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BS ISO 13253:2017+A1:2020 Ducted air-conditioners and air-to-air heat pumps. Testing and rating for performance >
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BS ISO 13253:2017+A1:2020 Ducted air-conditioners and air-to-air heat pumps. Testing and rating for performance, 2020
- undefined
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Symbols
- 5 Airflow setting
- 5.1 General
- 5.2 Indoor airflow setting
- 5.3 ESP for rating
- 5.4 Outdoor airflow
- 5.5 Unit supplied without indoor fan
- 6 Cooling tests
- 6.1 Cooling capacity tests
- 6.1.1 General conditions
- 6.1.2 Temperature conditions
- 6.1.3 Test conditions
- 6.2 Maximum cooling performance test
- 6.2.1 General conditions
- 6.2.2 Temperature conditions
- 6.2.3 Airflow conditions
- 6.2.4 Test conditions
- 6.2.5 Performance requirements
- 6.3 Minimum cooling performance test
- 6.3.1 General conditions
- 6.3.2 Temperature conditions
- 6.3.3 Airflow conditions
- 6.3.4 Test conditions
- 6.3.5 Performance requirements
- 6.4 Condensate control and enclosure sweat performance test
- 6.4.1 General conditions
- 6.4.2 Temperature conditions
- 6.4.3 Airflow conditions
- 6.4.4 Test conditions
- 6.4.5 Performance requirements
- 7 Heating tests
- 7.1 Heating capacity tests
- 7.1.1 General conditions
- 7.1.2 Temperature conditions
- 7.1.3 Airflow conditions
- 7.1.4 Defrost operation
- 7.1.5 Test procedure — General
- 7.1.6 Preconditioning period
- 7.1.7 Equilibrium period
- 7.1.8 Data collection period
- 7.1.9 Test procedure when a defrost cycle (whether automatically or manually initiated) ends the preconditioning period
- 7.1.10 Test procedure when a defrost cycle does not end the preconditioning period
- 7.1.11 Test procedure for transient tests
- 7.1.12 Heating capacity test results
- 7.2 Maximum heating performance test
- 7.2.1 General conditions
- 7.2.2 Temperature conditions
- 7.2.3 Airflow conditions
- 7.2.4 Test conditions
- 7.2.5 Performance requirements
- 7.3 Minimum heating performance test
- 7.3.1 General conditions
- 7.3.2 Temperature conditions
- 7.3.3 Airflow conditions
- 7.3.4 Test conditions
- 7.3.5 Performance requirements
- 7.4 Automatic defrost performance test
- 7.4.1 General conditions
- 7.4.2 Temperature conditions
- 7.4.3 Airflow conditions
- 7.4.4 Test conditions
- 7.4.5 Performance requirements
- 8 Test methods and uncertainties of measurement
- 8.1 Test methods
- 8.1.1 General
- 8.1.2 Calorimeter test method
- 8.1.3 Indoor air enthalpy method
- 8.1.4 Capacity tests
- 8.2 Uncertainty of measurement
- 8.3 Test tolerances for steady-state cooling and heating capacity tests
- 8.4 Test tolerances for performance tests
- 9 Test results
- 9.1 Capacity results
- 9.1.1 General
- 9.1.2 Adjustments
- 9.1.3 Cooling capacity calculations
- 9.1.4 Heating capacity calculations
- 9.2 Data to be recorded
- 9.3 Test report
- 9.3.1 General information
- 9.3.2 Capacity test results
- 9.3.3 Performance tests
- 10 Marking provisions
- 10.1 Nameplate requirements
- 10.2 Nameplate information
- 10.3 Split systems
- 11 Publication of ratings
- 11.1 Standard ratings
- 11.2 Other ratings
- Annex A (normative) Airflow settings for ducted units
- Annex B (normative) Test requirements
- Annex C (informative) Airflow measurement
- Annex D (normative) Calorimeter test method
- Annex E (normative) Indoor air enthalpy test method
- Annex F (informative) Refrigerant enthalpy test method
- Annex G (informative) Outdoor air enthalpy test method
- Annex H (informative) Indoor calorimeter confirmative test method
- Annex I (informative) Outdoor calorimeter confirmative test method
- Annex J (informative) Balanced-type calorimeter confirmative test method
- Annex K (informative) Cooling condensate measurements
- Annex L (normative) Supplemental requirements when rating fan-less (coil-only) type units
- Annex M (informative) Pictorial examples of the heating capacity test procedures given in 7.1
- Bibliography [Go to Page]
