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Precise, Reliable and InnovativeAir Conditioning for Information andCommunication Technology
STULZ the natural choice
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Innovative blade constructions, multi-core processors and UMTS are
continuously improving the performance of modern ICT technology.
However, as performance increases so do thermal loads and air con-
ditioning requirements, along with operators’ concerns about the ope-
rating reliability and availability of their infrastructure. State of the art
precision air conditioning technology from STULZ removes these
concerns, as it provides maximum reliability for your information and
telecommunications equipment.
The entire range can be installed individually
STULZ precision air conditioning units include circulating air systems,
cold water systems and high-density racks. Through their diverse designs
and dimensions, they can provide the perfect customized solution for
your requirements – combining flexible use, the ideal configuration and
tried and tested reliability. Find out more and choose precision air condi-
tioning from STULZ.
Circulating airCompact DX and CW
MiniSpace
AirBooster
CyberAir
Telecom-Line
WaterCyberCool
High-densityCyberChill
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Precise temperature control
Latent or Sensible Cooling
The sensible part of the
cooling capacity reduces the
temperature, while the latent
part dehumidifies the air.
Comfort air conditioning units
can use up to 50 % of their
energy for dehumidification,
whereas precision units con-
vert more than 95 % of the
energy used exclusively into
cooling capacity. The tech-
nology required to achieve
this pays off quickly in terms
of lower operating costs.
Air Distribution, Heat
Dissipation and Filtration
Precision air conditioning
units from STULZ filter and
circulate three times the
amount of air as comfort
units with the same rated
capacity. They reliably dissi-
pate isolated thermal loads
even from distant corners of
the room, while continuously
monitoring and precisely
controlling the temperature
and air filtration.
Controlled Temperatures
Information and communi-
cation technology only works
reliably and without faults
within a relatively narrow
temperature range.
STULZ precision air condi-
tioning units ensure optimum
temperature accuracy with
maximum tolerances of
+/- 1 °C, while comfort units
can normally deviate from
the set value by as much as
+/- 3 °C.
Precision air conditioning unit:0–5% Air dehumidification
Comfort air conditioning unit:40–50% Air dehumidification
Precision air conditioning unit:Precision temperature control
Comfort air conditioning unit:Comfort temperature control
24 °C
+1 K
-1 K±1 °C t
24 °C
+3 K
-3 K±3 °C t
Highly sensible cooling capacity = Low operating costs
Optimum air distribution and filtrationwith precision air conditioning
In general, a distinction is made between comfort and precision air conditioning. While comfort
air conditioning creates a pleasant environment for people, precision air conditioning technology
provides reliable cooling that is geared towards the requirements of technical infrastructure.
Dedicated technology rooms in data centres or switching stations require precisely controlled
relative humidity, room temperature, air conduction and air distribution. Precision air conditioning
units from STULZ enable you to create precisely defined climatic conditions – with pinpoint
accuracy and outstanding reliability.
The Perfect Solution for Any Situation
Precision air conditioning unit:Capacity 300 m3/h per kW
Comfort air conditioning unit:Capacity 100 m3/h per kW
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Precise humidity control Excellent reliabilitywith 24 hrs/day continuous load
Controlled Humidity
Unlike comfort air condition-
ing units, precision units
feature strictly controlled and
accurate dehumidification
(tolerance +/- 5% relative
humidity), as too much humi-
dity can lead to condensation
and corrosion, while too
little can cause static charges,
data loss and damage to
hardware.
Excellent Reliability
Comfort air conditioning
units mainly operate in
summer and only for a few
hours each day. By contrast,
precision units need to
be available whenever the
electronic equipment to be
cooled is in operation.
This is normally the case for
24 hours a day, 365 days
a year.
This is why STULZ makes
such high demands on the
quality of their precision
air conditioning units and is
able to offer high availability
systems with 99.999% reli-
ability.
0 12 24hrs
Months/year
January
February
March
April
May
June
July
August
September
October
November
December
Precision air conditioning(8,760 hrs/year)
Comfort air conditioning(1,200 hrs/year)
Precision air conditioning unit:Controlled dehumidification
Comfort air conditioning unit:Uncontrolled dehumidification
0 h 1 h
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Compact DX, single and double circuit Cooling capacity, total kW 17–104Cooling capacity, sensible kW 17–89Air volume m3/h 5,500–24,000
Compact CWCooling capacity, total kW 12–118Cooling capacity, sensible kW 11–96Air volume m3/h 3,200–20,000
Most precision air conditioning systems for IT, telecommuni-
cations and technology rooms are circulating air systems
designed specifically for the individual thermal loads that
occur. The more technology is installed in a room and the
greater the waste heat from the hardware, the more care is
required in planning and designing the air distribution.
STULZ precision air conditioning units enable you to base
your planning on maximum reliability – regardless of whether
the performance requirements are simple or complex.
A Breath of Fresh Air forSensitive Technology
MiniSpaceCooling capacity, total kW 5–23Cooling capacity, sensible kW 5–21Air volume m3/h 2,000–7,000
MiniSpace
If you need precise, reliable and economical air conditioning
for small technology and server rooms, the MiniSpace series
provides a space-saving, microprocessor controlled solution.
Compact DX and CW
If you need to reliably dissipate heavy thermal loads and keep
an eye on your investments, Compact DX and CW represent a
professional solution based on proven technology.
Compact DX MiniSpace Compact CW
Circulating Air
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AirBoosterAir volume m3/h 1,200Rated electrical input W 85
AirBooster
Mounted in the false floor, the AirBooster
conveys up to 1,200 m3/h of cold air directly
to the front of a high-density rack.
This is three times the amount delivered by
conventional ambient air coolers and is
normally sufficient for targeted rack cooling.
Compact CW
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CyberAir DX and Dual Fluid UnitsCooling capacity, total kW 18–104Cooling capacity, sensible kW 18–89Air volume m3/h 5,200–24,000
CyberAir Low Noise DX and Dual Fluid UnitsCooling capacity, total kW 18–73Cooling capacity, sensible kW 18–66Air volume m3/h 4,900–18,400
CyberAir CW UnitsCooling capacity, total kW 30–146Cooling capacity, sensible kW 26–120Air volume m3/h 6,500–29,000
CyberAir CW2 UnitsCooling capacity, total kW 26–103Cooling capacity, sensible kW 24–89Air volume m3/h 7,500–26,000
Circulating Air
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With the development of its CyberAir precision air conditioning series, STULZ is setting new
standards in energy efficiency, compact design and serviceability. If you want cutting-edge
air conditioning technology and to cut your operating costs, put your trust in CyberAir’s
innovative EC fan technology and new control concepts.
Maximum Performance for aReliable Infrastructure
12% Less Space
For a cooling capacity of 42 kW, a CyberAir
precision air conditioning unit requires an
installation area of just 1 m2.
Central Control and
Monitoring of Modular Systems
State of the art control engineering means
that up to 31 CyberAir precision air condi-
tioning units can be combined into a single
network and integrated into central building
services systems. This gives you full control
of your air conditioning at all times.
Up To 60% Less Energy
In contrast to conventional technology,
CyberAir precision air conditioning units
incorporate state of the art EC fan tech-
nology and feature a free cooling option.
This cuts energy costs by up to 60%.
5 dB(A) Less Noise
Noise-absorbing materials that meet the
Öko-Tex 100 standard, ingenious fan configu-
ration and smooth, optimal air path reduce
the noise emissions from CyberAir precision
air conditioning units by more than 5 dB(A).
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High-Density
Reliable Dissipation ofIsolated Thermal Loads
Modern server technologies have higher performance but take up less and
less space. This can lead to high thermal loads at isolated points, which are
difficult to eliminate with conventional air conditioning technology. This is
why STULZ CyberChill server racks are directly cooled with water. This enables
thermal loads of up to 35 kW per rack to be reliably dissipated. They can
either be added to existing data centres or utilised as a stand-alone solution.
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CyberChill Water Cooling, When Air is Not Enough
If the thermal loads in server racks exceed 5 kW, conventional
air conditioning systems cannot deliver sufficient air.
CyberChill uses a recirculation air cooling circuit to cool the
servers, removing the intense local heat load by means of an
air to water exchanger.
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Water is the most efficient medium for heat
transfer. This is why water is increasingly
being used to cool technical equipment in
ICT and medical technology. Demand control
concepts and free cooling options ensure
that energy consumption is low. This enables
you to cut your operating costs and reduce
the burden on the environment.
Cold Water Systems –Efficient and Reliable
Water
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CyberCool CSO and CLO Outdoor Chillers: Outdoor Installation for Demanding JobsCyberCool Outdoor Chiller units are cold
water systems that use speed controlled fans,
timed controllers and low-noise, highly effi-
cient scroll compressors to achieve excellent
energy efficiency and quiet operation.
An optional controller is available that auto-
matically selects “Free cooling”, “Mixed mode”
and “Compressor cooling”, reducing energy
consumption by up to 40 % compared to
conventional controllers.
In addition to the CyberCool CSO, the noise
reduced CyberCool CLO design is available.
This unit provides the same options but
operates at a noise level around 10 dB(A)
lower, making it ideal for use in areas that
are sensitive to noise.
CyberCool Indoor Data Chiller: Cooling Water with Minimal SpaceWith their compact design, CyberCool Indoor
Data Chillers produce enough cooling water
for a cooling capacity of up to 100 kW and
yet require an area of just 0.89 m2. They fit
through standard doors or and lifts, can be
combined on a modular basis into redundant
systems with 99.999 % reliability and can
be installed in areas of buildings that are sen-
sitive to noise.
CyberCool Pump&Transfer:Compact System SeparationConnecting high-density racks to the central
cold water supply requires hydraulic separation
to minimise the water quantity, pressure and
risk of leaks in sensitive IT areas. CyberCool
Pump&Transfer provides this separation and,
as a twin circuit system, allows a redundant
cold water supply to be set up.
CyberCool Outdoor Chiller CSOCooling capacity kW 36–235
CyberCool Outdoor Chiller CLOCooling capacity kW 36–157
CyberCool Indoor Data Chiller CSICooling capacity kW 21–100
CyberCool Pump&TransferCooling capacity kW 20–100
CyberCool
CyberCool Indoor Data Chiller
CyberCool Pump&Transfer
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Containers, shelters, base stations, distribution centres and switch cabinets for tele-
communications make special demands in terms of air conditioning technology.
The Telecom-Line includes the ideal design for every situation – factory tested, filled
with cooling agent and ready to operate immediately.
Air Conditioning Units forTelecommunications
Circulating Air
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Wall-Air
Cooling capacity, total kW 3.8–20.8
Cooling capacity, sensible kW 3.8–19.5
Air volume m3/h 1,000–5,700
Tel-Air
Cooling capacity, total kW 3.8–11.1
Cooling capacity, sensible kW 3.8–10.4
Air volume m3/h 1,000–3,000
Split-Air
Cooling capacity, total kW 3.8–8.4
Cooling capacity, sensible kW 3.8–7.8
Air volume m3/h 1,000–2,150
Wind-Air
Cooling capacity, total kW 3.8–8.8
Cooling capacity, sensible kW 3.4–7.8
Air volume m3/h 1,000–2,700
Mini-AirCooling capacity kW 0.8–3.9
Air volume m3/h 220–1,150
Compact-Air
Cooling capacity kW 0.8–3.9
Air volume m3/h 220–1,150
X-Line
Specific heat transfer W/K 60–130
» Wall-Air: Air conditioning unit for outdoor
wall mounting
» Tel-Air: Air conditioning unit for vertical
indoor installation
» Split-Air: Split air conditioning unit for
indoor and outdoor installation
» Wind-Air: Window air conditioning unit for
complete or partial indoor and
outdoor installation
» Mini-Air: Switch cabinet air conditioning unit
for vertical indoor installation
» Compact-Air: Switch cabinet air conditioning unit
for vertical outdoor installation
» X-Line: Air/air heat exchanger for switch
cabinets
Wall-Air
Tel-Air
Wind-Air
X-Line
Mini-Air
Split-Air
Split-Air
Compact-Air
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C1002
›› Standard controller with 4-digit
7-segment LED display
›› Key pad
›› Integrated sequencing for
connecting two units
C1010
›› 4-line text based LC display
›› Sequencing for up to 35 units
›› Continuous condensing pressure
regulation
›› Software update and system
configuration using hardware key
(optional)
›› Separate control unit for remote
control (optional)
C6000 Chiller
›› LCD graphic display
›› Integrated sequencing for up to
6 units
›› High pressure management
›› Free cooling management
›› Continuous condensing pressure
regulation
C7000
›› High redundance and availability
due to autonomous controllers
›› Integrated sequencing for up to
31 units
›› Zone operation
›› Filter control management
›› CW standby management
›› Free cooling control
›› User interface with graphic display
and remote control (optional)
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STULZ’s intelligent CompTrol® control concepts
ensure reliable operation of precision air con-
ditioning units and cold water systems. Set-
point entry and adjustment, unit monitoring
and operating data output using separate
control units, PC or connection to existing
building services systems. This allows you to
maintain an overview and keep control at
all times.
Interfaces to Building Services and InternetThe STULZ MIB7000 (Multifunctional Inter-
face Board) has an integrated sequencing
function for up to 32 units. The RS485/RS232
serial interfaces support all standard building
services systems. The STULZ WIB7000 (Web
Interface Board) communicates using the IP
protocols SNMP and HTTP.
Configuration and operation are browser-
based. The STULZ LIB7000 (Lon Interface
Board) enables all units to be integrated into
LonWorks® technology.
Intelligent Control and Central Monitoringof Precision Air Conditioning
C4000C5000
C1002
Remote monitoringand control
ALARM
C6000
C7000
Display/visualization
Operation
Remotemaintenance
Customer
SMS
Alarm/ZLT
HTTP/SNMP
Data protocol Gateways
SDC C7000 Advanced/MIB7000
Modbus C7000 Advanced/MIB7000
P90 C7000 Advanced/MIB7000
SNP C7000 Advanced/MIB7000
Network bus C7000 Advanced/MIB7000
Saia bus C7000 Advanced/MIB7000
BACnet MIB7000
Ni bus MIB7000
LonTalk® LIB7000/LIB7000 + MIB7000
SNMP WIB7000
HTTP WIB7000
N2 bus METASYS
Unigyr bus CFE
Sinec L2 bus CP524
Gateways for STULZ controller systems
C1010
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STULZ precision air condition units feature optimum quality and reliability.
From individual units with a cooling capacity from 0.3 kW through to
modular systems with several megawatts of capacity, STULZ offers a com-
plete range of products that provide optimum solutions for every situation.
Air conditioning experts support you in design, realization, installation
and maintenance of your system. In case of emergency, the STULZ service
organisation provides rapid assistance and maximum availability.
Reliable Air Conditioning Available Worldwide
Whether it is in Rio, New York, Shanghai or Tokyo: Operators of ICT sys-
tems throughout the world rely on precision air conditioning technology
from STULZ. Put your trust in STULZ with our 30 years of experience, high
availability quality products, expert advice and reliable service. Wherever
you need us, we are not far away.
www.stulz.com/global
STULZ – Expertise andPartnership Bring Tailored Solutions
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STULZ HEADQUARTER
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www.stulz.com/global
Close to you worldwide.
… with expert contacts in our STULZ subsidiaries, and our
exclusive global network of sales and service partners. Our
five production plants are in Europe, North America and Asia.
STULZ the natural choice