RU130EP Installation and Operation Manual

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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 Specications ........................................................................................................................ 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 .......................................................................................................... 50

4.7 Install the Isolation Valves .................................................................................................... 51

4.8 Install Pressure Relief Valve ................................................................................................. 52

4.9 Connect Condensate Drain .................................................................................................. 54

4.10 Connect the Gas Supply ....................................................................................................... 57

4.11 Connect the Power Supply ................................................................................................... 60

4.12 Congure Parameter Settings ............................................................................................. 61

4.13 External Pump with Circ-Logic ............................................................................................. 63

4.14 Post-Water Heater Installation Checklist ............................................................................. 64

5. Operation ....................................................................................................................................... 66

5.1 Safety Precautions ................................................................................................................ 66

5.2 Operating Instructions ........................................................................................................... 68

5.3 Control Panel ........................................................................................................................69

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Installation and Operation Manual - Page 3