Specification Sheet

22
WIRING DIAGRAMS (CONTINUED)
MAIN B OAR D
U
V
W
Y/G
L
L-PRO
T3
T4
CODE
PART NAME
COMPRESSOR
4-WAY VALVE
COMP
CAP1
EEV
ELECTRONIC EXPANSION
VALVE
H-PRO
L-PRO
LOW PRESSURE SWITCH
HIGH PRESSURE SWITCH
T3
T4
CONDENSER
TEMPERATURE SENSOR
OUTDOOR AMBIENT
TEMPERATURE SENSOR
H-PRO
SV
L
PFC INDUCTOR
TP
TP
EXHAUST
TEMPERATURE SENSOR
RED
BLACK
V
U
CN19
CN51
C
N55
W
EEV
BLACK
DR IVE R
BOARD
RED
YELLOW
BLUE
P-1
FM1
OUTDOOR DC FAN
FAN MOTOR CAPACITOR
CN53
CN20
CN3
CN4
CN10
CN40
CN22
CN44
C
N8
CN9
CN7
CN2
CN1
CN5
CN54
CN52
CN33
5
(6
)
CN6
SV
4-WAY1
BLUE
BLUE
HEAT2
HEAT1
BLACK
RED
BLUE
BLUE
BLUE
YELLOW
RED
BLACK
RED
BLACK
JXI
L2
TO INDOOR UNIT
POWER SUPPLY
Y/G
L2
S
L1
L1
RED
RED
BLACK
YELLOW
S
BLACK
YELLOW
Cra nkc ase He ater
Ba se P an H ea ter
ONLY FOR
36K ODU
L1
L2
FM1
Y/G
3
3
Y/G
COMP
CN1, CN2
Input: 220VAC high voltage (indoor unit)
S
Input: High Voltage Signal (indoor unit)
CN3, CN22
Output: 220VAC for 4-way valve control
CN4, CN40
Output: 220VAC high voltage for
cranckase heater
CN5,CN6
Output: 220VAC high voltage for power for
driver board
CN53,CN54
Input: 220VAC high voltage for driver board
CN9
Input: Pin1, Pin2, Pin4, Pin5 (0-5V) for high
and low pressure switches where applicable
Output: 220VAC high voltage for base pan heater
CN10, CN44
CN19
CN20
Output: (Pin5 or 6) to EEV Pin1, 2, 3,4).
Pulse waveform (0-12V)
CN33
Input: Pin1, Pin2 (0-5V) from exhaust
temperature sensor
CN51, CN52
Output: 220VAC high voltage for PFC inductor
CN7
Output: Pin1-3=12VDC.Pin2-3=5VDC.
(other pin for chip cumunication)
CN55
Input: Pin1-3=12VDC.Pin2-3=5VDC.
(other pin for chip cumunication)
CN8
Input: Pin1, Pin3, Pin4, Pin5 (0-5V) for condenser
and outdoor ambient temperature sensors
Output: Pulse (0-320VDC) for Outdoor DC Fan
U V W
Output: Pulse (0-320VDC) for Compressor
P-1
Ground Connector
Fig. 8 – Wiring Diagram Sizes 24K−36K