Lenovo Storage N4610, User Manual And Hardware Maintenance Manual

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Environment
The following table provides information about the ASHRAE class A2, class A3, and class A4 specifications.
Table 1. ASHRAE class A2, class A3, and class A4 specifications
ASHRAE class A2 ASHRAE class A3 ASHRAE class A4
Air temperature
(operating) 10°C to 35°C (50°F to 95°F) 5°C to 40°C (41°F to 104°F) 5°C to 45°C (41°F to 113°F)
Air temperature
(storage) 40°C to 60°C (-40°F to
140°F) in original shipping
package 40°C to 60°C (-40°F to
140°F) in original shipping
package 40°C to 60°C (-40°F to
140°F) in original shipping
package
Humidity (operating) 8% to 80%
(non-condensing) 8% to 85%
(non-condensing) 8% to 90%
(non-condensing)
Humidity (storage) 8% to 90%
(non-condensing) 8% to 90%
(non-condensing) 8% to 90%
(non-condensing)
Altitude
0 to 3048 m (0 to 10 000 ft) in an unpressurized environment
Note: When the altitude exceeds 900 m (2953 ft), the defined maximum dry-bulb
temperature for operation becomes a dependent variable.
A2: The temperature value decreases by 1°C (33.8°F) with every 300 m (984 ft) of
altitude increase.
A3: The temperature value decreases by 1°C (33.8°F) with every 175 m (574 ft) of
altitude increase.
A4: The temperature value decreases by 1°C (33.8°F) with every 125 m (410 ft) of
altitude increase.
Your storage product complies with ASHRAE class A2 specifications. Depending on the hardware
configuration, some storage product models comply with ASHRAE class A3 and class A4 specifications.
To comply with ASHRAE class A3 and class A4 specifications, the storage product models must meet the
following hardware configuration requirements at the same time:
• Lenovo-qualified CPU except the following types:
– 135-watt CPU (4-core, 6-core, or 8-core)
– 145-watt CPU (14-core or 18-core)
• Two power supplies installed for redundancy
Electrical input
• Universal input:
– Low range:
Minimum: 100 V ac
Maximum: 127 V ac
Input frequency range: 50 to 60 Hz
– High range:
Minimum: 200 V ac
Maximum: 240 V ac
Input frequency range: 50 to 60 Hz
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Lenovo Storage N4610 User Guide and Hardware Maintenance Manual