Safety Requirements For Electric Appliances; Ground Requirements; Accessories: 2 Way Or 3 Way On/Off Valves - Panasonic PAW-FC Installation And Maintenance Manual

8.5 Safety requirements for electric appliances

1. The electrical power supply of the appliance must correspond to that indicated on the data plate and the power supply cable
must be suitably sized.
2. Do not drag the power cable.
3. It should be reliably earthed, and it should be connected to the special earth device, the installation work should be operated
by a suitably qualified professional.
4. The min. distance from the unit and any combustible surface is 1.5 m.
5. The appliance shall be installed in accordance with national wiring regulations.
6. An all-pole disconnection switch having a contact separation of at least 3 mm in all poles should be connected in fixed wiring.
Note: Check line, neutral and earth connections.

8.6 Ground requirements

1. Air conditioner is a type I electric appliance, thus please do conduct reliable grounding measures.
2. The yellow-green two-colour wire in air conditioner is the earthing conductor and cannot be used for any other purpose.
It is not allowed to make cuts or fix screws on the structure to connect the grounding. Use the special clamp for the ground
connection.
3. The earth resistance should follow the local code.
4. The power source must offer a reliable grounding terminal. The earthing conductor must not be connected to any of the
following:
Tap water pipe.
o
Gas pipe.
o
Contamination pipe.
o
o Other places that professional personnel consider unreliable.
5. The type and rated values of fuse is justified according to the silk print on the fuse or PCB.

9. Accessories: 2 way or 3 way ON/OFF valves

A 2-way valve or 3-way regulating valve, whose installation is mandatory to ensure that the appliance operates correctly, can be
obtained from the supplier as accessory.
The following table shows which valve model must be chosen for the relevant Fan Coil Cassette model.
Fan Coil Cassette units
Model Pipe configuration
2-pipe configuration
PAW-FC**-U***
4-pipe configuration
Size
U020 – U040
U050 – U070
U020 – U040
U050 – U070
22
Valves
2-way valve
PAW-FC2-2WY-U020
PAW-FC2-2WY-U050
PAW-FC4-2WY-U020
PAW-FC4-2WY-U050
3-way valve
PAW-FC2-3WY-U020
PAW-FC2-3WY-U050
PAW-FC4-3WY-U020
PAW-FC4-3WY-U050