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Standard [WITHDRAWN]

DIN EN 12977-5:2012-06

Thermal solar systems and components - Custom built systems - Part 5: Performance test methods for control equipment; German version EN 12977-5:2012

German title
Thermische Solaranlagen und ihre Bauteile - Kundenspezifisch gefertigte Anlagen - Teil 5: Prüfverfahren für die Regeleinrichtungen; Deutsche Fassung EN 12977-5:2012
Publication date
2012-06
Original language
German
Pages
46

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Publication date
2012-06
Original language
German
Pages
46

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Overview

This document 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 are included. 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 parameters. In addition to verifying the functioning of a controller, its equipment and actuators, the determined parameters may be used for numerical system simulations. Typically, electrical anodes are not part of the control equipment and are not controlled by the control equipment. However, because they are electrical appliances, electrical anodes are included in this document. This document is valid for control equipment of solar heating systems for the purpose of hot water preparation and/or space heating. If the solar system is connected to or part of a conventional heating system, the validity is extended to the entire system. In combination with the standards EN 12976-1, EN 12976-2 as well as EN 12977-1, EN 12977-2, EN 12977-3 and EN 12977-4, this document is valid for e) factory made solar heating systems; f) small custom built solar heating systems; g) large custom built solar heating systems; h) auxiliary heater equipment used in connection with e), f) and g). This document (EN 12977-5:2012) has been prepared by Technical Committee CEN/TC 312 "Thermal solar systems and components" (secretariat: ELOT, Greece). Working Committee NA 041-01-56 AA "Solaranlagen" ("Solar systems") at the Heating and Ventilation Technology Standards Committee (NHRS) at DIN, the German Institute for Standardization e. V. has been involved in the preparation of this European Standard.

Content
ICS
27.160, 91.140.10, 91.140.65
Replacement amendments

This document replaces DIN CEN/TS 12977-5:2010-07; DIN SPEC 1211:2010-07 .

This document has been replaced by:: DIN EN 12977-5:2018-07 .

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