Initial start-up
~ Onlyqualified personnel may carry out
ili the commissioningand initial operation
of the boiler and instruct the user.
. Checkthe boilerfor leaks.Preventwaterleaks-
the boilermaybecometoo hot- andtheremay
bea riskof scalding.
. Checkthat allflue gasaccessorieshavebeen
properlyinstalled.
. Openthe shut-off valveson flow and return.
. Openthe gasshut-off valve.
. Switch on the system ON/OFFswitch on the
control unit.
. If the systemwaterpressurefalls below1.0bar,
top upwith wateruntilapressureof 1.0to max.2.5
barhasbeenachieved.
. An error codeflasheson the displayif the
boiler hasnot beenproperly commissioned.
Fordetails about error codes,seethe abridged
operating instructions.
.Position the operating instructions where they
areclearlyvisible.
. Instructthe userinthe operationofthe boilerand
handoverthe operating instructions.
Saving energy
. histruct the customer about energy-saving
options.
. Use this opportunity for reducing the heating
temperatureduringnight operationusingcontrol
accessories.
.Adjust the temperature so you are comfortable;
everydegreeof roomtemperature reductionwill
achieveenergysavingsof up to 5 0/0.
. Reduce the room temperature in unoccupied
rooms as far as possible; please observefrost
protection.
. Ensurethat all thermostatic radiator valves are
fully opened in roomswhere room thermostats
areinstalled.Theymustnotbeblockedbyfurniture
or curtains.
. Position the operating instructions where they
are clearlyvisible.
22
To ensure the reliable and economic
function of a heating system and to
avoiddangers to individualsand prevent
material losses, the system user should
be advised that an approved specialist
should clean and check the heating
system annually.
ON/OFFswitch \ Gettingstarted
Controlunit display Systempressure
Fig.: Controlunit overview
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