Panasonic WH-SDC09H3E8 Service Manual page 74

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
Two-way valve
Three-way valve
Mixing valve
Room thermostat
Booster heater
Extra pump
Solar pump
Pool pump
Pump
Boiler contact
External control
Tank sensor
Room sensor
Outdoor air sensor
Tank OLP
Buffer tank sensor
Pool water sensor
Solar sensor
Water sensor
Demand signal
SG signal
Heat/Cool switch
External compressor switch
11.2.3.3 Connection of the main PCB
C O N C O N
2-way
valve
■ Signal inputs
L N =AC230V, Heat, Cool=Thermostat
heat, Cool terminal
Optional Thermostat
optional PCB
Dry contact Vcc-Bit1, Vcc-Bit2
open/short (System setup necessary)
OLP for booster heater
It is connected to the safety device
(OLP) of DHW tank.
Dry contact Open=not operate,
Short=operate (System setup
External control necessary)
Able to turn ON/OFF the operation by
external switch
Connected (Please use 2 cores wire
Remote controller for relocation and extension. Total
cable length shall be 50m or less.)
Maximum cables length (m)
50
50
50
50
50
50
50
50
50
50
50
30
30
30
30
30
30
30
30
50
50
50
50
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
3-way Optional
Thermostat 1
valve
It does not function when using the
■ Outputs
3-way valve
2-way valve
Extra pump
Booster heater
Boiler contact
■ Thermistor inputs
Zone 1 room sensor
Outdoor air sensor
Tank sensor
11.2.3.4 Connection of Optional PCB
(CZ-NS4P)
Optional
Thermostat 2
L N Cool Heat L
Pool
Pump
Solar
Pump
Error
signal
Zone 1
Pump
Zone 2
Pump
Zone 2 Zone 1
room
sensor sensor
■ Signal inputs
Optional Thermostat
SG signal
Heat/Cool SW
External comp. SW
Demand signal
74
AC230V N=Neutral Open,
Close=direction (For circuit switching
when connected to DHW tank)
AC230V N=Neutral Open, Close
(Prevent water circuit pass through
during cooling mode)
AC230V (Used when indoor unit pump
capacity is insufficient)
AC230V (Used when using booster
heater in DHW tank)
Dry contact (System setup necessary)
PAW-A2W-TSRT
It does not work when using the
optional PCB
AW-A2W-TSOD (Total cable length
shall be 30m or less)
Please use Panasonic specified part
Optional Mixing Mixing
Thermostat 1 valve 1 valve 2
N Cool Heat N O C N O
Buffer Pool Zone 2 Zone 1 Demand Solar
sensor
room Tank water water water signal
sensor sensor sensor sensor
L N =AC230V, Heat, Cool=Thermostat
heat, Cool terminal
Dry contact Vcc-Bit1, Vcc-Bit2
open/short (System setup necessary)
Switching SW (Please connect to the 2
contacts controller)
Dry contact Open=Heat, Short=Cool
(System setup necessary)
Dry contact Open=Comp.ON,
Short=Comp.OFF
(System setup necessary)
DC 0~10V (System setup necessary)
Please connect to the DC 0~10V
controller.
C
Ext.
comp.
SW
Heat/
Cool
SW
Vcc
SG
Bit1
signal
Bit2