Adapting To Another Gas; Changing The Burner Injectors - DeDietrich DTG 320 Eco.NOx Series Manual

DTG 320 Eco.NOx / DTG 330 Eco.NOx
GD 66-74 + 86-94 + 207

Adapting to another gas

Boilers DTG 320-... Eco.NOx
Boilers DTG 330-... Eco.NOx
Natural gas L/LL
Natural gas H/E
Propane
These actions must be carried out by a qualified
technician.

1 Changing the burner injectors

8 9
GD66 GD67
GD86 GD87
GD207 GD207
94858180
10 11 12
GD68 GD69 GD70
GD88 GD89 GD90
GD207 GD207 GD207
The 300-mbar versions cannot be converted to propane.
Cut the electricity and gas supply to the boiler.
+ Lift out the injector with a number 12 spanner assemble the
new injectors with their new joint.
Natural gas H/E
Natural gas L/LL
Propane
Assembly:
Correctly replace the seals.
First tighten the injectors by hand and carefully lock them using
a spanner.
Carry out a gas tightness check.
Pressure socket
14 16 18
GD71 GD72 GD73
GD91 GD92 GD93
GD207 GD207 GD207
Nozzle Injector marking
Ø 3.6 mm
Ø 4.35 mm
Ø 2.20 mm
English
01/10/07
20
GD74
GD94
GD207
360 B
435 B
220 B