Honeywell HON 5020 User And Maintenance Manual page 42

Position of the set screw
Adjusting the pressure
setpoint for the
HON 640a pilot
Adjusting the pressure
setpoint for the
HON 642a pilot
HON 5020 gas pressure regulator with HON 640a / HON 642a pilot
The set screw can be found here:
Figure
Proceed as follows:
Figure
Proceed as follows:
Figure
Adjusting the settings of the device
Description
Set screw underneath the pilot
Step Description
1 Unscrew the lock nut of the set screw.
2 Turn the set screw in counterclockwise
direction (-) to release the tension from the
pilot spring.
3 Open the inlet shut-off valve to pressurize
the pilot with the operating pressure.
4
Turn the set screw in clockwise direction
(+) until the pressure regulator displays the
target value.
5 Slowly open the outlet valve.
6 Correct the setting of the set screw as
necessary.
7 Secure the setting of the set screw by
tightening the lock nut.
Step Description
1 Unscrew the lock nut of the set screw.
2
Turn the set screw in counterclockwise
direction (-) to release the tension from the
pilot spring.
3 Open the inlet shut-off valve to pressurize
the pilot with the operating pressure.
4 Slowly open the outlet valve.
5 Turn the set screw in clockwise direction
(+) until the pressure regulator displays the
target value.
6 Correct the setting of the set screw as
necessary.
7 Secure the setting of the set screw by
tightening the lock nut.
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