Krom Schroder ZAI Operating Instructions Manual page 9

Burner L2
ZMI 16B 25 mm
ZMI 16D 21 mm
ZMI 16G 25 mm
ZKIH
6 Undo the housing cover screws, remove seal
and housing cover.
7 Unscrew the ionization and ignition cables.
WARNING
High-voltage risk! Live components in the housing
connection chamber.
8 Unscrew the PE wire for burner ground from the
burner.
9 Remove the burner – see page 4 (Installation).
▷ Removal and reassembly of the electrodes is fa- ▷
cilitated, when the housing is placed in a vertical
position on a smooth working surface.
10
11
2
1
L2
L1
Burner L2
ZMI 25B 35 mm
ZMI 25D 20 mm
ZMI 25G 35 mm
Loosen the
screws ½ a
turn.
Replace the
2
electrodes
one after the
1
other.
12
12
2
2
1
1
13
13
2
2
1
1
14
14
15
15
16
16
17
17
ZAI, ZMI, ZKIH
• Reconnect the electrode adapters.
• Produce a maintenance report.
GB-9
Align the ignition electrode 1
and the ionization electrode 2.
Adjust the spacing of the
electrode tips.
Slide the rear guide lug as far
as it will go in the direction
of the burner housing. Hand
tighten the screw.
Align the insulators.
Slide the front guide lugs as far
as they will go in the direc-
tion of the burner head. Hand
tighten the screw.
For longer burners, slide the
other guide lugs against the
retaining plate. Hand tighten
the screw.