Daikin RXYSQ4T8VB Series Installer And User Reference Manual page 128

26 | Technical data
Multiple rows of units (
≥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.
Installer and user reference guide
128
)
≥100
≥2000
≥100
≥200
≥100
H
)
≥100
≥100
≥100
≥100
H
b
≥3000
≥600
U
≥1500
A2
B2
B2
H H
B U
H ≤½H
B U
½H <H ≤H
U B U
H >H
B U
B
≥100
A2
≥1000
≥100
B2
≥100
≥1000
b (mm)
b≥250
b≥300
≥100
A2
≥300
≥100
≥100
≥300
RXYSQ4~6T8V/YB
VRV IV-S system air conditioner
4P482277-1B – 2020.10