I.S. EN 15450:2007

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
  3.1 Terms and definitions
  3.2 Symbols, units and abbreviations
4 System design requirements
  4.1 General
      4.1.1 Basic consideration
      4.1.2 Heat source
      4.1.3 Electrical supply
      4.1.4 Strategy
      4.1.5 Positioning
      4.1.6 Noise level
  4.2 Heat supply
  4.3 Additional backup heater
  4.4 Domestic hot water production or other
      attached systems
      4.4.1 Hot water demand
      4.4.2 Heat pump data
      4.4.3 Sizing (heat pump capacity, DHW storage
            volume, auxiliary source capacity)
      4.4.4 Specific control requirement for DHW
            production
      4.4.5 Other specifications
  4.5 Hydraulic integration
  4.6 Control of the system
  4.7 Safety arrangements
  4.8 Operational requirements
      4.8.1 General
      4.8.2 Provisions for monitoring operational conditions
            (e.g. temperature, power consumption)
5 Installation requirements
6 Commissioning of the system
  6.1 Overview
  6.2 Preparation of commissioning
      6.2.1 Heat distribution circuit
      6.2.2 Ground loop
      6.2.3 Filling and venting
      6.2.4 Switch box and electrical wiring
  6.3 Commissioning
      6.3.1 Functional performance tests
      6.3.2 Operation performance tests
      6.3.3 Balancing
  6.4 Handing over
Annex A (informative) Guidelines for determining design
                      parameters
  A.1 Design parameters for heat pumps using
      water as a heat source
      A.1.1 Water quality
      A.1.2 Water temperature
      A.1.3 Water quantity
  A.2 Design parameters for heat pumps using ground as a heat
      source
      A.2.1 General
      A.2.2 Ground temperature
      A.2.3 Heat extraction rates
      A.2.4 Vertical bore heat exchanger
Annex B (informative) Standard hydraulic circuits
Annex C (normative) Calculation and requirements for Seasonal
                    Performance Factors (SPF)
  C.1 Definitions
  C.2 Calculations
  C.3 Minimum and target SPF-values for heat pumps
Annex D (informative) Noise levels in the vicinity
Annex E (informative) Average daily tapping patterns for domestic
                      hot water production
  E.1 Average daily tapping patterns
  E.2 Example calculation
Annex F (informative) Capacity control
  F.1 General control strategy
  F.2 Capacity control of the heat pump
  F.3 Enhanced Cycle Systems
Bibliography

Describes design criteria for heating systems in buildings using electrically driven heat pumps alone or in combination with other heat generators.