GB-7
D
GB
F
NL
I
E
Replacing the thermocouple
ZTA
5,5 mm
2
1
3
Insert new
thermo-
couple.
Follow the reverse procedure when reassembling.
ZT 40
8,5 mm
2
4
1
3
5
Insert new
thermo-
couple.
ZTI 55
5,5 mm
2
4
1
3
5
Neues
Thermo-
element ein-
setzen.
Insert new
thermo-
couple.
Installer
un nouveau
thermo-
couple.
5,5 mm
2
4
1
3
5
Insert new
thermo-
couple.
ZT 40, ZTI 55
5
Follow the reverse procedure when reassembling.
▷
▷
Replace the seal between burner housing and
protective tube.
Replacing the ignition electrode
ZTA
2
1
3
4
2 mm
Insert new
ignition
electrode.
Gap between
ignition
electrode and
edge = 2 mm.
ZT 40
1
4
3
5
2
6
7
Insert new
ignition
electrode.
Align the
ignition elec-
trode towards
the centre of
the gas nozzle.
▷
▷
Distance between burner ground and ignition
electrode = 2 ± 0.5 mm.
