
40 … 72
MC • Edition 05.20 • Nº 279 663
41 … 72
Fault in the
regulator
Possible causes
Troubleshooting
There is no gas
The regulator is not receiving gas.
Check the gas installation prior to the
regulator.
The SAV is closed.
Unlock the SAV.
The regulator supplies the
wrong outlet pressure.
The regulator contains a spring with the wrong set point.
Replace the set point spring.
The desired output pressure is outside the possible output pressure
range.
Replace the regulator model.
Inlet pressure is too low.
Check the gas system or resize the regulator.
Without flow, the outlet
pressure corresponds to
the inlet pressure
The pulse line is not connected.*
Install the pulse line.
The pulse line is closed.*
Check the pulse line
The pulse line has leaks.*
Seal the pulse line.
The seal is damaged.
Replace the seal.
The seat of the seal is damaged.
Replace the seat of the seal.
The working diaphragm is damaged.
Replace the working membrane.
The lever system is damaged.
Replace the lever system.
The O-rings juntas on the regulator are damaged.
Replace the O-rings of the regulator.
The O-rings of the SAV are damaged.
Replace the O-rings of the SAV.
The outlet pressure cor
-
responds to the inlet pres-
sure during operation
The pulse line is not connected.*
Install the pulse line.
The pulse line is closed.*
Check the pulse line
The pulse line has leaks.*
Seal the pulse line.
The working diaphragm is damaged.
Replace the working membrane.
The lever system is damaged.
Replace the lever system.
As the flow rate increases,
the outlet pressure drops.
The desired flow rate exceeds the capacity of the regulator.
Re-size the regulator and replace it.
Incorrect dimensioning of the gas pipe.
Increase the nominal diameter of the line.
The gas filter before the regulator is dirty.
Clean the gas filter, replace the filter screen.
The lever system is damaged.
Replace the lever system.
The pulse line is closed.
Check the pulse line
The SAV is damaged.
Check the SAV.
In the vent connection
there is a gas leak.
The working diaphragm is damaged.
Replace the working membrane.
The O-rings on the compensation shaft are damaged.
Replace the lever system.
* in the case of regulator with external line
Содержание 279042
Страница 14: ...14 72 MC Edition 05 20 Nº 279 663 A B C D E A B C D E F Type UHD F Type HD ...
Страница 15: ...MC Edition 05 20 Nº 279 663 15 72 A B C D F E A B C D E F ND MD for G2 DN40 DN50 ND for G1 G1 5 y DN25 ...
Страница 43: ...MC Edition 05 20 Nº 279 663 43 72 Type UHD X Y Q S W V M C A B D E G F J K L N P H O R U I ...
Страница 45: ...MC Edition 05 20 Nº 279 663 45 72 Type ND MD for 2 DN40 DN50 M B D E G F J K L N H X Y Q S W V O I T ...
Страница 64: ...64 72 MC Edition 05 20 Nº 279 663 14 4 Tools required A B C2 D C1 ...