Daikin VRV III, Руководство по обслуживанию, Страница: 536 / 567

SiUS34-801A_b Piping Installation Point
Appendix 521
(3) If the piping length between the outside units exceeds 80 inches, create a rise of 80 inches, or
more in the gas piping under a length of 80 inches, from the outside unit multi connection piping
kit.
Prohibited pattern
Oil remains in the stopping outside unit.
Change to pattern 1 or pattern 2
Front connections
Side (bottom) connections
to indoor unit
to indoor unit
Oil remains in the unit A when system stops.
Change as shown in the figure below.
Rising height :
8 in. or more
Unit B
Unit B
Unit A
Unit A
Unit
A
Unit
B
Unit
B
Unit
A
Unit
A
Unit
A
Unit
B
Unit
B
Unit
A
Unit
A
Unit
B
Unit
B
Connect straightly
Oil remains in the unit B when system stops.
Change as shown in the figure below.
Connect straightly Put rising
to indoor unit
to indoor unit
If less than 80 in.
If 80 in. or more
Rising height :
8 in. or more
less than 80 in.
less than 80 in.
Unit
A
Unit
B
Unit
A
Unit
B
Gas pipe between
outside units
Gas pipe between
outside units