Emerson Xtreme Density Manuel D’Utilisation

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Specifications
69
Table 33
Liebert XDO20 specifications
Models
XDO20DK--*; XDO20BKP-*
XDO20DKP-*; XDO20BK-E*
XDO20DK-E*; XDO20BKPE*
XDO20DKPE*
XDO20BS--*; XDO20DS--*
XDO20BSP-*; XDO20DSP-v
XDO20BS-E*; XDO20DS-E*
XDO20BSPE*; XDO20DSPE*
60Hz
60Hz
50Hz
Cooling Capacity
Nominal (92°F [33°C] EAT): 20kW / 5.7 Tons
Maximum (100°F [38°C] EAT): 23kW / 6.5 Tons
Nominal (92°F [33°C] EAT): 
17.7kW / 5 Tons
Maximum (103°F [39°C] 
EAT): 23kW / 6.5 Tons
Conditions
Capacity rating is @ 55ºF (13°C) Entering Fluid Temperature and
50ºF (10°C) or lower dew point
Electrical Requirements
Input Voltage
 1ph-60Hz-120V
 1ph-60Hz-220-240V
 1ph-50 Hz-220-240V
Input Power Connections
Terminal blocks provided internal to unit
Full Load Amps
2.7A @ 120V
1.64A @ 230V
1.47 @ 230V
Wire Size Amps
3.4
2.0
1.84
Overcurrent Protection Device
15
15
15
Power consumption,
nominal, watts
335
350
250
Dimensions, inches (mm)
Length
72-1/4 (1835)
Width
24-1/8 (613)
Height
22-1/2 (572) not including electrical and piping access
Weight, lb (kg)
Unit only
150 (68)
Shipping weight
238 (108)
296 (134)
Installed, with refrigerant,
without options
155 (70)
Number of Fans
1
1
Airflow, Nominal, ft
3
/ min     
(m
3
/ hr)
2700 (4587)
2250 (3822)
Audible Noise
85 dBa sound power
83 dBa sound power
Pipe Connections (without flex pipe)
Refrigerant Supply
from Liebert XDP/Liebert XDC
1/2" OD, Copper
Refrigerant Return
to Liebert XDP/Liebert XDC
7/8" OD, Copper
Serviceable Parts
Fan and electrical components
Exterior Finish – Bottom, 
Sides, Front and Rear
Black matte finish, heat-fused powder coat
Exterior Finish - Top
Hot-dipped galvanized steel
Agency
Approvals
CSA 60 Hz
CE 50Hz
Options
Lighting Fixtures (ship loose) 2 Liebert XDOs per lighting unit; 120V or 277V; 4’ standard fluorescent tubes (not included)
Power, optional lighting fixture
0.9A per 120V light fixture;
0.4A per 277V light fixture
None
Condensate sensing
(factory-installed)
Dry contact 24VAC - 1A maximum
Pre-Charged Refrigerant
R-134a Refrigerant, one-shot connections
* = Revision level