BS 5491:1977
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Specification for rating and testing unit air conditioners of above 7 kW cooling capacity
Hardcopy , PDF
15-04-1998
English
29-07-1977
Foreword
Cooperating organizations
Specification
1. Scope
2. References
3. Definitions
4. Test conditions
5. Rating conditions
6. Test methods for cooling capacity
7. Psychrometric methods
8. Compressor calibration method
9. Volatile refrigerant flow method
10. Condenser water method
11. Airflow measurement
12. Condensate measurement
13. Instruments
14. Test preparation and performance
15. Test results
Appendix
A. Determination of nozzle discharge coefficient
Tables
1. Cooling capacity test conditions
2. Maximum operating test conditions
3. Freeze-up test conditions
4. Enclosure sweat test conditions
5. Test method applicability
6. Data to be recorded
7. Test tolerances
Figures
1. Open tunnel air-enthalpy psychrometric test method
arrangement
2. Closed tunnel air-enthalpy psychrometric test method
arrangement
3. Enclosure air-enthalpy psychrometric test method
arrangement
4. Typical air mixing and sampling devices
5. Pressure equalizing device
6. Airflow measuring nozzle
7. Airflow measuring apparatus
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