Vertiv™ | Liebert® SRC-G | User Manual 7
Overview
• Fan
The Liebert SRC-G outdoor unit fan has axial flow blades with low noise. It also has a high performance single-
phase motor which enables airflow modulation based on compressor pressure reading as per set parameters.
Figure 1-8 Axial Flow Blade
1.4.3. Control Panel
• Microprocessor Controller
The Liebert® SRC-G unit is configured with graphics color screen display with simple user-friendly interface
operation. The multi-level password protection feature can eectively prevent unauthorized operation. It also
provides self recovery up on power failure; high & low voltage protection functions; phase loss protection; and
automatic phase-sequence switching upon anti-phase. The operation status of the components are available on
the respective menus.
No. Description No. Description
1 LCD screen 3 Alarm indicator
2 Run state indicator 4 Control buttons
Figure 1-9 Microprocessor Controller Screen
• Power SPD
The power SPD is used for surge over-voltage protection in second level (C-level) single-phase (or three-
phase) AC power supply. It provides status indication and alarm function of the unit, thereby facilitates easy
maintenance.