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INDOOR BLOWER MOTOR SPEEDS AND ELECTRICAL CONNECTIONS
FACTORY
MOTOR
CONNECTIONS
The foflcts\ii;g \ketches iliustrate how the iniloor
E9totcer
111of(>r
CITCLII?: hires
are
fi3;rrtnry connected to
tine
unit hlotzier terminal hoard.
NOMINAL
BLOWER
2 4 ~
BTUH
U N ~ S
TERM BOARD
NOMINAL
BLOWER
30M
BTUH UNIT
TERM. BOARD
NOMINAL
BLOWER
36M BTUH UNIT
TERM. BOARD
BLOWER
y
\
MOTOR
/-
8K-26
I
*BL-23
and
BK-26 have piggy back connectors and are
tho
wrres which
must be
re-connected
In
relation
to the
number
at
heaters ~nstalled In t h e
unrl
HEATING AND COOLING
SPEEDS
The irrduor blower motor
i s
factory corrnected h r the-
recornrneflded cot~lir~g ~ p e c d and heal
purrlp only oper-
ation without electric heaters,
Afier
the con"ecr nrrnrber of heaters fa;lve been
in-
\;;riled, check ihc eabuiarlo~~
bciic~w
and connect the
motor Icadc acca%rdingly.
Nomin;~!
24M a l ~ d 30M Units
SPEEDS
C"ClC)Z,INCi
HEATING
BL-23
to 1>0
0 heziter BK-26
t o
LO
I hearer BE;-26
T o
LO
2 he~trers BK-26 to LO
3 heaters
BK-35 to H I
Nominal
36M
tltlit
COCII,IN G
FIEATING
B
La-23 to
it1
E D
0 heater BK-26 to
ME
TB
X
heater BK-26 to M E D
3 heaters BK-26 to H I
3 'heaters BK-26 to HI
Also check the
tinit
wiring diagram
for
addllional
infc~rmation.
Nominal 42M BTUH Uxlit
FACTORY CONNECTED
Cooling 8 Heat Pump
Low Speed
Hear Pump & Elec. Heat High Speed
Nominal
4 W M
BTUH Unit
FACTORY CONNECTED
Cooling
High Speed
Healing
High Speed
Nominal BOM BTUH Unit
FACTORY CONNECTED
Cooling
High Speed
Heating
High Speed
The
above
infomation llltrsrrares how the indoor
blower mr-rtor is factory connected to obtain the
wted
cooling and heating air q~lantities at external
static
pressures to the unit as shown in the air flow data
chart. The electrical xnotc3r connections should not be
chmged regadless how many heaters am installed in
the unit.
TERMINAL BOARD
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