Adjusting The Loading Pressure - Honeywell HON 512 User And Maintenance Manual

6.1

Adjusting the loading pressure

Default loading
pressure setting
Adjusting the loading
pressure
HON 512 with HON 650 pilot user manual
The manufacturer will have already preset the loading pressure based on the customer's
specifications. By default, the loading pressure will be set to 5 - 10 bar over outlet pressure
p . For the current loading pressure, please check the load limiting stage pressure gauge
d
reading.
Proceed as follows:
Figure
Adjusting the settings of the device
Step Description
1 Unscrew the lock nut (1) on the set screw
(2) located on the underside of the pilot's
load limiting stage.
2 Turn the set screw until the load limiting
stage pressure gauge shows the setpoint
you want:
▪ Counterclockwise (-) to loosen the pilot
spring
or
▪ Clockwise (+) to tighten the pilot spring
3 Tighten the lock nut (1) to secure the set
screw (2) setting.
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