MY121902A - Air conditioning system - Google Patents

Air conditioning system

Info

Publication number
MY121902A
MY121902A MYPI9603572A MY121902A MY 121902 A MY121902 A MY 121902A MY PI9603572 A MYPI9603572 A MY PI9603572A MY 121902 A MY121902 A MY 121902A
Authority
MY
Malaysia
Prior art keywords
compressor
cooling units
hot gas
liquid refrigerant
condensing unit
Prior art date
Application number
Inventor
Loh Taik Hong
Mohammad Norazam B Mohd Dahlan
Lee Chen Guan
Adrian Hang Pow Kwang
Paul Jonathan Mcintosh
Original Assignee
Carrier Internat Sdn Bhd
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 Internat Sdn Bhd filed Critical Carrier Internat Sdn Bhd
Priority to MYPI9603572 priority Critical patent/MY121902A/en
Priority to SG1997002877A priority patent/SG53032A1/en
Priority to IDP973001A priority patent/ID18146A/en
Priority to CN 97116219 priority patent/CN1131394C/en
Priority to HK98105110.7A priority patent/HK1005949B/en
Publication of MY121902A publication Critical patent/MY121902A/en

Links

Landscapes

  • Air Conditioning Control Device (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)

Abstract

AN AIR CONDITIONING SYSTEM COMPRISING AN OUTDOOR CONDENSING UNIT SERVING A PLURALITY OF INDIVIDUALLY OPERABLE INDOOR COOLING UNITS (FCU1-5). THE CONDENSING UNIT INCLUDES A LOGIC CONTROL CIRCUIT (33) FOR CONTROLLING THE FLOW OF LIQUID REFRIGERANT TO THE FAN COILS OF THE COOLING UNITS ACCORDING TO THE DEMAND FOR COOLING. THE SYSTEM EMPLOYS NORMALLY-OPEN SOLENOID VALVES (LSA-LSE) WHEREBY, WHEN THE POWER TO THE SYSTEM IS INTERRUPTED, WHETHER DELIBERATELY OR UNITENTIONALLY, THE FLUID PATH ADVANTAGEOUSLY REMAINS OPEN TO PERMIT PRESSURE EQUALIZATION BEFORE THE SYSTEM IS RESTARTED. ADDITIONALLY, THE COMPRESSOR (COMP1, COMP2) IS FITTED WITH A HOT GAS FEEDBACK DEVICE (27, BS1; 26 BS2). WHEN THE NUMBER OF COOLING UNITS IN USE AT ANY TIME IS TOO LOW FOR THE CAPACITY OF THE COMPRESSOR, LIQUID REFRIGERANT IS PREVENTED FROM REACHING THE COMPRESSOR BY FEEDING A PORTION OF THE HOT GAS OUTPUT BY THE COMPRESSOR TO THE INPUT THEREOF SO AS TO EFFECTIVELY INCREASE THE LOAD OF THE COMPRESSOR.(FIG. 1)
MYPI9603572 1996-08-28 1996-08-28 Air conditioning system MY121902A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
MYPI9603572 MY121902A (en) 1996-08-28 1996-08-28 Air conditioning system
SG1997002877A SG53032A1 (en) 1996-08-28 1997-08-08 Air conditioning system
IDP973001A ID18146A (en) 1996-08-28 1997-08-28 AIR CONDITIONING SYSTEM
CN 97116219 CN1131394C (en) 1996-08-28 1997-08-28 Air conditioning system
HK98105110.7A HK1005949B (en) 1996-08-28 1998-06-10 Air conditioning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MYPI9603572 MY121902A (en) 1996-08-28 1996-08-28 Air conditioning system

Publications (1)

Publication Number Publication Date
MY121902A true MY121902A (en) 2006-03-31

Family

ID=19749752

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI9603572 MY121902A (en) 1996-08-28 1996-08-28 Air conditioning system

Country Status (4)

Country Link
CN (1) CN1131394C (en)
ID (1) ID18146A (en)
MY (1) MY121902A (en)
SG (1) SG53032A1 (en)

Also Published As

Publication number Publication date
ID18146A (en) 1998-03-05
CN1131394C (en) 2003-12-17
SG53032A1 (en) 1998-09-28
HK1005949A1 (en) 1999-02-05
CN1174962A (en) 1998-03-04

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