Liebert DM Series - Indoor Unit Installation

8 Chapter 2 Mechanical Installation
New Liebert_DM Series Air Conditioner User Manual
352
1037
575
1238
352
1037
575
829
Figure 2-5 Dimensions of Lee-Temp outdoor unit (unit: mm)
Table 2-2 Mechanical parameters of indoor unit and outdoor unit
Model
Cooling capacity (kW)
Dimensions (W × D × H, mm)
Net weight (kg)
Indoor unit
7.5
510 × 385 × 1750
90
12.5
600 × 500 × 1850
145
Outdoor unit
Standard model
7.5
787 × 352 × 829
40
12.5
787 × 352 × 1240
60
Lee-Temp model
7.5
1037 × 352 × 829
53
12.5
1037 × 352 × 1238
95
2.4 Installing Indoor Unit
2.4.1 Equipment Room Requirements
The equipment room requirements are given as follows:
1. The equipment room should be well insulated and have a sealed damp-proof layer.
 Note
The most important elements for maintaining normal environmental control in the conditioned room are damp proof and heat
preservation.
2. The outdoor air should be kept from entering to a minimum. The outside air will add the loads of heating, cooling,
humidifying and dehumidifying of the system. It is recommended that the inhalation of outside air be kept below 5% of
the total indoor airflow.
3. All the doors and windows should be properly sealed to minimize the leakage and the seams should be as narrow
as possible.
2.4.2 Installation Location Requirements
 Note
The Liebert_DM AC can generate condensate water. Water leakage can cause damage to other precise equipment nearby. Do not
install the AC units in the vicinity of any precision equipment. The installation site must provide drainpipes.
The installation location requirements are given as follows:
1. Try to locate the indoor unit in a capacious floor space to ensure its normal operation.
2. Avoid locating the indoor unit in confined areas that affect the airflow pattern, shorten cooling cycles and result in
down-draft and air noise.
3. Avoid locating the indoor unit in an alcove or at the extreme end of a long, narrow room.