Daikin VRV 5-S Series - Page 154

28 | Technical data
Installer and user reference guide
154
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600330-1 – 2020.01
b (mm)
≥1000
≥200
≥2000
≥100
≥3000
≥1500
b
≥ 100
(1)
H
B
H
U
≥ 100
(1)
≥ 100
(1)
H
B
≤½H
U
b≥250
½H
U
<H
B
≤H
U
b≥300
H
B
>H
U
H
B
H
U
≥ 100
(1)
≥ 100
(1)
≥ 100
(1)
(1) For better serviceability, use a distance ≥250mm
Stacked units (max. 2 levels) ( )
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.