Rinnai Tankless Water Heater Installation and Operation Manual
3
Contents
1. Welcome ..........................................................................................................................................5
2. Safety ...............................................................................................................................................6
2.1 Safety Symbols
....................................................................................................................... 7
2.2 Safety Precautions
.................................................................................................................. 7
3. About the Water Heater ..................................................................................................................9
3.1 Front View
...............................................................................................................................9
3.2 Bottom View
..........................................................................................................................10
3.3 Components
......................................................................................................................... 11
3.4 Specifications
........................................................................................................................ 12
3.5 Dimensions
...........................................................................................................................13
3.6 Accessories ..........................................................................................................................15
4. Install the Water Heater
................................................................................................................17
4.1 Installation Guidelines .......................................................................................................... 17
4.2 What You Will Need .............................................................................................................. 18
4.3 Choose an Installation Location ............................................................................................ 19
4.4 Mount the Water Heater to the Wall ...................................................................................... 24
4.5 Vent the Water Heater .......................................................................................................... 26
4.6 Connect Water Supply
.......................................................................................................... 54
4.7 Install the Isolation Valves
.................................................................................................... 55
4.8 Install Pressure Relief Valve
................................................................................................. 56
4.9 Connect Condensate Drain .................................................................................................. 58
4.10 Connect the Gas Supply
....................................................................................................... 61
4.11 Connect the Power Supply
................................................................................................... 64
4.12 Configure Parameter Settings
............................................................................................. 65
4.13 External Pump with Circ-Logic
............................................................................................. 67
4.14 Post-Water Heater Installation Checklist ............................................................................. 68
5. Operation
.......................................................................................................................................70
5.1 Safety Precautions
................................................................................................................70
5.2 Operating Instructions ...........................................................................................................72
5.3 Control Panel ........................................................................................................................73
