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13
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Technical data
Installer reference guide
79
RZAG71~Y1
Sky Air Alpha-series
4P695307-1 – 2022.05
A1
A2
≥500
≥1000
A2
≥500
≥300
≥100
(1)
≥100
(1)
B1
A2
B2
≥100
≥300
B2
≥100
≥1000
B2
≥100
(1)
≥100
(1)
(1)
For better serviceability, use a distance ≥250 mm
A1=>A2
(A1) If there is danger of drainage dripping and freezing between the upper and lower units…
(A2) Then install a
roof
between the upper and lower units. Install the upper unit high enough above the lower unit to
prevent ice buildup at the upper unit's bottom plate.
B1=>B2
(B1) If there is no danger of drainage dripping and freezing between the upper and lower units…
(B2) Then it is not required to install a roof, but
seal the gap
between the upper and lower units to prevent discharged air
from flowing back to the suction side through the bottom of the unit.
13.3 Piping diagram: Outdoor unit
LPS
HPS
A
B
Service port (with 5/16" flare)
Stop valve
Filter
PCB cooling
Muffler
Electronic expansion valve
4‑way valve
High pressure switch
Summary of Contents for Sky Air Alpha Series
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