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Vitodens 200-W B2HB 19 to 35, 68 to 125 Installation
Electrical Connections
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, HK1B mixing valve control, the
mixing valve accessory kit and the Solartrol control
require a separate 120VAC power supply from the wall
receptacle.
Note: The programming unit can also be used in a wall
mounting base (accessory) near the boiler
Cabling required for:
H outdoor temperature sensor
H Vitotronic 200-H, HK1B 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
IMPORTANT
It is essential to route cables as illustrated to ensure
freedom of movement of control unit.
IMPORTANT
When running and securing connecting cables on site,
ensure that the maximum permissible temperatures of the
cables are not exceeded.
IMPORTANT
Cables in the vicinity of the control unit must not be
secured to the control unit bracket.
Connection of accessories
For details regarding other installation steps
required, please reference the Installation
Instructions supplied with the respective
accessory part.
Note: Only one accessory part or one
switch contact can be connected
to the contacts of a plug at a time.
Control Connections
47
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