7Important Safety Information ....................................................................... 2Contents ........................................................................................................ 7General PartsMain Unit .................................................................................................... 8Remote Controller .................................................................................... 9Initial Operation ........................................................................................... 10How to UseMuting the Remote Controller ................................................................. 11Setting and Using the Water Heater ........................................................ 12Flow Meter Alarm ...................................................................................... 14Adjusting the Maximum Output Temperature ........................................ 16Preventing Damage from Freezing ............................................................ 17Regular Maintenance ................................................................................... 19Troubleshooting .......................................................................................... 21Follow-up Service ........................................................................................ 25Specifications .............................................................................................. 26Contents