Daikin RXYSQ6T7Y1B9 Installer's Manual page 41

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.
RXYSQ6T7Y1B9
VRV IV-S system air conditioner
4P404677-1A – 2016.03
)
≥100
≥100 ≥100
≥2000
≥100
≥100
H
U
)
≥100
≥100
H
B
b
≥3000
≥600
≥1500
A2
≥100
≥1000
B2
≥100
B2
≥1000
13 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
≥100
A2 A2
≥300
≥100
B2
≥100
≥100
≥300
Installer and user reference guide
41