Rheem IKONIC RTGH-SR84i - Table of Contents

IKONIC Tankless Water Heater Service Manual
2
TECHNICAL SUPPORT LINE
Phone: 800-432-8373
Fax: 334-260-1341
ORDER CENTER
1-800-621-5622
RHEEM WATER HEATERS
800 Instestate Park Dr.
Montgomery, AL 36109
Website: www.Rheem.com
e-mail: Techserv@Rheem.com
CONTENTS
SAFETY AND INTRODUCTION .......................................................................................................4
TROUBLESHOOTING TOOLS .........................................................................................................5
MEASURING VOLTAGE AND RESISTANCE ..............................................................................5
GENERAL INFORMATION .............................................................................................................6
CROSSOVER VALVE ............................................................................................................................................ 6
FUEL CONVERSION ............................................................................................................................................. 6
PRESSURE DROP AND TEMPERATURE RISE CURVE ..................................................................................... 7
GAS / CONDENSATION ........................................................................................................................................ 8
SPECIFICATIONS .................................................................................................................................................. 9
SPECIFICATION AND INSTALLATION GUIDELINES ........................................................................................... 10
DIRECT-VENT GAS COMPONENTS .................................................................................................................... 11
DIRECT-VENT GAS COMPONENTS RECIRCULATION MODEL ........................................................................ 12
CONTROL BOARD CONNECTORS ...................................................................................................................... 15
DIAGNOSTIC POINTS ON CONTROL BOARD .................................................................................................... 16
LCD ON THE USER INTERFACE / SETTING TO ENABLE AND DISABLE ......................................................... 18
SETTING OPERATION MODE .............................................................................................................................. 19
STATUS MENU ITEMS DESCRIPTION / TANKLESS STATUS ............................................................................. 20
QUICK LOOK MODE ............................................................................................................................................. 21
WIFI STATUS / WIFI SETTING .............................................................................................................................. 22
SETTING MENU ITEMS DESCRIPTION ............................................................................................................... 23
SETTING TEMPERATURE DISPLAY / SETTING BEEP ON ALARM ................................................................... 25
NETWORK INSTANCE / TANKLESS CONFIGURATION / TIMER MODE ............................................................ 26
RECIRCULATION OPERATION TIMER MODE ..................................................................................................... 27
RECIRCULATION OPERATION ON DEMAND / SCHEDULE MODE ................................................................... 28
MANUAL OPERATING OF RECIRC. PUMP (FOR DEMAND) .............................................................................. 29
RECIRCULATION OPERATION MANUALLY OPERATE PUMP ........................................................................... 30
SETTING MANIFOLD HEATERS ........................................................................................................................... 31
SERVICE MENU ITEMS DESCRIPTION ............................................................................................................... 32
VIEWING ACTIVE ALARMS................................................................................................................................... 33
CLEARING THE CURRENT ALARMS ................................................................................................................... 34