
2
Rinnai I-Series Condensing Boiler Combi Manual
1. Welcome ...................................................................................................................................................... 4
2. Safety ........................................................................................................................................................... 5
2.1 Safety Symbols ..................................................................................................................................................... 5
2.2 Safety Precautions ............................................................................................................................................... 5
3. About the Boiler ........................................................................................................................................... 7
3.1 Front View ............................................................................................................................................................ 7
3.2 Bottom View ........................................................................................................................................................ 8
3.3 Components ......................................................................................................................................................... 9
3.4 Specifications ..................................................................................................................................................... 10
3.5 Dimensions ......................................................................................................................................................... 11
3.6 Accessories ......................................................................................................................................................... 13
4. Installation ................................................................................................................................................. 14
4.1 Installation Guidelines ....................................................................................................................................... 14
4.2 What You’ll Need ............................................................................................................................................... 15
4.3 Items Included.................................................................................................................................................... 16
4.4 Choose an Installation Location ......................................................................................................................... 17
4.5 Mount the Boiler to the Wall ............................................................................................................................. 19
4.6 Fill the Condensate Collector ............................................................................................................................. 20
5. Venting ...................................................................................................................................................... 21
5.1 Guidelines .......................................................................................................................................................... 21
5.2 Venting Installation Sequence ........................................................................................................................... 22
5.3 Termination Considerations ............................................................................................................................... 22
5.4 PVC Venting Safety Switch ................................................................................................................................. 23
5.5 Venting Options ................................................................................................................................................. 25
6. Gas Supply ................................................................................................................................................. 46
6.1 Connect the Gas Supply ..................................................................................................................................... 46
6.2 Gas Operating Instructions ................................................................................................................................ 47
6.3 Gas Pipe Sizing Reference Tables ....................................................................................................................... 48
7. DHW System Piping .................................................................................................................................... 50
7.1 Guidelines .......................................................................................................................................................... 50
7.2 Instructions ........................................................................................................................................................ 50
7.3 Piping Diagram for a Basic DHW Installation ..................................................................................................... 51
8. CH System Piping ........................................................................................................................................ 52
8.1 Guidelines .......................................................................................................................................................... 52
8.2 Instructions ........................................................................................................................................................ 52
8.3 Common CH Components .................................................................................................................................. 53
8.4 Piping Diagram for a Basic CH System (Without Hydraulic Separation) ............................................................ 55
8.5 Piping Diagram for a Basic CH System (With Hydraulic Separation) ................................................................. 56
8.6 Hydraulic Separation .......................................................................................................................................... 57
8.7 Connect the Pressure Relief Valves (DHW and CH) ........................................................................................... 59
8.8 Connect the Condensate Drain Line .................................................................................................................. 60
8.9 Condensate Pump Safety Switch Wiring ............................................................................................................ 61
Summary of Contents for COMBI i060C
Page 124: ...124 Rinnai I Series Condensing Boiler Combi Manual ...
Page 125: ...Rinnai I Series Condensing Boiler Combi Manual 125 ...
Page 134: ...134 Rinnai I Series Condensing Boiler Combi Manual ...
Page 135: ...Rinnai I Series Condensing Boiler Combi Manual 135 ...
Page 136: ...136 Rinnai I Series Condensing Boiler Combi Manual 800000111 3 2019 ...