GB2186399B - Automatic chilled water setpoint temperature control using return chilled water temperature - Google Patents

Automatic chilled water setpoint temperature control using return chilled water temperature

Info

Publication number
GB2186399B
GB2186399B GB8702264A GB8702264A GB2186399B GB 2186399 B GB2186399 B GB 2186399B GB 8702264 A GB8702264 A GB 8702264A GB 8702264 A GB8702264 A GB 8702264A GB 2186399 B GB2186399 B GB 2186399B
Authority
GB
United Kingdom
Prior art keywords
chilled water
automatic
return
temperature control
temperature
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
GB8702264A
Other versions
GB2186399A (en
GB8702264D0 (en
Inventor
Thomas M Zinsmeyer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Carrier Corp
Original Assignee
Carrier Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Carrier Corp filed Critical Carrier Corp
Publication of GB8702264D0 publication Critical patent/GB8702264D0/en
Publication of GB2186399A publication Critical patent/GB2186399A/en
Application granted granted Critical
Publication of GB2186399B publication Critical patent/GB2186399B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F25B49/022—Compressor control arrangements
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1917—Control of temperature characterised by the use of electric means using digital means
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Control Of Temperature (AREA)
  • Air Conditioning Control Device (AREA)
  • Lubricants (AREA)
  • Sorption Type Refrigeration Machines (AREA)
GB8702264A 1986-02-03 1987-02-02 Automatic chilled water setpoint temperature control using return chilled water temperature Expired - Lifetime GB2186399B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82540486A 1986-02-03 1986-02-03

Publications (3)

Publication Number Publication Date
GB8702264D0 GB8702264D0 (en) 1987-03-11
GB2186399A GB2186399A (en) 1987-08-12
GB2186399B true GB2186399B (en) 1990-03-28

Family

ID=25243939

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8702264A Expired - Lifetime GB2186399B (en) 1986-02-03 1987-02-02 Automatic chilled water setpoint temperature control using return chilled water temperature

Country Status (5)

Country Link
JP (1) JPS62182556A (en)
KR (1) KR910004007B1 (en)
CA (1) CA1281393C (en)
FR (1) FR2593898B1 (en)
GB (1) GB2186399B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT394911B (en) * 1990-09-12 1992-07-27 Vaillant Gmbh ELECTRONIC ROOM TEMPERATURE CONTROL

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2059642A (en) * 1979-09-12 1981-04-23 Borg Warner Evaporator inlet water temperature control system in an air-conditioning system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1414102A (en) * 1964-09-24 1965-10-15 Carrier Corp Improvements to control systems
US4539020A (en) * 1983-07-10 1985-09-03 Kawasaki Steel Corporation Methods for obtaining high-purity carbon monoxide
US4506516A (en) * 1984-04-06 1985-03-26 Carrier Corporation Refrigeration unit compressor control
US4538422A (en) * 1984-05-14 1985-09-03 Carrier Corporation Method and control system for limiting compressor capacity in a refrigeration system upon a recycle start
US4589060A (en) * 1984-05-14 1986-05-13 Carrier Corporation Microcomputer system for controlling the capacity of a refrigeration system
US4546618A (en) * 1984-09-20 1985-10-15 Borg-Warner Corporation Capacity control systems for inverter-driven centrifugal compressor based water chillers

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2059642A (en) * 1979-09-12 1981-04-23 Borg Warner Evaporator inlet water temperature control system in an air-conditioning system

Also Published As

Publication number Publication date
CA1281393C (en) 1991-03-12
GB2186399A (en) 1987-08-12
KR910004007B1 (en) 1991-06-20
FR2593898B1 (en) 1989-07-28
KR870008161A (en) 1987-09-24
FR2593898A1 (en) 1987-08-07
JPS62182556A (en) 1987-08-10
GB8702264D0 (en) 1987-03-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960202