Controller Operation Instructions; Feature; Appearance - Vertiv Liebert XDH User Manual

5 Controller Operation Instructions

This chapter provides a detailed description on feature, appearance, color Interface, control buttons, control interface and
menu structure of the Vertiv™ Liebert® XDH precision air conditioner.

5.1. Feature

The micro-processing controller has the following features:
• It can monitor and display the operation status of Liebert XDH unit to maintain the environment within
the range of setpoints.
• Equipped with a 128×64 dot graphics color Interface 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 200 historical alarm records.
• Configured with an RS485, using MODBUS-RTU communication protocol.

5.2. Appearance

The micro-processing controller panel is shown in
ITEMS DESCRIPTION
1 LCD Screen
2 Run indicator
3 Alarm indicator
4 ESC button
31
Figure 5-1.
ITEMS
5
6
7
8
Figure 5-1 Micro-processing Controller Panel
DESCRIPTION
Down button
ENT button
Up button
On/Off button
Controller Operation Instructions