80
11.3.2.4 Connection of the Main PCB
Zone 1 room sensor
External control
Remote controller
Boiler contact /
Defrost Signal
Extra pump
H C N LC O N
Optional
Thermostat 1
3-way
valve
Signal inputs
Optional Thermostat
L N =AC230V, Heat, Cool=Thermostat heat, Cool terminal
It does not function when using the Optional PCB
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)
Extra pump AC230V (Used when Tank Unit pump capacity is insufficient)
Boiler contact /
Defrost signal
Dry contact (System setup necessary)
Thermistor inputs
Zone 1 room sensor
PAW-A2W-TSRT
Optional PCB
It does not work when using the
11.3.2.5 Connection of Optional PCB (CZ-NS4P)
Vcc
Solar
sensor
DemandZone 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
Pool
Pump
Solar
Pump
Zone 2
Pump
N O C N O CL N Cool Heat L N Cool Heat
Optional
Thermostat 2
Optional
Thermostat 1
Mixing
valve 1
Mixing
valve 2
Ext.
comp.
SW
Heat/
Cool
SW
Bit1
Bit2
SG
signal
signal
signal
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