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BS EN 1264-2:2021 Water based surface embedded heating and cooling systems - Floor heating. Methods for the determination of the thermal output using calculations and experimental tests, 2021
- undefined
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Thermal boundary conditions
- 5 Documents for testing
- 6 Calculation of the specific thermal output (characteristic curves and limit curves) [Go to Page]
- 6.1 General approach
- 6.2 Systems with pipes installed inside the screed (types A, C, H, I, J)
- 6.3 Systems with pipes installed below the screed or timber floor (type B)
- 6.4 Systems with surface elements (plane section systems, type D)
- 6.5 Limits of the specific thermal output
- 6.6 Influence of pipe material, pipe wall thickness and pipe sheathing on the specific thermal output
- 6.7 Thermal conductivity of screed with inserts
- 7 Thermal conductivity of the materials
- 8 Downward heat loss
- 9 Test procedure for the determination of the thermal output of systems that cannot be calculated in accordance with Clause 6
- 10 Test report
- 11 Test system [Go to Page]
- 11.1 General
- 11.2 Master samples
- 11.3 Verification of test equipment
- 11.4 Determination of the values sm and ϕM,s (qN,M,s, qG,M,s(Rλ;B = 0,15)) of primary master samples
- 11.5 Verification of software
- 12 Calculation of the specific heat capacity of the system (C-Value)
- Annex A (normative)Figures and tables
- Annex B (normative)Influence of the heat exchange coefficient inside the pipe on the specific thermal output
- Annex C (normative)Material data [Go to Page]