VC Pro VRF 50/60Hz 
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Part 3 - System Design and Installation 
3.3 Ducting for 8-16HP Units 
3.3.1 Option A – Transverse ducting 
Figure 3-3.2: Transverse ducting for 8-16HP units (unit: mm) 
 
Table 3-3.1: Duct dimensions 
Table 3-3.2: External static pressure 
Remove steel mesh and connect to duct < 3m long 
 
3.3.2 Option B – Longitudinal ducting 
Figure 3-3.3: Longitudinal ducting for 8-16HP units (unit: mm) 
 
Table 3-3.3: Duct dimensions 
Table 3-3.4: External static pressure 
Remove steel mesh and connect to duct < 3m long