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USER’S INFORMATION MANUAL
TANKLESS WATER HEATER 199
CONTENTS
UNIT’S CONTROLLER .........................................6
INSTALLER INTERFACE ........................................6
Turning Appliance ON/OFF ..............................................6
Programming Mode....................................................7
TANKLESS DOMESTIC HOT WATER MODES .......................8
Tankless Domestic Hot Water - Standard and ECO Comfort Modes ..............8
SEQUENCE OF OPERATION .....................................9
LIGHTING & SHUTTING DOWN THE UNIT ........................11
MAINTENANCE..............................................12
General Care .......................................................12
RegularRegular Maintenance .................................................12
Annual Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Relief Valve - Maintenance and Testing ...................................13
Domestic Hot Water System ............................................13
SERVICE RECORD ...........................................14
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