Idiomas disponibles
Idiomas disponibles
Safety operation of flammable refrigerant
Qualification requirement for installation and maintenance man
will
● All the work men who are engaging in the refrigeration system should bear the
-
valid certification awarded by the authoritative organization and the qualification for
dealing with the refrigeration system recognized by this industry. If it needs other
technician to maintain and repair the appliance, they should be supervised by the
person who bears the qualification for using the flammable refrigerant.
● It can only be repaired by the method suggested by the equipment's manufacturer.
Installation notes
● The air conditioner is not allowed to use in a room that has running fire (such as
fire source, working coal gas ware, operating heater).
● It is not allowed to drill hole or burn the connection pipe.
● The air conditioner must be installed in a room that is larger than the minimum room
area. The minimum room area is shown on the nameplate or following table a.
● Leak test is a must after installation.
Minimum
Maintenance notes
● Check whether the maintenance area or the room area meet the requirement of
the nameplate.
- It's only allowed to be operated in the rooms that meet the requirement of the
nameplate.
● Check whether the maintenance area is well-ventilated.
- The continuous ventilation status should be kept during the operation process.
● Check whether there is fire source or potential fire source in the maintenance area.
- The naked flame is prohibited in the maintenance area; and the "no smoking"
warning board should be hanged.
● Check whether the appliance mark is in good condition.
- Replace the vague or damaged warning mark.
Welding
● If you should cut or weld the refrigerant system pipes in the process of maintaining,
please follow the steps as below:
Table a - Minimum room area (m
Charge amount (kg)
Floor location
room
Window mounted
area
(m
)
2
Wall mounted
Ceiling mounted
≤1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9
/
14.5 16.8 19.3 22 24.8 27.8 31 34.3 37.8 41.5 45.4 49.4 53.6
/
5.2 6.1
7
7.9 8.9 10 11.2 12.4 13.6 15 16.3 17.8 19.3
/
1.6 1.9 2.1 2.4 2.8 3.1 3.4 3.8 4.2 4.6
/
1.1 1.3 1.4 1.6 1.8 2.1 2.3 2.6 2.8 3.1 3.4 3.7
26
)
2
2
2.1 2.2 2.3 2.4 2.5
5
5.5
6
4
