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Specific installer safety instructions
Installer and user reference guide
24
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600330-1 – 2020.01
For the upper opening:
-
The opening cannot go outdoors
-
The opening cannot be closed
-
The upper opening must be ≥0.006 m² (50% of A
nvmin
)
-
The bottom of the upper opening must be ≥1500 mm above the
floor
-
The height of the opening is ≥20 mm
Note:
The requirement for the upper opening can be met by drop
ceilings, ventilation ducts or similar arrangements that provide an airflow
path between the connected rooms.
2
Depending on the installation height of the indoor units, different values may
be used in the next step IF:
▪
installation height is1.8≤x<2.2 m, then use the charge limit of the graph for
wall-mounted units.
▪
installation height is ≥2.2 m, then use the charge limit of the graph for
ceiling-mounted units.
NOTICE
Wall mounted units cannot be installed lower than 1,8 m from the lowest point of
the floor. Ceiling mounted units cannot be installed lower than 2,2 m from the lowest
point of the floor.
3
Use the graph or table below to determine the total refrigerant charge limit in
the system.
In case there are any underground floors in the building, there are special
requirements for the maximum allowable charge.
The maximum allowable charge is determined by using graph (a), (b) or (d)
for room with the smallest area on the lowest underground floor.
The maximum allowable charge has to be assessed for the room with the
smallest room area in both the lowest underground floor and the other
floors.
The lowest maximum allowable charge of both MUST be used.
Note:
The derived charge value should be rounded down.
OTHER FLOORS
Curve (c) = room area ≥10 m²
Curve (d) = room area ≥15 m²
Curve (a) OR (b) = room area <15 m²
LOWEST UNDERGROUND FLOOR
Summary of Contents for VRV 5-S Series
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