Installation Instructions

www.desatech.com
108319-01D
12
INSTALLING BLOWER
ACCESSORY IN DIRECT-
VENT FIREPLACE SERIES
BHDV, (E)BDV, DDV, HDV,
CDV, CHDV, DVF(E) OR DVFH
IMPORTANT: Read all installa-
tion instructions before install-
ing blower.
NOTICE: Shut off gas supply and
disconnect heater from gas sup-
ply. Contact a qualied 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 replace
when you are installing the blower. Also for clarity
the rebox is shown with dotted lines.
1. Open lower louver panel as shown in Figure 26.
2. Attach the power cord to the blower motor
by rmly pushing the two female terminals at
the end of the power cord onto the two spade
terminals on the blower motor.
Figure 26 - Mounting Blower to Firebox
Lower
Rear Wall
of Firebox
Wrapper
Lower Louver
Panel
Screw
Exhaust Port
Blower
Assembly
Green Ground
Wire
Screws
Figure 27 - Attaching Speed Control to
Firebox
Speed
Control
Control
Shaft
Locknut
Control
Knob
Switch
Plate
3. Attach green ground wire from power cord
to blower housing using screw provided (see
Figure 26). Tighten screw securely.
4. Place the blower under the rebox and against
the lower rear wall of rebox 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 26).
Using the two screws provided, mount blower
and tighten screws securely.
5. Be sure all wire terminals on blower are at-
tached securely. Make sure the screw retaining
the green wire is tight.
6. Remove screws securing the plate contain-
ing the ON/OFF switch to the bottom of the
rebox and set aside.
7. Place speed control against the back of this
plate and push the plastic control shaft through
opening (see Figure 27).
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 27).
9. Replace plate containing switches and tighten
screws securely.
10. Plug in blower power cord.
a. If your replace system is installed as a
freestanding unit with an accessory man-
tel, determine whether the power cord will
exit the left side or the right side of the re-
box. 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
oor support bracket if exiting through the
right side (see Figure 28, page 14). Route
power cord through (both) plastic bushing(s)
and plug the power cord into a properly
grounded 3-prong wall receptacle near the
rebox.