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PHYSICAL FEATURES AND REQUIREMENTS
111504
DESCRIPTION:
DATE:
DRAWING NO: SHEET:
REVISION:
B
164201535---2
Installation Information
A-4
Powerware
®
9390 UPS (40–80 kVA) Installation and Operation Manual S 164201535 Rev C
7. The basic envir onmental requirements for operation of the UPS system are:
Ambient Temperature Range: 0 --- 40˚C (32---104˚F)
Recommended Operating Range: 20---25˚C (68---77˚F)
Maximum Relative Humidity: 95%, noncondensing
The UPS ventilation requirements are shown in Table C.
Table C. Air Conditioning or Ventilation Requirements During Full Load Operation
Ratings Input/Output Voltage
Heat Rejection
BTU/hr
¢
1000/hr (kg---cal/hr)
40 kVA 208/208 11.8 (2.98)
40 kVA 480/480 10.9 (2.76)
50 kVA 208/208 14.8 (3.73)
50 kVA 480/480 13.7 (3.45)
60 kVA 208/208 17.7 (4.47)
60 kVA 480/480 16.4 (4.14)
80 kVA 208/208 23.6 (5.96)
80 kVA 480/480 21.9 (5.52)
Ventilation r equired for cooling air exhaust: approximately 4.72 liter/sec (1000 cfm).
