DESA TECH GA3750A Blower Fan Kit Installation Guide

DESA TECH GA3750A Blower Fan Kit

Product Information

The GA3750A Blower Accessory is designed for use with various fireboxes, vent- free fireplaces, direct-vent fireplaces, and stoves. It is equipped with a blower motor and speed control for efficient air circulation. The accessory comes with a 6-foot powercord, control knob, lock nut, sheet metal screws, plastic hole bushings, and a wiring diagram decal.

Compatibility:

• 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

Parts Included:

Tools Required:
No specific tools are mentioned in the user manual. However, it is advisable to have a screwdriver for installing the blower accessory.

Product Usage Instructions

Installation

1. Step 1: If a log set is currently installed in the firebox, disconnect the log set from the gas supply and remove it from the firebox. It is recommended to hire a qualified service person for this task.

2. Step 2: To avoid electrical hazards, make sure to turn off the electrical power to any duplex electrical outlet installed in the right side of the bottom of the fireplace base area. Failure to do so may result in serious injury.

3. Step 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.
   • Attach the green ground wire from the power cord to the blower housing using the provided screw. Tighten the screw securely.

4. Step 4: Place the blower against the lower rear wall of the firebox wrapper with the exhaust port directed upward. Align the holes in the top mounting tabs of the blower with the holes in the wall of the wrapper. Use the provided screws to mount the blower and tighten them securely.

5. Step 5: Ensure that all wire terminals are securely attached to the terminals on the blower motor and that the screw retaining the green ground wire is tight.

6. Step 6: Locate the plastic hole plug installed in the 3/8 diameter opening in the lower right side of the firebox front panel. Remove the plastic plug and discard it.

7. Step 7: Place the speed control against the inner wall of the front panel, pushing the plastic control shaft forward through the opening.

Note : The user manual does not provide further instructions beyond Step 7. For additional information or specific applications, it is recommended to refer to your appliance owner’s manual or contact the dealer or manufacturer for assistance.

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 instructi

Parts included with this kit:

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.

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:

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

   • 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.
   • 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.

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 dia-gram decal on the firebox bottom approximately 12″ in front of the blower.

13. Replace bottom of firebox.

    • Note : Make sure the back of the 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.

    • Note : Discard the remaining hardware items.

15. Install the log set heater according to the installation instruc-tions supplied with the heater.

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.

INSTALLING BLOWER ACCESSORY IN 36″ OR 42″ FIREBOX

NOTICE : If a log set is installed in the firebox, discon-nect 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 fire-brick panels for those fireboxes.
   • Using a Phillips screwdriver, remove the screw and retainer bracket at the top of the brick liner panel on the left side. Care-fully remove the left panel from the firebox (see Figure 6).
   • Repeat the removal steps for the brick liner panel on the right side.
   • Remove the screw and retainer bracket at the top of the brick liner panel at the rear of the firebox.
   • IMPORTANT : Do not let panel fall after bracket has bee removed. Carefully re-move the rear panel from the firebox (see Figure 7).
   • Carefully lift and remove the concrete firebrick floor from the firebox if installed (see Figure 5).
2. Remove the firebox bottom.
   • Remove the 4 screws that secure the bottom of the firebox (see Figure 8).
   • 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 installa-tion. 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.
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 ter-minals 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 open-ing in the lower right side of the firebox front panel (see Fig-ure 10). Remove the plastic plug and discard.
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 un-til 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.
    • 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 plas-tic 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 Figures 10 and 12). Route power cord through both plastic bushings and plug the power cord into a wall receptacle near the firebox.
    • 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.
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 off 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 dia-gram 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 pan-els and/or floor in the firebox (see Figures 5-7, page 3).
16. Install the log set heater according to the installation instruc-tions supplied with the heater.

WARNING : A qualified service person must install heater. Follow all local codes.

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.

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 open-ing in the front of the lower right side panel of the stove cabi-net (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 un-til it is tight against side panel. Place control knob provided on shaft (see Figure 15).

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 ter-minals 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.
    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.

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.

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. Care-fully lift up log base assembly and remove from fireplace, tak-ing 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 us-ing screw provided (see Figure 18). Tighten screws securely.

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.

    • 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.
    • 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.

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).

13. Replace log base assembly in fireplace. Feed flexible gas sup-ply line into fireplace base area while replacing log base as-sembly. Make sure the entire flexible gas line is in fireplace base area. Note: If firebrick is installed, make sure the back of the firebox bottom slides under the rear panel of the firebrick (lift the firebrick up if necessary).

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

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

    • Note : Discard the remaining hardware items.

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

    • WARNING : Failure to position the parts in accor-dance 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.

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 fire-box and remove any dust, dirt, or other obstructions.

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

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.

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 hous-ing using screw provided (see Figure 23, page 9). Tighten screw securely.
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.
    • CAUTION : Never touch the blower wheel while in operation.
11. Peel off the backing paper and stick the supplied wiring dia-gram decal on the inside of rear cover as shown (see Figure 23).
12. 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.
13. 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.
14. Secure rear cover to back of stove chassis (see Figure 22, page 8).
15. Plug in the power cord when ready to use.

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

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. Periodi-cally check the openings of the stove top and remove any dust, dirt, or other obstructions that will hinder the flow of air.

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.

    • 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.
    • 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.

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 accor-dance with supplied diagrams or failure to use only parts specifically approved with this heater may result in damage or personal injury.

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.

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

For more information, visit www.desatech.com  For more information, visit www.desatech.com

108319-01 REV. B 09/03

Downloaded from www.Manualslib.com manuals search engine

References

• Desa Parts and Desa Tech Support Manuals

Read User Manual Online (PDF format)

Download This Manual (PDF format)

Download this manual  >>