G 03909 - Edition 02 - Januar
y 09
1/2
C 70
Use of the inlet isolation valve
(accessory)
Inlet valve option
setting
The operation describes the various factors involved in operating of
the inlet valve.
The selection of the
Inlet valve option
can be performed by the
RS 232 / 485 or the HHR.
To change the parameter of the
Inlet valve option
with the HHR,
perform the following operations:
Connect the HHR plug to the HHR connector on the front or rear
panel.
Set the
Inlet valve option
parameter in the DEFINITION menu
C 42
as follows:
Inlet valve option setting
Valve controlled by
Disabled
The valve is always open.
Enabled
the pump in local mode.
the HHR in local mode.
the customer’s equipment in remote
control mode (J14).
the RS232/485 serial link.
For the valve operating mode as described below, contact
J14-S1
must be closed and
J14-S7
opened
B 70
.
If the HHR
STOP
button is pressed or if the pump is stopped due
to an alarm, the valve is closed and the pump stops as soon as the
valve end stop sensor is triggered or after 3 seconds.
If the HHR
START
button is pressed, the valve opens 3 seconds
after the pump starts.
It is impossible to open or close the inlet valve by pressing
AUX
button.
For the valve operating mode as described below, contact
J14-S1
and
J14-S7
must be closed
B 70
.
Pressing the
AUX
button on the HHR opens or closes the valve,
whatever the pump is stopped or running (press the
ENTER
button
on the HHR to confirm the operation).
Note : Even in local or remote control mode:
When the pump stops normally or due to an alarm, the valve is
closed and the pump stops as soon as the valve end stop sensor is
triggered or after 3 seconds.
When the pump is started, the valve opens 3 seconds after the
pump starts.
Controlled by the pump
(local mode) without use of
AUX button on HHR
Controlled by the HHR
(local mode)
using AUX button on HHR
adixen Vacuum Products - A3H Series Operating instructions
