Vertiv Liebert PEX4 Series User Manual

Vertiv | Liebert PEX4 | User Manual 9
Product Overview
Figure 1-6 Electrode Humidifier
1.5.2. Electrical Heating
In the PEX4 models, the PTC (PTC= Positive Temperature Co-eicient) heaters are used and it features
with fast temperature rising speed, automatic regulation of air temperature and power consumption. Its
caloric value not only maintains Dry Bulb Temperature but also compensates temperature drops due to
dehumidication. The lower surface temperature of the heater prevents the air from being ionized, thereby
extending the service life. The 1-stage heater capacity is 9 kW for models P1035 to P1060 and 12 kW for rest of
the models; for 2-stage, it is 18 kW & 24 kW. The material used for heating is metal. The safety devices, used in
the reheater are two automatic reset Overheat Switches and one manual reset Overheat Switch.
No. Description No. Description
1 Zero line (blue) 5 Live line (red)
2 Temperature controller soleplate 6 Temperature controller soleplate
3 Live line (red) 7 Live line (red)
4 Temperature controller soleplate
Figure 1-7 Electrical Heater

Vertiv Liebert PEX4 Series Specifications

General

Brand	Vertiv
Model	Liebert PEX4 Series
Category	Air Conditioner
Language	English