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GB-4
D
GB
F
NL
I
E
1
2
3
4
Connect the pilot gas supply line with Rp ¼ and
the air supply line with Rp ½.
▷
For connecting pilot gas and air supply lines
with NPT thread, order the adapter set – see
page 7 (Accessories).
Wiring
DANGER
Electric shocks can be fatal!
Before working
on possible live components, ensure the unit is
disconnected from the power supply.
▷
For the ionization and ignition cables, use
unscreened high-voltage cable:
FZLSi 1/7 -50 to +180°C (-58 to +356°F),
Order No. 04250410, or
FZLK 1/7 -5 to +80°C (23 to 176°F),
Order No. 04250409.
▷
Wire the burner as shown in the connection
diagrams of the automatic burner control unit/
ignition transformer.
ZAI
I
Z
1
2
3
I
= Flame rod
Z
= Spark
electrode
Screw for
PE wire
4
Connect the PE wire for burner ground to the
fastening lug on the burner insert.
ZKIH
I
Z
2
3
1
4
5
Tighten the PG cable gland.
6
Tighten ionization and ignition cables with a
torque of 5 Nm (slotted head screw), locking the
electrode on the hexagon to prevent it twisting.
7
Replace seal and cover and screw into place.
8
Connect the PE wire for burner ground to the
burner.
Leak test
DANGER
Risk of explosion and poisoning!
To ensure that
there is no danger resulting from a leak, check the
gas connections on the burner for leaks immediately
after the burner has been put into operation.
ZAI
2
1
I
= Flame rod
Z
= Spark electrode
= Screw for PE wire