Vertiv Liebert DME22 - Basic Performance Parameters; Main Components; Indoor Unit

Vertiv™ | Liebert® DM | User Manual 5
Overview
1.3. Basic Performance Parameters
The basic performance parameters of the Liebert® DM air conditioner are shown in Table 1-2.
Table 1-2 Basic Performance Parameters
Model
Nominal Cooling
Capacity (kW)
Power
(kW)
Heating Power
[1]
(kW)
Humidification
Capacity
[2]
(kg/h)
DME07M**UA1 (upflow) 7.5 2.5 3.0 1.5
DME12M**UA1 (upflow) 12.5 4.3 3.0 1.5
DME17M*0UA1 (upflow) 17.0 5.7 5.5 3.0
DME22M*0UA1 (upflow) 22.0 7.0 6.0 3.0
DME22M*0FA1 (downflow) 22.0 7.4 6.0 3.0
DME27M*1UA1 (upflow) 28.1 8.9 6.0 3.0
DME27M*1FA1 (downflow) 28.1 9.3 6.0 3.0
1. The heating power values are only applicable for models with the electrical heating option.
2. The humidification capacity values are only applicable for models with humidification option.
Due to the continuous upgrade of the unit, the technical parameters are subject to change without prior
notice, therefore for the details of performance parameters refer to respective nameplate of the unit.
1.4. Main Components
1.4.1. Indoor Unit
The indoor unit consists of evaporator, compressor, fan, micro-processing controller, thermal expansion valve, filter dryer,
sight glass, strainer, electrical heater (optional), humidifier (optional), and surge protective devices (SPD optional).
For optional component details, refer to Section 1.5.
• Evaporator
The unit is equipped with with a high-eiciency finned-tube heat exchanger along with a distributor, which is designed
and verified according to the individual model to ensure that the refrigerant is distributed evenly in each circuit, thereby
improving the eectiveness of the evaporator.
• Compressor
The Liebert DM unit consists of a compressor with high eiciency ratio. It has features such as low vibration, low noise and
high reliability, refer Figure 1-5 for better understanding.