CONTENTS
1. USER’S INSTRUCTIONS .................................................................................................................................
7
1.1 FEATURES AND BENEFITS ...................................................................................................................... 8
1.2 IMPORTANT SAFETY INFORMATION
....................................................................................................... 9
1.2.1 OPERATIONAL SAFETY INFORMATION
.................................................................................... 10
1.3 WATER TEMPERATURE CONTROL ....................................................................................................... 12
1.3.1 MAXIMUM DELIVERY TEMPERATURES
................................................................................... 12
1.3.2 OPERATION WITHOUT WATER CONTROLLERS
..................................................................... 12
1.3.3 RINNAI WATER CONTROLLERS ................................................................................................. 12
1.3.4 WATER CONTROLLER COMBINATIONS & CONFIGURATIONS
............................................. 13
1.3.5 UNIVERSAL WATER CONTROLLER (MC-601) OPERATION
.................................................. 14
1.4 TROUBLE SHOOTING
............................................................................................................................. 16
1.4.1 ERROR CODES ............................................................................................................................. 16
1.4.2 TROUBLESHOOTING WITHOUT WATER CONTROLLERS
..................................................... 17
1.4.3 SERVICE ......................................................................................................................................... 17
2. INSTALLER’S INSTRUCTIONS .....................................................................................................................
19
2.1 INSTALLATION WARNINGS
..................................................................................................................... 20
2.1.1 APPLIANCE LOCATION ............................................................................................................... 20
2.2 UNPACKING THE WATER HEATER
........................................................................................................ 21
2.3 DIMENSIONS ........................................................................................................................................... 21
2.4 MAIN COMPONENTS .............................................................................................................................. 22
2.5 GENERAL SCHEME AND OPERATION PRINCIPLES
............................................................................ 23
2.5.1 OPERATION PRINCIPLES ........................................................................................................... 23
2.6 INSTALLATION ......................................................................................................................................... 24
2.6.1 CLEARANCE .................................................................................................................................. 24
2.6.2 WATER CONNECTION ................................................................................................................. 24
2.6.3 GAS CONNECTION
....................................................................................................................... 24
2.6.4 ELECTRICAL CONNECTION ....................................................................................................... 25
2.6.5 CONTROL BOARD DIPSWITCH SETTING
................................................................................. 25
2.7 WATER CONTROL ................................................................................................................................... 26
2.7.1 GENERAL INFORMATION
............................................................................................................ 26
2.7.2 UNIVERSAL WATER CONTROLLER (MC-601) INSTALLATION
............................................... 28
2.8 COMMISSIONING
................................................................................................................................... 29
3. MAINTENANCE INSTRUCTIONS ..................................................................................................................
31
3.1 PCB INTERFACE LAYOUT AND FUNCTIONS
........................................................................................ 32
3.2 GAS CONVERSION AND PRESSURE ADJUSTMENT
........................................................................... 33
3.3 DATA TRANSFER BETWEEN PCB’S
....................................................................................................... 34
3.4 WATER FLOW CHART
............................................................................................................................ 34
3.5 FLOW CHART
........................................................................................................................................... 35
3.6 WIRING DIAGRAM AND DIAGNOSTIC POINTS
..................................................................................... 36
3.7 MAINTENANCE ........................................................................................................................................ 37
3.7.1 FLUSHING THE HEAT EXCHANGER
.......................................................................................... 37
3.7.2 MANUAL DRAINING OF THE WATER HEATER
......................................................................... 39
3.8 TECHNICAL DATA
................................................................................................................................... 40
3.9 PRODUCT FICHE
.................................................................................................................................... 41
3.10 CE CERTIFICATE ................................................................................................................................... 42
Summary of Contents for Infinity 20 External
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