Table 8 Sound Level Of The Drive Shelf - Fujitsu ETERNUS AB Series Site Planning Manual

1. ETERNUS AB/HB Installation
Installation Specifications
Maximum
amount of
exhaust air
Environmental
conditions
Noise
emission (*7)
*1: A 2U power distribution unit is composed of two 1U power distribution units.
*2: These values are for each shelf when 24 drives are installed in a 2.5" type shelf or 12 drives are installed in
a 3.5" type shelf.
*3: The value in the parentheses for the controller shelf and drive shelves includes the mass of the rack rail kit.
*4: These values are for the maximum load when all the available options are installed in a 2.5" type or 3.5"
type ETERNUS AB/HB.
*5: The operating test was performed in environments compatible with the Operating Condition Class A4 of
the EU eco-design directive (ErP Directive 2009/125/EC).
*6: The operating test was performed in environments compatible with the Operating Condition Class A3 of
the EU eco-design directive (ErP Directive 2009/125/EC).
*7: For details about the sound level of the drive shelf, refer to
14).
Table 8 Sound Level of the Drive Shelf
Sound pressure level
Sound power level
Item
Controller shelf
Drive shelf
Temperature Operating
Not operating
During shipment
Temperature gradient
Humidity Operating
Not operating
During shipment
Humidity gradient
Maximum wet bulb temperature
Altitude above sea level
Airborne dust
Gas concentration tolerance level
Oil vapor
Seawater (salt corrosion)
Sound pressure level
Sound power level
DE212C
64 dBA
6.4 B
ETERNUS HB1100
-
-
5 – 45 °C (*5)
-40 – 70 °C
-40 – 70 °C
15 °C/Hr or less
8 – 90 %RH (*5)
5 – 95 %RH
10 – 95 %RH
30 %/day or less
29 °C
0 – 3,048 m
0.15 mg/m
Cl : 6.8 ppb or less, H
2
SO : 37 ppb or less, NH
2
NO : 52.3 ppb or less, O
2
HCl: 6.6 ppb or less, HF: 3.6 ppb or less
3
0.2 mg/m
If the ETERNUS AB/HB is installed on the
ocean or premises within 0.5 km from the
coast, necessary measures must be taken
to prevent salt corrosion.
64 dBA
6.4 B
"Table 8 Sound Level of the Drive Shelf" (page
DE224C
51 dBA
6.7 B
14
ETERNUS HB1200
-
-
5 – 40 °C (*6)
8 – 85 %RH (*6)
3
or less
S: 7.1 ppb or less,
2
: 423.5 ppb or less,
3
: 5 ppb or less,
3
or less
Site Planning Guide