Rheem IKONIC RTGH-SR84i - Table of Contents

IKONIC Tankless Water Heater Service Manual
2
CONTENTS
SAFETY AND INTRODUCTION .......................................................................................................4
TROUBLESHOOTING TOOLS .........................................................................................................5
MEASURING VOLTAGE AND RESISTANCE ..............................................................................5
GENERAL INFORMATION .............................................................................................................6
CROSSOVER VALVE ............................................................................................................................................ 6
FUEL CONVERSION ............................................................................................................................................. 6
SPECIFICATIONS .................................................................................................................................................. 7
FLOW RATE ........................................................................................................................................................... 8
PRESSURE DROP AND TEMPERATURE RISE CURVE ..................................................................................... 9
DIRECT-VENT GAS COMPONENTS .................................................................................................................... 10
DIRECT-VENT GAS COMPONENTS RECIRCULATION MODEL ........................................................................ 11
SPECIFICATIONS AND INSTALLATION GUIDELINES ......................................................................................... 12
GAS / CONDENSATION ........................................................................................................................................ 14
CONTROL BOARD CONNECTORS ...................................................................................................................... 15
DIAGNOSTIC POINTS ON CONTROL BOARD .................................................................................................... 16
USER INTERFACE AND OPTIONS .................................................................................................18
QUICK LOOK MODE / MENU OPTIONS............................................................................................................... 18
LCD ON USER INTERFACE / SETTING TO ENABLE AND DISABLE.................................................................. 19
STATUS MENU ...................................................................................................................................................... 20
TANKLESS STATUS / WIFI STATUS .................................................................................................................. 20
WIFI SETTING / WIFI SETUP ............................................................................................................................. 21
SETTINGS MENU .................................................................................................................................................. 22
SET POINT TEMPERATURE ............................................................................................................................. 23
TEMPERATURE DISPLAY / BEEP ON ALARM ................................................................................................. 24
TANKLESS CONFIGURATION ............................................................................................................................... 25
RECIRCULATION – TIMER MODE .................................................................................................................... 25
RECIRCULATION – ON DEMAND MODE ......................................................................................................... 26
RECIRCULATION – MANUAL RECIRCULATION PUMP OPERATION ............................................................. 27
RECIRCULATION – SCHEDULE MODE ............................................................................................................ 27
HIGH ALTITUDE ADJUSTMENT ........................................................................................................................ 28
WATER SAVING CONTROL ............................................................................................................................... 29
SETTING MANIFOLD HEATERS ....................................................................................................................... 29
NETWORK INSTANCE ....................................................................................................................................... 30
SERVICE MENU ..................................................................................................................................................... 31
BURNER STAGING ............................................................................................................................................ 32
VIEWING CURRENT ALARMS / CLEARING CURRENT ALARMS / ALARM HISTORY ................................... 33
CLEARING ALARM HISTORY / MANIFOLD ROTATE ....................................................................................... 33
RESET DEFAULT SETTINGS / SERVICE ALERTS ........................................................................................... 35
RESET WIFI SETTINGS..................................................................................................................................... 36
ERROR CODE DIAGNOSTICS ......................................................................................................37
NO ERROR CODE AND NO HOT WATER ........................................................................................................... 37
ERROR A011 .......................................................................................................................................................... 38
ERROR A012 ......................................................................................................................................................... 41
ERROR A014 ......................................................................................................................................................... 43
ERROR A018 ......................................................................................................................................................... 44