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Terminal layout – CZ-CAPBC2 / ACC-SP1A (for advanced and medium
versions only)
CZ-CAPBC2 interface, terminal block CN1
Connections
DO1
(Start)
COM
DO2
(Alarm)
COM
S3
VOLTAGE
NON VOLTAGE
S2
0-140Ω
S1
JP6
S4
ON
JP5
0-10V
ON
JP4
D3
JP3
1 2 3 4
JP2
1
4
JP1
OFF
S5
BOOT MODE
NORMAL
CZ-CAPBC2 interface, terminal block CN2
Connections
AHU Kit – Installation Instructions – 11/2021
ON
1
No.
Polarity
15
+
14
–
+
T10
13
(12V)
-
12
R/C
11
SG
LINE A
(U.H.J1.A.J2)
10
12V
SG
R/C
9
GND
LINE B
12V
(T.G)
8
+
GND
+
DI3
7
+
+
DI2
+
DI1
6
+
-
COM
5
–
+
AI
-
4
+
+
AO
-
3
–
2
+
1
–
No.
Name
Allocation
By factory default connected to terminal
1
DO1
contacts
By factory default connected to terminal
DO1
2
COM
(Start)
contacts
COM
By factory default connected to terminal
3
DO2
DO2
contacts
(Alarm)
COM
By factory default connected to terminal
4
COM
contacts
S3
S2
VOLTAGE
NON VOLTAGE
0-140Ω
S1
JP6
S4
ON
JP5
0-10V
ON
JP4
D3
JP3
1 2 3 4
JP2
1
4
JP1
OFF
S5
BOOT MODE
NORMAL
CN8
CN2
4
10
5
Name
Allocation
By factory default connected
T10
(12V)
By factory default connected
By factory default connected
R/C
LINE A
By factory default connected
Not used
R/C
Not used
LINE B
Not used
By factory default connected to terminal
DI3
contacts
By factory default connected to terminal
DI2
contacts
DI1
By factory default connected to terminal
contacts
COM
By factory default connected to terminal
contacts
By factory default connected to terminal
contacts
AI
By factory default connected to terminal
contacts
Advanced version: Not connected to terminal
contacts.
Medium version: By factory default connect-
ed to terminal contacts
AO
Advanced version: Not connected to terminal
contacts.
Medium version: By factory default connect-
ed to terminal contacts
Function
Digital output 1 (Start output)
+
T10
(12V)
-
R/C
LINE A
(U.H.J1.A.J2)
Digital output 2 (Alarm output)
SG
R/C
LINE B
12V
(T.G)
GND
+
DI3
+
DI2
+
DI1
-
COM
+
AI
-
+
AO
-
Electrical Wiring
1
15
CN1
Function
Comments
12 V power supply
Remote control line A
Remote control line B
Digital input
Analog input (Change temperature
setting)
Analog output (Room temperature
monitor)
Comments
5
69
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