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Safety operation of flammable refrigerant
Qualification requirement for installation and maintenance man
• All the work men who are engaging in the refrigeration system should bear the valid
certification awarded by the authoritative organization and the qualifcation 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.
Table a - Minimum room area (m²)
Charge amount
Floor location
Minimum
Window
room area
mounted
(m²)
Wall mounted
Ceiling moun-
Charge amount
Floor location
Minimum
Window
room area
mounted
(m²)
Wall mounted
Ceiling moun-
Maintenance Notes
• Check whether the maintenance area or the room area meet the requirement of the
nameplate.
-It is only allowed to be operated in the rooms that meet the requirement ofthe 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.
1.2
(kg)
/
/
/
/
ted
1.9
(kg)
31
11.2
3.4
2.3
ted
1.3
1.4
1.5
14.5
16.8
19.3
5.2
6.1
7
1.6
1.9
2.1
1.1
1.3
1.4
2
2.1
2.2
34.3
37.8
41.5
12.4
13.6
15
3.8
4.2
4.6
2.6
2.8
3.1
32
1.6
1.7
1.8
22
24.8
27.8
7.9
8.9
10
2.4
2.8
3.1
1.6
1.8
2.1
2.3
2.4
2.5
45.4
49.4
53.6
16.3
17.8
19.3
5
5.5
6
4.5
3.7
4
GB
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