Air Handling Unit Interface
AHU-KIT-SP
MORIKAWA
SPECIFICATION
PSZ000Z308
7/38
MODEL NAME
MODEL TYPE
ISSUE
CLASSIFICATION
DWG NO.
REV.MARK PAGE
21.09.17
●
Input/output list #2 of AHU interface
Item
Connector
LED
Housing
Color
Remarks
CNH
2P
Return air temperature
Black Thi-A
CNF
2P
Reserve
Yellow The CNF connector can not be used.
Heat exchanger (U-bend)
Thi-R1
Heat exchanger (capillary)
Thi-R2
Heat exchanger (header)
Thi-R3
X3
2P
Capacity control
Green
Depending on the JX2 setting,
0-10V/4-20mA can be switching.
X2-1: run/stop
Power supply: AC24-240V/DC20-130V 0.5A
X2-2: cooling/heating
Power supply: AC24-240V/DC20-130V 0.5A
X2-3: emergency stop
Power supply: AC24-240V/DC20-130V 0.5A
X2-4: reserve
Power supply: AC24-240V/DC20-130V 0.5A
X2-5: common
Common terminal
X4a
2P
Outdoor unit, interface error
Voltage free at contact output
X4b
2P
Compressor ON
Voltage free at contact output
X4c
2P
Defrost ON
Voltage free at contact output
X4d
2P
Voltage free at contact output
X4d is selectable by Modbus communication
LED1
Normal
Green
LED2
Error
Red
X1
2P
Remote control
Green Remote control and SC-ADNA-E can be connected
X5
3P
Modbus
Green RS-485 communication circuit
2P
2P
X0-2 is an empty port due to reinforced insulation
AC220–240V
AC220–240V
C
o
n
n
e
c
to
r/
L
E
D
Cascade reserve
X0-1: functional ground
Digital
Output
Function
Analog
Input
Digital
Input
Input/
Output
Yellow
X2
5P
Green
CNN
6P
Green
Selection:
①
Run/stop
【
initial
】
②
Cooling/heating
X7
Cascade
Green
Green
X0
5P
X0-2: empty port
X0-3: power L phase
X0-4: power N phase
X0-5: communication terminal
