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Safety
General Information
Set-up
Boiler Connections
4
Vitodens 222-F, B2TB 19, 35, 68, 125 Installation
Safety, Installation and Warranty Requirements..............2
Product documentation.............................................2
Warranty................................................................2
Licensed professional heating contractor....................2
Contaminated air....................................................2
Advice to owner......................................................2
Carbon monoxide.....................................................2
Fresh air................................................................2
Equipment venting...................................................2
About these Installation Instructions.............................3
Codes.......................................................................6
Instructing the system user......................................6
Initial start-up..........................................................6
Working on the equipment.......................................6
Technical literature..................................................6
Flow switch procedure ........................................... 7
Applicability..............................................................8
Product Information....................................................8
Mechanical Room.....................................................9
Before Set-up........................................................10
Minimum Clearances.................................................10
Recommended minimum service clearances..............10
Connections............................................................11
Boiler venting........................................................13
Connecting power..................................................13
Connecting heating system.....................................13
Proper piping practice.............................................13
Gas shut-off valve connection.................................14
Gas connection and piping......................................14
Gas piping pressure test.........................................15
Flue gas connection...............................................15
Removing the front panels......................................16
Accessing the control unit connections.....................17
External accessory connection box..........................20
Boiler control base.................................................21
Condensate connection........................................22
Vertical Piping Installation..........................................23
Side Piping Installation..............................................26
Installing boiler safety devices.................................28
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