Installation Of Thermistor On Liquid Pipe - Panasonic PAW-280PAH3M Basic Installation Instructions

⚫
OT6
X4.18
X5
⚫
U1
X5.1
⚫
U2
X5.2
⚫
R1
X5.3
⚫
R2
X5.4
⚫
R1
X5.5
⚫
R2
X5.6
X6
⚫
M2.1
X6.1
⚫
M2.2
X6.2
⚫
M2.3
X6.3
⚫
M2.4
X6.4
⚫
M2.5
X6.5
⚫
M2.6
X6.6
⚫
COM
X6.7
⚫
DI1
X6.8
⚫
DI2
X6.9
⚫
DI3
X6.10
⚫
COM
X6.11
⚫
DO2
X6.12
⚫
COM
X6.13
⚫
DO1
X6.14

6. Installation of thermistor on liquid pipe

Mount the "E1" thermistor to the liquid pipe of the AHU heat exchanger according to the following
instructions
Attach the liquid pipe thermistor to the liquid
pipe located in the lowest position after the
distributor in the heat exchanger.
LV3 demand control / EXCT (forcibly
Demand Input 3
thermostat off) input
No polarity
Communication bus wiring P-link
No polarity
No polarity
Terminal for Group Wiring (RC
connection)
No polarity
No polarity
Terminal for Group Wiring (RC
connection)
No polarity
4 - 20 mA
Analogue output terminals
Potential of M2.1
0 to 10 V DC
Analogue input terminals for
temperature and demand control
Potential of M2.3
No polarity
Activation of demand control
No polarity
Potential for DI1 to DI3
Digital Inputs
Digital Input 3
(For information on functionality
refer to section "Terminal layout –
CZ-CAPBC2 / ACC-SP1A" in this
Digital Input 2
document)
Digital Input 1
Potential for DO2
Alarm Signal
Alarm Signal
Potential for DO1
Operation Signal
Operation Signal
9
data service manual for details. 5 V
DC 0.5mA Current input
Required for centralized controller
Internal Potential: 16 V DC
Internal Potential: 16 V DC
Analog output (Room temperature
monitor), Indoor temperature
monitor output. Output current : 4 to
20 mA. Temperature indication
range : 5 to 36 °C, 0.5 °C step
Analogue input (+10 V DC) for
demand control / temperature
control
Analog input Negative potential (–10
V DC) for demand control /
temperature setting
Insert bridge to activate temperature
control (system is set for demand
control as standard)
2 types of usage:
a) Potential-free:
Keep S3 of CZ-CAPBC 2/
ACC-SP1A on "NON VOLTAGE".
b) 12 to 24 V DC, 10 mA external:
Change S3 of CZ-CAPBC2 / ACC-SP1A
to "VOLTAGE".
External Potential: max. 230 V AC / 3
A
External Potential: max. 230 V AC / 3
A