OSF NR-12-TRS-2 Installation And Operating Manual Download Page 8 | Manualshive

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Operating manual NR-12-TRS-2 Page: 8

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Summary of Contents for NR-12-TRS-2

Page 1: ...witching cycles which may be too short The submerged electrodes are operated using non hazardous safety low voltage The controller itself has been designed to comply with the currently applicable German VDE and CE regulations Specifications Control system Dimensions 220mm x 219mm x 100mm Operational voltage 230V 50Hz Control system power consumption ca 7VA Switching capacity max 1 1kW AC3 Protecti...

Page 2: ...ced switching OPEN Dry run protection pump OFF In normal operation the water level varies between the solenoid valve CLOSED and solenoid valve OPEN The height difference is dependent on individual conditions A minimum of 5 cm should be ensured to achieve sufficient sensing distance Electrical power supply The electrical power supply may only be installed by an approved specialist electrician The f...

Page 3: ...the electrodes the solenoid valve closes freshwater inflow off b Filter pump dry run protection If the water level sinks to below the dry run protection pump OFF submerged electrode due to water losses in the collection reservoir e g due to backflushing the collection reservoir control system switches the filter pump off so that it is not damaged by dry running As soon as the water level rises to ...

Page 4: ...ing system K4 is activated if necessary see DIP 4 DIP 2 OFF Dry run protection works without time limitation When the water level sinks below the dry run protection electrode the pump K3 is switched off It is only switched on again once the water level has reached minimum operating level Dry run protection time limitation ON Dry run protection works with without time limitation When the water leve...

Page 5: ...e set using trimmer 2 0 5 60 minutes the pump is switched off and the error message K4 is switched on DIP 4 Group error message OFF Relay K4 is used for group error messaging It is switched on if the dry run protection activates the solenoid valve time limitation activates see DIP 2 the forced switching time limitation activates see DIP 3 inadmissible measured values are detected in the electrodes...

Page 6: ...ble troubleshooting Caution The service terminal may only be plugged in or unplugged when the control system is switched off Zwg Max Min TRS MV TRS Zwg K4 360s OFF 600s Samm Forced switching Maximum operating level Minimum operating level Dry run protection Water level display Solenoid valve time limitation Dry run protection time limitation Forced switching time limitation Use of contact K4 group...

Page 7: ...he opposite direction the solenoid valve may be damaged The preferred installation location is solenoid vertical on top In this position the wear and contamination risk is lowest Electrical connection The electrical connection may only be carried out by an authorised electrician taking into account the applicable regulations The protective earth connection is essential The junction box may be inse...

Page 8: ...Operating manual NR 12 TRS 2 Page 8 ...

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