Chapter 1 Overview; Model Description; Product Introduction; Main Components - Liebert DM User Manual

16kw air conditioner
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This chapter introduces the features, main parts, requirements on transportation and storage environment of the
Liebert_DM 16kW (DME16) air conditioner.

1.1 Model Description

The model description of Liebert_DM 16kW air conditioner is shown in Figure 1-1.
DM E 16 U M H 2

1.2 Product Introduction

Liebert_DM 16kW air conditioner is a medium-large sized precision environment control system, suitable to the
environment control of the equipment room or computer room. It aims to provide a sound operation environment for
precision equipment, such as sensitive equipment, industry processing equipment, communication equipment and
computers.
Liebert_DM 16kW air conditioner features high reliability, high sensible heat ratio and large airflow. It is configured with
an infrared humidifier adjustable to different water qualities, and is compatible with R407C refrigerant to meet the
requirement.
Liebert_DM 16kW air conditioner comprises indoor unit and outdoor unit. With the standard condenser unit, the
Liebert_DM 16kW air conditioner can reduce noise pollution to the minimum while meeting system cooling
requirement.

1.3 Main Components

1.3.1 Indoor Unit

The indoor unit of the Liebert_DM 16kW air conditioner includes compressor, evaporator, electric reheat, fan, controller,
infrared humidifier, thermal expansion valve, sight glass and drier-filter.
Compressor
The Copeland scroll compressor features low vibration, low noise and high reliability. The connection mode of
Rotalock makes the maintenance easier.
Evaporator
Finned tube evaporator with high heat dissipation efficiency is used. The distributor, with its model-specific design,
ensures that the refrigerant is distributed evenly in each loop, improving the evaporator efficiency to a great extent.
Thermal expansion valve
The external equalizer type thermal expansion valve collects temperature and pressure signals at the same time, so
that it can regulate the refrigerant flow more accurately.

Chapter 1 Overview

Version
C - cooling only ; O - with heater ; H - with heater and humidifier
Power supply : M - three phase / 50 Hz / 400 V
Air path : U - upflow ; F - downflow ; D - duct
Cooling capacity class : 16 - 16 kW
E - indoor unit ; C - outdoor unit
Liebert_DM
Figure 1-1 Model description
Liebert_DM 16kW Air Conditioner User Manual
Chapter 1 Overview
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