Vertiv Liebert DM Series User Manual

Vertiv™ | Liebert® DM | User Manual 47
Electrical Installation
3.3. Indoor Unit Power Cable Connection
Refer the following procedure to connect the power supply cables of the unit:
1. The recommended diameter of the power supply cable for DM07 kW/12 kW/17 kW indoor unit is not less than
12 AWG (4 mm
2
). Use the attached wrench to rotate the indoor door lock.
2. The recommended power supply cable diameter for DM22/27kW indoor unit is not less than 10 AWG (6 mm
2
). Use the
attached wrench to rotate the indoor door lock.
3. Open the front door to access the power input terminal of the DM22/27kW indoor unit, which is located at the left side
panel.
4. Route the power cable through the panel wire hole, and connect it to the indoor unit power input terminal.
5. Then fix the power cable with the cable clamp, as shown in Figure 3-1, and connect the other end to the AC power supply
outside the air conditioner system.
The Full Load Current (FLA) of the indoor unit is given in Table 3-1.
Table 3-1 Full Load Current of the Indoor Unit (unit: Ampere ‘A’)
Model
Standard Model with
Electrical Heater and Humidifier
(A)
DM07 15.2
DM12 21.5
DM17 28.0
DM22 35.9
DM27 36.5
Electrical heater and humidifier are the optional components, which can be available on request, contact Vertiv
representative for more details.

Vertiv Liebert DM Series Specifications

General

Refrigerant	R410A
Dimensions (HxWxD)	Varies by model
Weight	Varies by model
Airflow Configuration	Downflow, Upflow
Power Supply	460V, 50/60Hz
Humidity Range	20% - 80% RH (non-condensing)
Airflow	Varies by model
Noise Level	Varies by model
Compliance	UL, CE