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OPM_LPS_33E_60K_M12_2GB_V010.doc
Operating Manual
LP 33 Series 60-80-100-120 kVA / S2
5.5 VENTILATION AND COOLING
The heat produced by the UPS is transferred to the environment by its internal blowers.
Airflow through the UPS
It is important that the cooling air can freely flow
through the air inlets and outlets of the UPS.
Fig. 5.5-1 Airflow through the LP 33 Series
NOTE !
Do not put any object on the top of the
cabinet: it might obstruct the air flow.
Heat evacuation from UPS room
The heat must be evacuated from the
environment with a proper cooling /
ventilation system provided by the
user.
Fig. 5.5-2 Heat evacuation from UPS room
Air volume and losses of the UPS
The approximate minimum air volume needed to evacuate the heat generated by the UPS, for
inlet
temperature max. 35°C
(95°F), for the standard version at inverter nominal load with
PF = 0.8 lag.
and
battery
charged, are the following:
Air volume
Losses
UPS model
VFI Mode
ECO Mode
VFI Mode
ECO Mode
LP 33 Series 60 kVA
1010 m
3
/h 170
m
3
/h
3.45 kW
0.58 kW
LP 33 Series 80 kVA
1450 m
3
/h 190
m
3
/h
4.97 kW
0.65 kW
LP 33 Series 100 kVA
1815 m
3
/h 290
m
3
/h
6.21 kW
0.97 kW
LP 33 Series 120 kVA
2175 m
3
/h 350
m
3
/h
7.45 kW
1.17 kW