Viessmann Vitoclima 300-S Service Instructions For Contractors page 41

Internal devices
(cont.)
M Interface RS485
N On-site time switch (option)
Colour coding to DIN IEC 60757
BK Black
BN Brown
BU Blue
GNYE Green/Yellow
GY Grey
Duct mounted device, type D305H
A Ioniser (option)
B Fuse, T3, 15 A, slow
C On-site condensate pump (option)
Connection and wiring diagrams
First floor Orange
RD Red
VT Violet
WH White
D On-site time switch (option)
E Condensate overflow switch
F Room temperature sensor
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