Midea VC Pro Series

VC Pro VRF 50/60Hz
148
Midea VC Pro Series Engineering Data Book
Ducting for 18-22HP Units
3.3.3 Option A – Transverse ducting
Figure 3-3.4: Transverse ducting for 18-22HP units (unit: mm))
Table 3-3.5: Duct dimensions
Table 3-3.6: External static pressure
Dimensions (mm)
ESP (Pa)
Remarks
A
A ≥ 300
0
Factory default
B
B ≥ 250
0 – 20
Remove steel mesh and connect to duct < 3m long
C
C ≤ 3000
> 20
Customization option
D
725 ≤ D ≤ 760
E
E = A + 725
θ
Θ ≤ 15°
3.3.4 Option B – Longitudinal ducting
Figure 3-3.5: Longitudinal ducting for 18-22HP units (unit: mm)
Table 3-3.7: Duct dimensions
Table 3-3.8: External static pressure
Dimensions (mm)
ESP (Pa)
Remarks
A
A ≥ 300
0
Factory default
B
B ≥ 250
0 – 20
Remove steel mesh and connect to duct < 3m long
C
C ≤ 3000
> 20
Customization option
D
D ≥ 1290
E
E = A + 1210
θ
Θ ≤ 15°
1210
725