3 setting the injector pressure, 4 setting the start up pressure, Gas valve opening diagram – DE DIETRICH ELITEC DTG 130 Eco.Nox User Manual

Page 26

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26

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





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