Vaillant ecoTEC SERIES Instructions For Installation And Servicing

Also see for ecoTEC plus 612: Instructions for use Installation and maintenance instructions Instructions for use Installation and maintenance manual Instructions for installation and servicing

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Vaillant ecoTEC SERIES Instructions For Installation And Servicing Manual pdf 30 page image

30 Instructions for installation and servicing ecoTEC 839592_124.15 Controls4.15.1 Vaillant controls and accessoriesController Item no. ConnectionVRC 400 (1-circuit controller, weather-controlled) 00 2001 0843 Installation in electronics box (plug-and-play)VRT 360 (room temperature controller) 00 2001 0842 Wall-mounted, 2-wire busAvailable from 10-01-2006VRT 360f (room temperature controller) 00 2001 8258 Wireless controller, receiver wall-mountedVRT 230 (room temperature controller) 00 2001 0841 Wall-mounted, 3-wire connection to terminals 3-4-5timeSWITCH 140 (timer) 306 760 Installation in electronics box (plug-and-play)timeSWITCH 130 (timer) 306 759 Installation in electronics box (plug-and-play)VRT 30 (room thermostat) 300 637 Wall-mounted, 3-wire connection to terminals 3-4-5VRT 50 (room thermostat) 00 2001 8265 Wall-mounted, 2-wire busTelecommunication Item no. ConnectionvrnetDIALOG 830 (Int) 00 2000 3988 GSM/GPRS, installation in electronics box (plug-and-play)vrnetDIALOG 860/2 (Int) 00 2000 3984 Wall-mounted, GSM/GPRS, up to 16 appliancesAccessories Item no. ConnectionVR 65 control centre for UK cylinder installation (eBUS) 307 215 System solution for UK cylinder connectionvrDIALOG 810/2 00 2002 3370 Diagnostic softwareTable 4.1 Vaillant controls and accessories4.15.2 External electrical controlsThe boiler terminals 3, 4 and 5 are for connectingexternal electrical controls such as a time switch and/orroom thermostat. Terminals 3 and 4 are linked togetherwhen the boiler is supplied. If external controls are used,this link must be removed, and the controls connectedacross terminals 3 and 4. Terminal 5 is an additionalneutral connection for external neutrals such as fromthe anticipator of a room thermostat.4.15.3 Connection details for external time switchesand boiler terminal strip3987MAINSSUPPLY230 V50 HzLLL NNN N20 VDC (DO NOT USE 7, 8, 9 IN UK!)3 A FUSE SWITCHCONTACTSROOMTHERMOSTATCLOCK4 5Fig. 4.18 Connection details for time switchesIf a room thermostat is to be connected in addition to atime switch the wire between the time switch “ON”terminal and boiler terminal 4 should be broken by thecontacts of the room thermostat (see schematic layout,Fig. 4.18).4.15.4 Vaillant optional plug in timer accessoriesRefer to the instructions supplied with the optionalaccessories for connection details. Upon completion ofall electrical connections refit the terminal box cover bypushing into place. The cover is secured by two lockingclips.4.15.5 Connection details using the VR 65 ControlCenterThe VR 65 Control Center is an eBUS system component.In a storage unit installation, it is responsible for thecommunication between the storage unit, theecoTEC plus system boilers and external 2- or 3-way-valves. Connect the VR 65 Controll Center as describedin the enclosed manual.4 Boiler installation sequence