Table of Contents
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2
Chapter 1 Introduction
1
2
3
4
C
R
0
1
1～2
Product model
CR
3～5
Cooling Capacity kW
012
6
Air Discharge
R
H
7
System type
A
8
Airflow
1
9
Pow er Supply
3
T
10
Cooling System
8
11
Humidification
0
S
12
Display
S
13
Re-Heating
0
1
14
Filtration
2
0
1.2 Basic Performance Parameters
The basic performance parameters of the Liebert CR012 AC are given in table 1-1.
Model
CR012
Condition: Return air 37˚C, 24% RH & 45˚C condensing temperature.
1.3 Product Description
The Liebert CR012 cooling unit is a comprehensive system that includes all the main functions fundamental to
precision cooling units such as cooling, dehumidification, re-heating, air filtration, condensation management,
temperature and humidity control, alarm functions and compatibility with data communications. Liebert CR012 is
designed to comply with mission-critical requirements and ensure that servers are maintained at the correct
temperature and humidity levels.
Figure 1-3 shows the various components and their respective locations:
5
6
7
8
9
10
2
R
A
1
3
8
CRV
Nominal Net Cooling Capacity - kW
Horizontal airflow w ith baffle
Horizontal airflow w ithout baffle
Air-colled
EC plug fan
380-415V/3ph/50Hz +N
380-415V/3ph/60Hz +N
EC compressor ,Single Circuit,R410A
None
Electrode humidifier
Standard Display
None
Electric heating Std 1 Stage
G4
G4 + Filter clog sw itch
Figure 1-2 Model Nomenclature
Total cooling capacity (kW)
13.6
Liebert CR012 Precision Air Conditioning User Manual
11
12
13
14
15
16
0
S
1
2
E
3
15
Coil and Valves
E
16
Enclosure options
3
17
Mains Sw itch High Voltage Option
0
18
Installation Option
H
0
L
C
B
19
Monitoring
0
S
20
Sensors
0
21
Packaging
P
C
22
Special Requirements
A
V
23~25
Order Identifier
Table 1-1
Power (kW)
3.3
17
18
19
20
21
22
0
0
0
0
P
V
Standard DX Air cooled coil,EEV
Black Color sand grain coating, EG7021
None
Reheat & Humidity Lockout
None,standard pipe,no Low ambient Kits
Air-cooled,Long pipe>30m
Low ambient Kits
Low ambient Kits+Long Pipe
RS485
SIC card
None
Packaging - Standard Cardboard and Wooden
Pallet
Packaging - Wooden crate
SFA - none
Condensate Pump
Heating capacity (kW)
2
23
24
25
0
0
0
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Troubleshooting
