Technical Data; Service Space: Outdoor Unit - Daikin RXYSQ5T7V1B Installation And Operation Manual

Main code
▪ The stop valve of an outdoor unit is left closed.
▪ The piping and wiring of the specified indoor unit are not
connected correctly to the outdoor unit.
9

Technical data

9.1

Service space: Outdoor unit

When mounting units side by side, the piping route must be to the front, to the back or downwards. In this case the piping route to the side is
not possible.
When mounting the units side by side and routing the piping to the back, you must keep a distance of ≥250 mm between the units (instead of
≥100 mm as shown on the figures below).
Single unit ( ) | Single row of units (
See figure 1 on the inside of the front cover.
A,B,C,D Obstacles (walls/baffle plates)
E Obstacle (roof)
a,b,c,d,e Minimum service space between the unit and obstacles A, B, C, D and E
e Maximum distance between the unit and the edge of obstacle E, in the direction of obstacle B
B
e Maximum distance between the unit and the edge of obstacle E, in the direction of obstacle D
D
H Height of the unit
U
H ,H Height of obstacles B and D
B D
1 Seal the bottom of the installation frame to prevent discharged air from flowing back to the suction side through the bottom of the unit.
2 Maximum two units can be installed.
Not allowed
Multiple rows of units (
See figure 2 on the inside of the front cover.
Stacked units (max. 2 levels) (
See figure 3 on the inside of the front cover.
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.
RXYSQ4~6T7V1B+Y1B
VRV IV-S system air conditioner
4P397284-1 – 2015.05
Cause
)
)
)
Solution
▪ Open the stop valve on both the gas and liquid side.
▪ Confirm that the piping and wiring of the specified indoor
unit are connected correctly to the outdoor unit.
9 Technical data
Installation and operation manual
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