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Operation
fied by the horn so that a sound pressure level of approx. 100dB(A) to 125dB(A) is reached depend-
ing on the pressure. The makrofon can optionally be fitted with a silencer.
FIGURE 6-7: Pneumatic time delay
The delay time can be set from 10 to 60 seconds (7 to 55.5 seconds in accordance with FM/UL
requirements). The delay time is set to 30 seconds at the factory. The adjusting spindle has been
secured with sealing wax.
After detecting a fire in an extinguishing zone and once a fire extinguishing signal has been given
by the electric control device/fire detection and suppression control panel, the pilot cylinder is
opened electrically without delay. A pressure reducer downstream of the pilot cylinder reduces
and regulates the control gas to a pressure of 152 psi (10.5 bar).
Operator's Manual | Oxeo PR LCP | F_101821 Rev 02 | 06-2022 | en
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