Page 18
Table 7
BLOWER DATA
SLO185UF79/105V42 BLOWER PERFORMANCE
0 through 0.50 in. w.g. External Static Pressure Range
“ADJUST”
Jumper
Setting
Jumper Speed Positions
“HEAT” Speed
“COOL” Speed
.65 High Fire
.50 Low Fire
A
D
A
B
C
D
cfm
cfm
cfm
cfm
cfm
cfm
+
N/A
N/A
1500
1400
1200
1000
NORM
1500
1200
1400
1200
1000
800
–
N/A
N/A
1200
1000
900
650
NOTE
−
Continuous Fan air volume is 50% of COOL speed.
SLO185UF124/141V60 BLOWER PERFORMANCE
0 through 0.50 in. w.g. External Static Pressure Range
“ADJUST”
Jumper
Setting
Jumper Speed Positions
“HEAT” Speed
“COOL” Speed
.85 High Fire
.75 Low Fire
A
C
A
B
C
D
cfm
cfm
cfm
cfm
cfm
cfm
+
N/A
N/A
2000
2000
1800
NORM
1850
1550
2000
1800
1600
–
N/A
N/A
1700
1550
1400
NOTE
−
Continuous Fan air volume is 50% of COOL speed.
1400
1250
1050
Blower Control Board (A54)
16-PIN PLUG
(BOARD TO MOTOR)
DIAGNOSTIC LED
ADJUST
SELECTOR PINS
(Setting affect cooling only)
HEATING SPEED
SELECTOR PINS (SEE
TABLE)
COOLING SPEED
SELECTOR PINS
NOTE - The JW1 resistor
must be cut to activate the
HUM terminal.
Figure 20
SLO185UFV-79
SLO185UFV-105
HEAT SPEED SELECTOR
PINS (JUMPERS)
SLO185UFV-124
SLO185UFV-141
