Powerware Plus 80 Operation page 141

also require tripping upstream protective devrces to the UPS.
requirements shown in Table S. according t0 your UPS system configuration:
The basic environmental requirements for operation of the UPS system are:
Ambient Temperature Range: 1 O-40' C (50 - 104' F)
Recommended Opexatfng Range: 20-25' C (G - 77' F)
Maximum Relatfve Humidity: 95%
1 6 4 2 0 0 2 5 3 - l