5.8 Oil return measures
If the outdoor unit is installed at a higher level than
the indoor unit, suitable oil return measures must
be taken. Usually, an oil pump bend is installed for
every 7 metres of height difference.
1
A
B
2
Fig. 23: Oil return measures
A: Outdoor unit
B: Indoor unit
1: One oil pump bend in suction pipe to outdoor
unit every 7 metres of height difference, radius:
50 mm
2: Max. 20 m
REMKO RVT series
32
