Viessmann Vitodens 200-W B2HA 80 Installation Instructions Manual page 5

Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation
Boiler Connections
Control Connections
Additional Information
(continued)
Safety Connections...................................................29
Installing boiler safety devices.................................29
Low water cut-off..................................................30
Waterside Flow........................................................30
Waterside flow (primary circuit)...............................30
Installation Examples.................................................32
General.................................................................32
Clearances............................................................32
System Layout 1-10.................................................33
Alternative DHW Connection....................................43
Boiler in Heating/Cooling............................................44
Boiler in heating/cooling application..........................44
Boiler with Low Water Cut-off..................................45
Boiler with low water cut-off (remote-mounted
field supplied)........................................................45
Venting Connection.................................................45
Electrical Connections..............................................46
Power supply connection of accessories...................46
Connection of accessories.......................................46
Overview of Electrical Connections,
Models B2HA 80 to 100, 285 to 352.........................47
Accessing the X3 Plug..............................................49
Connecting the Low-loss Header Sensor......................49
Connecting the Outdoor Temperature Sensor..............50
External 0-10 Volt Signal Connection.........................51
Connecting a 24VAC Thermostat............................52
Thermostat Connection.......................................53
Pump Connection..............................................54
LON Module..........................................................55
Installing the LON module to the boiler
control board.......................................................55
Connecting the LON module cable...........................55
Accessory Kit..........................................................56
Accessory kit connections for heating circuit
with mixing valve.................................................56
Closing the Control Unit............................................56
Closing the control cover ......................................56
Closing the External Accessory Connection Box............57
Reinstalling the Front Enclosure Panel.........................58
Instructing the system user....................................58
Installation Fittings...................................................59
Technical Data.........................................................60
Lighting and Operating Instructions.............................62
Table of Contents
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