MT4061E Rev.2
15/10/2019
Pagina 41 di 45
- Put in Test/Maintenance and take out of Test/Maintenance the selected
relay
SET / UNSET
Pressing 3-Relay in the Maintenance or the Engineer level it is possible to Set or Unset
parts of the system.
An user with the MAINTENANCE level cannot UNSET more than 50% of the system’s
channels and relays.
The only exception is the ENGINEER level, which may UNSET the whole system if
necessary. It is required to do so for maintenance operations in the installation where
the gas detection system is installed.
TEST / EXIT TEST
Will put to TEST mode or take out of the TEST (EXIT TEST) mode the selected relay. It
is possible to put in TEST mode just parts of the system at user
level “Maintenance” or
“Engineer”. If more than half of the system selected, a warning screen will pop-up.
Until the number of relays to put in Test/Maintenance mode does not exceed the
defined limits, the selected items will change the status into TEST.
The relay remains in TEST until the Channel Maintenance Time set for the control panel
by the Configuration software (10-60 minutes) is expired.
Fig. 3.8.3 b) Outp
ut details screen in “Engineer“ level
The relays in TEST status can be activated and deactivated by the options 2-ACTIVATE
and 4-DEACTIVATE.
The EXIT TEST option takes out of the Test/Maintenance mode the selected relay.
From the Relay list (Fig. 3.8.3), using the up/down arrow keys one may scroll through
the list choosing one of the relay and press ENTER to get into a submenu.
