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Vaillant ecoTEC plus 937 Operating Manual

Summary of ecoTEC plus 937

  • Page 1

    For the owner operating manual ecotec plus 937 vui gb gas condensing storage combination boiler.

  • Page 2

    Operating instructions ecotec plus 937 2 contents appliance characteristics ......................................... 2 recommended accessories ....................................... 2 1 notes on the documentation ......................... 3 1.1 storage of the documents ...............................

  • Page 3

    3 operating instructions ecotec plus 937 1 notes on the documentation the following information is intended to help you throughout the entire documentation. Further documents apply in combination with this operating manual. We accept no liability for any damage caused by thefailure to observe these ...

  • Page 4

    Operating instructions ecotec plus 937 4 2 safety 2.1 setup and adjustment installation and adjustment of the boiler as well as service, maintenance and repair of the boiler may only be carried out by a competent person in accordance with the gas safety (installation and use) regulations 1998. (in t...

  • Page 5

    5 operating instructions ecotec plus 937 a caution! The appliance may only be operated with its casing properly and permanently closed. Otherwise, in unfavourable conditions, material damage or even injury or death can result. Filling pressure of the heating system regularly check the filling pressu...

  • Page 6

    Operating instructions ecotec plus 937 6 3.3 care • clean the exterior of your appliance with a damp cloth and a little soap. H note do not use scouring or cleaning agents, which might damage the housing or plastic fittings. 3.4 recycling and disposal both your valliant ecotec plus 937 boiler and it...

  • Page 7

    7 operating instructions ecotec plus 937 digital information and analysis system bar i f p 1 fig. 4.2 display ecotec the ecoctec plus units are fitted with a digital information and analysis system. This system provides information on the operating status of your appliance and helps you deal with pr...

  • Page 8

    Operating instructions ecotec plus 937 8 4.2 measures prior to commissioning 4.2.1 opening the isolating valves h note if the boiler is fitted with a bottom cover the isolating valves are under this cover. 90˚ 4 3 1 2 fig 4.3 opening the isolating valves • the stop cocks in the heating flow and retu...

  • Page 9

    9 operating instructions ecotec plus 937 4.3 start-up bar i f p 1 2 fig. 4.5 switching the appliance on • use the main switch (1) to switch the appliance on and off: i: "on“ 0: “off” when you switch the unit on the display (2) shows the current heating feed temperature. To adjust the appliance accor...

  • Page 10

    Operating instructions ecotec plus 937 10 d danger! Health danger from formation of legionella! If the unit is used to provide heat support in a solar-supported drinking water heating installation the hot water draw-off temperature must be set to at least 60 °c using the knob (1). 4.4.2 switching on...

  • Page 11

    11 operating instructions ecotec plus 937 if the storage tank charging function is switched off, the tank is not held at temperature. The unit only switches on in this case if the water is drawn off and only operates in the through-flow mode. H danger! Danger of scalding! The units are equipped with...

  • Page 12

    Operating instructions ecotec plus 937 12 the set value is shown in the display (2) during the setting process. After approx. 3 seconds the display returns to standard mode (the current heating flow temperature). Normally you can adjust the knob (1) continuously up to a flow temperature of 75 °c. Ho...

  • Page 13

    13 operating instructions ecotec plus 937 display meaning displays during heating operation s. 0 no heat required s. 1 pump running s. 2 heating pump supply s. 3 ignition sequence (heating operation) s. 4 burner ignited s. 6 fan and pump overrun s. 7 pump overrun s. 8 anti cycling mode (after heatin...

  • Page 14

    Operating instructions ecotec plus 937 14 4.8 de-commissioning bar i f p 1 fig. 4.16 switching off the appliance • turn the main switch (1) to the position "0“. A caution! The frost protection and monitoring systems are only active when the main switch of the appliance is in the "i" position and it ...

  • Page 15

    +2 0 c +2 0 c c +5 +5 c ba r b a r vr t /vr c if p.

  • Page 16

    00 2 0 0 3 15 7 3_00 gb 0 2 2 0 0 7.