OperationInstallation instructions VRC 470 0020116690_00 2177.2 Installer level overviewSelectionlevel 1Selectionlevel 2Selectionlevel 3Setting level Values Unit Step size,selectFactoryresetOwn settingmin. max.InstallerlevelEnter code 000 999 – 1 000Serviceinforma-tionEntercontactdetailsInstaller 1 11 Figures A to Z,0 to 9,blank spacesPhone 1 12 Num-bers0 to 9,blank spaces,hyphenServicedateNext service on DateSystemconfigura-tionSystemStatus Current value* –Water pressure Current value barDomestic hot water Current value °CCollector temp. 1) Current value °CFrost protect. delay 0 12 h 1 4Pump Blocking Time Off, 5 60 min 1 15Max. pre-heat 0 300 min 10 0Max. pre-switch-off 0 120 min 10 0OT constant heating Off, -25 10 °C 1 OffRaisingtemperature 2)0 15 K 0Control modules List SoftwareversionHeating circuitconf. 2)Ht crt. 1,Ht crt. 2,Ht crt. 1 &Ht crt. 2Ht crt. 1Tab. 7.1 Installer level overview1) Appears only if solar module VR 68/2 is connected.2) Appears only if mixing module VR 61/2 is connected.3) Appears only if mixing module VR 61/2 or solar moduleVR 68/2 is connected.4) Appears only if cylinder actoSTOR VIH RL is connected.5) Appears only if remote control unit VR 81/2 is connected.6) Appears only if no mixing module VR 61/2 is connected.* If there is no fault, then the status is "OK". If there is a fault,"Fault" appears here and you can read the error message(¬ Section 10.2) here.