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LEGEND
HIGH VOLTAGE
FIELD INSTALLED
HIGH VOLTAGE
12V LOW VOLTAGE
FIELD INSTALLED
12V LOW VOLTAGE
MICRO PROCESSOR BOARD
FACTORY
SETTING
THERMISTOR
ST2 ST3 ST1 ST4
REMOTE
SWITCH OR
DEHUMIDISTAT
FAN MOTOR DETAILS
T6
T9
GREEN
FAN
MOTOR
DIRECT MOUNTED CAPACITOR
Fig. 9. Internal schematic for fresh air ventilation systems.
HR150B, HR200B PERFECT WINDOW™ FRESH AIR VENTILATION SYSTEMS
2
T11
T10
WHITE
T9
ORANGE
T1
BLACK
T2
RED
T3
P4
BLACK
T8
BLACK
T7
P2
BLACK
T6
AUTO-
BLACK
T5
TRANSFORMER
T4
SPARE
INSTALL 1/4 in. FEMALE QUICK DISCONNECT TERMINAL TO HOT WIRE, AND ASSEMBLE TO
1
INTERLOCK SWITCH.
INSTALL 1/4 in. FEMALE QUICK DISCONNECT TERMINAL TO NEUTRAL WIRE AND ASSEMBLE
2
TO T11 TERMINAL.
3
INSTALL RING TERMINAL TO THE GROUND LEAD AND ASSEMBLE SECURELY TO THREADED
STUD IN WIRING COMPARTMENT.
9
SPEED CONTROL
SWITCH
2
1
4
3
YELLOW
BROWN
AUTO
220V 50 HZ.
TRANSFORMER
NEUTRAL
GREEN
DOOR
INTERLOCK
ORANGE
BLACK
SEE
MOTOR
DETAIL
DEFROST DETAILS
BI-DIRECTIONAL
DAMPER MOTOR
BLACK
BLACK
ORANGE
ORANGE
RED
RED
PLUG IN
CONNECTOR
HOT
3
1
SEE
DEFROST
DETAIL
PCB PLUG-IN
1
2
P1
3
4
PIN 1–RED
P1
PIN 2–ORANGE
PIN 3–BLACK
PIN 4–SPARE
M22720
68-0285
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