Vaillant ecoTEC plus 937 Operating Manual
Compact gas wall-mounted boiler
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Also See for ecoTEC plus 937:
- Instructions for installation and servicing (68 pages) ,
- Operating manual (16 pages) ,
- Instructions and maintenance instructions (64 pages)
Table of Contents
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- 1 Overview of the Operating Elements
- 2 Checking System Pressure
- 3 Domestic Hot Water Operation
- 4 Start-Up
- 5 Switching On/Off the Warmstart Function
- 6 Switching Heating Mode off (Summer Mode)
- 7 Status Displays (for Maintenance and Servicing by the Engineer)
- 8 Faults Caused by Water Pressure too Low
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Table of Contents
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Summary of Contents for Vaillant ecoTEC plus 937
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Page 1: Ecotec Plus
For the owner Operating manual ecoTEC plus 937 Gas condensing storage combination boiler... -
Page 2: Table Of Contents
Contents Appliance characteristics Recommended accessories Contents Appliance characteristics The Vaillant ecoTEC plus 937 is a compact gas wall- Appliance characteristics .........2 mounted boiler with condensing technology and 15 litre laminar stainless steel storage tank. Recommended accessories ........2 The Vaillant ecoTEC plus 937 provides central heating and hot water, whereby the hot water is supplied direct Notes on the documentation ...... -
Page 3: Notes On The Documentation 1
Note! If you have any questions, after reading through these Vaillant Ltd. supports the Benchmark Initiative. instructions, considering the operation of the boiler, In the appendix to the installation manual you please contact your expert technician or the technical will find a Benchmark gas boiler commissioning department of Vaillant. -
Page 4: Safety
2 Safety Safety Modifications to the boiler and its environment Setup and adjustment No changes must be made to the following objects: Installation and adjustment of the boiler as well as – The boiler service, maintenance and repair of the boiler may only –... -
Page 5: Instructions On Operation 3
3.1.3 Immediate help circulating through the entire heating system. If a fault arises on your Vaillant boiler please contact your installer initially since the guarantee conditions If the boiler is not operated for several hours during stipulate that his expertise must be made use of. -
Page 6: Care
3 Instructions on operation 4 Operation Operation Care • Clean the exterior of your appliance with a damp cloth and a little soap. Overview of the operating elements Note Do not use scouring or cleaning agents, which might damage the housing or plastic fittings. Recycling and disposal Both your Valliant ecoTEC plus 937 boiler and its packaging consist mainly of recyclable raw materials. - Page 7 Operation 4 Digital information and analysis system Hot water preparation active permanently on: Operating mode heating flashes: Burner lockout time active Hot water preparation active (only on VCW) permanently on: Hot water being drawn-off flashing: Hot water storage tank is being heated, burner on Warmstart function active Permanently on: –...
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Page 8: Measures Prior To Commissioning
4 Operation Measures prior to commissioning 4.2.2 Checking system pressure 4.2.1 Opening the isolating valves Note If the boiler is fitted with a bottom cover the isolating valves are under this cover. Fig. 4.4 Checking the filling pressure of the heating system •... -
Page 9: Start-Up
Operation 4 Start-up Domestic hot water operation The boiler can only be used if the heating system has water in it (see Section 4.2.2). 4.4.1 Setting the hot water temperature Fig. 4.5 Switching the appliance on • Use the main switch (1) to switch the appliance on and off: "ON“... -
Page 10: Switching On/Off The Warmstart Function
4 Operation Danger! 4.4.3 Storage tank charging mode Health danger from formation of Legionella! The storage tank charging of the layer charging storage If the unit is used to provide heat support in a tank can be activated and de-activated using the solar-supported drinking water heating operating elements on your boiler. -
Page 11: Drawing Off The Hot Water
Operation 4 If the storage tank charging function is switched off, the 4.4.4 Drawing off the hot water 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. -
Page 12: Switching Heating Mode Off (Summer Mode)
Normally you can adjust the knob (1) continuously up to Note a flow temperature of 75 °C. Vaillant supplies thermostats and time However, if higher temperatures are required this can be controllers which provide exact and economic achieved by adjusting the boiler parameter d.71... -
Page 13: Troubleshooting
Note – All the external controller set to the "ON“ position Please have the fault code to hand when you (see Section 4.5.3)? contact Vaillant Service Solutions since this will help in troubleshooting. Caution! Inappropriate alterations can cause damage! If your boiler still does not operate properly... -
Page 14: De-Commissioning
Note! regularly carried out by a heating engineer or Valliant. In the case of longer periods of de- Further information can be obtained from Vaillant commissioning (e.g. holidays) you should, in Service Solutions . (0870 6060 777). addition, turn off the gas supply stop-cock and...