WARNING
Immediately stop operation of the appliance, disconnect the electricity and contact the nearest Technical Assistance
Centre in the following cases:
•
Hear any harsh sound or smell any awful odor during running.
•
Abnormal heating of power cable and plug occurs.
•
The unit or remote controller has any impurity or water.
•
Air switch or leakage protection switch is often disconnected.
SAFETY OPERATION OF FLAMMABLE REFRIGERANT
Qualification requirement for installation and maintenance
•
All workers who engage with the refrigeration system should bear the valid certification awarded by the authoritative
organization, and the qualification recognized by the industry for dealing with the refrigeration system.
•
The refrigeration system can only be repaired following the methods suggested by the equipment's manufacturer.
Installation notes
•
The air conditioner mustn't be used in a room that has running fire or heat sources (such as, working coal gas
ware, operating heater).
•
Do not drill holes in the circuit 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 following "table a".
•
Leak test is mandatory after installation.
Charge amount (kg)
Floor location
Minimum room
Window mounted
area (m
)
2
Wall mounted
Ceiling mounted
Maintenance notes
•
Check whether the maintenance area or the room area meet the requirement of "table a" the unit is only allowed
to be operated in rooms that meet these requirements.
•
Check whether the maintenance area is well-ventilated. The continuous ventilation status should be kept during the
entire operation process.
•
Check whether there is a fire source or potential fire source in the maintenance area. Running fire is prohibited in
the maintenance area and the "no smoking" sign should be hanged.
•
Check whether the warning sign is in good condition, otherwise replace it.
Welding
•
If it is necessary to cut or weld the refrigerant system pipes in the maintenance procedures, please follow the steps
here below:
•
Shut down the unit and cut power supply
•
Eliminate the refrigerant
•
Vacuum with a vacuum machine
•
Clean the pipes with the N2 gas
•
Cut and weld or
•
Bring the unit to a service centre for welding
•
The refrigerant should be recycled in a specialized storage tank.
•
Make sure there aren't any free flames near the outlet of the vacuum pump and that it's well-ventilated.
V 11/23
NOTICES FOR INSTALLATION
TABLE A - Minimum room area (m
≤1.2
1.3
1.4
/
14.5 16.6 19.3
/
5.2
6.1
/
1.6
1.9
/
1.1
1.3
)
2
1.5
1.6
1.7
1.8
1.9
22
24.8 27.8
31
7
7.9
8.9
10
11.2 12.4 13.6
2.1
2.4
2.8
3.1
3.4
1.4
1.6
1.8
2.1
2.3
2
2.1
2.2
2.3
34.3 37.8 41.5 45.4 49.4 53.6
15
16.3 17.8 19.3
3.8
4.2
4.6
5
2.6
2.8
3.1
3.4
2.4
2.5
5.5
6
3.7
4
46