Brugsvejledning Directions for use Bedienungsanweisung ... - Velux

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Brugsvejledning Directions for use Bedienungsanweisung ... - Velux

Adjustment channels4.1.11 Limit collector temperatureCollector emergency shutdownIf the adjusted collector temperature limit (EM/EM1/EM2) is exceeded, the solar pump (R1/R2) isdeactivated in order to avoid a damaging overheatingof the solar components (collector emergencyshutdown). The factorysetting for the limit temperatureis 140°C, but it can be changed within theadjustment range of 110 ... 200°C. is displayed(flashing).EM / EM1 / EM2:Limit collector temperatureAdjustment range:110 ... 200°C,Factory setting: 140°C4.1.12 System coolingIf the adjusted maximum store temperature isreached, the solar system switches-off. If now thecollector temperature rises to the adjusted maximumcollector temperature (CMX/CMX1/CMX2),the solar pump remains activated until this limittemperature value is again underrun. The storetemperature might continue to rise (subordinatedactive maximum store temperature), but only up to95°C (emergency shutdown of the store). In orderto recool the store to its maximum temperature, theuse of the recooling function OREC is recommended.In case of active system cooling is shown onthe display (flashing). Due to the cooling functionthe solar system can be kept operable for a longerperiod on hot summer days. A thermal release of thecollector and the heat transfer medium is ensuredas well.4.1.13 Option minimum collector limitationThe minimum collector temperature is a minimumswitch-on temperature, which has to be exceededso that the solar pump (R1/R2) is switched-on. Theminimum temperature is meant to avoid a steadystarting-up of the solar pump (or solid fuel boilercharging pumps) for low collector temperatures. Ifthe minimum temperature is underrun, is shownon the display (flashing).OCX / OCX1 / OCX2:Option system coolingAdjustment range:OFF ... ONFactory setting: OFFCMX / CMX1 / CMX2:Maximum collectortemperatureAdjustment range:100 ... 190°CFactory setting: 120°COCN / OCN1 / OCN2:Mimimum collectorlimitationAdjustment range:OFF/ONFactory setting: OFFCMN / CMN1 /CMN2:Minimum collectortemperatureAdjustment range:10 ... 90°CFactory setting: 10°C53 VELUX

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