CZ-CAPBC2 digital input functionality
The CZ-CAPBC2 digital inputs offer the following functionality settings.
Switch S1: Control type setting
S2
JP6
JP5
JP4
JP3
JP2
JP1
– Off
BOOT MODE
open ► close
0
Start
Fan low
1
Start
Prohibit R/C
Start/Stop
2
Start
Prohibit R/C Start
3
Start < > Stop
Prohibit R/C
Start/Stop
4
Start
Prohibit R/C
Start/Stop
5
Start
Prohibit R/C Start
6
Start
Accept R/C
Start/Stop
7
Start < > Stop
Prohibit R/C
Start/Stop
8
–
9
Heat
10
Heat
Start
11
–
12
–
13
–
14
–
15
Start
Notes:
1 Control type No. 10 is the factory default.
2 If digital input signals are to be used for mode change only without using the start/stop function, set switch S1 to control
type No. 9.
3 By default, CZ-CAPBC2 digital inputs are set for accepting non-voltage signals from dry contacts.
AHU Kit – Installation Instructions – 07/2023
S1
ON
ON
D3
1 2 3 4
1
4
OFF
S5
● On
NORMAL
Input 1 (DI1)
close ► open
open ► close
Indoor units stop
Start
when all of Input 1, 2,
Fan medium
3 are open
Stop
Start
Prohibit R/C
Accept R/C
Start/Stop
Start/Stop
Stop
Accept R/C
Prohibit R/C
Start/Stop
Start/Stop
–
Start < > Stop
Accept R/C
Start/Stop
–
Start
Accept R/C
Start/Stop
–
Accept R/C
Start/Stop
–
Stop
Accept R/C
Start/Stop
–
Start < > Stop
Accept R/C
Start/Stop
–
–
–
Cool
Indoor units stop
Cool
when all of Input 1, 2,
3 are open
Start
–
–
–
–
–
–
–
–
Stop
–
S3
VOLTAGE
NON VOLTAGE
S1
Control
0-140Ω
type
S4
1
2
3
0-10V
–
–
–
0
●
–
–
1
2
–
●
–
3
●
●
–
–
–
●
4
●
–
●
5
–
●
●
6
●
●
●
7
Input 2 (DI2)
close ► open
open ► close
Indoor units stop
Start
when all of Input 1, 2,
Fan high
3 are open
Stop
Stop
Prohibit R/C
Prohibit R/C
Start/Stop
Start/Stop
Stop
Stop
Prohibit R/C
Prohibit R/C
Start/Stop
Start/Stop
–
Stop
Prohibit R/C
Start/Stop
–
Stop
Prohibit R/C
Start/Stop
–
Stop
Prohibit R/C
Start/Stop
–
–
–
Set thermostat
OFF
–
–
–
Fan
Indoor units stop
Fan
when all of Input 1, 2,
3 are open
Start
–
–
–
–
–
–
–
–
–
Set thermostat
OFF
+
DI3
Electrical Wiring
+
DI2
+
DI1
-
COM
S1
Control
+
type
4
1
2
AI
–
–
–
8
-
–
●
–
9
–
10
–
●
1
+
–
11
●
●
–
–
–
12
AO
–
-
●
–
13
–
–
●
14
–
●
●
15
Input 3 (DI3)
NO contact:
close ► open
static / pulses
Indoor units stop
All inputs: static
when all of Input 1, 2,
3 are open
–
Input 1, 2: static
Input 3: pulse
–
Input 1, 2: static
Input 3: pulse
–
All inputs: pulse
–
–
–
Release
Input 1, 2: static
thermostat OFF
Input 3: pulse
–
–
–
All inputs: pulse
Indoor units stop
All inputs: static
when all of Input 1, 2,
3 are open
–
–
–
–
–
–
–
–
Release
All inputs: static
thermostat OFF
3
4
–
●
–
●
–
●
–
●
●
●
●
●
●
●
●
●
Voltage of
5
59