CEN/TS 12977-5:2010

This document (prCEN/TS 12977-5:2008) specifies performance test methods for control equipment. Furthermore this document contains requirements on accuracy, durability and reliability of control equipment. The tests described in prCEN/TS 12977-5 are limited to components delivered with or for the system by the final supplier. For the purposes of this document (prCEN/TS 12977-5) controller and control equipment for solar heating systems and auxiliary heaters, if part of the system, are restricted to: - Controllers as - system clocks, timers and counters, - differential thermostats, - multi-function controllers. - Sensors as - temperature sensors, - irradiance sensors (for short wave radiation), - pressure sensors, - level sensors, - flow meters or - heat meters. - Actuators as - pumps, - solenoid and motor valves or - relays.