
CONTENTS
1. USER’S INSTRUCTIONS................................................................................................................................. 7
1.1 FEATURES AND BENEFITS ...................................................................................................................... 8
1.2 IMPORTANT SAFETY INFORMATION ....................................................................................................... 9
1.3 MAIN COMPONENTS .............................................................................................................................. 11
1.4 OPERATION ............................................................................................................................................. 13
1.4.1 INITIAL SETTINGS ........................................................................................................................ 14
1.4.2 HEATING FUNCTION (CH) ........................................................................................................... 15
1.4.3 DOMESTIC HOT WATER FUNCTION (DHW) ............................................................................. 16
1.4.4 HOT WATER RAPID HEATING AND PRE-HEATING FUNCTION ............................................. 17
1.4.5 WIFI FUNCTIONS .......................................................................................................................... 17
1.4.6 AUTO MODE (AUTO) ..................................................................................................................... 18
1.4.6 ENERGY-SAVING MODE (SAVE) ................................................................................................. 18
1.4.7 RESERVATION MODE (RESERVATION) .................................................................................... 19
1.4.8 PARAMETERS MENU ................................................................................................................... 20
1.4.9 ENERGY MONITOR ...................................................................................................................... 22
1.4.10 ANTIFROST PROTECTION ........................................................................................................ 22
1.4.11 EMERGENCY BUTTON ............................................................................................................... 23
1.4.12 BODY CONTROLLER (INTEGRATED CONTROL PANEL) ...................................................... 23
1.5 TROUBLESHOOTING .............................................................................................................................. 24
1.5.1 ERROR CODES ............................................................................................................................. 24
1.6 MAINTENANCE ........................................................................................................................................ 27
2. INSTALLER’S INSTRUCTIONS ..................................................................................................................... 29
2.1 INSTALLATION WARNINGS ..................................................................................................................... 30
2.1.1 LOCATION ...................................................................................................................................... 30
2.2 UNPACKING THE BOILER ....................................................................................................................... 31
2.3 DIMENSIONS ........................................................................................................................................... 31
2.4 MAIN COMPONENTS .............................................................................................................................. 32
2.5 GENERAL SCHEME AND OPERATION PRINCIPLES ............................................................................ 33
2.6 INSTALLATION ......................................................................................................................................... 34
2.6.1 HYDRAULIC COUPLINGS ............................................................................................................ 34
2.6.2 GAS CONNECTION ....................................................................................................................... 35
2.6.3 FLUE SYSTEM CONNECTION .................................................................................................... 35
2.6.4 ELETTRICAL CONNECTION ........................................................................................................ 39
2.6.5 RINNAI WIFI CHRONOTHERMOSTAT ........................................................................................ 39
2.6.6 CHRONOTHERMOSTAT OF A DIFFERENT BRAND ................................................................. 40
2.6.7 FILLING THE SYSTEM .................................................................................................................. 40
2.7 CIRCULATION PUMP ............................................................................................................................... 41
2.8 COMMISSIONING THE BOILER .............................................................................................................. 42
2.9 ANTIFROST PROTECTION ...................................................................................................................... 43
3. MAINTENANCE INSTRUCTIONS.................................................................................................................. 45
3.1 PARAMETERS MENU .............................................................................................................................. 46
3.2 PCB ........................................................................................................................................................... 48
3.3 GAS CONVERSION AND PRESSURE ADJUSTMENT ........................................................................... 50
3.4 WIRING DIAGRAM AND DIAGNOSTIC POINTS ..................................................................................... 52
3.5 TECHNICAL DATA .................................................................................................................................... 54
3.6 COMBUSTION PARAMETERS ................................................................................................................ 57
3.7 PRODUCT FICHE ..................................................................................................................................... 58
3.8 DATA PLATE ............................................................................................................................................. 58
3.9 MAIN COMPONENTS DISASSEMBLY .................................................................................................... 59
3.10 ‘MY RINNAI’ APPLICATION .................................................................................................................... 63