6
EMERGENCY BREATHING SAFETY SYSTEM (EBSS) SPECIAL OR CRITICAL
USER’S INSTRUCTIONS:
• Activation or engagement of EBSS in either the donor or receiver mode changes
the SCBA use to Escape-Only, approved service time for either the donor, or the
receiver is no longer applicable.
• Entry approval only restored after re-charge, either host or donor.
• EBSS may not be engaged or activated in donor mode after the donor End-of-
Service-Time-Indicator (EOSTI) has activated.
• Immediately after the EBSS connection has been completed, the cylinder valve of
the receiving SCBA shall be closed.
• Users must be fully trained in the operation of EBSS in accordance with a training
program conforming to the requirements of NFPA Standards 1404, Fire Service
Respiratory Protection Training and 1500, Fire Department Occupational Safety
and Health Program.
• Simultaneous connection of more than two users, one donor and one receiver, is
not permitted.
• Not suitable for connection in CBRN environment.
END-OF-SERVICE-TIME-INDICATOR (EOSTI) 33% SET POINT
INFORMATION:
NFPA 1981, 2019 and NIOSH 42 CFR Part 84 require the set point for the EOSTIs
to be 35 % ±2 % of full cylinder pressure. The S9 EOSTI 33% (low air alarm whistle)
and the HUD EOSTI are set at 35 % ±2 %. The S9 remote analog pressure gauge
EOSTI indication is marked with a 1/3 fraction and is marked in red from 1/3 to
Empty.
To Next Page
Loading...