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BS ISO 5222-1:2023

BS ISO 5222-1:2023

$142.49

Heat recovery ventilators and energy recovery ventilators. Testing and calculating methods for seasonal performance factor – Sensible heating recovery seasonal performance factors of heat recovery ventilators (HRV)

Published By Publication Date Number of Pages
BSI 2023 28
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PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
8 4 Symbols and abbreviated terms
9 5 Tests
5.1 General requirements
5.2 Test conditions
5.3 Test methods
5.3.1 General
10 5.3.2 Energy saving stage limit temperature
5.3.3 Sensible heating recovery performance test
5.3.4 Determination of bypass outdoor temperature
5.3.5 Measurement of power input of heat recovery ventilator with bypass ventilation function
11 5.3.6 Determination of the frosting temperature by test
12 6 Calculations
6.1 Gross sensible heating recovery effectiveness (εsh)
6.2 Sensible heating coefficient of energy
6.2.1 Sensible heating coefficient of energy: ducted ventilators
6.2.2 Sensible heating coefficient of energy: unducted ventilators
13 6.3 Calculation of seasonal performance factor of sensible heating recovery (Fsh)
6.3.1 Reference outdoor air heating load and sensible heating recovery capacity
6.3.2 The characteristics of sensible heating recovery capacity against outdoor temperature
14 6.3.3 Power input characteristics of sensible heating recovery against outdoor temperature
15 6.3.4 Outdoor temperature bin distribution for heating
6.3.5 Calculation of seasonal sensible heating recovery capacity (Esh)
6.3.6 Calculation of seasonal sensible heating recovery power input (Pin,E)
16 6.3.7 Calculation of seasonal performance factor for sensible heating recovery (Fsh)
7 Test report
17 Annex A (informative) The schematic diagram of HRV heating (H) operation
19 Annex B (informative) The default outdoor temperature bin distribution for heating
20 Annex C (normative) Method of determination of the temperature TF,0
21 Annex D (informative) Calculating method for seasonal performance factor when setting a specific application heating load
23 Annex E (normative) Calculation of the bypass outdoor temperature
24 Annex F (informative) Report template
27 Bibliography

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BS ISO 5222-1:2023
$142.49