Table Of Contents - Viessmann B1KA Installation And Service Instructions Manual

Vitodens 100-W, B1HA/B1KA 26 to 125 Combi Installation/Service
Safety
General Information
Dimensions
Connections
Control Connections
Safety, Installation and Warranty Requirements ..............2
Important Regulatory and Installation Requirements ....... 5
About these Installation Instructions .............................7
Applicability ..............................................................8
Product Information ....................................................8
Mechanical Room ......................................................9
Minimum Clearances .................................................10
Boiler Dimensions .....................................................11
Boiler Mounting ........................................................13
Boiler Connections ...................................................17
Vent connections ..................................................17
Proper piping practice ............................................18
Gas connection and piping ......................................18
Gas piping pressure test ........................................... 19
Heating water connections .....................................20
Condensate connection ..........................................21
Fill siphon with water ............................................21
Safety Connections ..................................................22
Installing safety devices on the boiler .......................22
Low water cut-off .................................................22
Hot water temperature and system pressure .............23
Installation Examples ................................................24
General ................................................................24
Clearances ...........................................................24
Heating circuit pumps ............................................24
Waterside flow .....................................................25
Built-in pump ........................................................26
B1HA with one heating circuit ...................................27
B1HA with one heating circuit, DHW tank and LLH ......28
B1HA with one heating circuit and DHW tank ..............29
B1KA with one heating circuit ....................................30
B1KA with one heating circuit and LLH .......................31
B1KA with one heating circuit without LLH .................32
Boiler in heating/cooling application .........................33
Boiler with low water cut-off (remote mounted,
field supplied) ....................................................... 34
Venting ...................................................................34
Neutralization Unit ....................................................35
Accessing Electrical Connections ................................36
Accessing Electrical Connections ................................36
Removing the front cover ..................................... 36
Rotating the control unit and opening the
power/pump module ............................................ 36
Power supply 120VAC, 60 Hz, 1PH ........................37
Location of terminal block and temperature sensor..
connections ..........................................................37
Connecting Viessmann DHW tank temperature
sensor on B1HA only .............................................38
Connecting a field supplied tank temperature controller
on B1HA only (e.g. Honeywell Aquastat or others) ....39
Room thermostat ..................................................40
Connecting the outdoor temperature sensor ..............41
Connecting an OpenTherm (OT) device ....................41
Closing the control unit .........................................42
Reinstalling the front panel .....................................42

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