How to Fix External Device
Connecting Cables Length
When connecting cables between Mono bloc 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
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 Mono bloc 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)
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.
Outputs
Mixing valve
AC230V N=Neutral Open, Close=mixture
direction
Operating time: 30s~120s
Pool pump
AC230V
Solar pump AC230V
Zone pump
heater
AC230V
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
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
