Lennox VRF VEC034N432U User Manual

DC Inverter Multi VRF System
11
R410A Refrigerant system
Total capacity of downstream indoor units X (kW)
Model
Y type branch
X<20
VEBC01A
20≤X≤30
VEBC01B
30<X≤70
VEBC02A
70<X≤135
VEBC03A
135<X
VEBC04A
4.2.5 Dimension of Pipe between Indoor Branches
Select pipe between indoor branches according to the capacity of downstream indoor units; if the
capacity exceeds that of the outdoor unit, capacity of outdoor unit prevails.
Fig 4.2.5.1
Total capacity of downstream indoor units C (kW)
Gas pipe (mm)
Liquid pipe (mm)
C ≤5.6 Φ12.7 Φ6.35
5.6<C≤14.2
Φ15.9
Φ9.52
14.2<C≤22.4
Φ19.05
Φ9.52
4.2.6 Dimension of Pipe between Indoor Branch and IDU
Dimension of pipe between indoor branch and IDU should be consistent with the dimension of
indoor pipe.
Fig 4.2.6.1

Lennox VRF VEC034N432U Specifications

General

Brand	Lennox
Model	VRF VEC034N432U
Category	Air Conditioner
Language	English