OJ Electronics AHC-3000 Serie Mode D'emploi page 42

Fig. 9 - Cable for BMS Modbus Connection
C
MODBUS
Fig. 11 - Digital outputs 1-3
A
N
L
Max. load
Dout 1-3 Max. 230V/3A
Fig. 13 - Analogue outputs
N
35 3
6 37 38 39 40 41 42 43 44
Heating/ Heat
Cooling exchanger
+ +
Y Y
L(+)
24VAC/DC
N (GND)
42
9 10 11 12 BMS
HMI
Modbus
RS485
A2
A2 A2
A1
A1 A1
1 2 3 4 5 6 7
www.oj.dk
45 46
Supply air Exhaust air
fan speed fan speed
+ +
Y
Fig. 10 - Cable for BMS TCP/IP connection
E
Fig. 12: Digital outputs 4-7
B
N(GND)
MAX. 24VAC/DC
L(+)
Max. load
Dout 4
Dout 5
Dout 6
Dout 7
Fig. 14 - Connection of temperature sensors
M
3 24 25
Y
Supply air
Extract air
© 2020 OJ Electronics A/S
H MI BMS A
TCP/IP Modbus
RS 485
A2
A1
Max. 30VDC/3A
Max. 30VDC/3A
Max. 30VDC/3A
Max. 30VDC/1A
2 3 4 5 6 7 8 9 10 11 12
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
Outdoor air
A2
A2
A1
A1
A2
A1
BMS
Return water heating
Exhaust air