User manual VAILLANT COMBI-HEATER VCW

[. . . ] ln the right column additionalinformation which may prove interesting and useful for servicing and handling. lntroduction of CombiHeater shouldbe undertaken accordance the relevant in with notethat the installation yourVaillant Codes Practice of Please (CORGI-member) Thisappliance installer only. by BritishGasor by an authorized Starting Check that electricalsupply is switched on. Check that the cold water shut-off valve@ and both the flow and return servicecocks @ and @ are open. [. . . ] After ignition keep the green button deoressedfor about 10 seconds. S H O U L DT H E P I L O TB E E X T I N G U I S H E D WAIT AT LEAST3 FOR ANY REASON, TO MINUTESBEFOREATTEMPTING RE. The appliance carriesa thermoelectric flame failure device which preventsthe e s c a p eo f u n b u r n e dg a s . S h o u l dt h e p i l o t flame go out when the knob @ is released RepeatproWAIT AT LEAST3 MINUTES. cedure and keep the green knob depressed f o r a l o n g e r p e r i o ds o a l l o w i n gt h e a i r t o escape from the pilot line. Set the flow thermostat @ as follows: S p r i n g n dA u t u m n a Moderate outdoortemperatu res Low outdoortemperatures 1-2 3-4 7- 8 The flow thermostat is infinitelyadjustable so that the appliancewill operateat any setting within the range. . "1 ! . J Switch on main switch Push main switch @ into position 1. Attention The main switch should only be operatedif * as described under "Check water contents" on page 3 - the applianceis correctly filled with water. Otherwisethe heating pump will be damaged. When the main switch lights up, the app. liance can be ooerated. The main switch should only be operatedif the applianceis correctly filled with water. Otherwisethe h e a t i n gp u m p w i l l b e d a m a g e d . At this stage your VaillantCombi Heater is ready to supply hot water. tr / \ Settingroom temperature t . { ther' or Setthe roomthermostat radiator required. mostats the temperature to I Please proceed with the setting as indicated in the separate setting instructions attached to the thermostats. Switch on healing b y m o v i n gh e a t i n gs w i t c h @ i n t o p o s i ' tion 1. t D u r i n gs u m m e rt i m e s w i t c h - o f f h e h e a ting switch @. y I n t h e " O F F " - p o s i t i o n o u r V a i l l a n tG o m b i Heater remains operativefor the hot watersupply. a? I Tapping hot water On opening hot water tap @ at a supply point (basin, shower, sink) the Combi heater at fully opened tap automatically supplies large quantitiesof hot water, at about half-openedtap, smaller quantities. By mixing in cold water you can adjust to On any required lower temperature. closing cuts the tap the applianceautomatically out or changes to heating. Should you - on opening the hot water tap - obtain an insufficientwater supply, please check if a possiblyinstalledwater cock @ ahead of the tap is fully opened. [. . . ] Do not use any abrasiveor dissolvingcleal n i n g m a t e r i a w h i c h c o u l d d a m a g et h e enamel or plastic fittings. It is recommendedthat the heaterreceives an annual serviceto ensure that it continues to work safelyand efficiently. Enquire at your installeror local gas region for details of a servicingscheme. Please make sure that even in your absence the heating system remainsin operation during periods of possiblefrost so that the rooms are sufficientlyheated. [. . . ]