19
ENGLISH
Optional cables:
•
External control cable
•
Outdoor air sensor cable
•
Remote controller cable
•
Room sensor zone 1 cable
•
Room sensor zone 2 cable
•
Buffer tank sensor cable
•
Pool sensor cable
•
Water sensor zone 1 cable
•
Water sensor zone 2 cable
•
Demand signal cable
•
Solar sensor cable
•
SG signal cable
•
Heat/Cool switch cable
•
External Compressor switch cable
Optional cables:
•
2-way valve cable
•
Extra pump cable
•
Boiler contact cable
•
Power Supply 1 cord
•
Power Supply 2 cord
•
Indoor Unit/Outdoor
Unit Connecting cable
Optional cables:
•
Pump zone 1 cable
•
Pump zone 2 cable
•
Solar pump cable
•
Pool pump cable
•
Room thermostat zone 1 cable
•
Room thermostat zone 2 cable
•
Mixing valve zone 1 cable
•
Mixing valve zone 2 cable
from Optional
PCB
from Optional PCB
Terminal screw on PCB
Maximum tightening torque cN•m {kgf•cm}
M3
50 {5.1}
M4
120 {12.24}
Connecting Cables Length
When connecting cables between Tank 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
Mixing valve
50
Room thermostat
50
Extra pump
50
Solar pump
50
Pool pump
50
Pump
50
Boiler contact
50
External control
50
Room sensor
30
Outdoor air sensor
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
Zone 1 room sensor
Outdoor air sensor
Tank sensor
External control
Remote controller
Boiler contact /
Defrost Signal
Extra pump
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
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 Tank Unit pump capacity is
insuffi cient)
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)
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
