Connection And Wiring Diagram - Viessmann vitotronic 200-h Installation And Service Instructions Manual

Vitotronic 200-H, HK1B Installation and Service

Connection and Wiring Diagram

Legend
A1 PCB, extension for heating circuits 2 and 3 with
mixing valve (only for type HK3B)
A2 PCB low voltage
A3 PCB 120 V~
A6 Programming unit
A7 Optolink PCB
Overview
A8 PCB
A10 LON communication module (accessory)
A11 Power supply unit PCB
A12 ON/OFF switch
X Electrical interfaces
Designs
71