Installation Instructions
 Installation and Service Manual Upsilon-Series 
8
Take note of the following when maintenance or adjustments are needed:
-  The boiler must be able to function during these activities; for this reason, the boiler’s 
supply voltage, gas pressure and water pressure must be maintained. Ensure that 
there is not a source of potential danger during these activities.
Followingmaintenanceor otheractivities;alwayschecktheconnections ofall
partsthroughwhichgasows(usingleak-searchspray).
The following (safety) symbols may be encountered in these installation instructions and 
on the boiler:
Thissymbolindicatesthattheboilermustbestoredawayfromfrost.
Thissymbolindicatesthatthepackagingand/orcontentscanbedamagedasa
resultofinsufcientcaretakenduringtransport.
Thissymbolindicatesthat,whilststillinitspackaging,theboilermustbeprotected
fromweatherconditionsduringtransportandstorage.
KEY-symbol.Thissymbolindicatesthatassemblyordismantling,mustbecarried
out.
ATTENTIONsymbol.Thissymbolindicatesthatextraattentionmustbepaidin
connectionwithaparticularoperation.
Usefultiporadvice.










