Connecting Method - Vivax HPS-42HM84AERI/I1s User Manual

VIVAX
Connecting method
Max. Difference in height
The largest level difference between indoor unit and outdoor unit should not exceed
20m (if the outdoor unit is above) or 15m (if the outdoor unit is below). Additionally:
(i) If the outdoor unit is above and the level difference is greater than 20m, it is
recommended that an oil return bend with dimensions as specified in Figure 7‐4 is set
every 5m in the gas pipe of the main pipe; and (ii) if the outdoor unit is below and the
level difference is more than 15m, the liquid pipe of the main pipe should be increased
one size.
Size of pipes of Gas side and Liquid s ide
1)
MODEL
4/6kW
8/10kW
1‐phase 12/14/16kW
3‐phase 12/14/16kW
Outdoor unit
Fig. 7‐5
Refrigerant
R32
R32
R32
R32
CAUTION
Gas side/Liquid side
Φ15.9 / Φ6.35
Φ15.9 / Φ9.52
Φ15.9 / Φ9.52
Φ15.9 / Φ9.52
20
ENG
Fig. 7‐4
Indoor unit