H57752-v00 Manuale Istruzioni VTNC - Rhoss

SECTION I: USERI.6.1PREPARING FOR PERIODS OUT OF USEIMPORTANT !Failure to u se the unit during the winter period maycause the water contained in the system to freez e.During long periods out of us e, t he unit should be disconnected fromthe electricit y suppl y by opening the s yst em main s witch, prepared bythe i nstaller.Failure to use the unit during the wint er period may c aus e t he watercont ained in the s ystem t o fr eeze. Empt y the water circuit or,alternativel y, mi x the water with a suitabl e quantity of antifreeze.I.6.2 START-UP AFTER PERIODS OUT OF USEBefor e starti ng up:• Clean or replac e t he air filter.• Clean t he exchanger.• Clean or unbloc k t he condensation c ollection tray drain.• Bleed the air from the water sys tem.We rec ommend running the unit at maxi mum speed f or a f ew hours inorder to ensure that it is in good working order.35