Vertiv | Liebert PEX4 | User Manual 11
Product Overview
Figure 1-9 Fire Detector
1.5.7. High-Eiciency Filter
The unit is equipped with F5 grade lter for high eiciency output. This type of lter is applicable only to the
environments requiring a higher level of air cleanliness.
1.5.8. Low Temperature Kit
In order to ensure that the air conditioner should normally start in the cold regions, a low temperature kit is
congured to eectively establish the low pressure, required at the start of the unit to avoid any failure. Low
temperature kit is also used when the outdoor unit is being placed more than 5m below from the indoor unit,
consult Vertiv representative for more details.