Connecting Cables Length
When connecting cables between Indoor Unit and
external devices, the length of the said cables must
not exceed the maximum length as shown in the table.
External device
Maximum cables length (m)
Two-way valve
50
Three-way valve
50
Mixing valve
50
Room thermostat
50
Booster heater
50
Extra pump
50
Solar pump
50
Pool pump
50
Pump
50
Boiler contact
50
External control
50
Tank sensor
30
Room sensor
30
Outdoor air sensor
30
Tank OLP
30
Buffer tank sensor
30
Pool water sensor
30
Solar sensor
30
Water sensor
30
Demand signal
50
SG signal
50
Heat/Cool switch
50
External compressor switch
50
Connection of the main PCB
OLP for booster
heater
Zone 1 room sensor
Outdoor air sensor
Tank sensor
External control
Remote controller
Boiler contact
Extra pump
Booster heater
H C N L
C O N C O N
Optional
Thermostat 1
3-way
valve
2-way
valve
■
Signal inputs
Optional Thermostat
L N =AC230V, Heat, Cool=Thermostat
heat, Cool terminal
It does not function when using the
optional PCB
OLP for booster heater
Dry contact Vcc-Bit1, Vcc-Bit2
open/short (System setup necessary)
It is connected to the safety device
(OLP) of DHW tank.
External control
Dry contact Open=not operate,
Short=operate (System setup
necessary)
Able to turn ON/OFF the operation by
external switch
Remote controller
Connected (Please use 2 cores wire
for relocation and extension. Total
cable length shall be 50m or less.)
■
Outputs
3-way valve
AC230V N=Neutral Open,
Close=direction (For circuit switching
when connected to DHW tank)
2-way valve
AC230V N=Neutral Open, Close
(Prevent water circuit pass through
during cooling mode)
Extra pump
AC230V (Used when indoor unit pump
capacity is insufficient)
Booster heater
AC230V (Used when using booster
heater in DHW tank)
Boiler contact
Dry contact (System setup necessary)
■
Thermistor inputs
Zone 1 room sensor
PAW-A2W-TSRT
It does not work when using the
optional PCB
Outdoor air sensor
AW-A2W-TSOD (Total cable length
shall be 30m or less)
Tank sensor
Please use Panasonic specified part
Connection of Optional PCB
(CZ-NS4P)
Ext.
comp.
SW
Heat/
Cool
SW
SG
signal
Vcc
Bit1
Bit2
Solar
sensor
Mixing
valve 2
Mixing
valve 1
Optional
Thermostat 2
Optional
Thermostat 1
Demand
signal
Zone 1
water
sensor
Zone 2
water
sensor
Pool
water
sensor
Buffer
Tank
sensor
Zone 1
room
sensor
Zone 2
room
sensor
Zone 1
Pump
Error
signal
Pool
Pump
Solar
Pump
Zone 2
Pump
N O C
N O C
L
N Cool Heat L
N Cool Heat
■
Signal inputs
Optional Thermostat
L N =AC230V, Heat, Cool=Thermostat
heat, Cool terminal
SG signal
Dry contact Vcc-Bit1, Vcc-Bit2
open/short (System setup necessary)
Switching SW (Please connect to the 2
contacts controller)
Heat/Cool SW
Dry contact Open=Heat, Short=Cool
(System setup necessary)
External comp. SW
Dry contact Open=Comp.ON,
Short=Comp.OFF
(System setup necessary)
Demand signal
DC 0~10V (System setup necessary)
Please connect to the DC 0~10V
controller.
