Liebert DM Series User Manual

6 Chapter 2 Mechanical Installation
New Liebert_DM Series Air Conditioner User Manual
 Note
1. : Factory piping.
2.
: Field piping (by technicians).
3. *: Check valve and traps are optional and not supplied by Emerson. But they are recommended for normal system operation
and easy maintenance. They should be installed on site by technicians.
4. +: Solenoid valve is a part of extended piping kit.
Table 2-1 Standard pipe sizes
Actual cooling capacity
Pipe length (m)
Discharge pipe OD
Liquid pipe OD
Liebert_DM series
7.5kW unit
5
1/2” (12mm)
3/8” (10mm)
12.5kW unit
5
5/8” (16mm)
1/2” (12mm)
2.3.2 System Installation Illustration
All equipment must be installed vertically. The Liebert_DM AC is available in two installation modes: outdoor unit
installed higher than indoor unit and indoor unit installed higher than outdoor unit. See Figure 2-2 for details.
Outdoor unit
Floor
Isolataion
floor
Max. 20m
1:200
7.5m
1:200
Insulation
material
Trap
Liquid pipe (not be exposed to sun)
Sealed
Protection
tube
Discharge pipe (slope)
Indoor unit
Condensation water
drain pipe (to outdoor)
Humidifier canister water
supply pipe (to water tap)
Outdoor unit above indoor unit
Min. 5m
1:200
Outdoor unit
Indoor unit
Sealed
Protection tube
Isolation floor
Discharge pipe (slope)
1:200
Condensation water
drain pipe (to outdoor)
Floor
Insulation
material
Liquid pipe (not be
exposed to sun)
Humidifier canister water
supply pipe (to water tap)
Indoor unit above outdoor unit
Figure 2-2 Installation illustration

Liebert DM Series Specifications

General

Brand	Liebert
Model	DM Series
Category	Air Conditioner
Language	English