Gree GMV-S280W/A-X

GMV5 Home DC Inverter Multi VRF Units
193
（1）Additional refrigerant charge of liquid pipe(kg) = ∑length of liquid pipe × refrigerant
charge amount of every meter of liquid pipe
No.
L1
L2
L3
a
b
c
n
m
j
Pipe
diameter
φ9.52
φ9.52
φ9.52
φ9.52
φ9.52
φ9.52
φ9.52
φ9.52
φ9.52
Length
10m
10m
5m
5m
5m
10m
5m
5m
8m
Additional
charge
amount
0.54
0.54
0.27
0.27
0.27
0.54
0.27
0.27
0.432
（
2
）
Additional refrigerant charge of hydro box(kg)=0.3*2=0.6kg
（
3
）
Additional refrigerant charge of high pressure gas pipe(kg)=Σlength of high pressure
pipe × refrigerant charge amount of every meter of high pressure pipe=2.1kg
No.
i
j
m
Pipe diameter
φ15.9
φ12.7
φ12.7
Length
10m
5m
5m
Additional charge amount
1.2
0.45
0.45
（4）Total additional refrigerant charge amount(kg)=3.402+0.6+2.1=6.102kg