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This technical presentation provides an in-depth analysis of the multiple configurations of data centre cooling systems available. Drawing on 40 years’ experience in the industry, Airedale International discusses the options available to achieve the optimum balance between energy efficiency, reliability and footprint, whilst reviewing capital and operational costs. The presentation looks at the complete landscape from mechanical cooling through to full fresh air free cooling where PUEs of near 1.1 can be achieved, with and without adiabatic, and will take into account varied footprints. Aimed at senior Technical and Financial decision-makers, the audience can expect a thorough analysis of current and future data centre cooling systems from the UK’s leading IT cooling solutions provider, as a basis for informed decision-making.
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www.airedale.com
An Apples for Apples Comparison of the Data Centre Cooling Landscape
To provide integrated thermal management solutions, differentiated through innovation and service
George HannahProduct Development Director
What Do We Do?
40 years experience
Design to delivery3kW to 2.0MW
www.airedale.com
Global provider of
efficient cooling
solutions
A pioneer in free-cooling
technology
An industry leader in rack level cooling
Largest UK manufacturer of IT cooling
solutions
What Do We Do?
TurboChill™ Freecool 200 - 1100kW
DeltaChill™ Freecool140 - 1080kW
NEW IMAGE TO COME
www.airedale.com
Global Presence
50,000+ applications since 1974
1,400 last year2012
www.airedale.com
Key Driver - “Increasing Digitalisation”
The data centre market is growing on a global scale The need for data is growing…
Power demand is rising
and thus cooling needsare increasing
Business Issues
Efficiency
Capital Costs
Operational Costs
Footprintand Density Uptime
Solution
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Definitions
Adiabatic
Free Cooling
Mechanical Cooling
Direct Indirect
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Apples For Apples
500kW heat load
10kW per rack
50 racks
UK ambient dry and wet bulb profile
Fixed return air temperatures
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Cooling Landscape
-10 -5 0 5 10 15 20 25 30 35 40
20
40
60
80
100
120
Ambient Dry Bulb Temperature (°C)
DX CRAC’s
Chiller’s
Free Cooling AHU’s
Power Consumption(kWhour)
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Cooling Landscape
-10 -5 0 5 10 15 20 25 30 35 40
20
40
60
80
100
120
Ambient Dry Bulb Temperature (°C)
Power Consumption(kW/hour)
DX CRAC’s
Chiller’s
Free Cooling AHU’s
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Cooling Landscape – CRAC and AHUs
System TypePrimary Cooling Medium
IndoorProduct
OutdoorProduct
IndirectFree
CoolingConcurrent
Mechanical Cooling
Adiabatic
Chiller System+ Adiabatic Chiller
DX CRAC System Condenser
Chiller System
Standard Chiller
Chiller System+ Free Cool Chiller
FREE
COOL
Chiller System+ Adiabatic & Free Cool Chiller
FREE
COOL
System TypePrimaryCoolingMedium
OutdoorProduct
Direct/IndirectFree
CoolingConcurren
tMechanical
CoolingAdiabatic
Direct AHU+ Concurrent AHU
FREE
COOL
Direct AHU + Adiabatic AHU
FREE
COOL
Indirect AHU+ Concurrent AHU
FREE
COOL
Indirect AHU+ Adiabatic AHU
FREE
COOL
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Cooling Landscape – CRAC Unit Options
Chiller System + Adiabatic & Free
Cool Chiller
FREE
COOL
Chiller SystemStandard Chiller
Chiller System + Free Cool Chiller
FREE
COOL
System Type IndoorProduct
OutdoorProduct
FreeCooling
AdiabaticPrimary Cooling Medium
Indirect
DX CRAC SystemCondenser
Chiller System+ Adiabaitic Chiller
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Cooling Landscape – Air Handling Unit Options
System TypePrimary Cooling Medium
Outdoor Product
Direct/
Indirect
FreeCooling
Concurrent Adiabatic
Direct AHU + Adiabatic AHU
FREE
COOL
Indirect AHU + Adiabatic AHU
FREE
COOL
Direct AHU + Concurrent AHU
FREE
COOL
Indirect AHU + Concurrent AHU
FREE
COOL
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Primary Cooling Medium
Direct / Indirect
FREE
COOL
Free Cooling
Concurrent (Free and
Mech)
Mechanical Cooling
Adiabatic Cooling
Cooling Systems
Refrigerant CRAC System and Condenser
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FREE
COOL
Primary Cooling Medium
Direct / Indirect
Free Cooling
Concurrent (Free and
Mech)
Mechanical Cooling
Adiabatic Cooling
Cooling Systems
Chilled Water CRAC System + Chiller
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FREE
COOL
Primary Cooling Medium
Direct / Indirect
Free Cooling
Concurrent (Free and
Mech)
Mechanical Cooling
Adiabatic Cooling
Cooling Systems
Chilled Water CRAC System + Adiabatic Chiller
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FREE
COOL
Primary Cooling Medium
Direct / Indirect
Free Cooling
Concurrent (Free and
Mech)
Mechanical Cooling
Adiabatic Cooling
Cooling Systems
Chilled Water CRAC System + Free Cooling Chiller
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FREE
COOL
Primary Cooling Medium
Direct / Indirect
Free Cooling
Concurrent (Free and
Mech)
Mechanical Cooling
Adiabatic Cooling
Cooling Systems
Chilled Water CRAC System + Adiabatic Free Cooling Chiller
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FREE
COOL
Primary Cooling Medium
Direct / Indirect
Free Cooling
Concurrent (Free and
Mech)
Mechanical Cooling
Adiabatic Cooling
Cooling Systems
Direct Air Free Cooling Air Handling Unit
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FREE
COOL
Primary Cooling Medium
Direct / Indirect
Free Cooling
Concurrent (Free and
Mech)
Mechanical Cooling
Adiabatic Cooling
Cooling Systems
Direct Air Free Cooling Air Handling Unit + Adiabatic
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FREE
COOL
Primary Cooling Medium
Direct / Indirect
Free Cooling
Concurrent (Free and
Mech)
Mechanical Cooling
Adiabatic Cooling
Cooling Systems
Indirect Air Free Cooling Air Handling Unit
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FREE
COOL
Primary Cooling Medium
Direct / Indirect
Free Cooling
Concurrent (Free and
Mech)
Mechanical Cooling
Adiabatic Cooling
Cooling Systems
Indirect Air Free Cooling Air Handling Unit + Adiabatic
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Free Cooling Potential
Wet Bulb atPeak Dry Bulb
Peak Dry Bulb
35
15
0
10
5
20
25
30
Jan May Jun Jul Aug Sep Oct Nov DecFeb Mar Apr
°C
Data obtained from London Gatwick
FREE
COOL
Free CoolingThreshold
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Total Cost of Ownership (5yrs) – 500kW System
DX CRAC
Chiller
Adiabatic Chiller
FC Chiller
Adiabatic FC Chiller
Direct + Concurrent
Direct + Adiabatic
Indirect + Concurrent
Indirect + Adiabatic
0 400 800£k
Operational Costs
Capital Costs
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Annualised PUE – 500kW System
1.10 1.25 1.45
DX CRAC
Chiller
Adiabatic Chiller
FC Chiller
Adiabatic FC Chiller
Direct + Concurrent
Direct + Adiabatic
Indirect + Concurrent
Indirect + Adiabatic
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Total Cost of Ownership – 500kW System
700
200
Year 1
Year 2
Year 3
Year 4
Year 5
400
0
£k Chiller - Standard£676,000
Chiller + Adiabatic£686,000
Chiller + Free Cooling£384,000
Chiller + Adiabatic & Free Cooling
£359,000
Direct AHU + Concurrent£272,000
Direct AHU + Adiabatic£271,000
Indirect + Concurrent£358,000
Indirect + Adiabatic£354,000
DX CRAC£628,000
£357,573£270,079
100
300
500
600
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Cooling Equipment Footprint
0 25 50m2
Indoor Footprint
Total System Footprint
DX CRAC
Chiller
Adiabatic Chiller
FC Chiller
Adiabatic FC Chiller
Direct + Concurrent
Direct + Adiabatic
Indirect + Concurrent
Indirect + Adiabatic
Indoor Footprint
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Cooling Landscape
-10 -5 0 5 10 15 20 25 30 35 40
20
40
60
80
100
120
Ambient Dry Bulb Temperature (°C)
DX CRAC’s
Chiller’s
Free Cooling AHU’s
Power Consumption(kW/hour)
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Cooling Landscape
-10 -5 0 5 10 15 20 25 30 35 40
20
40
60
80
100
120
Ambient Dry Bulb Temperature (°C)
Power Consumption(kW/hour)
DX CRAC’s
Chiller’s
Free Cooling AHU’s
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Data Centre Solutions
AireFlowTM
AHUs100-300kW
SmartCoolTM
16-233kWInRakTM
10-63kWCondensers/Dry Coolers12-174kW
Free-coolingChillers20kW-1.6MW
OnRakTM
3-35kW
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Data Centre Solutions
ACISTM Integrated Controls Solutions
Business Issues - Recap
Efficiency
Capital Costs
Operational Costs
Footprintand Density Uptime
Solution
