Viessmann VITODENS 222-F Installation And Service Instructions Manual page 134
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Also See for VITODENS 222-F:
- Installation and service instructions manual (172 pages) ,
- Installation and service instructions for contractors (156 pages) ,
- Technical manual (156 pages)
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Function description
External extensions (accessories)
Extension EA1
DE1
Digital input 1
DE2
Digital input 2
DE3
Digital input 3
0 - 10 V 0 - 10 V input
fÖ
Power supply [terminals]
fÖA
Power supply terminal for addi-
tional accessories
134
(cont.)
aBJ
Central fault message/feed
pump/DHW circulation pump
(zero volt)
aVG
KM BUS
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