Technical data

Control Connections
40
Electrical Connections
Overview of electrical connections and plug-in connectors
Power supply connection of accessories
The power supply connection of accessories can be made directly at the control.
The connection is activated and deactivated with the system on/off switch.
The Vitotronic 200-H, HK1M mixing valve control, the mixing valve accessory kit
and the Solartrol control require a separate 120 VAC power supply from the wall
receptacle.
Cabling required for:
H outdoor temperature sensor
H Vitotronic 200-H, HK1M mixing valve
control
H accessory kit for heating circuit with
mixing valve
H remote switching of operating mode
H remote disable
H alarm output
H wall-mount base
H circulating pump
Note on connection of accessories
For details regarding other installation steps required, please reference the
Installation Instructions supplied with the respective accessory part.
Please note that only one accessory part or switch contact can be connected to
the contacts of a plug at a time.
Connecting the Power/Pump module
Installation Instructions
Power/Pump Module
The Vitodens 200-W WB2B boiler is
shipped with a Power/Pump Module,
which requires a 120 VAC power
supply from a wall receptacle. The
module contains a 120/230 VAC
step-up transformer for 230 VAC
operation.
Refer to the Installation Instructions
shipped with the module or those
contained in this manual for wiring
details (see page 52).
5369 297 v1.6