Panasonic CU-YL28HBE5, Service Manual

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20. After completion of the installation servicing confirm there is no leakage of refrigerant gas. It may generate toxic gas when the
refrigerant contacts with fire.
21. Ventilate if there is refrigerant gas leakage during operation. It may cause toxic gas when the refrigerant contacts with fire.
22. Must not use other parts except original parts described in catalog and manual.
1. Do not install the unit at place where leakage of flammable gas may occur. In case gas leaks and accumulates at surrounding of the
unit, it may cause fire.
2. Carry out drainage piping as mentioned in installation instructions. If drainage is not perfect, water may enter the room and damage
the furniture.
3. Tighten the flare nut with torque wrench according to specified method. If the flare nut is over-tightened, after a long period, the flare
may break and cause refrigerant gas leakage.
4. Do not touch outdoor unit air inlet and aluminium fin. It may cause injury.
5. Select an installation location which is easy for maintenance.
6. Pb free solder has a higher melting point than standard solder; typically the melting point is 50
°
F - 70
°
F (30
°
C - 40
°
C) higher. Please
use a high temperature solder iron. In case of the soldering iron with temperature control, please set it to 700 ± 20
°
F (370 ± 10
°
C).
Pb free solder will tend to splash when heated too high (about 1100
°
F / 600
°
C).
7. Power supply connection to the conditioner. Connect the power supply cord of the air conditioner to the mains using one of the
following methods.
Power supply point shall be the place where there is ease for access for the power disconnection in case of emergency. In some
countries, permanent connection of this room air conditioner to the power supply is prohibited.
1. Power supply connection to the receptacle using a power plug. Use an approved power plug with earth pin for the connection
to the socket.
2. Power supply connection to a circuit breaker for the permanent component. Use an approved circuit breaker for the permanent
connection. It must be a double pole switch with a minimum 3.5 mm contact gap.
8. Do not release refrigerant during piping work for installation, servicing, reinstallation and during repairing a refrigeration parts. Take
care of the liquid refrigerant, it may cause frostbite.
9. Installation work. It may need two people to carry out the installation work.
10. Do not install this appliance in a laundry room or other location where water may drip from the ceiling, etc.