Viessmann VITOTROL 200A - Installing and Connecting

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5583 141 v1.0
Vitotrol 200A, Installation, Operating and Service
Installing and Connecting
Note: Electronic modules can be damaged by electrostatic
discharges.
Before beginning work, touch a grounded object, such as
heating or water pipes, to discharge static loads.
Connection
Two-wire communication cable 21 AWG, with a
maximum cable length up to 150 ft. (50 m).
Note: Never route the cable to the remote control
immediately next to 120V or other high voltage
cables.
Installation
Legend
A Vitotrol 200A
B 2 or 3-pole plug aVG
(control unit or KM BUS distributor)
Legend
A Vitotrol 200A
B EA1 module
C External accessory connection box
Legend
A Vitotrol 200A
B Boiler Control
B
C