Atest Gaz Control V, Руководство пользователя

Страница: 12 / 20

www.atestgaz.pl
specific gas detectors). After activation of the alarm procedure the control unit should indicate exceeding of
the alarm level in a specific monitoring channel, the warning visual and sound warning devices must be
activated and the valve controller must close the gas valve.
7.4 Configuration of the controller /system
The controller configuration is carried out by setting of appropriate switches in the SW1 dip-switch unit
– see Figure 8.
Figure 8: Example of the controller configuration (address = 55, opening of DI contacts leads to valve
shutoff)
7.4.1
Address setting
The controller address ca ne set by means of switches 1...3. It is possible to set the address from 51 to 58.
7.4.2 Configuration of the DI port
Operation mode for the DI port can be selected by means of the switch 4.
Setting the switch to the ON position means that open contacts of the DI port lead to closing of a shutoff
valve connected to the controller. On the contrary, moving the switch to the OFF position makes the
controller to close the shutoff valve connected to the valve port when the contacts of the DI port are
shorted (see Figure 6).
7.5 Maintenance schedule
It is recommended to carry out scheduled maintenance of the controller after each three months of its
operation.
The scheduled maintenance includes:
visual inspection of the system and its individual components from the outside,
test of the valve operability.
7.5.1 Valve test
The controller enables manual test of the valve operation.
The reminder to initiate the valve test is activated after each three months from the last check of the valve
by regular blinking of the TEST indicator.
The test is carried out manually by the system operator from the level of the valve controller. Prior to run
the tests make sure that temporary shut off of gas supply is allowed at the moment according to operation
procedures affective for the specific gas supply system. To run the test proceed according to the following
sequence:
s. 12|15
User Manual: POD-067-ENG R01
SW1
ADDR. = 51
+1 +2 + 4
DI INV.