State
Controller
DBS/DBSE, DBL/DBLE, DB60 drive
trays
DB60 drive tray
Operating
(m)
3,050
(Environme
ntal
temperatur
e: 10°C to
28°C)
3,050 (Environmental temperature:
10°C to 28°C)
3,050
(Environmental
temperature: 10°C
to 28°C)
950
(Environme
ntal
temperatur
e: 10°C to
40°C)
950 (Environmental temperature:
10°C to 40°C)
950 (Environmental
temperature: 10°C
to 35°C)
Non-
operating
(m)
-60 to 12,000
Note:
1. Meets the highest allowable temperature conditions and complies with ASHRAE
(American Society of Heating, Refrigerating and Air-Conditioning Engineers) 2011
Thermal Guidelines Class A2. The maximum value of the ambient temperature
and the altitude is from 35ºC at an altitude of 950m (3000 feet) to 28ºC at an
altitude of 3050m (1000 feet).
The allowable ambient temperature is decreased by 1ºC for every 300m increase
in altitude above 950m.
Gaseous contaminant
Avoid areas exposed to corrosive gas and salty air.
State
Controller
FMD, DBS/DBSE, DBL/
DBLE, and DB60 drive
trays
Operating
Gaseous contamination should be within ANSI/ISA
S71.04-2013 G1 classification levels.
1
Non-operating
1
Recommends the data centers maintain a clean operating environment by
monitoring and controlling gaseous contamination.
Environmental specifications
Appendix B: System specifications
Hitachi Virtual Storage Platform G900 Hardware Reference Guide
78
