Viessmann Vitodens 200-W B2HA 112 Installation Instructions Manual page 7

Vitodens 200-W B2HA 112, 150 Installation
Boiler Connections
Control Connections
Additional Information
(continued) Safety Connections...................................................30
Installing boiler safety devices.................................30
Low water cut-off..................................................31
Waterside Flow........................................................31
Waterside flow (primary circuit)...............................31
Installation Examples.................................................33
General.................................................................33
Clearances............................................................33
System Layout 1-10.................................................34
Alternative DHW Connection....................................44
Boiler in Heating/Cooling............................................45
Boiler in heating/cooling application..........................45
Boiler with Low Water Cut-off..................................46
Boiler with low water cut-off (remote-mounted
field supplied)........................................................46
Venting Connection.................................................46
Overview of Electrical Connections,
Models B2HA 112, 150, 399 and 530.......................47
Electrical Connections..............................................49
Power supply connection of accessories...................49
Connection of accessories.......................................49
Accessing the X3 Plug..............................................50
Connecting the Low-loss Header Sensor......................50
Connecting the Outdoor Temperature Sensor..............51
External 0-10 Volt Signal Connection.........................52
Connecting a 24VAC Thermostat..............................53
Thermostat Connection.............................................54
Pump Connection.....................................................55
Connection to boiler ..............................................55
Connection at AM1 (accessory) ..............................55
LON Module..........................................................56
Installing the LON module to the boiler
control board.........................................................56
Connecting the LON module cable...........................56
Accessory Kit..........................................................57
Accessory kit connections for heating circuit
with mixing valve..................................................57
Closing the Control Unit ............................................55
Closing the External Accessories Connection
Box.........57Reinstalling the Front Enclosure
Panel..........................59
Instructing the system user.....................................59
Technical Data.........................................................60
Installation Fittings...................................................62
Lighting and Operating Instructions.............................63
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