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FIGURE 7-3: Entering the delay time
1. Delay time marking
7. Disguise the delay time entered on the enclosure and enter the new delay time using a
permanent marker.
Establishing the functional condition
8. Disconnect the "test device for pneumatic actuation" from the time delay unit.
9. Remove the test pressure gauge.
10. Connect the pilot line to the pressurized connection [1] on the time delay unit.
7.4 Checking the functioning of the makrofon MX-1
Protective equipment:
•
Hearing protection
- Makrofons are tested in the course of extinguishing zone activation. When the selector
valves are activated, the makrofon is clearly audible in the extinguishing zone.
7.5 Establishing operational readiness
1. Check that no alarms are active on the electrical control device and, if necessary, on the
superordinate fire detection and suppression control panel.
2. Check if the testing supply is disconnected from the pneumatic control circuit.
3. Ventilate the pilot line.
4. Check if the selector valves are closed.
5. Check if the extinguishing agent containers are operational:
•
The release devices are pneumatically connected.
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Inst. and Maint. Manual | Oxeo PR LCP | F_101921 Rev 02 | 10-2022 | en
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