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Offline Graham HO  
#1 Posted : 05 July 2016 23:44:46(UTC)
Graham HO

New Zealand   
Joined: 03/07/2008(UTC)
Posts: 125
I am presently restoring a Viessmann 4021 "Hobby" Block Signal. Can one of you well read folks direct me to a website or other information that would show the operating Printed Circuit Board schematic diagram and coloured wire connections. The Viessmann website and other dealer websites indicate 2 x Blue, 2 x Red, 2 X Lilac, 1 X Yellow and 1 X Brown - The Takamisawa Latching Relay is fully functional so with some help I may get this baby back into working order. Many thank's in advance.
Offline Goofy  
#2 Posted : 09 July 2016 09:58:51(UTC)
Goofy


Joined: 12/08/2006(UTC)
Posts: 8,993
I suggest you to follow Viessmanns printed schematic by connecting the wires correct!
H0
DCC = Digital Command Control
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