Connecting The Boiler Tothe Lon System - Viessmann Vitocrossal 300 Series Service Instructions Manual

Vitocrossal 300 CU3A 26 to 199 Service
Adjusting the Heating Curves
Connecting the Boiler to the LON System
(continued)
Allocating heating circuits to the remote control
The heating circuit allocation must be configured when
commissioning the Vitotrol 200A or Vitotrol 300A.
Heating circuit
The remote control affects the heating
circuit without mixing valve A1
The remote control affects the heating
circuit with mixing valve M2
The remote control affects the heating
circuit with mixing valve M3
Note: One heating circuit can be allocated to the Vitotrol
200A. Up to three heating circuits can be allocated
to the Vitotrol 300A. If the heating circuit allocation
is later cancelled, reset coding address A0 for this
heating circuit to 0 (fault message BC, BD, BE).
Connecting the control unit to the LON
The LON communication module is pre-installed.
Note: The data transfer via LON can take several minutes.
Single boiler system with Vitotronic 200-H and
Vitocom 100 LAN 1 (example)
Set the LON participant numbers and further functions
via code 2 (see the following table).
Note: In the same LON system, the same number
cannot be allocated twice. Only one Vitotronic
may be programmed as fault manager.
Service
Configuration
Vitotrol Vitotrol
200A 300A
HC 1 HC 1
HC 2 HC 2
HC 3 HC 3
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