2.3 Product Description and Features
The Vertiv™ Liebert® MCV condenser is a direct drive EC fan type, air cooled heat rejection unit suitable for mounting
outdoors. It provides heat rejection for two separate refrigeration circuits, matches the heat rejection capacity corresponding
with the outdoor ambient temperature and with each corresponding compressor heat rejection requirements. Constructed
with a galvanized steel frame, galvanized steel panels, and aluminum microchannel coil, the unit is quiet and corrosion
resistant. The condenser is quickly and easily installed, because all internal wiring is completed at the factory with only
electrical connections to be made at the job site. All electrical connections and controls are enclosed in an integral,
weatherproof section of the condenser.
Figure 2.1 Liebert® MCV Heat Rejection Skid
2.3.1 Control, Fan Types, and Features
Premium Efficiency Control/EC Fan
Premium Efficiency Controls and EC fans are matched to provide superior system energy efficiency. The premium control
board allows CANbus communication with the indoor unit’s Vertiv™ Liebert® iCOM™ control. This communication feature
provides compressor run signals, condenser operating mode changes, condenser alarm monitoring, simplified system
charging procedures, and outdoor temperature monitoring.
The Premium Efficiency Control board on a Vertiv™ Liebert® MCV controls EC fans on the same circuit to the same speed to
maintain refrigerant head pressure in DX mode and refrigerant temperature in EconoPhase mode.
2 Nomenclature and Components Proprietary and Confidential ©2024 Vertiv Group Corp. 7
Vertiv™ Liebert® MCV Installer/User Guide
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