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SR EN 12977-5:2012

Thermal solar systems and components - Custom built systems - Part 5: Performance test methods for control equipment

This European Standard specifies performance test methods for control equipment. Furthermore, this document contains requirements on accuracy, durability and reliability of control equipment. The tests described in this document are limited to electrically activated components delivered with or for the system by the final supplier. For the purposes of this document controller and control equipment for solar heating systems and auxiliary heaters, if part of the system, are restricted to the following: a) Controllers as: 1) system clocks, timers and counters; 2) differential thermostats; 3) multi-function controllers. b) Sensors as: 1) temperature sensors; 2) irradiance sensors (for short wave radiation); 3) pressure sensors; 4) level sensors; 5) flow meters; 6) heat meters. c) Actuators as: 1) pumps; 2) solenoid and motor valves; 3) relays. d) Combinations of controllers, sensors and actuators listed above. An additional objective of the procedures described in this document is to verify control algorithms and, together with the accuracy of sensors, to determine control paramet

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Status : Withdrawn
Approval date : 9/28/2012
Withdrawal date : 10/31/2018
Number of pages : 54
ICS : 27.160 Solar energy engineering
Technical Committee : 302 - Space heating appliances, ventilation and room air conditioner

Relations with other standards: