www.desatech.com
116237-01H
20
CAUTION: Never touch the
blower wheel while in operation.
9. Check to make sure that power cord is
completely clear of blower wheel and
that there are no foreign objects in blower
wheel. Turn blower on and check for op-
eration. Turn blower off by turning knob
fully counterclockwise before continuing.
10. Peel off backing paper and stick supplied
wiring diagram decal on firebox bottom
approximately 12" in front of blower (see
Figure 27).
Var
iabl
e
Fan
Sw
itch
W
hite
W
hite
Bla
ck
Gr
een
On
110
/11
5
V.A
.C.
Blo
we
r
Mo
tor
Bla
ck
Bla
ck
Bla
ck
Of
f
Figure 27 - Location of Wiring Diagram
Decal (Model May Vary From Illustration)
Wiring Diagram Decal
12" in Front of Blower
FIREPLACE INSTALLATION
Continued
Model BKT Installation
Note: When installing BKT thermostati-
cally-controlled blower, you must first secure
thermal switch bracket to blower if it has not
already been factory installed.
1. Place green ground wire with ring ter-
minal between bottom hole on thermal
switch bracket and top ear hole on blower
assembly. Insert Phillips screw into all
three pieces and tighten securely (see
Figure 28).
2. Connect wire harness and power cord
terminals. Connect blue jumper wire to
blower motor terminal and right side termi-
nal of thermal switch. Connect black wire
to left side of thermal switch and white
wire to other remaining blower motor
terminal.
Note: Power cord outer insulation sleeve may
have to be stripped slightly to allow enough
wire length to reach and make all connec-
tions. DO NOT trim excessive length away.
Enable just enough to make all connections
securely.
3. Place blower against lower rear wall of
firebox outer wrapper with exhaust port di-
rected upward and thermodisc positioned
up near fireplace bottom. Thermodisc
must be oriented near fireplace bottom
as shown in Figure 28 in order to sense
temperature and properly operate. Blower
will be held in position against back wall
by magnets incorporated onto blower
housing (see Figure 28).
4. Be certain that all wire terminals are
securely attached to terminals on blower
motor and thermal switch and that screw
for thermodisc bracket and green ground
wire is tight.
5. Mount speed control box against mount-
ing plate provided in lower fireplace
cavity by placing plastic control shaft
forward through round hole (see Figure
26, page 19).
6. While supporting speed control, secure
control shaft with lock nut by pushing and
turning lock nut with pliers clockwise until
it is tight against mounting plate. Place
provided control knob on shaft (see Figure
26, page 19).
Thermodisc
Figure 28 - Blower Model BKT
Air Flow Direction
Route BKT Blower
Through This Area
Magnets
Blower
Location
Side View Firebox Bottom
Black
Wire
Phillips
Screw
Blue Wire
Ring Terminal
on Green Wire
White Wire
Thermal
Switch
Thermal
Switch
Bracket
Power Cord
Air Flow
Direction
Magnetic
Strips
