Panasonic WH-SDC0309K3E5 Installationshandbuch Seite 20

Bind all optional
cables with
these bands
Bind optional
cables with
these bands
Power Supply 2
RCCB/ELCB
Power Supply 1
RCCB/ELCB
Indoor terminal
for connecting
cables
Bind all optional
cables with these
bands
How to guide the optional cables and power supply cord
(view without internal wiring)
Optional cables:
• 3-way valve cable
• 2-way valve cable
• Room thermostat zone
1 cable
• Booster heater cable
• Extra pump cable
• Boiler contact cable/
Optional cables:
Defrost signal cable
• Pump zone 1 cable
• Pump zone 2 cable
• Error signal cable
• Solar pump cable
• Pool pump cable
• Room thermostat zone 2 cable
• Mixing valve zone 1 cable
• Mixing valve zone 2 cable
Optional cables:
• External control cable
• Tank sensor cable
• Outdoor air sensor cable
• Tank OLP cable
• Remote controller cable
• Buffer tank sensor cable
• Room sensor zone 1 cable
• Room sensor zone 2 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
Terminal screw on PCB
M3
M4
20
Optional
PCB 9
Bind optional
cables with
these bands
Holder (Clamper)
• Power Supply 1 cord
• Power Supply 2 cord
• Indoor Unit/Outdoor
Unit Connecting cable
from Optional
PCB
from Optional PCB
Maximum tightening torque cN•m {kgf•cm}
50 {5.1}
120 {12.24}
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/ Defrost signal
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
Connection of the main PCB
2-way
valve
 Signal inputs
L N =AC230V, Heat, Cool=Thermostat heat, Cool
Optional Thermostat
terminal
Dry contact Vcc-Bit1, Vcc-Bit2 open/short
OLP for booster (System setup necessary)
heater It is connected to the safety device (OLP) of
DHW tank.
Dry contact Open=not operate, Short=operate
(System setup necessary)
External control
Able to turn ON/OFF the operation by external
switch
Connected (Please use 2 cores wire for relocation
Remote controller 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
External control
Remote controller
Outdoor air sensor
Buffer Tank sensor
Tank sensor
Boiler contact/
Defrost signal
Extra pump
Booster heater
3-way Room
Thermostat 1
valve