UPS 450 - 550 kVA (2x225 - 2x275 kVA)
User’s and Installation Guide
1027574
Revision B
11
Model
Weight kg
Shipping Installed
Powerware 9395-2*275 1610 1430
Powerware 9395-550 1610 1430
Table 2-1. UPS cabinet weights
The UPS cabinets use forced air cooling to regulate internal component temperature. Air inlets
are in the front of the cabinet and outlets are in the top. You must allow clearance in front of and
above each cabinet for proper air circulation. The clearances required around the UPS cabinet
are shown in Table 2-2.
From top of cabinet
Minimum clearance over the UPS cabinet is 458 mm for ventilation
From front of cabinet
915 mm working space
From back of cabinet
None required
From right side of cabinet
None required, but for easier service 500 mm is recommended.
From left side of cabinet
None required
Table 2-2. UPS cabinet clearances
The basic environmental requirements for operation of the UPS system are:
Ambient Temperature Range: 0-40°C•
Recommended Operating Range: 20-25°C•
Maximum Relative Humidity: 95%, noncondensing•
The UPS ventilation requirements are shown in Table 2-3.
Rating/kVA Input/output voltage Heat rejection
BTU/hr x 1000/hr (kg-cal/hr)
2*275 kVA 400/400 88.7
550 kVA 400/400 88.7
Table 2-3. Air conditioning or ventilation requirements during full load operation
Ventilation required for cooling air exhaust: approximately 1410 liter/sec/225-275kVA unit.
