Honeywell HON 5020, User And Maintenance Manual

Page: 38 / 114

Transport and installation
HON 5020 gas pressure regulator with HON 630 pilot 38
The test setup is as follows (schematic diagram, using the two-stage HON 630 pilot with a
diaphragm assembly as a reference):
The numbers have the following meaning:
No. Meaning
1 Inlet chamber
2 Outlet chamber
3
Inlet stop valve armature
4
Gas pressure regulator
5
Outlet stop valve armature
Proceed as follows:
Step Description
1 Slowly close the outlet stop valve armature.
2 Apply the test medium to all detachable pipe joints.
3 Observe the test medium on all detachable pipe joints for several minutes.
If … then …
no foam or bubbles are formed

the system is leak-proof.

the system may be put into operation.
foam or bubbles are formed

the affected pipe joint is leaking.

the system may not be put into operation.

Proceed with step 4.
Step Description
4 Slowly close the inlet stop valve armature.
5 Depressurize the inlet chamber and the outlet chamber.
6 Seal the leaking pipe joints.
7 Repeat the leak test starting with step 1.
Test configuration
Checking the system for
leaks