Installation manual

RIVA PLUS COMBI MANUAL 3
Table of Contents
Section Title Section Number Page Number
Warnings - 5-6
Important Information - 7
General Information 1 8
Technical Information (M135.30CM) 2 8-9
Parts List 3 10
Internal Piping and Parts List 4 11
Electric Diagrams 5 12-13
Sequence of operation 5.1 13
Installation Location 6 14
Exhaust Pipe Location 7 15
Mounting Bracket 8 16
Venting 9 17-28
Requirements for Massachusetts - 18
Restrictor Sizing 9.1 19
Fitting the Flue System 9.2 19
Choice of Flue 9.3 20-28
Pipe Connections 10 29
Gas Pipe Connections 11 30
Electrical Connections/Wiring 12 31-33
Power Connection 12.1 31
Connection to the Electricity Supply 12.2 31
Room Thermostat Connection 12.3 32
Relay Panel Control Connection 12.4 32
Zone Valve Microswitch Connection 12.5 33
Finishing 12.6 33
Installing the external temperature probe 12.7 34
Electric connection between the boiler
and the outdoor reset temperature probe 12.8 34
Circulator Sizing 13 35
Circ. Cap. as a Function of Flow Rate 13.1 35
Expansion Vessel 13.2 35
Piping 14 36-39
Primary-Secondary Piping 14.1 37
Primary-Secondary with Zone Valves 14.2 38
Manifold Piping with Zone Valves or Circ. 14.3 39