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UNI EN 15316-4-7 : 2009

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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HEATING SYSTEMS IN BUILDINGS - METHOD FOR CALCULATION OF SYSTEM ENERGY REQUIREMENTS AND SYSTEM EFFICIENCIES - PART 4-7: SPACE HEATING GENERATION SYSTEMS, BIOMASS COMBUSTION SYSTEMS

Superseded date

22-02-2018

Published date

01-01-2009

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, symbols and units
  3.1 Terms and definitions
  3.2 Symbols and units
4 Principle of the method
  4.1 Heat balance of the biomass combustion sub-system,
      including control of heat generation
      4.1.1 Physical factors for biomass combustion
            sub-system (biomass boiler) taken into
            account
      4.1.2 Calculation structure (input and output data)
  4.2 Generation sub-system basic energy balance
  4.3 Auxiliary energy
  4.4 Recoverable, recovered and unrecoverable system
      thermal losses
  4.5 Calculation steps
  4.6 Using net or gross calorific values
  4.7 Boundaries between distribution and generation
      sub-system
5 Biomass combustion sub-system calculation
6 Calculation method for boilers with automatic stocking
7 Calculation method for boilers with stocking by hand
  7.1 Available methodologies
  7.2 Operation periods
      7.2.1 General
      7.2.2 Heating up operation cycle
      7.2.3 Boiler heating operation cycle
      7.2.4 Cooling down operation cycle
      7.2.5 Boiler non operation cycle
  7.3 Case specific boiler efficiency method
      7.3.1 Principle of the method
      7.3.2 Input data to the method
      7.3.3 Load of the boiler
      7.3.4 Biomass boiler thermal losses
      7.3.5 Total auxiliary energy
      7.3.6 Recoverable generation system thermal losses
      7.3.7 Fuel input
      7.3.8 Operating temperature of the biomass boiler
  7.4 Boiler cycling method
      7.4.1 Principle of the method
      7.4.2 Input data for the calculation method
      7.4.3 Load factor
      7.4.4 Specific thermal losses
      7.4.5 Total thermal losses
      7.4.6 Auxiliary energy
      7.4.7 Recoverable system thermal losses
      7.4.8 Calculation procedure for a modulating
            biomass boiler (fan assisted)
Annex A (informative) - Additional formulas and
        default values for parametering the case
        specific boiler efficiency method
      A.1 Information on the method
          A.1.1 Basic assumptions and intended use
          A.1.2 Known approximations
      A.2 Boiler efficiencies and stand-by heat losses
          A.2.1 Default values for boiler efficiency
                at full load and intermediate load as
                a function of the boiler power output
          A.2.2 Stand-by heat losses
          A.2.3 Correction factor taking into account
                variation of efficiency depending on
                boiler average water temperature
      A.3 Auxiliary energy
      A.4 Recoverable boiler thermal losses
          A.4.1 Auxiliary energy
          A.4.2 Thermal losses (boiler envelope)
          A.4.3 Default data according to boiler location
Annex B (informative) - Additional formulas and default
        values for parametering the boiler cycling method
      B.1 Information on the method
          B.1.1 Basis assumptions and intended use
          B.1.2 Known approximations
      B.2 Default specific losses
          B.2.1 Default data for calculation of thermal
                losses through the chimney with boiler on
          B.2.2 Default values for calculation of thermal
                losses through the boiler envelope
          B.2.3 Default values for calculation of thermal
                losses through the chimney with the
                boiler off
      B.3 Default values for calculation of auxiliary
          energy
      B.4 Additional default data for modulating burners
Annex C (informative) - Storage systems for biomass
        combustion systems
      C.1 General
          C.1.1 Accumulator storage system
          C.1.2 Load balancing storage system
      C.2 Sizing of storage systems for biomass
          combustion systems
          C.2.1 Sizing of the volume of the accumulator
                storage tank
          C.2.2 Sizing of the volume of the load
                balancing tank
      C.3 System thermal losses of storage systems
          C.3.1 Thermal losses
          C.3.2 Auxiliary energy of the circulation pump
Annex D (informative) - Calculation procedure with an
        example for biomass boiler with stocking by
        hand - Case specific boiler efficiency method
Annex E (informative) - Calculation procedure with an
        example for biomass boiler with stocking by
        hand (Cycling method)
Bibliography

Describes the: - required inputs; - calculation method; - resulting outputs, for space heating generation by biomass combustion sub-systems (boilers) with stocking by hand, including control.

DocumentType
Standard
PublisherName
Ente Nazionale Italiano di Unificazione (UNI)
Status
Superseded
SupersededBy

Standards Relationship
EN 15316-4-7:2008 Identical

UNI/TS 11300-4 : 2012 ENERGY PERFORMANCE OF BUILDINGS - PART 4: RENEWABLE ENERGY AND OTHER GENERATION SYSTEMS FOR SPACE HEATING AND DOMESTIC HOT WATER PRODUCTION

EN ISO 15927-1:2003 Hygrothermal performance of buildings - Calculation and presentation of climatic data - Part 1: Monthly means of single meteorological elements (ISO 15927-1:2003)
EN 15603:2008 Energy performance of buildings - Overall energy use and definition of energy ratings
EN 15316-3-3:2007 Heating systems in buildings - Method for calculation of system energy requirements and system efficiencies - Part 3-3: Domestic hot water systems, generation
EN ISO 13790:2008 Energy performance of buildings - Calculation of energy use for space heating and cooling (ISO 13790:2008)
EN 303-5:2012 Heating boilers - Part 5: Heating boilers for solid fuels, manually and automatically stoked, nominal heat output of up to 500 kW - Terminology, requirements, testing and marking
CEN/TS 14961:2005 Solid biofuels - Fuel specifications and classes
ISO 13602-2:2006 Technical energy systems Methods for analysis Part 2: Weighting and aggregation of energywares
ISO 15927-1:2003 Hygrothermal performance of buildings Calculation and presentation of climatic data Part 1: Monthly means of single meteorological elements
CEN/TS 14588:2003 Solid biofuels - Terminology, definitions and descriptions
92/42/EEC : 1992 AMD 5 2013 COUNCIL DIRECTIVE 92/42/EEC OF 21 MAY 1992 ON EFFICIENCY REQUIREMENTS FOR NEW HOT-WATER BOILERS FIRED WITH LIQUID OR GASEOUS FUELS
EN 15316-3-2:2007 Heating systems in buildings - Method for calculation of system energy requirements and system efficiencies - Part 3-2: Domestic hot water systems, distribution
ISO 13790:2008 Energy performance of buildings Calculation of energy use for space heating and cooling
EN 15316-4-1:2017 Energy performance of buildings - Method for calculation of system energy requirements and system efficiencies - Part 4-1: Space heating and DHW generation systems, combustion systems (boilers, biomass), Module M3-8-1, M8-8-1
ISO 7345:1987 Thermal insulation Physical quantities and definitions
EN 15316-2-3:2007 Heating systems in buildings - Method for calculation of system energy requirements and system efficiencies - Part 2-3: Space heating distribution systems

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