Appendix126 Installation instructions geoTHERM 0020051574_0417Electrical circuit diagram - VWWvrnetDIALOGLNPE1LN 12SCH2 17L N82 1ASBLN2LN3LN4L N6LN51 2VF21 2RF11 2VF1-+BUS1 2EVU1 21xZPPressuresensorsPressure sensorHeating circuitPressure sensorBrine circuitLow-pressuresensorHigh-pressuresensorTemperature sensorsAMUDCF OT AFDCF/AFNLZHNOnOffLP/UV 1NLSK2-PNLSK2-PNLHK2-PNOnOffHK21 2SPbluebrownyellow-greenbluebrownyellow-greenbrownyellow-greenorangeorangeredblackbluegreyblackblackwhitewhiteL1 L2 L3Start-upcurrent limitercontactorT1 T2 T3A1 A2L1 L2 L3ProtectorcontactorWell pumpT1 T2 T3A1 A2L1 L2 L3ControlcontactorWell pumpT1 T2 T3A1 A2L1 L2 L3Externalaux. heatercontactorT1 T2 T3A1 A2PEyellowyellowbrowngreyblackyellowyellowbluebrownbrowngreyblackbrowngreyblackblackbrowngreyblackblackL1 L2 L3ControlcontactorCompressorT1 T2 T3A1 A2L1 L2 L3ProtectorcontactorCompressorT1 T2 T3A1 A2orangeblackorangeblueM1T2M2T1ThermalovercurrentrelayL3 L2 L1N PELNPELNPEL3NPE L2 L1L3NL3 L2 L1NPEL3 L2 L1NPEHeating circuitpump (to befitted on-site)MWell pump(to be fittedon-site)External auxiliary heater(to be fitted on-site)Primarymains supply300 x 400 V PENblueblueblueblueblackgreybrowngreyblackblackblackbrowngreyblackorangeorangebrownblackgreybrownyellow-greenbluebrownblackgreybrownblackbrownblueyellow-greenppHigh-pressureswitchLow-pressureswitchStart-upcurrentlimiterL2L1 L3L2L1 L3blackblackX1 X2X4X3FuseT4A/250 VFuseT4A/250 V Phase monitoringPhase monitoringbrowngreyblackL1L2L39596brownbluegreyblackConnectionWell pumpL1PELN L2L3L1 PELNL2L3yellow-greenblue blueblackblackblackgreygreybrownbrown123456 123456bluebrownpFlow-switchbrowngreyblackbrowngreyblackbrowngreyblackbrowngreyblackbrowngreyblackL3L2L1PECompressorbrowngreyblackwhitewhitewhitebrowngreyblack17.5 Appendix, Electrical circuit diagram VWW 220/2 - VWW300/2
