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Daikin RXYQ5PY1 Service Manual Page 285

Daikin r-410a heat pump 50hz/60hz cooling only 50hz.
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SiEN34-705
Installation Manual
(2) To avoid the risk of oil detention in the stopping unit, always connect the shutoff valve
and the piping between outdoor units as shown in the figure A or figure B.
A
B
Front connections
Prohibited pattern
Change to pattern 1 or pattern 2
Unit A
to indoor unit
to indoor
unit
(3) If the piping length between the outdoor units exceeds 2 m, create a rise of 200 mm or
more in the gas line under a length of 2 m from the outdoor unit multi connection piping
kit.
If less than 2m
If 2 m or more
Outdoor unit gas pipe
A
B
Side (bottom) connections
Front connections
to indoor unit
Side (bottom) connections
to indoor unit
Oil remains in the stopping outdoor unit.
Unit A
Unit B
to indoor unit
Oil remains in the outdoor unit B when the system stops.
Change as shown in the figure below.
to indoor unit
Outdoor unit gas pipe
to indoor unit
less than 2m
Rising height:
200 mm or more
to indoor unit
less than 2m
2m or more
Heat Pump 60Hz (RXYQ5~54P)
Unit B
Rising height:
200 mm or more
279

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  • GMacD Dec 22, 2015 11:58:
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