78
11.2.3.2 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
11.2.3.3 Connection of the main PCB
OLP for booster
heater
Zone 1 room senso
Outdoor air sensor
Tank sensor
External control
Remote controller
Boiler contact
Extra pump
Booster heater
C O N C O N H C N L
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
11.2.3.4 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 CN O CL 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.