Viessmann ECV Series User Manual

Contents
4
Page
Safety
Important Regulatory and Installation Requirements 7....
General Information
About these Installation Instructions 8.................................
Product Information 9................................................................
Excerpt from our Warranty Terms 9......................................
Mechanical Room 10....................................................................
Set-up
Standard Equipment 10.................................................................
Before Set-up 11............................................................................
Installation on Combustible Floor 11........................................
Combustion Air Supply 12..........................................................
Minimum Clearances 14..............................................................
Recommended minimum clearances for s ervice 14............
Recommended minimum clearances to combustibles 14...
Closet and alcove installation 15...............................................
Flushing of Existing Piping 16.....................................................
Removal of Exist ing Boiler 17....................................................
Boiler Piping in a Heating/Cooling Application 17.................
Connections
Venting Connection 18.................................................................
Installing Z-FLEX AL-29-4C s pecial stainless
steel venting system 18
...............................................................
Maximum vent length 19.............................................................
Installing Z-FLEX pipe and fittings 20.......................................
Vent terminal connection 21.......................................................
Riser box 22.....................................................................................
Installation Checklist 23...............................................................
Low Water Cut-Off 24..................................................................
Initial System Fill 25.....................................................................
Pressure Relief Valve 25...............................................................
Gas Piping 26..................................................................................
Testing - Gas Pipe 26....................................................................
Gas pres sure - Orifice Sizes 27..................................................
Manifold orifices - natural gas (1,000 Btu/cu. ft.) 27..........
Manifold orifices - propane (2,500 Btu/cu. ft.) 27................
Gas Burner Removal 28................................................................
Gas Input 29.....................................................................................
Main Burner 30................................................................................
Gas Burner Positioning 30............................................................
Electrical Connections 32.............................................................
Electronic Thermostat Connection 33......................................
5167 450 v1.4

Viessmann ECV Series Specifications

General

Brand	Viessmann
Model	ECV Series
Category	Boiler
Language	English