Vaillant ecoTEC plus Instructions For Installation And Servicing

Also see for ecoTEC plus 415: Instructions for installation and servicing Instructions for use Instructions for installation and servicing

Contents

Vaillant ecoTEC plus Instructions For Installation And Servicing Manual pdf 26 page image

Instructions for installation and servicing ecoTEC plus 0020020828_07264.4.6 Connection details for external switches andboiler terminal strip.230 Vac systemcontrols• Zone valve• programmer• room thermostat• cylinder thermostatLNENote: All cablesconnected to theappliance shouldbe permanentlyfixed to the wall!* Remove link ifexternal 230vcontrols are tobe fitted7 8 9 L NL NN3 4 5Do not use7, 8, 9 in UK!230 Vac 50 Hz permanent supplydouble poleisolator3 amp fusejunction boxheating pump connection20 VDCFig.4.11 Mains Supply and External Controls4.4.7 Vaillant optional plug in timer accessoriesRefer to the instructions supplied with the optional ac-cessories for connection details. Upon completion of allelectrical connections refit the terminal box cover bypushing into place. The cover is secured by two lockingclips.4.4.8 Connection details using the VR 65 andVR 61 control centreThe Control Centre VR 65 and VR 61 are eBUS systemcomponents. In a storage unit cylinder installation, theyare responsible for the communication between theecoTEC plus boiler and external 2- or 3-way-valves. Con-nect the VR 65 or VR61 Control Centre as described in itsenclosed manual.h Note!When using a VR61 an optional wiring harnessplug is available from Vaillant technical (Tele-phone 01634 292 392) to allow easy connectionof the domestic hot water demand direct to theboiler. If using in conjunction with Solar and aVR68 this plug is not required.4 Boiler installation sequence