Vaillant ecoTEC plus 937 Operating Manual

Also see for ecoTEC plus 937: Operating manual Instructions for installation and servicing Instructions and maintenance instructions

Contents

Vaillant ecoTEC plus 937 Operating Manual Manual pdf 12 page image

Operating instructions ecoTEC plus 937 / 0020031573_02124.8 De-commissioning1Fig. 4.16 Switching off the appliance• Turn the main switch (1) to the position "0“.a Caution!The frost protection and monitoring systemsare only active when the main switch of the ap-pliance is in the "I" position and it is not dis-connected from the mains power supply.In order not to switch off this safety device, you shouldswitch your heating unit on and off using the regulator.h Note!In the case of longer periods of de-commissio-ning (e.g. holidays) you should, in addition, turnoff the gas supply stop-cock and the cold waterstop-cock as well as switching off the powersupply.h Note!With ecoTEC central heating units equippedwith a hot water storage tank, you should onlyswitch it off if hot water is not required.4.9 Frost protectionThe frost protection function only protects the boiler. Allother parts of the system which are at danger from frostmust be protected accordingly.a Caution!The frost protection and monitoring systemsare only active when the main switch of the ap-pliance is in the "I" position and it is not dis-connected from the mains power supply.Frost protection functionThe gas wall-mounted boiler is equipped with a frostprotection function:If the heating feed temperature falls below 5 °C with themain switch on, the unit starts up and heats the unit he-ating circuit to approx. 30 °C.a Caution!Danger of freezing up of parts of the entire in-stallationThe frost protection system cannot guaranteeflow through the entire heating system.4.10 Maintenance and customer serviceInspection and maintenancePermanent operational readiness, reliability and a longservice life require inspections and maintenance work toregularly carried out by a heating engineer or Valliant.Further information can be obtained from Vaillant Ser-vice Solutions . (0870 6060 777).d Danger!Danger to persons and material damage can becaused by inappropriate handling!Never attempt to perform maintenance or re-pairs on the gas wall-mounted boiler yourself.Assign an approved qualified servicing companywith this work. We recommend making a main-tenance agreement.The operational reliability of the device can beimpaired, resulting in damage to property orpersonal injury, if maintenance work is not car-ried out.Regular servicing ensures maximum efficiency and eco-nomical operation of your gas wall boiler.4 Operation