1 and 2 New Ludgate - Revision history

Designing Buildings at 07:04, 21 December 2020

2020-12-21T07:04:53Z

← Older revision		Revision as of 07:04, 21 December 2020
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		+	Article from the June 2015 edition of the [http://www.cibsejournal.com/ CIBSE Journal] written by Phil Thompson.

−	~~Article from the June 2015 edition of the [http://www.cibsejournal.com/ CIBSE Journal] written by Phil Thompson.~~	+	-----
−		+	Limited space and strict noise requirements led to a compact, enclosed chiller being specified for an office scheme at 1 and 2 New Ludgate, in central London.
−	----	+
−		+
−	Limited space and strict noise requirements led to a compact, enclosed chiller being specified for an office scheme at 1 and 2 New Ludgate, in central London.~~<br/>~~	+

	The strict noise requirements of Land Securities’ commercial development helped to determine the specification of the chillers for the project. Air conditioning manufacturer Carrier worked closely with the client, consultant and contractor, SRW, to develop a compact, energy efficient design that enabled the chillers to be located in a restricted space. As a result, the chillers could be mounted on the rooftop, rather than in the basement, which was where the plant was located in the original design. This gave Land Securities more usable commercial space.		The strict noise requirements of Land Securities’ commercial development helped to determine the specification of the chillers for the project. Air conditioning manufacturer Carrier worked closely with the client, consultant and contractor, SRW, to develop a compact, energy efficient design that enabled the chillers to be located in a restricted space. As a result, the chillers could be mounted on the rooftop, rather than in the basement, which was where the plant was located in the original design. This gave Land Securities more usable commercial space.
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	Air conditioning for the buildings is supplied by six 930 kW (nominal) chillers with variable speed drive (VSD)-controlled screw compressors, alongside six smaller chillers with scroll compressors. The project included a bespoke pump, control and chiller sequencing package.		Air conditioning for the buildings is supplied by six 930 kW (nominal) chillers with variable speed drive (VSD)-controlled screw compressors, alongside six smaller chillers with scroll compressors. The project included a bespoke pump, control and chiller sequencing package.

−	"The software was programmed in-house and designed to maximise energy efficiency and air conditioning performance, as well as extend the working life of the chillers by careful run-time sequencing," says Danny Lear, specification and solutions manager at Carrier UK. "We were able to carry out full witness testing of working chillers at our facility in France, ensuring the solution met the specification fully."	+	"The software was programmed in-house and designed to maximise energy efficiency and air conditioning performance, as well as extend the working life of the chillers by careful run-time sequencing," says Danny Lear, specification and solutions manager at Carrier UK. "We were able to carry out full witness testing of working chillers at our facility in France, ensuring the solution met the specification fully."

−	After installation, Carrier’s service team will, under a full-maintenance contract, ensure the chillers are maintained at peak performance level. The six screw compressor chillers are supplied with integral control that combines variable-speed condenser fans with variable-speed screw compressors, enabling close matching of cooling output to current load conditions. The constant control of the onboard intelligent control system, claims Carrier, enables the chiller to operate with very good part-load efficiency.~~<br/>~~	+	After installation, Carrier’s service team will, under a full-maintenance contract, ensure the chillers are maintained at peak performance level. The six screw compressor chillers are supplied with integral control that combines variable-speed condenser fans with variable-speed screw compressors, enabling close matching of cooling output to current load conditions. The constant control of the onboard intelligent control system, claims Carrier, enables the chiller to operate with very good part-load efficiency.

−	With the ability to vary both condenser fan speed and compressor speed in response to constantly changing demand, the chiller can continue to operate in its ‘sweet spot’ in terms of performance and energy efficiency. Carrier asserts it delivers a full-load energy efficiency ratio (EER) of up to 3.4 and a European seasonal energy efficiency ratio (ESEER) up to 4.9. Through a control system, building owners can monitor log performance data from the chiller via a web browser.<br/><br/>Newly introduced software optimises the use of compressors, fans and cooling circuits by constantly calculating the most efficient fan speed and water-flow rate, based on the current load and ambient conditions, and controls them to main appropriate refrigerant operating pressures through continuous feedback and adjustment.	+	With the ability to vary both condenser fan speed and compressor speed in response to constantly changing demand, the chiller can continue to operate in its ‘sweet spot’ in terms of performance and energy efficiency. Carrier asserts it delivers a full-load energy efficiency ratio (EER) of up to 3.4 and a European seasonal energy efficiency ratio (ESEER) up to 4.9. Through a control system, building owners can monitor log performance data from the chiller via a web browser.<br />
		+	<br />
		+	Newly introduced software optimises the use of compressors, fans and cooling circuits by constantly calculating the most efficient fan speed and water-flow rate, based on the current load and ambient conditions, and controls them to main appropriate refrigerant operating pressures through continuous feedback and adjustment.

−	For the full article on the --[[User~~%3ACIBSE~~\|CIBSE]] website click [http://www.cibsejournal.com/ here].	+	For the full article on the --[[User:CIBSE\|CIBSE]] website click [http://www.cibsejournal.com/ here].

−	[[Category:~~Projects_and_case_studies~~]] [[Category:DCN_Project_Knowledge]]	+	[[Category:DCN_Commentary]] [[Category:DCN_Project_Knowledge]] [[Category:Projects_and_case_studies]]

Designing Buildings at 12:31, 18 June 2015

2015-06-18T12:31:42Z

← Older revision		Revision as of 12:31, 18 June 2015
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	Limited space and strict noise requirements led to a compact, enclosed chiller being specified for an office scheme at 1 and 2 New Ludgate, in central London.<br/>		Limited space and strict noise requirements led to a compact, enclosed chiller being specified for an office scheme at 1 and 2 New Ludgate, in central London.<br/>

−	The strict noise requirements of Land Securities’ commercial development helped to determine the specification of the chillers for the project. Air conditioning manufacturer Carrier worked closely with the client, consultant and contractor, SRW, to develop a compact, energy efficient design that enabled the chillers to be located in a restricted space. As a result, the chillers could be mounted on the rooftop, rather than in the basement, which was where the plant was located in the original design. This gave Land Securities more usable commercial space.	+	The strict noise requirements of Land Securities’ commercial development helped to determine the specification of the chillers for the project. Air conditioning manufacturer Carrier worked closely with the client, consultant and contractor, SRW, to develop a compact, energy efficient design that enabled the chillers to be located in a restricted space. As a result, the chillers could be mounted on the rooftop, rather than in the basement, which was where the plant was located in the original design. This gave Land Securities more usable commercial space.

	The chiller manufacturer designed and built a custom package to enclose the chillers and reduce the amount of noise. The condensers are specifically configured to resist damage from hailstorms that can otherwise create significant, accumulating, impact damage to the coils, reducing their performance.		The chiller manufacturer designed and built a custom package to enclose the chillers and reduce the amount of noise. The condensers are specifically configured to resist damage from hailstorms that can otherwise create significant, accumulating, impact damage to the coils, reducing their performance.

−	Air conditioning for the buildings is supplied by six 930 kW (nominal) chillers with variable speed drive (VSD)-controlled screw compressors, alongside six smaller chillers with scroll compressors. The project included a bespoke pump, control and chiller sequencing package.	+	Air conditioning for the buildings is supplied by six 930 kW (nominal) chillers with variable speed drive (VSD)-controlled screw compressors, alongside six smaller chillers with scroll compressors. The project included a bespoke pump, control and chiller sequencing package.

−	"The software was programmed in-house and designed to maximise energy efficiency and air conditioning performance, as well as extend the working life of the chillers by careful run-time sequencing," says Danny Lear, specification and solutions manager at Carrier UK. "We were able to carry out full witness testing of working chillers at our facility in France, ensuring the solution met the specification fully."	+	"The software was programmed in-house and designed to maximise energy efficiency and air conditioning performance, as well as extend the working life of the chillers by careful run-time sequencing," says Danny Lear, specification and solutions manager at Carrier UK. "We were able to carry out full witness testing of working chillers at our facility in France, ensuring the solution met the specification fully."

	After installation, Carrier’s service team will, under a full-maintenance contract, ensure the chillers are maintained at peak performance level. The six screw compressor chillers are supplied with integral control that combines variable-speed condenser fans with variable-speed screw compressors, enabling close matching of cooling output to current load conditions. The constant control of the onboard intelligent control system, claims Carrier, enables the chiller to operate with very good part-load efficiency.<br/>		After installation, Carrier’s service team will, under a full-maintenance contract, ensure the chillers are maintained at peak performance level. The six screw compressor chillers are supplied with integral control that combines variable-speed condenser fans with variable-speed screw compressors, enabling close matching of cooling output to current load conditions. The constant control of the onboard intelligent control system, claims Carrier, enables the chiller to operate with very good part-load efficiency.<br/>
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	With the ability to vary both condenser fan speed and compressor speed in response to constantly changing demand, the chiller can continue to operate in its ‘sweet spot’ in terms of performance and energy efficiency. Carrier asserts it delivers a full-load energy efficiency ratio (EER) of up to 3.4 and a European seasonal energy efficiency ratio (ESEER) up to 4.9. Through a control system, building owners can monitor log performance data from the chiller via a web browser.<br/><br/>Newly introduced software optimises the use of compressors, fans and cooling circuits by constantly calculating the most efficient fan speed and water-flow rate, based on the current load and ambient conditions, and controls them to main appropriate refrigerant operating pressures through continuous feedback and adjustment.		With the ability to vary both condenser fan speed and compressor speed in response to constantly changing demand, the chiller can continue to operate in its ‘sweet spot’ in terms of performance and energy efficiency. Carrier asserts it delivers a full-load energy efficiency ratio (EER) of up to 3.4 and a European seasonal energy efficiency ratio (ESEER) up to 4.9. Through a control system, building owners can monitor log performance data from the chiller via a web browser.<br/><br/>Newly introduced software optimises the use of compressors, fans and cooling circuits by constantly calculating the most efficient fan speed and water-flow rate, based on the current load and ambient conditions, and controls them to main appropriate refrigerant operating pressures through continuous feedback and adjustment.

−	For the full article on the --[[User~~:CIBSE~~\|CIBSE]] website click [http://www~~.designingbuildings.co.uk/w/index.php?title=Www~~.cibsejournal.com~~&action=edit&redlink=1~~ here].	+	For the full article on the --[[User%3ACIBSE\|CIBSE]] website click [http://www.cibsejournal.com/ here].

−	[[Category:Projects_and_case_studies]]	+	[[Category:Projects_and_case_studies]] [[Category:DCN_Project_Knowledge]]

Designing Buildings: moved CIBSE Case Study: Sound Choice to 1 and 2 New Ludgate

2015-06-18T12:31:09Z

moved CIBSE Case Study: Sound Choice to 1 and 2 New Ludgate

← Older revision

Revision as of 12:31, 18 June 2015

Designing Buildings at 12:30, 18 June 2015

2015-06-18T12:30:48Z

← Older revision		Revision as of 12:30, 18 June 2015
Line 1:		Line 1:

	Article from the June 2015 edition of the [http://www.cibsejournal.com/ CIBSE Journal] written by Phil Thompson.		Article from the June 2015 edition of the [http://www.cibsejournal.com/ CIBSE Journal] written by Phil Thompson.
		+
		+	----

	Limited space and strict noise requirements led to a compact, enclosed chiller being specified for an office scheme at 1 and 2 New Ludgate, in central London.<br/>		Limited space and strict noise requirements led to a compact, enclosed chiller being specified for an office scheme at 1 and 2 New Ludgate, in central London.<br/>

−	The strict noise requirements of Land Securities’ commercial development ~~at 1 and 2 New Ludgate, in London,~~ helped to determine the specification of the chillers for the project. Air conditioning manufacturer Carrier worked closely with the client, consultant and contractor, SRW, to develop a compact, energy efficient design that enabled the chillers to be located in a restricted space. As a result, the chillers could be mounted on the rooftop, rather than in the basement, which was where the plant was located in the original design. This gave Land Securities more usable commercial space. The chiller manufacturer designed and built a custom package to enclose the chillers and reduce the amount of noise. The condensers are specifically configured to resist damage from hailstorms that can otherwise create significant, accumulating, impact damage to the coils ~~and will reduce~~ their performance.	+	The strict noise requirements of Land Securities’ commercial development helped to determine the specification of the chillers for the project. Air conditioning manufacturer Carrier worked closely with the client, consultant and contractor, SRW, to develop a compact, energy efficient design that enabled the chillers to be located in a restricted space. As a result, the chillers could be mounted on the rooftop, rather than in the basement, which was where the plant was located in the original design. This gave Land Securities more usable commercial space.
		+
		+	The chiller manufacturer designed and built a custom package to enclose the chillers and reduce the amount of noise. The condensers are specifically configured to resist damage from hailstorms that can otherwise create significant, accumulating, impact damage to the coils, reducing their performance.
		+
		+	Air conditioning for the buildings is supplied by six 930 kW (nominal) chillers with variable speed drive (VSD)-controlled screw compressors, alongside six smaller chillers with scroll compressors. The project included a bespoke pump, control and chiller sequencing package.
		+
		+	"The software was programmed in-house and designed to maximise energy efficiency and air conditioning performance, as well as extend the working life of the chillers by careful run-time sequencing," says Danny Lear, specification and solutions manager at Carrier UK. "We were able to carry out full witness testing of working chillers at our facility in France, ensuring the solution met the specification fully."

−	~~Air conditioning for~~ the ~~buildings is supplied by~~ six ~~930 kW (nominal)~~ chillers with ~~VSD~~-~~controlled~~ screw compressors, ~~alongside six smaller chillers with scroll compressors~~. The ~~project included a bespoke pump,~~ control ~~and chiller sequencing package. ‘The software was programmed in-house and designed to maximise energy efficiency and air conditioning performance, as well as extend the working life~~ of the ~~chillers by careful run-time sequencing~~,~~’ says Danny Lear, specification and solutions manager at~~ Carrier UK.	+	After installation, Carrier’s service team will, under a full-maintenance contract, ensure the chillers are maintained at peak performance level. The six screw compressor chillers are supplied with integral control that combines variable-speed condenser fans with variable-speed screw compressors, enabling close matching of cooling output to current load conditions. The constant control of the onboard intelligent control system, claims Carrier, enables the chiller to operate with very good part-load efficiency.<br/>

−	~~‘We were able~~ to ~~carry out full witness testing of working chillers at our facility~~ in ~~France~~, ~~ensuring the solution met~~ the ~~specification fully~~.~~’ After installation, Carrier’s service team will, under~~ a full-maintenance contract, ensure the chillers are maintained at peak performance level. The six screw compressor chillers are supplied with integral control that combines variable-speed condenser fans with variable- speed screw compressors, enabling close matching of ~~cooling output~~ to ~~current load conditions~~. ~~The constant control of the onboard intelligent~~ control system, ~~claims Carrier, enables~~ the chiller ~~to operate with very good part-load efficiency~~.<br/>	+	With the ability to vary both condenser fan speed and compressor speed in response to constantly changing demand, the chiller can continue to operate in its ‘sweet spot’ in terms of performance and energy efficiency. Carrier asserts it delivers a full-load energy efficiency ratio (EER) of up to 3.4 and a European seasonal energy efficiency ratio (ESEER) up to 4.9. Through a control system, building owners can monitor log performance data from the chiller via a web browser.<br/><br/>Newly introduced software optimises the use of compressors, fans and cooling circuits by constantly calculating the most efficient fan speed and water-flow rate, based on the current load and ambient conditions, and controls them to main appropriate refrigerant operating pressures through continuous feedback and adjustment.

−	~~With~~ the ~~ability to vary both condenser fan speed and compressor speed in response to constantly changing demand,~~ the ~~chiller can continue to operate in its ‘sweet spot’ in terms of performance and energy efficiency. Carrier asserts it delivers a full~~-~~load energy efficiency ratio (EER) of up to 3~~.~~4 and a European seasonal energy efficiency ratio (ESEER) up to 4~~.9. ~~Through a control system, building owners can monitor and log performance data from the chiller via a web browser.<br~~/~~><br~~/~~>Newly introduced software optimises use of compressors, fans and cooling circuits~~. It does this by constantly calculating the most efficient fan speed and water-flow rate, based on the current load and ambient conditions, and controls them to main appropriate refrigerant operating pressures through continuous feedback and adjustment.	+	For the full article on the --[[User:CIBSE\|CIBSE]] website click [http://www.designingbuildings.co.uk/w/index.php?title=Www.cibsejournal.com&action=edit&redlink=1 here].

−	~~For the full article on the~~ [~~http~~:~~//www.designingbuildings.co.uk/wiki/CIBSE CIBSE~~] ~~website click [http://www.designingbuildings.co.uk/w/index.php?title=Www.cibsejournal.com&action=edit&redlink=1 here~~].	+	[[Category:Projects_and_case_studies]]

CIBSE at 15:10, 3 June 2015

2015-06-03T15:10:58Z

← Older revision		Revision as of 15:10, 3 June 2015
Line 12:		Line 12:
	With the ability to vary both condenser fan speed and compressor speed in response to constantly changing demand, the chiller can continue to operate in its ‘sweet spot’ in terms of performance and energy efficiency. Carrier asserts it delivers a full-load energy efficiency ratio (EER) of up to 3.4 and a European seasonal energy efficiency ratio (ESEER) up to 4.9. Through a control system, building owners can monitor and log performance data from the chiller via a web browser.<br/><br/>Newly introduced software optimises use of compressors, fans and cooling circuits. It does this by constantly calculating the most efficient fan speed and water-flow rate, based on the current load and ambient conditions, and controls them to main appropriate refrigerant operating pressures through continuous feedback and adjustment.		With the ability to vary both condenser fan speed and compressor speed in response to constantly changing demand, the chiller can continue to operate in its ‘sweet spot’ in terms of performance and energy efficiency. Carrier asserts it delivers a full-load energy efficiency ratio (EER) of up to 3.4 and a European seasonal energy efficiency ratio (ESEER) up to 4.9. Through a control system, building owners can monitor and log performance data from the chiller via a web browser.<br/><br/>Newly introduced software optimises use of compressors, fans and cooling circuits. It does this by constantly calculating the most efficient fan speed and water-flow rate, based on the current load and ambient conditions, and controls them to main appropriate refrigerant operating pressures through continuous feedback and adjustment.

−	~~Please go to~~	+	For the full article on the [http://www.designingbuildings.co.uk/wiki/CIBSE CIBSE] website click [http://www.designingbuildings.co.uk/w/index.php?title=Www.cibsejournal.com&action=edit&redlink=1 here].

CIBSE at 15:09, 3 June 2015

2015-06-03T15:09:55Z

← Older revision		Revision as of 15:09, 3 June 2015
Line 1:		Line 1:

−	Article from the June 2015 edition of the [http://www.cibsejournal.com/ CIBSE Journal] written by Phil Thompson. ~~<br/>~~	+	Article from the June 2015 edition of the [http://www.cibsejournal.com/ CIBSE Journal] written by Phil Thompson.

−	Limited space and strict noise requirements led to a compact, enclosed chiller being specified for an office scheme at 1 and 2 New Ludgate, in central London. <br/>	+	Limited space and strict noise requirements led to a compact, enclosed chiller being specified for an office scheme at 1 and 2 New Ludgate, in central London.<br/>

−	The strict noise requirements of Land Securities’ commercial development	+	The strict noise requirements of Land Securities’ commercial development at 1 and 2 New Ludgate, in London, helped to determine the specification of the chillers for the project. Air conditioning manufacturer Carrier worked closely with the client, consultant and contractor, SRW, to develop a compact, energy efficient design that enabled the chillers to be located in a restricted space. As a result, the chillers could be mounted on the rooftop, rather than in the basement, which was where the plant was located in the original design. This gave Land Securities more usable commercial space. The chiller manufacturer designed and built a custom package to enclose the chillers and reduce the amount of noise. The condensers are specifically configured to resist damage from hailstorms that can otherwise create significant, accumulating, impact damage to the coils and will reduce their performance.

−	at 1 and 2 New Ludgate, in London, helped to determine the specification of the chillers for the project. Air conditioning manufacturer Carrier worked closely with the client, consultant and contractor, SRW, to develop a compact, energy efficient design that enabled the chillers to be located in a restricted space. As a result, the chillers could be mounted on the rooftop, rather than in the basement, which was where the plant was located in the original design. This gave Land Securities more usable commercial space. The chiller manufacturer designed and built a custom package to enclose the chillers and reduce the amount of noise. The condensers are specifically configured to resist damage from hailstorms that can otherwise create significant, accumulating, impact damage to the coils and will reduce their performance.	+	Air conditioning for the buildings is supplied by six 930 kW (nominal) chillers with VSD-controlled screw compressors, alongside six smaller chillers with scroll compressors. The project included a bespoke pump, control and chiller sequencing package. ‘The software was programmed in-house and designed to maximise energy efficiency and air conditioning performance, as well as extend the working life of the chillers by careful run-time sequencing,’ says Danny Lear, specification and solutions manager at Carrier UK.
−		+
−	Air conditioning for the buildings is supplied by six 930 kW (nominal) chillers with VSD-controlled screw compressors, alongside six smaller chillers with scroll compressors. The project included a bespoke pump, control and chiller sequencing package. ‘The software was programmed in-house and designed to maximise energy efficiency and air conditioning performance, as well as extend the working life of the chillers by careful run-time sequencing,’ says Danny Lear, specification and solutions manager at Carrier UK.	+

	‘We were able to carry out full witness testing of working chillers at our facility in France, ensuring the solution met the specification fully.’ After installation, Carrier’s service team will, under a full-maintenance contract, ensure the chillers are maintained at peak performance level. The six screw compressor chillers are supplied with integral control that combines variable-speed condenser fans with variable- speed screw compressors, enabling close matching of cooling output to current load conditions. The constant control of the onboard intelligent control system, claims Carrier, enables the chiller to operate with very good part-load efficiency.<br/>		‘We were able to carry out full witness testing of working chillers at our facility in France, ensuring the solution met the specification fully.’ After installation, Carrier’s service team will, under a full-maintenance contract, ensure the chillers are maintained at peak performance level. The six screw compressor chillers are supplied with integral control that combines variable-speed condenser fans with variable- speed screw compressors, enabling close matching of cooling output to current load conditions. The constant control of the onboard intelligent control system, claims Carrier, enables the chiller to operate with very good part-load efficiency.<br/>

CIBSE: Created page with " Article from the June 2015 edition of the [http://www.cibsejournal.com/ CIBSE Journal] written by Phil Thompson.
Limited space and strict noise requirements led to a com..."

2015-06-03T15:09:22Z

Created page with " Article from the June 2015 edition of the [http://www.cibsejournal.com/ CIBSE Journal] written by Phil Thompson. Limited space and strict noise requirements led to a com..."

New page

Article from the June 2015 edition of the [http://www.cibsejournal.com/ CIBSE Journal] written by Phil Thompson. 

Limited space and strict noise requirements led to a compact, enclosed chiller being specified for an office scheme at 1 and 2 New Ludgate, in central London. 

The strict noise requirements of Land Securities’ commercial development

at 1 and 2 New Ludgate, in London, helped to determine the specification of the chillers for the project. Air conditioning manufacturer Carrier worked closely with the client, consultant and contractor, SRW, to develop a compact, energy efficient design that enabled the chillers to be located in a restricted space. As a result, the chillers could be mounted on the rooftop, rather than in the basement, which was where the plant was located in the original design. This gave Land Securities more usable commercial space. The chiller manufacturer designed and built a custom package to enclose the chillers and reduce the amount of noise. The condensers are specifically configured to resist damage from hailstorms that can otherwise create significant, accumulating, impact damage to the coils and will reduce their performance.

Air conditioning for the buildings is supplied by six 930 kW (nominal) chillers with VSD-controlled screw compressors, alongside six smaller chillers with scroll compressors. The project included a bespoke pump, control and chiller sequencing package. ‘The software was programmed in-house and designed to maximise energy efficiency and air conditioning performance, as well as extend the working life of the chillers by careful run-time sequencing,’ says Danny Lear, specification and solutions manager at Carrier UK.

‘We were able to carry out full witness testing of working chillers at our facility in France, ensuring the solution met the specification fully.’ After installation, Carrier’s service team will, under a full-maintenance contract, ensure the chillers are maintained at peak performance level. The six screw compressor chillers are supplied with integral control that combines variable-speed condenser fans with variable- speed screw compressors, enabling close matching of cooling output to current load conditions. The constant control of the onboard intelligent control system, claims Carrier, enables the chiller to operate with very good part-load efficiency. 

With the ability to vary both condenser fan speed and compressor speed in response to constantly changing demand, the chiller can continue to operate in its ‘sweet spot’ in terms of performance and energy efficiency. Carrier asserts it delivers a full-load energy efficiency ratio (EER) of up to 3.4 and a European seasonal energy efficiency ratio (ESEER) up to 4.9. Through a control system, building owners can monitor and log performance data from the chiller via a web browser. Newly introduced software optimises use of compressors, fans and cooling circuits. It does this by constantly calculating the most efficient fan speed and water-flow rate, based on the current load and ambient conditions, and controls them to main appropriate refrigerant operating pressures through continuous feedback and adjustment.

Please go to