Thomas & Betts 9395 - Manual (Page 11)

UPS 225 - 275 kVA
User’s and Installation Guide
1027212
Revision B 11
Dimensions are in millimeters.
Model
Weight kg
Shipping Installed
Powerware 9395-275/225 930 830
Powerware 9395-275/275 930 830
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 Input/output voltage Heat rejection
BTU/hr x 1000/hr (kg-cal/hr)
225 kVA 400/400 44.6 (10.1)
275 kVA 400/400 54.5 (13.7)
Table 2-3. Air conditioning or ventilation requirements during full load operation
Ventilation required for cooling air exhaust: approximately 1410 liter/sec.
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