Eaton 91PS UPS 8-40 kW User And Installation Manual page 38

Eaton 91PS/93PS UPS 8–40 kW
10 kW
15 kW
20 kW
30 kW
40 kW
Table 11: 91PS Air conditioning or ventilation requirements during full load operation
8 kW
10 kW
15 kW
20 kW
30 kW
Battery locations and enclosures must be ventilated to maintain the hydrogen
concentration below the 4%
provided to locations where the UPS and batteries are located. For the 15/20kW
frame with internal batteries, the minimum air flow is 3 m
minimum free area of opening for inlet and outlet is 84 cm
ventilation is used. For the 30/40 kW frame with internal batteries, the minimum
air flow is 6 m
2
168 cm
flow must be recalculated.
For the dimensions of the 91PS/93PS UPS cabinets, see Figure
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Eaton Corporation plc 2018. All rights reserved.
Heat rejection
(BTU/h x 1,000)
Heat rejection
(BTU/h x 1,000)
vol
3
/hour and the minimum free area of opening for inlet and outlet is
when natural ventilation is used. For larger batteries, the ventilation air
Heat rejection
1.46
2.19
2.92
4.38
5.84
Heat rejection
1.4
1.7
2.7
3.1
4.8
safety limit. Adequate air ventilation must be
Revision: 005 Document ID: P-164000493
User's and installation guide
Air flow
(kW)
0.4
0.6
0.9
1.3
1.7
Air flow
(kW)
0.4
0.5
0.8
0.9
1.4
3
/hour and the
2
when natural
9
.
(l/s)
70
70
100
140
200
(l/s)
70
70
70
140
140
38 (117)