Daikin VRV 5 BS4A14AJV1B, Руководство пользователя

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13 | Special requirements for R32 units
Installer and user reference guide
42
BS4~12A14AJV1B
VRV 5 branch selector unit
4P695527-1 – 2022.02
A
nvmin
≥ 20 mm
≥ 50% A
nvmin
≤ 100 mm
1500
mm
300
mm
200
mm
≥ 20 mm
A
nvmin
Minimal natural ventilation area
For the lower opening:
- It is not an opening to the outside
- The opening cannot be closed
- The opening must be ≥0.012 m² (A
nvmin
)
- The area of any openings above 300 mm from the floor does not count when
determining A
nvmin
- At least 50% of A
nvmin
is less than 200 mm above the floor
- The bottom of the lower opening is ≤100 mm from the floor
- The height of the opening is ≥20 mm
For the upper opening:
- It is not an opening to the outside
- The opening cannot be closed
- The 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 false ceilings,
ventilation ducts or similar arrangements that provide an airflow path between the
connected rooms.
Step 3 – Use the graphs or tables below to determine the required safety
measures for the BS unit.