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Vaillant VR 920 Betriebs Und Installationsanleitung Seite 97

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Installation of the separate version by the competent person 6
A
4.
Remove the boiler's front casing using work steps (A),
(B) and (C).
5.
Hinge the boiler's electronics box down.
B
6.
Open the electronics box at the points provided for this
(A).
7.
Hinge the electronics box's cover open (B).
0020266269_00 Operating and installation instructions
C
8.
9.
B
10. Close the electronics box's cover until you hear it click
11. Plug the eBUS cable's plug into the bush provided for it
A
B.off
RT
BUS
eBUS
Connect the eBUS line to the boiler's electronics.
Use the grommets to guide the eBUS line out of the
boiler.
into place.
on the communication unit.
Opt
TL Pump
95

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