Pah3M Model - Panasonic PAW-280PAH3M-1 Installation Instructions Manual

Switch S3: Digital input configuration setting (voltage/non-voltage signals)
Depending on the BMS digital input (DI) configuration, switch S3 on the CZ-CAPBC2 interface can
be set for the digital input terminals to accept either non-voltage signals from dry contacts (factory
default: "NON VOLTAGE") or 12 – 24 V DC signals ("VOLTAGE").
S2
JP6
JP5
i
JP4
Important
JP3
For more details about the connection and functions of the CZ-CAPBC2 interface, please refer to
JP2
the separate installation instructions for CZ-CAPBC2.
JP1
S5

5.3.2 PAH3M model

BOOT MODE
Terminal layout – Main terminal board (ACXA73-38670)
Allocation
Terminal No.
X1
L X1.1 Live
l
N X1.2 Neutral
l
l 3 X1.3 Comm
PE X1.4 Protective earth
l
Allocation
Terminal No.
X2
l F1 X2.1 COM for F2
F2 X2.2 Fan contact
l
Allocation
Terminal No.
X3
FS1 X3.1 Lower Potential Float Sw.
l
FS2 X3.2 Higher Potential Float Sw.
l
FD1 X3.3 Higher Potential Fan Dr.
l
FD2 X3.4 Lower Potential Fan Dr.
l
EX1 X3.5 Higher Potential EXCT
l
EX2 X3.6 Lower Potential EXCT
l
To be continued on next page.
AHU Kit – Installation Instructions – 11/2021
Set S3 to "VOLTAGE",
if digital inputs are to accept
12 – 24 V DC signals
S1
ON
ON
D3
1 2 3 4
1 4
OFF
NORMAL
Function
Live Terminal
Neutral Terminal
Communication terminal
Protective Earth Conductor
Function
Fan Operation Signal
Function
Float switch
(ex factory bridged)
Control of an additional external fan or additional
external air handling unit
EXCT-Contact
(external thermostat off switch)
S3 Keep S3 default setting "NON VOLTAGE",
if digital inputs are to accept non-voltage signals
NON VOLTAGE
VOLTAGE from dry contacts.
0-140Ω
S4
0-10V
Description
External Potential: 230 V AC, max. 1 A
Internal potential 0 - 75 V DC
Description
External Potential: max. 250 VAC 8 A
Description
Internal Potential: 12 V DC
Internal potential: 12 V DC
Internal Potential: 5 V DC
GND
Electrical Wiring
+
DI3
+
DI2
+
DI1
-
COM
+
AI
-
+
AO
-
71
5