Desa BK3 User manual

The model BK3 blower system (shown in figure 1) can be installed in any
existing circulating model wood-burning or un-vented firebox having a pre-
wired 120 VAC duplex power receptacle.
ACCESSING THE BLOWER
COMPARTMENT
1. Remove glass doors (if equipped)
by following the instructions shown
in Figure 2.
2. Remove the front refractory access
panel by lifting up and angling out
through the fireplace opening.
See Figure 3 on page 2.
3. Remove the control cover panel.
4. Remove the lower louver panel (if
installed) by gently pushing out the
panel from inside the mounting
frame.
5. Remove the knockout plug from
the lower louver panel. See Figure
3, on page 2.
6. Place the fan assembly with the
blades pointing towards the rear of
the fireplace and in between the
two leg stands. See Figure 4 on
page 2.
7. Using 2 of the screws provided,
fasten the upper flange of the
blower bracket to the hearth pan.
Then fasten the end flanges to the
leg stands with the remaining 4
screws. See Figure 4 on page2.
NOTE: The wire assembly must be
arranged in front and away from the
fan blades to freely reach the power
receptacle plug.
MODEL BK3 FAN KIT INSTALLATION
MODEL BK3 FAN KIT INSTALLATIONMODEL BK3 FAN KIT INSTALLATION
MODEL BK3 FAN KIT INSTALLATION
INSTRUCTIONS
INSTRUCTIONSINSTRUCTIONS
INSTRUCTIONS
Triple Fan Blower System
Triple Fan Blower SystemTriple Fan Blower System
Triple Fan Blower System
For Use With DESA Model Wood B
For Use With DESA Model Wood BFor Use With DESA Model Wood B
For Use With DESA Model Wood Burning and Vent Free Fireboxes
urning and Vent Free Fireboxesurning and Vent Free Fireboxes
urning and Vent Free Fireboxes
CAUTION: Turn off the gas supply, disconnect the electric
circuit and allow the appliance to fully cool down before performing
this installation. Glass and refractory panels may be heavy for some
individuals. If this is the case, please request help from someone else.
Figure 1 – BK3 Triple Fan Assembly
PIVOT PLATE
SPRING CLIP
TO RELEASE THE PIVOT PIN
DEPRESS THE SPRING CLIP
FOLD THE BI-FOLD
REMOVE THE BOTTOM PIN
DOOR AFTER RELEASING
THE SPRING CLIP, TO
FROM THE PIVOT PLATE
WHILE SLIDING THE DOOR
OUT OF THE UPPER TRACK
SLIDE THE DOOR OUT
OF THE UPPER TRACK
Figure 2 – Removing Glass Doors

2
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BK3 INSTALLATION INSTRUCTIONS
BK3 INSTALLATION INSTRUCTIONSBK3 INSTALLATION INSTRUCTIONS
BK3 INSTALLATION INSTRUCTIONS
MOUNTING AND CONNECTING SWITCH
1. Remove the 2 connectors from the ON/OFF rocker
switch located on the wiring harness. See Figure 5.
2. Insert the rocker switch into the lower louver panel with
the switch lever pointing outward.
3. Reconnect the previously removed wire connectors onto
the switch terminals.
4. Insert the supply plug into one of the available power
receptacles at the right side of the compartment. See
Figure 5.
IMPORTANT: Be sure to inspect components and
wiring for damage before restoring power to the
appliance. If damaged, contact an authorized dealer for
original replacement part(s) or call DESA International
at 1-866-872-6040 for referral.
COMPLETING THE INSTALLATION
1. Reinstall the louver panel (if equipped) into the framed
opening with the louvers pointing upward.
2. Apply the wiring diagram label (shown in figure 6) to
the control cover and replace the cover back over the
compartment opening.
3. Reinstall the front refractory panel and glass doors in
reverse order shown in Figure 2.
4. To operate, turn the rocker switch to the ON position.
,-5)
INTERNATIONAL
2701 Industrial Drive
Bowling Green, KY42101
www.desatech.com
10 6 0-01
REV. B
01/02
LOUVER PANEL
REFRACTORY ACCESS PANEL
CONTROL COVER
KNOCKOUT PLUG
FAN ASSEMBLY
Figure 3 – Accessing the Blower Compartment
(2) SCREWS @
(4) SCREWS @
UPPER FLANGE
LEG STANDS
Figure 4 – Mounting the Blower
RECEPTACLE
POWER
BLOWER
SUPPLY PLUG
BLOWER
ROCKER SWITCH
CONNECTORS
WIRE
Figure 5 – Connecting Switch and Supply Plug
Blower
Motor
No. 1
Blower
Motor
No. 2
Blower
Motor
No. 3
Hot
Nuetral
On / Off
Panel Switch
110/115
V.A.C.
Blac
Blac
Figure 6 – Wiring Diagram