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VC Pro VRF 50/60Hz

147

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

Dimensions (mm)

ESP (Pa)

Remarks

A ≥ 300

Factory default

B ≥ 250

0 – 20

Remove steel mesh and connect to duct < 3m long

C ≤ 3000

> 20

Customization option

725 ≤ D ≤ 760

E = A + 725

Θ ≤ 15°

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