Vertiv Liebert DM Series User Manual

Vertiv™ | Liebert® DM | User Manual
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Table of Contents
5.4.4. Alarm Information .....................................................................................................................................................................................74
5.4.5. Parameter Settings .................................................................................................................................................................................. 75
5.4.6. Temperature and Humidity Graph ..........................................................................................................................................80
5.4.7. About ....................................................................................................................................................................................................................80
Chapter 6: Outdoor Fan Speed Controller (Only for 22 kW/27 kW) .......................................................................82
6.1. Cabling of the Terminals ................................................................................................................................................................................... 82
6.2. Human-Machine Interface ............................................................................................................................................................................84
6.3. Human-Machine Interface Operation Instructions ...............................................................................................................85
6.3.1. Power-on Initial Interface ................................................................................................................................................................... 85
6.3.2. Main Menu Interface ............................................................................................................................................................................. 86
Chapter 7: System Operation and Maintenance ...........................................................................................................................89
7.1. Electrical Inspection ..............................................................................................................................................................................................89
7.2. Indoor Unit Maintenance ................................................................................................................................................................................ 90
7.2.1. Filter ........................................................................................................................................................................................................................90
7.2.2. Fan ........................................................................................................................................................................................................................... 93
7.2.3. Drain Pipe ......................................................................................................................................................................................................... 93
7.2.4. Electrical Heater ........................................................................................................................................................................................ 93
7.2.5. Infrared Humidifier...................................................................................................................................................................................94
7.2.6. Power SPD (Optional) .......................................................................................................................................................................... 95
7.2.7. Thermal Expansion Valve (TXV) .................................................................................................................................................97
7.2.8. High-Pressure Switch and Low-Pressure Switch .......................................................................................................97
7.2.9. Compressor .....................................................................................................................................................................................................97
7.3. Outdoor Unit Maintenance ............................................................................................................................................................................99
7.3.1. Refrigeration System ..............................................................................................................................................................................99
7.3.2. Air-Cooled Condenser ......................................................................................................................................................................... 99
7.4. Monthly Routine Maintenance................................................................................................................................................................100
7.5. Routine Maintenance and Inspection (Semi-annually) ................................................................................................... 101

Vertiv Liebert DM Series Specifications

General

Brand	Vertiv
Model	Liebert DM Series
Category	Air Conditioner
Language	English