Riva Plus Manual
4
Warnings - 6-7
Important Information - 8
General Information 1 9
Technical Information (M135.30CR) 2 9-10
Parts List 3 11
Internal Piping and Parts List 4 12
Electric Diagrams 5 13
Sequence of Operation 5.1 14
Installation Location 6 15
Exhaust Pipe Location 7 16
Mounting Bracket 8 17
Venting 9 18
Venting Requirments for 9 19
the State of Massachusetts
Restrictor Sizing 9.1 20
Fitting the Flue System 9.2 20
Choice of Flue 9.3 21-26
Pipe Connections 10 27
Gas Pipe Connections 11 28
Electrical Connections/Wiring 12
Power Connection 12.1 29
Connection to the Electricity Supply 12.2 29
Room Thermostat Connection 12.3 30
Relay Panel Control Connection 12.4 30
Zone Valve Microswitch Connection 12.5 31
Circulator Sizing 13
Circ. Cap. as a Function of Flow Rate 13.1 32
Expansion Vessel 13.2 32
Piping 14 33
Primary-Secondary Piping 14.1 34
Primary-Secondary with Zone Valves 14.2 35
Manifold Piping with Zone Valves or Circ. 14.3 36
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