IBM 2145UPS-1U Hardware Installation Manual page 104

For each redundant ac power switch, add 20 W to the power requirements.
Circuit breaker requirements
The 2145 UPS-1U has an integrated circuit breaker and does not require additional
protection.
Environment requirements without redundant ac power
Environment requirements with redundant ac power
Preparing your environment
The following three tables list the physical dimensions and weight of the node, the
additional space requirements around a node, and the maximum heat dissipated
66
IBM System Storage SAN Volume Controller: Hardware Installation Guide
Components
One SAN Volume Controller 2145-4F2 + one
2145 UPS
Two SAN Volume Controller 2145-4F2 nodes
+ one 2145 UPS
Environment Temperature
Operating in 10°C to 35°C
lower altitudes (50°F to 95°F)
Operating in 10°C to 32°C
higher altitudes (50°F to 88°F)
Powered off 10°C to 43°C
(50°F to 110°F)
Storing 1°C to 60°C
(34°F to 140°F)
Shipping -20°C to 60°C
(-4°F to 140°F)
Environment Temperature
Operating in 15°C to 32°C
lower altitudes (59°F to 89°F)
Operating in 15°C to 32°C
higher altitudes (50°F to 88°F)
Powered off 10°C to 43°C
(50°F to 110°F)
Storing 1°C to 60°C
(34°F to 140°F)
Shipping -20°C to 60°C
(-4°F to 140°F)
Power requirements
Relative
Altitude humidity
0 to 914 m 8% to 80%
(0 to 2998 ft) noncondensing
914 to 2133 m 8% to 80%
(2998 to 6988 ft) noncondensing
0 to 2133 m 8% to 80%
(2998 to 6988 ft) noncondensing
0 to 2133 m 5% to 80%
(0 to 6988 ft) noncondensing
0 to 10668 m 5% to 100%
(0 to 34991 ft) condensing, but
no precipitation
Relative
Altitude humidity
0 to 914 m 20% to 80%
(0 to 2998 ft) noncondensing
914 to 2133 m 20% to 80%
(2998 to 6988 ft) noncondensing
0 to 2133m 20% to 80%
(0 to 6988 ft) noncondensing
0 to 2133 m 5% to 80%
(0 to 6988 ft) noncondensing
0 to 10668 m 5% to 100%
(0 to 34991 ft) condensing, but
no precipitation
760 W
1120 W
Maximum wet
bulb
temperature
23°C (74°F)
23°C (74°F)
27°C (81°F)
29°C (84°F)
29°C (84°F)
Maximum wet
bulb
temperature
23°C (74°F)
23°C (74°F)
27°C (81°F)
29°C (84°F)
29°C (84°F)