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Chapter 6: Controller Operation Instructions
This chapter provides a detailed description on feature, appearance, color screen, control buttons, control
interface and menu structure of the XDH precision air conditioner.
6.1.Feature
The micro-processing controller has the following features:
• It can monitor and display the operation status of XDH unit to maintain the environment within the range of
setpoints.
• Equipped with a 128×64 dot graphics color screen with white backlight with a user-friendly interface.
• Provides a three-level password protection to prevent unauthorized operation.
• Provides multiple functions, including self-recovery upon power failure, high & low voltage protection, phase
loss protection and protection against phase-reversal.
• Accurately record the run-time of important components through menu operation.
• The expert-level fault diagnostic system can automatically display the current fault information to facilitate
technician personnel in maintenance activities.
• Stores up to 400 historical alarm records.
• Configured with an RS485, using MODBUS-RTU communication protocol.
6.2.Appearance
The micro-processing controller panel is shown in
Vertiv | Liebert XDH | User Manual
Figure
6-1.
Controller Operation Instructions
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