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CLOSE - CONTROL SYSTEMS AND TURBOCOR CHILLERS FOR TEMPERATURE CONTROL OF THE
TECHNICAL ROOMS
2www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
Content
About us
Our philosophy, mission and values
Services and products
RC Group
Close Control Air Conditioning
Turbocor Chillers
Reference projects
Partners
Contact
3www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
About us
Supplier of complete solutions for Heating, Ventilation and Air ConditioningJetrun EnergoEco active since 2007 as technical and commercial representative of leading manufacturers in the HVAC industry.Six full time employees;HVAC equipment distribution company;
Full service company with external partners: design, specification and sizing, installation, maintenance;Main partner: Wolf Heiztechnik, including Kuntschar u. Schlüter and Dreyer & BosseSignificant partners: Hygromatik, Apen, MITA, Cabero, Teddington, HiDew, SMARDT
4www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
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About usOur philosophy, mission and values
Orientation to solutions.We offer not only products but real solutions tailored to customer needs
We are always looking for the best troubleshooting for your project and judge the final result according to three criteria: - functionality, efficiency, cost / benefit ratio.
Energy efficiency
is for us a core value based on which we judge the final result of projects we are involved
Social ResponsibilityGreen orientation
we allocate substantial resources with the desire to help society to use the resources rationally
5www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
Services and products
QualityGuarantee of quality offered by the best suppliers in the industry!
AssistanceFrom the feasibility study and design to installation and commissioning.
WarrantyWarranty Standard 24 months. Extensions of warranty service contracts.InstallationWe provide complete assistance and assembly services through our authorized partners.ServiceNetwork of authorized specialists and stock of spare parts.
Complete offering: product + full range of services
6www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
Services and productsIndustrial equipments
Air-handling equipment Powersystem BHKW
Heating technology Ventilation equipment
7www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
Services and productsResidential equipments
Heating technology Ventilation equipment
Control equipmentSolar equipment
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Tudor Arghezi Street 21, Bucharest, RO|+40213118724
RC Group
www.del-clima.com
RC Group offers tailor-made solutions that meet with accurate precision the Customer needs proposing:
• Efficient and dedicated solutions;
• Critical contexts products;
• Instruments to speed-up the process for the realization of its projects.
Nowadays RC Group focuses on:
• IT cooling, precision air conditioning;
• Chillers, process cooling;
• Heat pumps & Multifunction, cooling & heating;
• Artificial Intelligence, advanced software tools for the selection and the management of the units.
DeLclima is listed on the Milano stock exchange since 2nd Jan 2012. De’Longhi Trust is the majority share-holder of DeLclima.
http://www.borsaitaliana.it/borsa/azioni/scheda.html?isin=IT0004772502&lang=it
9www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
IT COOLING
Precision air conditioners designed for data centers, telephone exchanges, mobile communications and mission critical applications.
HEAT PUMPS & MULTIFUNCTION
Multifunction liquid chillers and heat pumps suitable for installation in supermarkets and retail, banks, public offices, airports, hospitals.
CHILLERS
Liquid chillers for mechanical, electronic, food, textile, pharmaceutical and chemical industry.
ARTIFICIAL INTELLIGENCE
Advanced software tools for selection, energy efficiency calculation, networking and remote monitoring of produced units.
RC Group products range
10www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
Close Control Air ConditioningTemperature control
Close Control Air Conditioning (CCAC) was created in the 70’s in order to meet the needs of a very technological and specialized élite: keeping the thermal-hygrometric (temperature and relative humidity) and air purity conditions within strict limits in rooms where the first computers used to work.
It was clear that those devices emitted a great amount of heating, and that their working operations could be guaranteed only at appropriate indoor climate conditions.
11www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
Close Control Air Conditioning
Closed Control Air Conditioning has the aim to provide the right electronic and other devices working which emit sensible heat by keeping and controlling, within strict limits, the treated air’s following parameters:
TemperatureRelative
HumidityPurity
MAIN APPLICATIONS
DEFINITION
Data Centers
Telephone rooms
Containers for mobile TLC
Measurement rooms
Power Rooms CAT Rooms Radar Rooms
Control Rooms
12www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
Close Control Air Conditioning
CCAC air conditioning series are wider for versions/configurations/options equipment, and they use the most advanced control systems:
AIR CONDITIONERS MAIN CHARACTERISTICS
Single or double refrigerant circuit
Up-flow/down-flow/displacement airdelivery
Advanced microprocessor
Control on supply and return air
Wide optional availability
13www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
Close Control Air Conditioning
NEXT EVO INV DXUnder/Over versions
7 ÷ 102 kW
Close control air conditioners equipped with BLDC scroll
compressors for matching with remote air cooled condenser.
NEXT EVO INV DWUnder/Over versions
6 ÷ 119 kW
Close control air conditioners equipped with BLDC scroll
compressors and built in water cooled condenser.
NEXT EVO CW SUnder/Over versions
7 ÷ 138 kW
Close control air conditioners for
chilled water feeding.
NEXT EVO CW S PLUSUnder version
125 ÷ 225 kW
Close control air conditioners forchilled water feeding with
separatefan section.
NEXT EVO CW K PLUSUnder version
152 ÷ 279 kW
Close control air conditioners for
chilled water feeding with separate fan section.
NEXT DXUnder/Over versions
6 ÷ 97 kW
Close control air conditioners equipped with scroll
compressors for matching with remote air cooled condenser.
NEXT DWUnder/Over versions
7 ÷ 108 kW
Close control air conditioners equipped with scroll
compressors and built in water cooled condenser.
NEXT EVO CW KUnder/Over versions
15 ÷ 172 kW
Close control air conditioners for
chilled water feeding.
AIR CONDITIONERS FOR DATA CENTER FOR PERIMETER INSTALLATION
14www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
Close Control Air Conditioning
AIR CONDITIONERS FOR DATA CENTER FOR IN ROW, IN RACK INSTALLATION
NEXT MTROver version7 ÷ 15 kW
Air conditioners for metrology labs.
NEXT DLDisplacement air delivery
version7 ÷ 51 kW
Close control air conditioners with
displacement air delivery.
COOLSIDE EVO DX SYSTEMin row/in rack versions
4 ÷ 42 kW
Direct expansion air conditioningsystem for high density rack and
blade servers.
COOLSIDE EVO CWin row/in rack versions
20 ÷ 55 kW
Chilled water air conditionersfor high density rack and blade
servers.
COOLROW DX Invin row version14 ÷ 40 kW
Direct expansion air conditionersfor high density rack and blade
servers.
COOLROW CWin row version50 ÷ 61kW
Chilled water air conditionersfor high density rack and blade
servers.
AIR CONDITIONERS FOR DATA CENTER FOR PERIMETER INSTALLATION
15www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
Close Control Air Conditioning
ENERGY SPLITHorizontal or vertical air flow
4 ÷ 16 kW
Split system air conditioners withfree-cooling system.
MARKHorizontal air delivery
6 ÷ 9 kW
Packaged air conditioners withfree-cooling system for outdoor
orindoor installation.
MINIPACHorizontal air delivery
4 ÷ 19 kW
Packaged air conditioners withfree-cooling system for outdoor
installation.
ENERTELUnder/Over versions
5 ÷ 15 kW
Packaged air conditioners withfree-cooling system for indoor
installation.
ENERTEL DLDisplacement air delivery
version6 ÷ 15 kW
Packaged air conditioners withfree-cooling system for indoor
installation.
AIR CONDITIONERS FOR TELECOMMUNICATION
16www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
Close Control Air Conditioning
CCAC WORKING CHARACTERISTICS @26°C / 50%; 35°C(mod. NEXT.DX.O.S 082.P2 H7 RC Group)
As for total cooling capacity close control air conditioner has higher energy efficiency and lower power input:
• TOTAL Cooling Capacity: 81,4 kW• SENSIBLE Cooling Capacity:76,4 kW• Sensible Heat Ratio: SHR = 0,94• Compressors power input: 19,1 kW• Air Flow 20.870 mc/h• Fans power input: 4,18 kW• EER (on TOTAL) = 3,5 kW/kW• EER (on SENSIBLE) = 3,3 kW/kW• OFF-COIL Air Temperature: 14,0 °C
17www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
Close Control Air ConditioningDATA CENTER INDOOR LAY-OUT
PERIMETER INSTALLATIONConditioners are placed along walls in Data Center or in aisle/technical outdoor space. The latter solution allows control and maintenance operations without entering the electronic equipment area.
18www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
IN-ROW / IN-RACK INSTALLATIONConditioners are installed between a rack and another with air supply in the cold aisle and air return from the hot aisle (in-row installation), or with air supply and return directly inside the rack (in-rack installation).
Close Control Air ConditioningDATA CENTER INDOOR LAY-OUT
19www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
HOT / COLD AISLEElectronic devices taking cold air from the front and discharging hot air from the back allow to create hot and cold aisles within the Data Center and make uniform (in the whole volume) room temperature not necessary.
Close Control Air ConditioningDATA CENTER INDOOR LAY-OUT
20www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
CONTAINMENTCold aisle closure with doors and covers between racks to keep the “produced” cold in the occupiedvolume. In some installations the hot aisle is closed and kept at negative pressure.
Close Control Air ConditioningDATA CENTER INDOOR LAY-OUT
21www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
Turbocor chillers
SMARDT OIL FREE CHILLERBest in class energy efficiency
All Smardt chillers, are designed to optimize the performance of the oil-free centrifugal compressors from Danfoss Turbocor Inc. These compressors use oil-free magnetic bearings and variable-speed drives to deliver superior efficiencies than conventional oil-lubricated centrifugal, reciprocating, scroll and screw compressors.
22www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
Temperature control systemsServices and products
Smardt-Chiller (Turbocor)
23www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
Smardt-Chiller - Advantages
Magnetic bearings eliminate frictional losses
Highest efficiency up to an IPLV > 11
Very low starting current < 5 amps
Lowest noise
100% oil free eliminates oil system maintenance costs
One moving part assures long service life
Inbuilt Redundancy multiple compressor principle
Smardt understands it better than anyone else
According the AHRI Certification Program
24www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
Revolutionary compressor technology
Inlet-Guide-Vanes
Outlet
1. Stage2. Stage
Solenoid valves for cooling
Inverter(24 kHz)
Motor-windings Inlet
Motor & BearingController
Softstart (< 5A)
25www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
Revolutionary compressor technology
The rotor shaft is held in position (gap shaft/bearing: 0.2mm) with ten separately controlled electro magnetic cushions which continually changes in strength to keep the shaft centrally positioned.
bearing power consumption: 180 W vs. conventional bearing >10kW
26www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
Smardt-Chiller - Range
Water cooled Air cooled Remote cond.
Type WA,
TT300, TT350
Type WA,
TT400, TT500
Type AC
TT300, TT350
Type L
TT300, TT350, T400
Ref. Capacity*200 – 2250 kW
Ref. Capacity*400 – 4000 kW
Ref. Capacity* 200 – 1600 kW
Ref. Capacity*200 - 2600 kW
60 – 650 ton 110 – 1150 ton 60 – 450 ton 60 - 750 ton
cond. temp. < 57°C
cond. temp. < 43°C
cond. temp. < 57°C
cond. temp. < 57°C/ 43°C
compressor max. 6
compressor max. 8
compressor max. 4
compressor max. 6
Condenser water leaving max. ~50°C
Condenser water leaving max. ~40°C
Ambient max. 43°C/ 46°C
* ARI conditions
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Smardt-Chiller - Efficiency
Diagram: comparison uses generic industry performance data for water-cooled chillers (data source AHRI)
Lowest lifetime operating costs
28www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
Smardt-Chiller - EER Characteristic
Diagram: EER comparison under various capacities between conventional Screw, Scroll and the Smardt – Chiller. Based on Eurovent
Lowest lifetime operating costs
29www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
Smardt-Chiller - Soft Start
Diagram: Smardt chiller, require only 2 amps for start-up, compared with 500-600 amps in conventional machines. (100TR/ 350kW Chiller)
Further savings for owners, who can reduce maximum power loads and reduce backup generator size.
30www.jetrun.ro
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Smardt-Chiller - Oil-Free Performance
As this comparative ASHRAE (research Study 601) study showed, lubricated chiller's operating efficiency is routinely lost in the early years as a result of oil clogging of heat transfer surfaces. The average overcharge of oil in the system was 12.88%, this equated to an average energy loss of about 21%
Diagram: oil in the cooling system of installed chillers
Diagram: e.g. only 3.5% oil in the refrigerant charge reduces system efficiencies by 8%
31www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
Smardt-Chiller – Multiple circuit principle
Smardt dual circuit chiller:
Example Project 1000TR/ 3500 kW nominal + redundancy
Conventional technique:
500TR 500TR 500TR
286TR 286TR 286TR 286TR
running: 500TR
running: 858TR
32www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
Smardt-Chiller – Redundancy
Multiple compressor principle
Multiple chiller principle
Multiple circuit principle
33www.jetrun.ro
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Smardt-Chiller - Controller
• Color touch panel
• Self explanatory display
• Basic compressor data available
• Bus communication available
• Remote monitoring available
• and many other options
34www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
Keep in mindBoth cooling systems are commonly used for cooling data centres. The choice of cooling system is dependent on several factors, but in general one can say that, for lower cooling outputs (data centres with ICT devices of a total power output of c. 300 kW) DX systems are used and for larger outputs above 300 kW it is worth using CW systems. The exact point at which either DX or CW systems are applied cannot however be stated with such certainty. between chilled water use or direct expansion use is not so marked.
Heavy duty service 24h/365d/year
Load sharing(all units work at partial load)
Air cooled chillers and condensers in low noise version
Chillers with free-cooling sections for installations in cold/continental climate zones
Variable water flow to chillers. The combination of inverter-driven compressors and flooded evaporators allows to dispel the taboo of a constant water flow in the chiller resulting in pumping energy saving.
35www.jetrun.ro
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SMARDT references worldwide
Fox Studios Sydney
about 4000 more
MY Oasis
Great Hall of the People, Beijing
Daimler Benz Germany
Syndey Opera House
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Tudor Arghezi Street 21, Bucharest, RO|+40213118724
SMARDT CASE STUDYDaimler Benz Mannheim
Project description:Data-centre cooling – Air-cooled, low noise
level
Technical Data:Load: 1.000 kWChilled water: 18 / 10 °CAmbient max. 35°CCompressors: 3Length: 10.700 mmwidth 2.400 mmheight 2.950 mmNoise pressure level 55 dB(A) in 10m weight 8.000 kgCommissioned 2011
37www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
SMARDT CASE STUDYUrban West Business Park Building, CA
Project description:project according California’s energy reduction and
green house gas emissions policy; reduced noise levels Project outcomes:
• Controlled Comfort Cooling• Reduced Environmental Impact• Improved Energy Efficiency & Superior Energy
Savings • Reduced Operating Costs• Improved Reliability
Technical Data:Load: 320 TRWater cooledCompressors: 3Noise pressure level 67,5dB(A) in 10 m
38www.jetrun.ro
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RC GROUP references worldwide
NEXT DX DLDirect expansion close control air
conditioners with
displacement air delivery
Period: 2014
Application: IT cooling - Airport
End user name: Bari Palese “Karol Wojtyla“ Airpoirt, Bari (Italy)
Plant type: Precision Cooling
Total installed Cooling capacity: 136kW
Installed equipment: nr.16 x direct expansion close control air conditioners with displacement air delivery; nr.16 x remote air cooled condensers.
Project: Bari/Palese Airport. The new terminal will develop a total area of 29,000 square meters divided into terminal, offices and commercial areas. The structure has been sized for an ever increasing traffic, to reach over 3.6 million passengers per year in the next 15 years.
Focus: Precision air conditioning, Displacement, Reliability.
Solution: NEXT DX DL, TEAM MATE
TEAM MATERemote air cooled condensers
Italy
39www.jetrun.ro
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RC GROUP references worldwidePeriod: 2014
Application: IT Cooling – Data Center
End user name: Primary French Bank - Two Data centers (Belgium)
Plant type: Data Center
Total installed Cooling capacity: 8,1 MW
Installed equipment: nr.6 x air cooled liquid chillers in “A” class energy efficiency equipped with screw compressors and axial fans; nr.4 x air cooled liquid chillers with free-cooling system in “A” class energy efficiency equipped with screw compressors and axial fans.
GLIDER EVO FREE CLAFree-cooling liquid
chillers in A class energy efficiency
GLIDER EVO CLAAir cooled liquid chillers with A class energy efficiency
Project: Supply for “A” class energy efficiency chillers for two new data centers of a primary French bank. The data centers satisfy the closest energy efficiency standards of free-cooling maximization. Each data center is composed of three buildings with a total covered surface of 50.000mq dedicated to the data processing.
Focus: “A” class energy efficiency, high energy savings, reliability, free-cooling, glycol free.
Solution: GLIDER EVO CLA, GLIDER EVO FREE CLA
TWO NEW DATA CENTERS FOR A
PRIMARY FRENCH BANK
Belgium
40www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
RC GROUP references worldwidePeriod: 2014
Application: IT cooling – Data Center
End user name: Cosmote MSC (Greece)
Plant type: Data Center
Total installed Cooling capacity: 264kW
Installed equipment: nr.8 x close control air conditioners for chilled water feedingProject: Cosmote is the Greek mobile market leader since 2001
with millions of customers and thousands of employees. The group also operates in Albania and Romania.
Focus: precision air conditioning, chilled water, low noise
Solution: NEXT EVO CW
NEXT EVO CW OClose control air conditioners forchilled water feeding with upflow air delivery.
Greece
41www.jetrun.ro
Tudor Arghezi Street 21, Bucharest, RO|+40213118724
RC GROUP references worldwidePeriod: 2013
Application: Data Center
End user name: HP, Inverno (Italy)
Plant type: Precision air conditioners, Heat pump liquid chiller
Functions ensured by RC Group equipment: Cooling
Total installed Cooling capacity: 734 kW
Installed equipment: nr. 10 x precision air conditioners, nr. 1 x heat pump liquid chiller
Project: HP realized one of the more largest in Europe and sophisticated versions of Data Center. It’s is a compartmentalized building, designed to house and manage a large number of equipment, computing infrastructure and the data they contain, to ensure their physical safety and management.
Focus: precision air conditioning, reliability, energy saving, low noise
Solution: GLIDER HP, NEXT DX U
NEXT DX UPrecision air conditioners with downflow air deliveryGLIDER HP
Heat pump air conditioners
Italy
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PARTNERS
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CONTACT US
ADDRESSTudor Arghezi Street 21, 020943, Bucharest, RO+40213118724
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