Fronius OPT/i WF Installationsanleitung Seite 40

The gas sensor (8) must always be connected to the gas solenoid valve / motor plate
using gas hoses (4) and (13) as described below
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-
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6
7
40
IN
Gas sensor connection socket IN -> Gas solenoid valve (5)
Gas sensor connection socket OUT -> Motor plate
For more information, see "Installation overview" at the start of the section "Installing
the OPT/i gas controller: all variants of the WF15/25/30i R robot wirefeeders, all vari-
ants of the SB 500i R SplitBox"
(15)
Connect the existing gas hose (4) to connection socket (7)
Connect the gas hose supplied (13) to connection sockets (14) and (15)
(4) (7) (14)
OUT
(13)