Gree GWH18AAD-K6DNA1A/O - Page 57

54
Installation and Maintenance
Service Manual
Safety Operation of Flammable Refrigerant






Installation notes

operating heater).


The minimum room area is shown on the nameplate or following table a.

table a - Minimum room area(m
2
)
Maintenance notes

— Its only allowed to be operated in the rooms that meet the requirement of the nameplate.

— The continuous ventilation status should be kept during the operation process.



— Replace the vague or damaged warning mark.
Welding

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


Filling the refrigerant

each other.




when its removed.
Safety instructions for transportation and storage



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 31 34.3 37.8 41.5 45.4 49.4 53.6
5.2 6.1 7 7.9 8.9 10 11.2 12.4 13.6 15 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 )