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

Vaillant ecoTEC plus Instructions For Installation And Servicing Manual pdf 21 page image

21Instructions for installation and servicing ecoTEC plus / 0020020828_05Boiler installation sequence 44.4.4 ControlsControls Item no. ConnectionVRC 400 (1-circuit controller, weather-controlled) 00 2001 0843 Installation in electronics box or wall-mounted (plug-and play)VRT 360 (room temperature controlled) 00 2001 0842 Wall-mounted, 2-wire bus (plug-and-play)timeSWITCH 140 (timer) 306 760 Installation in electronics box (plug-and-play)Accessory Item no. ConnectionVR 65 control centre for UK cylinder installation (eBUS) 307 215 System solution for UK cylinder connectionTable 4.2 Vaillant controls (used in conjunction with the VR 65 accessory)4.4.5 External electrical controlsThe boiler terminals 3, 4 and 5 are for connectingexternal electrical controls. Terminals 3 and 4 are linkedtogether when the boiler is supplied. If external controlsare used, this link must be removed, and the controlsconnected to terminal 4. Terminal 5 is an additionalneutral connection for external neutrals such as fromthe anticipator of a room thermostat.4.4.6 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 acces-sories for connection details. Upon completion of all elec-trical connections refit the terminal box cover by pushinginto place. The cover is secured by two locking clips.4.4.8 Connection details using the VR 65 controlcentreThe Control Centre VR 65 is an eBUS system component.In a storage unit cylinder installation, it is responsiblefor the communication between the ecoTEC plus boilerand external 2- or 3-way-valves. Connect the VR 65Control Centre as described in the enclosed manual.