Liebert Hpm-r En1
Transcript of Liebert Hpm-r En1
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Precision Cooling forBusiness-Critical Continuity
Liebert HPMDual Circuit Floor Mount Chilled Water Units for High Redundancy
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Redundancy To Secure Your Business
Availability
100% redundancy CW circuits
Dual CW circuits with double
power supply maximize
availability.
Flexibility
Simplified design layout:
power cables
condensate drain
supply/drain for humidifier
Secondary CW circuit can provideadditional cooling in the event of
increased heat loads
Low Total Cost of Ownership:
Reduced footprint compared to
two separate units
Lower investments in air-
conditioners
Lower cost for the installation
Liebert HPM R-type units are
dual circuit chilled water unitsfor business critical applications.
Equipped with two independent
chilled water circuits they are able
to take cooling fluid from two
independent sources.
The models are available in the
cooling capacity range 24 - 120
kW for each circuit; each equipped
with 3 or 2 Port valves. These units
provide additional security for your
critical environment. With primaryand secondary chilled water circuits
the units provide mandatory back
up in terms of cooling capacit y.
Liebert HPM Dual CW Circuit
Hydraulic System Schematic
Liebert HPM Dual CW Circuit
units are specifically designed
for buildings with primary and
secondary chilled water circuits.
A typical application is forpolyfunctional buildings where
a larger cooling source operates
during the day, serving offices,
technology and datacentres; while
at night when cooling is only
required for the technology and
datacentres we can use a smaller
chilled water source, maximizing
obvious energy savings.
CW1
CW2
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iCOM - Keep it under control
Control
The sophisticated control logic of the
units offers several options to sat-
isfy the chilled water system require-
ments and valve management.
Parallel mode
The chilled water valve manage-
ment and positions are the same
for both CW circuits.
Safe mode
First circuit and valve managed
utilizing 70% of proportional tem-perature band, and then
second valve starts to open (Re-
quires same inlet fluid tempera-
ture on both circuits).
Alternate mode
With an external input to the iCOM
controller it is possible to manage
which of the two chilled water cir-
cuits / valves is duty and which is
standby.
In parallel and safe modes both CW
circuits can run together maximizingthe cooling capacity.
* All the data refer to: one circuit working and G4 air filter* 20 Pa ESP for downward delivery version, 50 Pa ESP for upward delivery version1 Air inlet @ 24 C, 50% RH, water in/out 7/12 C, ESP 20 Pa, G4 air filter2 Air inlet @ 24 C, 45% RH, water in/out 7/12 C, ESP 20 Pa, G4 air filter3 Max. ESP available for the indicated air delivery4 For downward version5 1.5 m height, 2 m front distance; free field; fan (s) working with indicated air delivery, downward delivery version.6 At nominal/indicated air delivery
Liebert HPM R-type - Technical Data
ModelM241
upwarddownward
M451
upwarddownward
M601
upwarddownward
L851
downward
L111
downward
L132
downward
Total cooling capacity at max airflow4 kW 24.8 48.4 63.5 86.1 108.1 127.4
Total cooling capacity4,6 kW 24.2 46.9 60.7 80.3 99.7 118.6
Sensible cooling capacity4,6 kW 24 43.1 54 68.3 89.1 118.6
Water flow rate6 l/s 1.15 2.24 2.89 3.83 4.76 5.66
Number of fans n 1 1 2 2 3 4
Air delivery m3/h 7050 11500 13900 17150 23900 32700
Max ESP downward/upward delivery3 Pa 190/210 100/100 120/140 180 210 180
Sound pressure level5 dB(A) 54.4 65.4 64 64.2 66.1 69.3
Width mm 1000 1750 1750 2050 2550 3350
Depth mm 850 850 850 850 850 850
Height mm 1950 1950 1950 1950 1950 1950
Net weight kg 335 540 610 640 865 1020
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Emerson Network PowerTM
The global leader in Business-Critical Continuity.
Emerson Network Power and the Emerson Network Power logo are trademarks and service marks of EmersonElectric Co. 2009 Emerson Electric Co.
AC Power
Connectivity
DC Power
Embedded Computing
Embedded Power
Monitoring
Outside Plant
Power Switching & Control
Precision Cooling
Rack & Integrated Cabinets
Services
Surge Protection
Emerson Network Power, a business of Emerson
(NYSE:EMR), is the global leader in enabling Business-Critical
Continuity. The company is a trusted source of custom,
adaptive and ultra-reliable solutions designed to enable and protect
its customers business-critical technology infrastructures.
Backed by the largest global services organization in the industry,
Emerson Network Power offers a full range of innovative
power, precision cooling, connectivity and embedded
products and services for computer, communications, healthcare
and industrial systems. Key product brands within the
Emerson Network Power family include Liebert, Knrr, ASCO,
Astec and Lorain.
While every precaution has been taken to ensure the accuracyand completeness of this literature, Liebert Corporation assumes noresponsibility and accepts no liability for damages resulting from use ofthis information or for any errors or omissions.
2008 Liebert CorporationAll rights reserved throughout the world. Specifications subject to changewithout notice.Liebert and the Liebert logo are registered trademarks of LiebertCorporation. All names referred to are trademarksor registered trademarks of their respective owners.
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