Daikin RXYQ96PYDN Service Manual page 536

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