Vertiv | Liebert® DM | User Manual 89
Outdoor Fan Speed Controller (Only for 22 kW/27 kW)
• Configuration value main menu interface
The configuration parameter has been set at the factory, and only qualified service and maintenance
personnel are suppose to perform the system operation and maintenance.
When the current main menu is the configuration value main menu identifier “C--”, press the ENT key to enter the
configuration value menu page. The process and sequence of menu switching operation of configuration value are as shown
in Figure 6-8.
Figure 6-8 Configuration Value Main Menu
C01: Startup pressure Pset
C02: Pressure control range Pband
C03: Minimum voltage Vmin
C04: Minimum voltage Vmax
C05: Number of fans
C06: Pressure sensor type
C07: Refrigerant type
C99: Restore the parameters to default values
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