Daikin REYQ96MTJU Installation Manual page 11

Prohibited pattern
to indoor unit
to indoor unit
Oil collects to the stopping outdoor unit.
Change to pattern 1 or pattern 2
Unit A
Unit B
to indoor unit
Oil collects to the outdoor unit B when the system stops.
Change as shown in the figure below.
to indoor unit
3.
If the piping length between the outdoor unit-connecting pipe kits or
between the outdoor units exceeds 80 in., create a rise of 8 in. or
more in the gas line within a length of 80 in. from the kit.
If 80 in. or less
Piping between outdoor units
to indoor unit
If 80 in. or more
Piping between
outdoor units
Unit A
Unit B
to indoor unit
Rising height:
8 in. or more
to indoor unit
80 in. or less
Rising height:
8 in. or more
80 in. or less 80 in.
or more
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