Summary of ecoTEC SERIES

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    For the owner operating manual ecotec gas wall boilers with condensing appliance technology vu 466/4 vu 656/4 gb.

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    Operating manual ecotec 0020052777_00 2 appliance characteristics vaillant ecotec units are compact wall-mounted gas condensing boilers. Recommended accessories vaillant provides, for control of the ecotec, various controller versions for connection to the terminal rail or for plugging into the oper...

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    3 operating manual ecotec 0020052777_00 notes on the documentation 1 1 notes on the documentation the following information is intended to help you throughout the entire documentation. Further documents apply in combination with this oper- ating manual. We accept no liability for any damage caused b...

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    Operating manual ecotec 0020052777_00 4 2 safety 2.1 erection and adjustment installation and adjustment of the boiler and service, maintenance and repair work may only be carried out by expert technicians in accordance with regulations in- troduced in 1998 governing the safety of gas installa- tion...

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    5 operating manual ecotec 0020052777_00 a caution! Inappropriate alterations can cause damage! Under no circumstances should you attempt to make alterations to the gas wall-mounted boiler or other parts of the system. Never try to carry out maintenance work or re- pairs on the appliance yourself. • ...

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    Operating manual ecotec 0020052777_00 6 3 instructions on operation 3.1 vaillant warranty vaillant provide a full parts and labour warranty for this appliance. The appliance must be installed by a suitably competent person in accordance with the gas safety (installation and use) regulations 1998, an...

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    7 operating manual ecotec 0020052777_00 3.6 energy saving tips installing a weather compensator weather-compensators regulate the heating feed tem- perature with reference to the outside temperature. No more heat is generated than is currently required. The designated heating flow temperature for th...

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    Operating manual ecotec 0020052777_00 8 these pumps undoubtedly enhance the convenience of the hot water generation process. But they also need power. And circulating hot water that is not used cools off when passing through pipes and then needs to be reheated. Therefore, circulation pumps are to be...

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    9 operating manual ecotec 0020052777_00 10 rotary knob for specifying the storage tempera- ture (in conjunction with vu units with connect- ed domestic hot water cylinder vih) digital information and analysis system (dia) 1 fig. 4.2 display ecotec a digital information and analysis system is fitted ...

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    Operating manual ecotec 0020052777_00 10 4.2 measures prior to commissioning 4.2.1 opening the isolating elements h note! The isolator devices are not included in the scope of delivery for your unit. They are fitted by your heating engineer on site. He must ex- plain to you the position and handling...

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    11 operating manual ecotec 0020052777_00 4.3 start-up 1 2 fig. 4.5 switching the appliance on • use the main switch ( 1 ) to switch the appliance on and off: 1 : " on " 0 : " off " when you switch the unit on the display ( 2 ) shows the current heating feed temperature. To customise the settings in ...

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    Operating manual ecotec 0020052777_00 12 4.4.2 deactivating the storage tank mode in vu units connected to domestic hot water cylinders you can deactivate the hot water generation or recharg- ing operation whilst keeping the heating system in operation. • turn the rotary knob for setting the hot wat...

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    13 operating manual ecotec 0020052777_00 4.5.2 setting the flow temperature (using a con- troller) 1 fig. 4.9 setting the flow temperature using a controller if your boiler has a room thermostat or weather com- pensator, you must make the following settings: • turn the rotary knob ( 1 ) for the heat...

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    Operating manual ecotec 0020052777_00 14 display meaning displays during heating operation s. 0 heating, no heat demand s. 1 heating mode, fan start-up s. 2 heating mode, pump flow s. 3 heating mode, ignition s. 4 heating mode, burner on s. 6 heating mode, fan overrun s. 7 heating mode, pump overrun...

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    15 operating manual ecotec 0020052777_00 a caution! Inappropriate alterations can cause damage! If your gas-fired boiler still does not start after the third attempt to suppress the fault, consult a recognised expert technician company or vaillant service solutions for advice. 4.7.3 faults in the ai...

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    Operating manual ecotec 0020052777_00 16 4.8 decommissioning 1 fig. 4.15 switching off the appliance • to shut down your gas wall-mounted boiler, turn the main switch ( 1 ) to the position " 0 ". A caution! The frost protection and monitoring systems are only active if the main switch of the unit is...

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    17 operating manual ecotec 0020052777_00 4.10 maintenance and customer service to ensure that the unit is always ready for operation, is operationally safe and reliable and has a long working life, inspection/maintenance must be carried out annu- ally by an expert technician or by vaillant. Further ...

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