Panasonic WH-UD09CE5-A [46/146] Connect the cable to the indoor unit
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Panasonic WH-UD09CE5-A [46/146] Connect the cable to the indoor unit

Panasonic WH-UD09CE5-A [46/146] Connect the cable to the indoor unit
46
11.3.4. CONNECT THE CABLE TO THE INDOOR UNIT
1. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x 4.0 or 6.0 mm
2
flexible cord, type designation 60245 IEC 57 or heavier cord.
• Ensure the colour of wires of outdoor unit and the terminal Nos. are the same to the indoor unit’s respectively.
• Earth wire shall be longer than the other wires as shown in the figure for the electrical safety in case of the slipping out of the
cord from the Holder (Clamper).
2. Cable connection to the power supply through isolating device (Disconnecting means).
• Isolating device (Disconnecting means) should have minimum 3.0 mm contact gap.
• Connect the approved polychloroprene sheathed power supply 1 cord (3 x 4.0 mm
2
or 6.0 mm
2
) and power supply 2 cord (3
x 4.0 mm
2
) and type designation 60245 IEC 57 or heavier cord to the terminal board, and to the other end of the cord to
isolating device (Disconnecting means).
3. To avoid cable harmed by sharp edge, cable and cord must go through bushing (located at the bottom of indoor unit) before
carry out electrical connection. The bushing must be used and must not take off.
Connecting with external device (optional)
1. All connections should follow to the local national wiring standard.
2. It is strongly recommended to use manufacturer-recommended parts and accessories for installation.
3. Maximum output power of booster heater should be ≤
3 kW. Booster Heater’s cable must be (3 x min 1.5 mm
2
), of type
designation 60245 IEC 57 or heavier.
4. Three-Way Valve shall be spring and electronic type. Valve’s cable shall be (3 x min 0.5 mm
2
), of type designation 60245 IEC
57 or heavier, or similarly double insulation sheathed cable.
* note: - Should be CE marking compliance component.
- It should be directed to heating mode when it is OFF.
- Maximum load for the valve is 3VA.
5. Receiver shall be connected to “Room Thermostat”, refer to “Field Supply Accessories” table for details. Receiver’s cable
must be (4 or 3 x min 0.5 mm
2
), double insulation layer of PVC-sheathed or rubber-sheathed cable. (connection refer to
Diagram 5.2).
6. Tank OLP’s cable must be (2 x min 0.5 mm
2
), double insulation layer of PVC-sheathed or rubber-sheathed cable.
* note: if such connection deemed NO necessary for tank OLP, please connect jumper between terminal no #13 and #14.
7. Tank Sensor shall be resistance type, please refer to Graph 5.1 for the characteristic and details of sensor. Its cable shall be
(2 x min 0.3 mm
2
), double insulation layer (with insulation strength of min 30V) of PVC-sheathed or rubber-sheathed cable.
8. External Controller shall be connected to 1-pole switch with min 3.0mm contact gap. (connection refer to Diagram 5.3). Its
cable must be (2 x min 0.5 mm
2
), double insulation layer of PVC-sheathed or rubber-sheathed cable.
* note: - When making such connection, kindly remove the jumper between terminal no #17 and #18.
- Switch used shall be CE compliance component.
- Maximum operating current shall be less than 3A
rms
.
9. Solar Three Way Valve’s cable shall be (3 x min 0.5 mm
2
), double insulation layer PVC-sheathed or rubber-sheathed cable.
10. Must install Solar Connection PCB to indoor unit when Solar Pump Station is utilized. Refer Solar Connection PCB’s
installation instruction for detail of installation.
11. Solar Pump Station’s cable shall be (2 x min 0.5 mm
2
), of
double insulation PVC-sheathed or rubber-sheathed
cable. Strongly recommended install with maximum
length of 10 meter only.

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