York ARC 045 Installation Manual

Contents

York ARC 045 Installation Manual Manual pdf 42 page image

1.18.3 Gas heating (ARG/ARD Mod‐els)Gas valve filterD A N G E RClose the unit's gas supply valve before accessing thevalve filter.Gas filter -B- of the valve is found under a cover -A-,on the side of the valve.Check the condition of the gas filter in both valves.Clean and replace it if necessary.To install a filter, position it correctly -D- and put thecover in place pressing the four fastening screws -C- uniformly in order to assure it is air tight.BurnersCheck how the flame in the burners looks.If it does not look right, the burners may need cleaning. To do so, remove the burner group as specifiedinInstructions for burner and injector inspection , see on page 38 .Gas injectorsVisually check that the injector calibrated holes are not partially obstructed. Clean them if necessary asdescribed inInstructions for burner and injector inspection , see on page 38 .Combustion air intakeCheck that the combustion air intake is free of obstruction from dirt, snow, branches, dry leaves, residueor other objects.Discharge of combustion gasesCheck that the combustion gasses discharge is free of obstruction from dirt, snow, branches, dry leaves,residue or other objects.Check that that there is no accumulation of soot on the panels around the exhaust tubes. If there is sootaccumulated, it could be that combustion is incomplete. If that is the case, make the checks indicatedinPost start up checks , see on page 30 .Instructions for burner and injector in‐spectionD A N G E RClose the gas supply valve and shut off the electricalpower to the unit before inspecting the burners andinjectors.1 Installation manual1.18 Regular maintenance tasks performed by specialised personnel38