INSTALLATION INSTRUCTIONS
12
33
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.
Qualification requirement for installation and maintenance man
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).
Maintenance notes
Welding
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
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.
nameplate.
Check whether the appliance mark is in good condition.
- Replace the vague or damaged warning mark.
If you should cut or weld the refrigerant system pipes in the process of maintaining,
please follow the steps as below:
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 ( m )
2
Charge amount (kg)
≤1.
2
1.
3
1.
4
1.
5
1.
6
1.
7
1.
8
1.9
2
2.1
2.2 2.3 2.4 2.5
/
/
/
/
14.
5
16.
8
19.3
22 24.8 27.8 3
1
34.3 37.8
41.
5 45.4
49.
4 53.6
5.2 6.
1
7 7.
9
8.
9 1
0
11.
2
12.
4
13.
6
1
5
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
5 5.5
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
4
floor location
wall mounted
window mounted
ceiling mounted
Minimum
room
2
area( m )
Safety operation of flammable refrigerant
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