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6 Display Screen Operation
This section describes the appearance, features, control interface, and menu structure of the display screen.
6.1 Features
The micro-controller has the following features:
•
Monitors and displays the operation status of the air conditioner to keep the environment within the set range.
•
Configured with a 7-inch color screen, which makes user interface operation simple.
•
Provides a three-level password protection to effectively prevent unauthorized operation.
•
Provides self-recovery upon power failure, high voltage and low voltage protection, phase loss and anti-phase
protection, etc.
•
Allows users to accurately understand the main parameters and operating status of the system.
•
Displays the measured temperature and humidity curves in real time.
•
Displays the running time of critical components in real time.
•
Provides expert-level fault diagnosis and displays the current fault information to facilitate maintenance
personnel in servicing and repair.
•
Stores up to 1000 historical alarm records.
6.2 Appearance
When the screen is in black screen state, tap the screen, and the service hotline will be displayed. The service hotline will
disappear after 15 seconds.
Figure 6.1 Color Screen Appearance
6 Display Screen Operation
Proprietary and Confidential ©2023 Vertiv Group Corp.
Vertiv™ Liebert® CRV4 Series Air-cooled Precision Air Conditioners User Manual
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