4 gas settings, 1 changing the burner injectors, 2 changing the ignition burner injector – DE DIETRICH ELITEC DTG 130 Eco.Nox User Manual
Page 25
25
01/02/11 - 300002915-001-E
DTG 130 Eco.NOx
5.4 Gas settings
DTG 130 Eco.NOx boilers are delivered preset for operation on
natural gases of H/E groups.
For operation on another group of gases, carry out the following
operations.
These actions must be carried out by a qualified
technician.
5.4.1
Changing the burner injectors
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.
Reassembly:
Correctly replace the seals.
First tighten the injectors by hand and carefully lock them using
a spanner.
Carry out a gas tightness check
5.4.2
Changing the ignition burner injector
Unscrew the connecting nut (14 spanner)
Pull the gas supply pipe towards yourself
Take out the ignition burner nozzle
Fit the new nozzle
Re-attach the supply tube (14 spanner)
Carry out a gas tightness check.
Models DTG
Nozzle
marking
Nozzle
diameter (mm)
Natural gas H/E
GZ50
133 to 137
204B
2.04
138 to 139
210B
2.10
Natural gas L/LL
GZ410
245B
2.45
Propane
140A
1.40
H - 13 mbar
225B
2.25
GZ350
310B
3.10
Nozzle marking
Nozzle diameter
(mm)
Natural gas H/E
GZ50
4
0.40
1
3
4
Natural gas L/LL
(France)
4
0.40
Natural gas L/LL
(
≠
France)
GZ410
5
0.50
Propane
3
0.30
H - 13 mbar
4
0.40
GZ350
6
0.60
Nozzle marking
Nozzle diameter
(mm)