Viessmann VITOTRONIC 200 Installation And Service Instructions Manual page 10

Installation Sequence
Preparing Boilers for Cascade Mode - Vitodens 200-W
Legend
A Plug aVG to the Vitotronic 300-K
B 2-wire communication cable 18 AWG
D Terminal strip on the KMK communication module
in the Vitotronic 200
10
Vitotronic 200, HO1B and 300-K, MW2C Installation/Service
Installation of the communication module/LON
communication module
The communication module is part of the standard
delivery.
1. Installing the cascade communication module/LON
communication module to the Vitotronic 200.
Note: The cascade communication module/LON
communication module must be fitted into every
Vitotronic 200.
Legend
A Vitotronic 300-K
B 2-wire communication cable 18 AWG
(when equipped with a cascade communication
module) or LON cable (when equipped with LON
communication module.
C Boiler with Vitotronic 200
Legend
A LON connection to Vitotronic 300-K
B LON communication cable
C Terminal connection on the LON communication
module
D LON communication module
(continued)