cord

WARNING: Never attempt to service heater while it

 

is plugged in, operating, or hot. Burns and electrical

 

shock could result. Only a qualified service person

 

should service or repair heater.

 

If any of the original wire as supplied with the appliance must be

 

replaced, it must be replaced with 105° C wire or it’s equivalent.

 

WARNING: Label all wires prior to disconnection

 

when servicing controls. Wiring errors can cause im-

Wiring

proper and dangerous operation. Verify proper opera-

tion after servicing.

Diagram

Variable

 

Fan Switch

 

 

 

Off

Black

On

110/115

 

Black

Blower

V.A.C.

Black

 

 

Motor

 

 

 

Black

 

Green

 

 

 

 

 

White

White

120 Vac. 60 Hz. . 78 Amps

 

 

 

 

 

 

 

 

 

 

101584-05

DESA, Bowling Green, KY

Figure 21 - Location of Wiring Diagram Decal 3" from Blower

Manual backgroundManual backgroundManual backgroundManual backgroundFor more information, visit www.desatech.com

108319-01B

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Desa Ga3750a Installing Blower Accessory In Fireplace Systems, Continued, Plug in blower power cord