Panasonic WH-SDC03H3E5 Service Manual page 62

11.2.3 How To Fix Cable
11.2.3.1 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.
1. Two-way valve shall be spring and electronic type,
refer to "Field Supply Accessories" table for details.
Valve cable shall be (3 × min 1.5 mm
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 × min 1.5 mm
type designation 60245 IEC 57 or 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 cable must be (4 or 3 × min 0.5
2
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 × min 1.5
mm 2 ), of type designation 60245 IEC 57 or
heavier.
5. Extra pump cable shall be (2 × min 1.5 mm
type designation 60245 IEC 57 or heavier.
6. Boiler contact cable shall be (2 × min 0.5 mm
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 × min 0.5 mm
of PVC-sheathed or rubber-sheathed cable.
* note: - Switch used shall be CE compliance
component.
- Maximum operating current shall be less
than 3A .
rms
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 × min 0.3 mm
double insulation layer (with insulation strength of
min 30V) of PVC-sheathed or rubber-sheathed
cable.
2 ), of type
2
), of
2 ), of
2 ), of
2
), double insulation layer
2 ),
Tank Sensor Resistant Vs Temperature
16000
14000
12000
10000
8000
6000
4000
2000
0
Graph 7.1: Tank sensor characteristic
9. Room sensor zone 1 cable shall be (2 × min 0.3
2
mm ) double insulation layer of PVC-sheathed or
rubber-sheathed.
10. Outdoor air sensor cable shall be (2 × min 0.3
2
mm ) double insulation layer of PVC-sheathed or
rubber-sheathed.
11. Tank OLP cable must be (2 × min 0.5 mm
double insulation layer of PVC-sheathed or
rubber-sheathed cable.
Main PCB
Power Supply 2
RCCB/ELCB
Power Supply 1
RCCB/ELCB
Indoor
terminal for
connecting
cables
Holder (Clamper)
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

For connection to optional PCB
1. By connecting optional PCB, 2 Zone temperature
control can be achieved. Please connect mixing
62
-30 -20 -10 0 10 20
˚C
Optional cables:
•
External control
cable
•
Tank sensor cable
•
Room sensor
zone 1
•
Outdoor air sensor
cable
•
Tank OLP cable
•
Remote controller
cable
•
Power Supply 1 cord
•
Power Supply 2 cord
•
Indoor Unit/Outdoor Unit Connecting cable
30
2 ),
Bind optional
cables with
these bands
Bind optional
cables with
these bands