23
Figure 13. Variable Speed Motor control Board (MB7VM Models)
GND
SENSOR
DEHUM
Y1
H
L2-OUT
L2-IN
L1-IN
L1-OUT
Y1
Y/Y2
W
C
EXPANSION PORT
R
RED
GREEN
TEST PORT
BLOWER MOTOR
RED
INPUTS
COOL
HEAT
FAN SPEED
OUTPUT
S
STATUS LIGHTS
2 3 4 5 6 7 8
OFF ON
A/B
GREEN
RED
STATUS
NO
T USED
TEST PORT
BLOWER MOTOR
R
C
Y1
TWIN
DEHUM
W1
EXPANSION
PORT
COOL
HEAT
FAN SPEED
1 2 3 4 5 6 7 8
OFF ON
Figure 12. Fixed Speed Motor control Board (MB7eM Models)
