Gree GWH09ACC-K6DN A1 A/I Service Manual page 53

Safety Operation of Flammable Refrigerant
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Installation notes
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operating heater).
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The minimum room area is shown on the nameplate or following table a.
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Maintenance notes
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— Its only allowed to be operated in the rooms that meet the requirement of the nameplate.
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— The continuous ventilation status should be kept during the operation process.
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— Replace the vague or damaged warning mark.
Welding
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a. Shut down the unit and cut power supply
b. Eliminate the refrigerant
c. Vacuuming
d. Clean it with N2 gas
e. Cutting or welding
f. Carry back to the service spot for welding
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Filling the refrigerant
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each other.
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when its removed.
Safety instructions for transportation and storage
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50
table a - Minimum room area(m
Charge amount (kg) ≤1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9
4 14.5 16.8 19.3 22 24.8 27.8 31 34.3 37.8 41.5 45.4 49.4 53.6
floor location
Minimum
4
room
window mounted
2
area( m )
wall mounted 4
4
ceiling mounted
2
)
5.2 6.1 7 7.9 8.9 10 11.2 12.4 13.6 15 16.3 17.8 19.3
4 4 4 4 4 4 4
4 4 4 4 4 4 4
Service Manual
2 2.1 2.2 2.3 2.4 2.5
4 4.2 4.6 5 5.5 6
4 4 4 4 4
4
Installation and Maintenance