Commissioning; Taking Out Of Operation - Honeywell HON HSV086 Operation & Maintenance Manual

4.5

Commissioning

 Before commissioning the HON HSV is de-pressurised. The valve is closed.
 The threshold values should be correctly set and checked.
 Slowly open the inlet valve of the installation.
 When the full inlet pressure has built up before the still closed safety shut-off
device, the bypass valve may be opened. This enables equilibration of the
pressure above and below the valve.
 The pressure has now also built up before the gas pressure regulator, so that it
can be taken into operation.
 When the gas pressure regulator produces an outlet pressure higher than the set
minimum threshold value of the HON HSV, the control and switch mechanism can
be locked and the safety shut-off device can be opened using the lifting
component.
Close the bypass valve if it doesn't close automatically.
We would advise to use a self-closing bypass valve, so that you can't fail to close
the valve (an automatic bypass valve is supplied standard).
 When the required outlet pressure has been reached, the outlet valve can slowly
be opened
 The installation is now operational.
When commissioning the installation, the bypass valve of the
HON HSV bypass must be closed.
Remark
Before first commissioning an installation, the threshold values of the HON HSVs
should be checked.
4.6

Taking out of operation

 Slowly close the inlet valve of the regulating line.
 Then slowly close the outlet valve. When gas still has to be transported, the stand-
by line or a second installation takes over regulating.
 Unpressurise the line at the outlet side using the manual blow-off.
 Close the HON HSV when the minimum threshold value has been reached.
 In order to unpressurise the chamber before the HON HSV also, the bypass valve
of the bypass has to be opened. The gas now flows via the bypass to the outlet of
the regulating line and can be blown off there.
 After the line has been completely unpressurised, you can (if required) carry out
maintenance work.
Consult chapter 4.1 when you wish to take the installation back in operation.
© 2017 Honeywell International Inc
Operation and maintenance manual HON HSV086 19