Viessmann VR1 22 - Page 35

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Vitorond 100, VR1 22 to 33, 91 to 140 Installation and Service
Burner Set-up
Electrical Connections (with Vitotronic Control)
(continued)
Riello burner
Legend
BL Blue
OG Orange
BK Black
W White
G Green/Ground
R Red
Y Yellow
V Violet
BR Brown
GY Gray
Carlin burner