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12 Technical data
Multiple rows of units (
≥200
≥1000
Stacked units (max. 2 levels) (
A1
B1
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.
12.3
Piping diagram: Outdoor unit
sv
LPS
A
B
Charge port / Service port (with 5/16" flare)
Stop valve
Filter
Installer reference guide
28
)
≥100
≥100
≥2000
≥250
≥250
H
U
)
HPS
≥100
≥100
H
≥100
B
b
≥3000
≥1500
A2
≥100
≥1000
B2
≥100
B2
≥1000
Check valve
Pressure relief valve
Solenoid valve
Heat sink (PCB)
Capillary tube
Electronic expansion valve
4‑way valve
High pressure switch
LPS
Low pressure switch
Compressor accumulator
Heat exchanger
H
H
b (mm)
B
U
H
≤½H
b≥250
B
U
½H
<H
≤H
b≥300
U
B
U
H
>H
B
U
≥100
A2
≥500
≥500
≥300
≥100
B2
≥100
≥100
≥300
RZASG71~140M_V1+Y1
Sky Air Advance-series
4P486047-1 – 2017.04
A2
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