Panasonic WH-SDC0309K3E5 Installation Manual page 19

2 How to fi x cable
Connecting with external device (optional)
• All connections shall follow to the local national wiring standard.
• It is strongly recommended to use manufacturer-recommended
parts and accessories for installation.
• For connection to main PCB 4
1. Two-way valve shall be spring and electronic type, refer to "Field
Supply Accessories" table for details. Valve cable shall be (3 x
min 1.5 mm 2 ), of type designation 60245 IEC 57 or heavier, or
similarly double insulation sheathed cable.
* note: - Two-way Valve shall be CE marking compliance
component.
- Maximum load for the valve is 9.8VA.
2. Three-way valve shall be spring and electronic type. Valve cable
shall be (3 x min 1.5 mm 2
heavier, or similarly double insulation sheathed cable.
* note: - Shall be CE marking compliance component.
- It shall be directed to heating mode when it is OFF.
- Maximum load for the valve is 9.8VA.
3. Room thermostat zone 1 cable must be (4 or 3 x min 0.5 mm
of type designation 60245 IEC 57 or heavier cord, or similarly
double insulation sheathed cable.
4. Maximum output power of booster heater shall be ≤ 3 kW. Booster
heater cable must be (3 x min 1.5 mm
IEC 57 or heavier.
5. Extra pump cable shall be (2 x min 1.5 mm²), of type designation
60245 IEC 57 or heavier.
6. Boiler contact cable/ defrost signal cable shall be (2 x min 0.5
mm²), of type designation 60245 IEC 57 or heavier.
7. External control shall be connected to 1-pole switch with min
3.0 mm contact gap. Its cable must be (2 x min 0.5 mm
insulation layer of PVC-sheathed or rubber-sheathed cable.
* note: - Switch used shall be CE compliance component.
- Maximum operating current shall be less than 3A
8. Tank sensor shall be resistance type, please refer to Graph 7.1 for
the characteristic and details of sensor. Its cable shall be (2 x min
2
0.3 mm ), double insulation layer (with insulation strength of min
30V) of PVC-sheathed or rubber-sheathed cable.
Tank Sensor Resistance Vs Temperature
16000
14000
12000
10000
8000
6000
4000
2000
0
-30 -20 -10
Tank sensor characteristic
9. Room sensor zone 1, outdoor air sensor and buffer tank sensor
cable shall be (2 x min 0.3 mm²) double insulation layer of PVC-
sheathed or rubber-sheathed.
10. Tank OLP cable must be (2 x min 0.5 mm
layer of PVC-sheathed or rubber-sheathed cable.
), of type designation 60245 IEC 57 or
2 ), of type designation 60245
0 10 20 30
˚C
2
), double insulation
Main PCB 4
Power Supply 2
RCCB/ELCB
Power Supply 1
RCCB/ELCB
Indoor terminal
for connecting
cables
2 ),
How to guide the optional cables and power supply cord
2
), double
.
rms
Optional cables:
• 3-way valve
cable
• 2-way valve cable
• Room thermostat zone 1 cable
• Booster heater cable
• Extra pump cable
• Boiler contact cable/ Defrost signal cable
• For connection to Optional PCB 9
1. By connecting Optional PCB, 2 Zone temperature control can
be achieved. Please connect mixing valves, water pumps and
thermistors in zone 1 and zone 2 to each terminals in Optional
PCB.
Temperature of each zone can be controlled independently by
remote controller.
2. Pump zone 1 and zone 2 cable shall be (2 x min 1.5 mm²), of type
designation 60245 IEC 57 or heavier.
3. Solar pump cable shall be (2 x min 1.5 mm²), of type designation
60245 IEC 57 or heavier.
4. Pool pump cable shall be (2 x min 1.5 mm²), of type designation
60245 IEC 57 or heavier.
5. Room thermostat zone 2 cable shall be (4 x min 0.5 mm²), of
type designation 60245 IEC 57 or heavier.
6. Mixing valve zone 1 and zone 2 cable shall be (3 x min 1.5 mm²),
of type designation 60245 IEC 57 or heavier.
7. Room sensor zone 1 and zone 2 cable shall be (2 x min 0.3 mm²),
double insulation layer (with insulation strength of minimum 30V)
of PVC-sheathed or rubber-sheathed cable.
8. Pool water sensor and solar sensor cable shall be (2 x min
0.3 mm²), double insulation layer (with insulation strength of
minimum 30V) of PVC-sheathed or rubber-sheathed cable.
9. Water sensor zone 1 and zone 2 cable shall be (2 x min 0.3 mm²),
double insulation layer of PVC-sheathed or rubber-sheathed cable.
10. Demand signal cable shall be (2 x min 0.3 mm²), double insulation
layer of PVC-sheathed or rubber-sheathed cable.
11. SG signal cable shall be (3 x min 0.3 mm²), double insulation layer
of PVC-sheathed or rubber-sheathed cable.
12. Heat/Cool switch cable shall be (2 x min 0.3 mm²), double insulation
layer of PVC-sheathed or rubber-sheathed cable.
13. External compressor switch cable shall be (2 x min 0.3 mm²),
double insulation layer of PVC-sheathed or rubber-sheathed cable.
Holder (Clamper)
(view without internal wiring)
• Power Supply 1 cord
• Power Supply 2 cord
• Indoor Unit/Outdoor Unit Connecting cable
Bind optional
cables with
these bands
Bind optional
cables with
these bands
Optional cables:
• External control cable
• Tank sensor cable
• Room sensor zone 1
• Outdoor air sensor
cable
• Tank OLP cable
• Remote controller
cable
• Buffer tank sensor
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