DC Inverter Multi VRF System
11
4.4.4 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.16
R410A Refrigerant system
Total capacity of downstream indoor units C (Btu/h)
Model
Y type branch
C<68200
FQ01A/A
68200≤C≤102400
FQ01B/A
102400<
C≤238800
FQ02/A
238800<
C≤460600
FQ03/A
460600<C
FQ04/A
4.4.5 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. 17
Total capacity of downstream indoor units C (Btu/h)
Gas pipe (mm/inch)
Liquid pipe (mm/inch)
C
≤19000
Φ12.7(Φ1/2)
Φ6.35(Φ1/4)
19000<C≤48500
Φ15.9(Φ
5/8)
Φ9.52(Φ
3/8)
48500<C≤76400
Φ19.05(Φ3/4)
Φ9.52(Φ3/8)
Summary of Contents for GMV-12WP/A-T
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