Piping Diagram: Outdoor Unit - Daikin Sky Air Advance Series Installer's Reference Manual

2 Maximum two units can be installed.
Not allowed
Multiple rows of units (
≥200
≥1000
(1) For better serviceability, use a distance ≥250 mm
Stacked units (max. 2 levels) (
A1
B1
(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.
12.3

Piping diagram: Outdoor unit

A
B
Service port (with 5/16" flare)
Stop valve
RZA200+250D7Y1B
Sky Air Advance-series
4P573383-1 – 2019.04
)
≥100 ≥100
≥2000
(1)
≥100
(1)
≥100 H
U
)
sv
HPS
(1)
≥100
≥100 (1)
(1)
H
(1)
≥100
B
b
≥3000
≥1500
A2
≥100
≥1000
B2
≥100
B2
≥1000
Filter
Check valve
Muffler
Solenoid valve
PCB cooling
Capillary tube
Electronic expansion valve
4‑way valve
High pressure switch
LPS
Low pressure switch
Heat exchanger
Compressor
Distributor
12 Technical data
H H b (mm)
B U
H ≤½H b≥250
B U
½H <H ≤H b≥300
U B U
H >H
B U
(1)
(1)
≥100
A2
≥500
≥500
≥300
(1) (1)
≥100
B2
≥100
≥100
≥300
Installer reference guide
A2
31