Lennox VRF VEC060N432U

DC Inverter Multi VRF System
10
4.2.3 Dimension of Pipe (Main Pipe) from ODU to the 1st Indoor Branch
Dimension of pipe from ODU to the 1st indoor branch will be determined by the dimension of
outdoor connection pipe.
Fig 4.2.3.1
Dimension of outdoor connection pipe.
Basic module
Pipe dimension
Gas pipe (mm)
Liquid pipe (mm)
VEC027N432U
Φ15.9
Φ9.52
VEC034N432U
Φ15.9
Φ9.52
VEC042N432U
Φ15.9
Φ9.52
VEC048N432U
Φ15.9
Φ9.52
VEC055N432U
Φ19.05
Φ9.52
VEC060N432U
Φ19.05
Φ9.52
4.2.4 Selection of Indoor Branches
Select indoor branches according to the total capacity of downstream indoor units. If the capacity
exceeds that of the outdoor unit, capacity of outdoor unit prevails.
Fig 4.2.4.1