NS EN 12055 : 1ED 1998

Foreword
1 Scope
2 Normative references
3 Definitions
4 Designations
    4.1 Designation of temperatures of heat transfer media
    4.2 Denomination of units
5 Rating test
    5.1 Basic principles
    5.2 Test installation
    5.3 Uncertainties of measurement
    5.4 Test conditions
    5.5 Test procedure
6 Test report
    6.1 General information
    6.2 Additional information
    6.3 Rating test
7 Marking
8 Requirements
    8.1 General
    8.2 Temperature operating range
    8.3 Outside the operating range
    8.4 Shutting off the heat transfer media flows
    8.5 Complete power supply failure
9 Technical data sheet
    9.1 General
    9.2 General description
    9.3 Performance characteristics
    9.4 Electrical characteristics
    9.5 Operating range
10 Instructions
    10.1 General
    10.2 Physical description
    10.3 Instructions for installation
    10.4 Instruction for maintenance
Annex A (informative) Part load operation
Annex B (informative) Conformance criteria
Annex C (informative) Bibliography

Defines procedures for testing and reporting the rating and operational requirements, and defines requirements for marking liquid chilling packages, water/water and air/water heat pumps with electrically driven compressors when used for cooling or cooling heat recovery. Applicable to factor-made units with integral condensers or to remote condensers.