Vertiv | Liebert PEX+ Chilled Water | User Manual 10
Product Overview
• Water Temperature Sensor IN/OUT
The 2t temperature sensor can be used to measure the CW temperature status combined with the water flow
data which further used to calculate the cooling capacity of the Liebert® PEX+CW unit.
• High Eiciency Filter
The unit is also available with the option of high eiciency filter for the environment requiring higher air
cleanliness.
• Electrode Humidifier
The electrode humidifier uses the electrodes to boil the water in humidifier bottle to produce steam for
humidification purpose. It has a specific (soft water) requirements in terms of water quality and sizes of inlet/
outlet pipes as compared to the standard infrared humidifier.
• Three-way Motorized Ball Valve (MBV)
Three-way MBV can better regulate water flow in the system and also adapts as per more environmental
requirements.
• Supply Air Pressure Sensor
Supply Air Pressure Sensor is only used for downflow units. It detects the static pressure under the floor of
equipment room. The controller can read the values of static pressure.
• Dual Power Supply Parallel
In dual power supply parallel, there are two power sources (main and backup) that can be manually switched to
backup source in case of power supply failure of main power source to operation of the unit continually.
• Dual Power Supply Auto Alternate (Interlocking contactor/Automatic Transfer Switch)
It consists of dual power supply (interlocking contractor 4P). It uses an automatic power switching circuit
between the common power supply and backup power supply that is activated if an emergency power supply is
required.
• IS - Unity Card
IS-UNITY Card can provide two kinds communication protocol: SNMP, Modbus and BACnet that supports
standards and norms of the industrial communication protocol.
To Next Page
Loading...
Need help?
General
