Desa Ga3750a User Manual

INSTALLATION INSTRUCTIONS

GA3750A BLOWER ACCESSORY

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For Use With: Fireboxes: (NL)FB32C, (NL)FB36C, FB42C, (NL)UV32C, CGFB32C, and CGFB36C Series Vent-Free Fireplaces: VSGF28, VYGF33, VTGF33, VCGF30, VSGF33, FPV33, CGFP28, LFP33 Series,

and (CG)EFP33 Series Direct-Vent Fireplaces: (E)BDV, BHDV, DVF(E)34, DVFH34, CDV, and CHDV Series Stoves: CSDBN, SDVB, MSDVB MSTD, CDV, S39T, and S26T Series

WARNING: ELECTRICAL GROUNDING INSTRUCTIONS This appliance is equipped with a three-prong (grounding) plug for your protection against shock hazard and should be plugged directly into a properly grounded three-prong receptacle.

(Check your appliance owner’s manual for specific applications and additional instructions.)

Parts included with this kit:

Part No. Description Quantity

Blower with speed control and 6-foot cord. 1

Instruction Sheet 1 103650-01 Control Knob 1 103651-01 Lock Nut 1 M11084-38 #8 x 3/8" sheet metal screws 5 101629-01 Plastic Hole Bushings 2 101584-05 Wiring Diagram Decal 1

Tools Required

• Pliers

• Phillips Screwdriver

If any of these pieces are missing or damaged, or if the installation instructions for your fireplace or stove are not included in this manual, contact the dealer where you purchased this kit or DESA at 1-866-672-6040 for referral information.

Save this manual for future reference.

INSTALLING BLOWER ACCESSORY IN A 32" FIREBOX

2

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 installation. 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 using 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 terminals 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 opening in the lower right side of the firebox front panel (see Figure 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 until it is tight against front panel. Place control knob provided on shaft (see Figure 3).

9. Plug in blower power cord. a. If your fir ebox 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 11/2" 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 fir ebox installation is r ecessed and/or pr e-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.

Exhaust Port

Screw

Figure 2 - Mounting Blower to Firebox

Note:

Appearance of fireplace may vary by model.

Lower Rear Wall of Firebox Wrapper

Top Mounting Tab

Screws

Blower

Floor Supports

Plastic Hole Plug

Screws

Figure 1 - Removing Screws from Firebox Bottom

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Speed Control

Control Knob

Figure 3 - Attaching Speed Control

Control Shaft

Lock Nut

Plastic Bushing

Figure 4 - Installing Plastic Bushing for Power Cord

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INSTALLING BLOWER ACCESSORY IN A 32" FIREBOX

INSTALLING BLOWER ACCESSORY IN 36" OR 42" FIREBOX

INSTALLING BLOWER ACCESSORY IN A 32" FIREBOX

Continued

3

10. Turn on power to duplex outlet if previously turned off per the warning in step 1, page 2.

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.

12. Peel off the backing paper and stick the supplied wiring diagram decal on the firebox bottom approximately 12" in front of the blower.

13. Replace bottom of firebox. firebox bottom slides under the rear of the firebrick (lift the firebrick up if necessary.)

14. Reattach firebox bottom using 4 screws removed in step 1, page 2.

15. Install the log set heater according to the installation instructions supplied with the heater.

Note:

Discard the remaining hardware items.

Note:

Make sure the back of the

OPERATING THE BLOWER

Light your gas appliance with the blower off. After about 15 minutes, turn the blower on to deliver heated air at the top louvers. The blower features a variable control which allows you to select the speed you desire.

Note:

Periodically check the louvers of the firebox and remove any

dust, dirt or other obstructions.

d.Carefully lift and remove the concrete firebrick floor from

the firebox if installed (see Figure 5).

2. Remove the firebox bottom. a. Remove the 4 screws that secure the bottom of the firebox

(see Figure 8).

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 the blower installation. Failure to do this may result in serious injury.

3. 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.

Retainer Bracket

Screw

INSTALLING BLOWER ACCESSORY IN 36" OR 42" FIREBOX

NOTICE: If a log set is 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 depending on model.

1. If firebrick is installed, carefully lift and remove the concrete firebrick floor from the firebox (see Figure 5). Some model fireboxes require that you remove the side and rear panels first. Follow the directions below to remove the side and rear firebrick panels for those fireboxes. a. Using a Phillips screwdriver, remove the screw and retainer

bracket at the top of the brick liner panel on the left side. Carefully remove the left panel from the firebox (see Figure 6).

b. Repeat the removal steps for the brick liner panel on the

right side.

c. Remove the screw and retainer bracket at the top of the brick

liner panel at the rear of the firebox. let panel fall after bracket has bee removed. Carefully remove the rear panel from the firebox (see Figure 7).

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108319-01B

IMPORTANT:

Do not

Firebrick Floor

Figure 5 - Removing Firebrick Floor from Firebox

Screw

Back Panel

Figure 7 - Removing Back Panel from Firebox

Retainer Bracket

Left Panel

Figure 6 - Removing Left Panel from Firebox

Screws

Figure 8 - Removing Firebox Bottom

INSTALLING BLOWER ACCESSORY IN 36" OR 42" FIREBOX

4

INSTALLING BLOWER ACCESSORY IN 36" OR 42" FIREBOX

Continued

4. Attach green ground wire from power cord to blower housing using screw provided (see Figure 9). Tighten screws securely.

5. Place the blower against the lower rear wall of the firebox outer wrapper with the exhaust port directed upward. Align the holes in top mounting tabs of blower with holes in wall of wrapper (see Figure 9). Using 2 screws provided, mount blower and tighten screws securely.

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

7. Locate the plastic hole plug installed in the 3/8" diameter opening in the lower right side of the firebox front panel (see Figure 10). Remove the plastic plug and discard.

Exhaust Port

Top Mounting Tab

Lower Rear Wall of Firebox Wrapper

8. Place speed control against inner wall of front panel, pushing the plastic control shaft forward through the opening.

9. While supporting speed control, secure control shaft with lock nut by pushing and turning lock nut with pliers clockwise until it is tight against front panel. Place control knob provided on shaft (see Figure 11).

10. Turn on power to duplex outlet if previously turned off per the warning in column 2, page 3.

11. Plug in blower power cord. a. If your firebox 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 1/2" hole in the floor support on the exit side. Install the second plastic bushing provided into the 11/2" hole in the outer casing through which the power cord will exit (see Figures 10 and 12). Route power cord through both plastic bushings and plug the power cord into a wall receptacle near the firebox.

Speed Control

Screw

Screws

Blower

Figure 9 - Mounting Blower to Firebox

Plastic Bushing

1 1/2" Hole Plastic Hole Plug

Figure 10 - Installing Plastic Bushing for Power Cord

Control Shaft

Control Knob

Locknut

Figure 11 - Attaching Speed Control to Firebox

Floor Supports

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Wiring Diagram Decal 12" in Front of Blower

Figure 12 - Location of Wiring Diagram Decal

1

/2" Hole

1

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;;;;;;;;;;;;;;;;;

INSTALLING BLOWER ACCESSORY IN 36" OR 42" FIREBOX

INSTALLING BLOWER ACCESSORY IN MODEL SVFBC FREESTANDING STOVE

5

INSTALLING BLOWER ACCESSORY IN 36" OR 42" FIREBOX

Continued

b.If your fir ebox installation is r ecessed and/or pr e-wired,

plug the power cord into the duplex outlet provided. Refer to your firebox owner’s manual for instructions on wiring the duplex outlet.

12. 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 of f by turning knob fully counter-clockwise before continuing.

CAUTION: Never touch the blower wheel while in

operation.

13. Peel off the backing paper and stick the supplied wiring diagram decal on the firebox bottom approximately 12" in front of the blower (see Figure 12, page 4).

14. Replace and reattach firebox bottom using 4 screws removed in step 2 (see Figure 8, page 3).

15. If previously removed, carefully replace the firebrick side panels and/or floor in the firebox (see Figures 5-7, page 3).

16. Install the log set heater according to the installation instructions supplied with the heater.

WARNING: A qualified service person must install

heater. Follow all local codes.

INSTALLING BLOWER ACCESSORY IN MODEL SVFBC FREESTANDING STOVE

NOTICE: Shut off gas heater during the following blower installation.

1. Remove the 2 screws and blower mounting bracket from the rear bottom of the stove cabinet (see Figure 13).

2. Locate the plug button installed in the 10 mm diameter opening in the front of the lower right side panel of the stove cabinet (see Figure 14). Remove the plug button and discard.

3. Place speed control against inner wall of the pedestal, pushing the plastic control shaft through the opening.

4. While supporting speed control, secure control shaft with lock nut by pushing and turning lock nut with pliers clockwise until it is tight against side panel. Place control knob provided on shaft (see Figure 15).

Screws

Blower

Variable Fan Switch

Off

On

Blower

110/115

Black

Motor

V.A.C.

Black

WhiteWhite

Green

Wiring Diagram

Figure 13 - Location of Blower Mounting Bracket and Screws

Mounting Bracket

Note:

Discard the remaining hardware items.

OPERATING THE BLOWER

Light your gas appliance with the blower off. After about 15 minutes, turn the blower on to deliver heated air at the top louvers. The blower features a variable control which allows you to select the speed you desire.

Note:

Periodically check the louvers of the firebox and remove any

dust, dirt, or other obstructions.

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108319-01B

Plug Button

Figure 14 - Location of Plug Button

Speed Control

Control Shaft

Lock Nut

Control Knob

Figure 15 - Attaching Speed Control

INSTALLING BLOWER ACCESSORY IN MODEL SVFBC FREESTANDING STOVE INSTALLING BLOWER ACCESSORY IN 32" FIREPLACE SYSTEMS

6

INSTALLING BLOWER ACCESSORY IN MODEL SVFBC FR

EESTANDING STOVE

Continued

5. 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.

6. Attach green ground wire from power cord to blower housing using screw provided (see Figure 16). Tighten screws securely .

7. Place the blower on the mounting bracket with the exhaust port directed upward. Align the holes in blower frame with holes in bracket (see Figure 16). Using 4 screws provided mount blower and tighten each screw .

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

9. Reattach motor mounting bracket using screws removed in step 1, page 5.

10. Plug in power cord. This blower is supplied with a 3-prong, grounding plug. It must be plugged into a standard 3-prong grounded wall outlet near the stove.

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 counter-clockwise before continuing.

INSTALLING BLOWER ACCESSORY IN 32" FIREPLACE SYSTEMS

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

Note

: Appearance of firebox or burner system may vary depending

on model.

1. Remove fireplace screen per the instructions in operation manual supplied with fireplace.

2. If logs are installed, carefully remove the logs and set aside, noting the properly mounted location of each.

3. Remove screws that attach log base assembly to fireplace. Carefully lift up log base assembly and remove from fireplace, taking care to pull flexible gas line through the access holes (see Figure 17).

CAUTION: Do not pick up log base assembly by burners. This could damage burners. Only handle base by grates.

4. 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.

5. Attach green ground wire from power cord to blower housing using screw provided (see Figure 18). Tighten screws securely.

CAUTION: Never touch the blower wheel while in

operation.

12. Peel off the backing paper and stick the supplied wiring diagram decal on the back of the blower mounting bracket (see Figure 13, page 5).

Note:

Discard the remaining hardware items.

Exhaust Port

Blower

Ground Wire

Figure 16 - Attaching Blower to Mounting Bracket

Screws

Mounting Bracket

OPERATING THE BLOWER

Light your gas appliance with the blower off. After about 15 minutes, turn the blower on to deliver heated air at the top louvers. The blower features a variable control which allows you to select the speed you desire.

Screws

Log Base

Figure 17 - Removing Log Base from Fireplace

Exhaust Port

Screw

Green Ground Wire

Figure 18 - Mounting Blower to Firebox

Top Mounting Tab

Screws

Blower

Lower Rear Wall of Firebox

Flexible Gas Line

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108319-01B

INSTALLING BLOWER ACCESSORY IN 32" FIREPLACE SYSTEMS

Continued

6. Place the blower against lower rear wall of firebox outer wrapper 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 terminals 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). 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 plastic 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 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 make all electrical connections.

Left Floor Support Bracket

Speed Control

Screws

Note:

Some

7

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.

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

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 improper and dangerous operation. Verify proper operation after servicing.

Variable

Fan Switch

Plastic Bushing

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Wiring Diagram

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Control Knob

Control Shaft

Figure 19 - Attaching Speed Control to Firebox

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108319-01B

110/115

V.A.C.

Black Green

120 Vac. 60 Hz. . 78 Amps DESA, Bowling Green, KY

Black

On

Black

WhiteWhite

Blower

Motor

101584-05

Off

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

INSTALLING BLOWER ACCESSORY IN 32" FIREPLACE SYSTEMS INSTALLING BLOWER ACCESSORY IN FREESTANDING STOVE SERIES

8

SDV, MSD, MSTD, CDV OR CSDBN

INSTALLING BLOWER ACCESSORY IN 32" FIREPLACE SYSTEMS

Continued

13. Replace log base assembly in fireplace. Feed flexible gas supply line into fireplace base area while replacing log base assembly. Make sure the entire flexible gas line is in fireplace base area. the firebox bottom slides under the rear panel of the firebrick (lift the firebrick up if necessary).

IMPORTANT:

This could damage burners. Only handle base by grates.

14. Reattach log base assembly to fireplace with screws removed in step 3, page 5.

15. Install logs and fireplace screen per instructions in operating manual provided with fireplace.

WARNING: Failure to position the parts in accordance with supplied diagrams or failure to use only parts specifically approved with this heater may result in damage or personal injury.

16. Connect gas supply to fireplace per instructions in operating manual provided with fireplace.

WARNING: A qualified service person must con-

nect fireplace to gas supply. Follow all local codes.

Note:

If firebrick is installed, make sure the back of

Do not pick up log base assembly by burners.

Note:

Discard the remaining hardware items.

INSTALLING BLOWER ACCESSORY IN FREESTANDING STOVE SERIES SDV, MSD, MSTD, CDV OR CSDBN

IMPORTANT:

fore installing blower.

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

INSTALLING THE BLOWER

1. Remove 4 hex bolts securing rear cover to back of stove body (see Figure 22).

2. Separate bottom cover from rear cover by loosening the 8 mounting screws (see Figure 22).

3. Align the holes in the top mounting tabs of blower with the holes in wall of rear cover (see Figure 23, page 9). Using the 4 screws provided, mount blower and tighten screws securely.

4. 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.

5. Attach green ground wire from power cord to blower housing using screw provided (see Figure 23, page 9). Tighten screw securely.

Read all installation instructions be-

OPERATING THE BLOWER

Light your gas appliance with the blower off. After about 15 minutes, turn the blower on to deliver heated air at the top louvers. The blower features a variable control which allows you to select the speed you desire. box and remove any dust, dirt, or other obstructions.

Note:

Periodically check the louvers of the fire-

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Rear Cover

(Note:

May Vary by Model)

Figure 22 - Removing/ Installing Rear Cover

Screw

Stove Body

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INSTALLING BLOWER ACCESSORY IN FREESTANDING STOVE SERIES

INSTALLING BLOWER ACCESSORY IN FREESTANDING STOVE SERIES SDV, MSD, MSTD, CDV OR CSDBN

Continued

6. Make sure all wire connections to terminals on blower motor are securely attached and that the screw retaining the green ground wire is tight.

7. Place speed control on left inside of rear cover and push the plastic control shaft through opening (see Figure 23).

8. While supporting speed control, secure control shaft with lock nut by pushing and turning lock nut with pliers clockwise until tight against the side of rear cover. Place control knob provided onto shaft (see Figure 23).

9. Plug in blower power cord.

10. 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.

Blower Control Knob

Control Shaft

Speed Control

Rear Cover

Power Cord

9

SDV, MSD, MSTD, CDV OR CSDBN

CAUTION: Never touch the blower wheel while in

operation.

13. Peel off the backing paper and stick the supplied wiring diagram decal on the inside of rear cover as shown (see Figure 23).

14. Connect or reconnect gas supply following instructions given in the owner’s manual supplied with your fireplace.

WARNING: A qualified service person must con-

nect fireplace to gas supply. Follow all local codes.

15. Reattach bottom cover to rear cover with 8 screws (see Figure 22, page 8). Make sure that you don’t pinch any wires during reassembly.

16. Secure rear cover to back of stove chassis (see Figure 22, page 8).

17. Plug in the power cord when ready to use.

WARNING: Failure to position the parts in accordance with supplied diagrams or failure to use only parts specifically approved with this heater may result in damage or personal injury.

9

Lock Nut

Blower Assembly

Green Ground Wire

Figure 23 - Installing Optional Blower Accessory

Wiring Diagram Decal

Exhaust Port

Screw

Mounting Screws (Included in Hardware Pack)

Blower Assembly

OPERATING THE BLOWER

Light your gas appliance with the blower off. After about 15 minutes, turn the blower on to deliver heated air through the openings in the top of the stove body. The blower features a variable control which allows you to select the speed you desire.

The blower helps distribute heated air from the fireplace. Periodically check the openings of the stove top and remove any dust, dirt, or other obstructions that will hinder the flow of air.

108319-01B

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10

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

IMPORTANT:

fore installing blower.

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

IMPORTANT

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 until 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 fire place system is installed as a fr eestanding 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 second 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.

Read all installation instructions be-

: For clarity, gas valve assembly and grate/burner

b.If your fireplace system installation is recessed and/or

pre-wired, a qualified installer must make all electrical connections 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

Figure 24 - Mounting Blower to Firebox

Speed Control

Control Shaft Locknut

Control Knob

Figure 25 - Attaching Speed Control to Firebox

Switch Plate

Lower Louver Panel

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108319-01B

INSTALLING BLOWER ACCESSORY IN DIRECT-VENT FIREPLACE SERIES

BHDV, (E)BDV, DDV, HDV, CDV, CHDV, DVF(E), OR DVFH

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

Continued

12. Peel off the backing paper and stick the supplied wiring diagram decal on the outer casing bottom approximately 3" to the right of the blower speed control (Figure 26).

WARNING: Failure to position the parts in accordance with supplied diagrams or failure to use only parts specifically approved with this heater may result in damage or personal injury.

11

13. Connect or reconnect gas supply following instructions given in the owner's manual supplied with your fireplace.

WARNING: A qualified service person must con-

nect fireplace to gas supply. Follow all local codes.

Wiring Diagram Decal

Figure 26 - Installing Plastic Bushing for Power Cord and Locating Wiring Diagram Decal

Plastic Bushing

108319-01B

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12

2701 Industrial Drive, P.O. Box 90004 Bowling Green, KY 42102-9004 Technical Service Department 1-866-672-6040

www.desatech.com

108319 01

NOT A UPC

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108319-01 REV. B 09/03

108319-01B

Desa Ga3750a User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual