Viessmann VD2-320 Installation Instructions Manual page 5

Vitorond 200, VD2 Series 320 to 1080 Installation
Connections
Enclosure
Burner
Water Side Connections ............................................20
Return temperature elevation .................................21
Venting Connection ..................................................22
In Canada ...........................................................22
In U.S.A. ............................................................22
Venting Requirements ...............................................22
Venting option #1 (Category I venting) ...................22
Chimney .............................................................22
Barometric draft regulator type ..............................23
Barometric draft regulator diameter ........................23
Venting option #1 (Category I venting) ...................22
Venting option #2 (Category III) .............................24
ProTech Systems Inc. ...........................................24
Selkirk Metalbestos ..............................................24
Security Chimneys ...............................................24
Flue Gas Connection .................................................24
Flue gas test point location ...................................24
Removal of Existing Boiler .........................................25
Safety Connections and Pressure Testing ....................26
Pressure relief valve .............................................26
Boiler Pressure Test ..................................................26
Low Water Cut-off (LWCO) .......................................26
Enclosure Installation ................................................27
Boiler model VD2 .................................................27
Boiler Control Installation ...........................................31
Enclosure Installation ................................................32
Burner Installation ....................................................33
Combustion chamber sight glass ............................33
Fuels ..................................................................33
Burner calibration .................................................34
Two-stage burner ................................................34
Model .................................................................34
Flue gas resistance ..............................................34
Fully modulating burner ........................................34
Weishaupt burners / Riello burners .........................34
Vitorond 200, VD2 with Viessmann / Vitotronic
controls ..............................................................34
Model .................................................................34
Input ..................................................................34
Min.1-stage .........................................................34
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