Table of Contents
[4-2 Outdoor Unit Circuit Board Components ]
4-2
Outdoor Unit Circuit Board Components
4-2-1
Control Board
CN332
18 VDC output
GND(FAN INV board 2)
CNDC
Bus voltage input
P
N
Actuator drive
signal output
CN110
Power supply
detection signal
input
GND
CNRYB
72 drive signal
output
F01
250 VAC
3.15A T
CNAC
CNAC2
L1 phase
L1 phase
N phase
L2 phase
*For information about the display of SW4 function settings, refer to the following page(s). [5-1-1 Outdoor Unit Switch Func-
tions and Factory Settings](page 127)
HWE1314A
CN801
Pressure switch connection
External signal input (contact input)
CN51
12 VDC output
Compressor ON/OFF signal output
Error signal output
16 VDC
GND(FAN INV board 1)
CN2/2A
17 VDC
Serial communication
17 VDC
signal input
GND(INV board)
GND
CNVCC2
CN62
12 VDC output
Centralized control
5 VDC output
transmission signal input/output (30 VDC)
GND
Power input signal for the centralized
control system (30 VDC)
Indoor-outdoor
transmission line signal input/output (30 VDC)
- 99 -
CN4
5 VDC output
GND
Serial communication
GND
LEV
drive signal output
SWU1,2
Address switch
LED1
Service LED
LED3
Function setting
display
Lit :ON
Unlit:OFF
LED2
Normal/Error
indicator
SWP1
SW4 setting
(SW6-10:OFF)
Effective/Ineffective
switching
SW4~6
Dip switches
Sensor input
CNPS
12 VDC output
GND
5 VDC output
CN40
Power supply
Centralized control
detection input
power supply ON
Power supply
ON/OFF signal
output
CN41
Centralized control
power supply OFF
GB
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