Vertiv | Liebert PEX4 | User Manual 12
Product Overview
1.6. Operating & Storage Environmental Requirements
1.6.1. Operating Requirements
The PEX4 operating environment meets the requirements of IEC 61000-3-12. The PEX4 storage environment
meets the requirements of IEC60721-3-3:2002. Refer Table 1-2 and Table 1-3 for the operating environment and
storage environment.
Table 1-2 Operating Environment Requirements
Project Requirements
Ambient temperature
Indoor 18 °C to 40 °C
Outdoor
-15 °C to +45 °C, such as low temperature components, outdoor
minimum operating temperature is -34 °C
Protection level (cooling
unit)
IP20
Altitude < 1000 m, derating is required when location altitude is above 1000 m
Operating voltage range 380V to 415V, 3 Ph+N~50 Hz/ 60 Hz
1.6.2. Storage Requirements
Table 1-3 Storage Environment Requirements
Project Requirements
General requirement Clean room (no dust, etc.)
Environment humidity Less than 80% Rh (30 °C)
Ambient temperature -25 °C to +55 °C
Storage time
Total transportation and storage time should not exceed six months, otherwise the
performance of the system needs to be re-calibrated.
Consult Vertiv local representative when operating in the following conditions:
1. The voltage of the air conditioning unit is beyond the range of the operating voltage.
2. The altitude is higher than 1000 m.
3. If the operating condition is not as per the Table 1-2.
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