Page 1998 - Foton Workshop Manual - Tunland (AT)

61-2 HEATER AND AIR CONDITIONING - HEATING & AIR-CONDITIONING SYSTEM

PRECAUTION

1 . When servicing the A/C system, ensure the environment and tools are neat.
2 . Before the service, disconnect the negative battery cable.
61 3 . When operating the refrigerant, ensure personal protection and avoid contacting
or inhaling the refrigerant.
4 . When overhauling the A/C pipe, keep the workspace well ventilated. Don't weld
any A/C pipe containing refrigerant.
5 . If disconnected, seal the A/C pipe with a plug and prevent moisture in the air
from entering the system.
6 . Don't directly discharge the refrigerant into the air. Collect it with specialized
equipment and dispose it as required.
7 . Store the container with refrigerant in a cool area, free of sun exposure and high
temperature, or it may lead to expansion and even explosion.
8 . Flammable mixture may occur if the compressed air is blended with the
refrigerant.
9 . Work with specialized equipments according to the type of the refrigerant.
10 . Before topping up the refrigerant, vacuum the system for 5-30 minutes.
11 . Store the refrigerant and coolant as required and prevent the moisture in the air
or other impurities from entering the storage. Don't use any coolant that is not
sealed during storage or any expired coolant.

Page 1998