Gree U-Crown GWH12UB-K6DNA4A/O Manuel du propriétaire - Page 5
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Safety operation of flammable refrigerant
Installation notes
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.
It is not allowed to drill hole or burn the connec-
tion pipe.
Leak test is a must after installation.
table a - Minimum room area ( m )
Charge
window
floor
amount
mounted
location
(kg)
≤1.2
/
1.3
14.5
1.4
16.8
1.5
19.3
1.6
22
1.7
24.8
1.8
27.8
1.9
31
2
34.3
2.1
37.8
2.2
41.5
2.3
45.4
2.4
49.4
2.5
53.6
Maintenance notes
Check whether the maintenance area or the ro-
om 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.
2
wall
ceiling
mounted
mounted
/
/
5.2
1.6
1.1
6.1
1.9
1.3
2.1
1.4
7
1.6
2.4
7.9
2.8
1.8
8.9
3.1
10
3.4
2.3
11.2
3.8
2.6
12.4
2.8
4.2
13.6
4.6
3.1
15
5
16.3
3.4
17.8
5.5
19.3
6
Check whether there is fire source or potential
fire source in the maintenance area.
- The naked flame is prohibited in the mainte-
nance 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 foll-
ow the steps as below:
a. Shut down the unit and cut power supply
/
b. Eliminate the refrigerant
c. Vacuuming
d.
Clean it with N
e. Cutting or welding
f. Carry back to the service spot for welding
The refrigerant should be recycled into the sp-
ecialized storage tank.
Make sure that there isn't any naked flame ne-
ar the outlet of the vacuum pump and it's well-
ventilated.
2.1
Filling the refrigerant
Use the refrigerant filling appliances specia-
lized for R32. Make sure that different kinds
of refrigerant won't contaminate with each other.
The refrigerant tank should be kept upright at
the time of filling refrigerant.
Stick the label on the system after filling is fin-
ished (or haven't finished).
Don't overfilling.
After filling is finished, please do the leakage
detection before test running; another time of
3.7
leak detection should be done when it's removed.
4
Safety instructions
for transportation and storage
Please use the flammable gas detector to ch-
eck before unload and open the container.
No fire source and smoking.
According to the local rules and laws.
gas
2