3 setting the injector pressure, 4 setting the start up pressure, Gas valve opening diagram – DE DIETRICH ELITEC DTG 130 Eco.Nox User Manual
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DTG 130 Eco.NOx
01/02/11 - 300002915-001-E
5.4.3
Setting the injector pressure
Turn the boiler on.
Z
.5.2 Check points before commissioning (page: 24)
5.3 Commissioning procedure (page: 24)
The pressure must be set by a qualified professional.
- Connect a manometer to the pressure socket located on the
manifold.
- Remove the protective cover
on the regulator by unscrewing it
using a screwdriver.
- Set the pressure on the injectors by moving the gas regulator on
the valve:
: Increase the pressure
: Reduce the pressure
5.4.4
Setting the start up pressure
E
Protective hood
F
Ionization probe connection
G
Ignition electrode connection
Start up pressure may be set if necessary using a flat screwdriver,
after the protection has been removed E.
Start up pressure is set in the factory on minimum. If it is necessary
to optimise heater start up, it may be set on another value between
0º and 270º.
Gas valve opening diagram
Downstream pressure (mbar)
Time (s)
Manifold pressure (mbar)
Natural gas H/E
GZ50
DTG 133 to 137
DTG 138 to 139
16
15
Natural gas L/LL
12.1
GZ410
12.5
Propane
29
H - 13 mbar
8.4 to 10.2
depending on the model
GZ350
6 to 7
depending on the model