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Control Connections
Electrical Connections
Overview of electrical connections and plug-in connectors (continued)
36
(continued)
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 050/Dekamatik-HK1
control, the mixing valve extension kit
and the Solartrol control require a
separate 120 VAC power supply from
the wall receptacle.
Note on connection of accessories
For details regarding other installation steps required, please reference the
Installation Instructions supplied with the respective accessory part.
Only one accessory part or switch contact can be connected to the contacts of a
plug at a time.
2-wire cabling required for:
H outdoor temperature sensor
H Vitotronic 050/Dekamatik-HK1
H extension kit for heating circuit with
mixing valve
H remote switching of operating mode
H remote disable
H alarm output
H wall-mount base
3-wire cabling required for:
H remote control WS/RS
H circulating pump
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