NR83 Owners Manual

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 ImportantSafetyInformation....................................................................... 2
Contents......................................................................................................... 7
General Parts
Main Unit.................................................................................................... 8
Operation Panel......................................................................................... 9
Initial Operation............................................................................................ 10
How to Use
Muting the Operation Panel..................................................................... 11
Setting and Using the Water Heater........................................................ 12
Flow Meter Alarm...................................................................................... 14
 AdjustingtheMaximumOutputTemperature........................................ 16
 PreventingDamagefromFreezing............................................................. 17
Regular Maintenance................................................................................... 19
 Troubleshooting........................................................................................... 21
 Follow-upService........................................................................................ 26
 Specications............................................................................................... 28
Contents