Installation Manual

2 Rinnai M-Series Condensing Boiler Combi Manual
1. Welcome ........................................................................................................................... 4
2. Safety ................................................................................................................................ 5
2.1 Safety Symbols ........................................................................................................................... 5
2.2 Safety Precauons ...................................................................................................................... 5
3. About the Boiler ................................................................................................................ 7
3.1 Front View .................................................................................................................................. 7
3.2 Boom View ............................................................................................................................... 8
3.3 Components ............................................................................................................................... 9
3.4 Specicaons ............................................................................................................................ 10
3.5 Dimensions ............................................................................................................................... 11
3.6 Accessories ............................................................................................................................... 13
3.7 How to Remove the Front Panel .............................................................................................. 14
4. Installaon ...................................................................................................................... 15
4.1 Installaon Guidelines .............................................................................................................. 15
4.2 What You’ll Need ...................................................................................................................... 16
4.3 Items Included .......................................................................................................................... 17
4.4 Choose an Installaon Locaon ............................................................................................... 18
4.5 Mount the Boiler to the Wall ................................................................................................... 20
5. Venng ........................................................................................................................... 21
5.1 Guidelines ................................................................................................................................. 21
5.2 Venng Installaon Sequence .................................................................................................. 22
5.3 Terminaon Consideraons ..................................................................................................... 22
5.4 Venng Opons ........................................................................................................................ 23
6. Gas Supply ...................................................................................................................... 43
6.1 Connect the Gas Supply............................................................................................................ 43
6.2 Gas Operang Instrucons ....................................................................................................... 45
6.3 Gas Pipe Sizing Reference Tables ............................................................................................. 46
7. DHW System Piping ......................................................................................................... 48
7.1 Guidelines ................................................................................................................................. 48
7.2 Instrucons ............................................................................................................................... 48
7.3 Piping Diagram for a Basic DHW Installaon............................................................................ 49
8. CH System Piping ............................................................................................................. 50
8.1 Guidelines ................................................................................................................................. 50
8.2 Instrucons ............................................................................................................................... 50
8.3 Common CH Components ........................................................................................................ 51
8.4 Piping Diagram for a Basic CH System (With Hydraulic Separaon) ........................................ 53
8.5 Hydraulic Separaon ................................................................................................................ 54
8.6 Connect the Pressure Relief Valves (DHW and CH).................................................................. 55