multi EA 5100
Function and design
27
1
2
3
4
5
Figure 13Gas connections on the gas box
1
"main" – oxygen supply to the com-
bustion tube (hose 3)
2
"inlet" – argon supply to the combus-
tion tube (hose 4)
3
"seal" – argon connection for the seal
of the auto-protection valve assem-
bly (hose 11)
4
"dryer" – dry gas flow (oxygen) for
the membrane dryer (hose 12)
5
"bypass" – argon connection for the
safety purging (safety bypass) of the
chlorine branch (hose 8)
Connections on the combustion
tube
1
2
3
Figure 14Connections on the combustion tube
1
Flame sensor connection (only if ABD is connected in horizontal mode)
2
Ar hose 4 connection (in horizontal operation mode, no argon is supplied
here, argon is supplied via ABD)
3
O
2
hose 3 connection
