HP Performance Optimized Data Center (POD) 20cp Benutzerhandbuch
Life safety systems 23
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Trouble status LED
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Input status LED
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Output status LED
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Acknowledge button
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Alarm Silence button
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System Reset button
The fire system and panel are tested by the local certified fire system supplier and witnessed and certified by
the local Authorities or fire marshal.
The fire system operator panel requires regular maintenance and service. For more information on the fire
system operator panel component, see the Operation and Maintenance Manual for the HP Performance
The fire system operator panel requires regular maintenance and service. For more information on the fire
system operator panel component, see the Operation and Maintenance Manual for the HP Performance
Optimized Datacenter 20c.
Fire suppression sequence of operations
There are two initiation sequences for the fire suppression system, automatic (VESDA) initiation and manual
initiation. The fire strobe light is activated by either initiation sequence.
Personnel can determine the status of the system by the differences of the alarm horn. The following table
describes the fire suppression system status.
Personnel can determine the status of the system by the differences of the alarm horn. The following table
describes the fire suppression system status.
Fire suppression
system stages
system stages
Beats per minute
Description
Personnel actions
Warning
20
An alarm condition exists
Personnel may investigate
Pre-discharge
120
Countdown to fire suppression
agent has started
Personnel should evacuate
Post-discharge
Steady
Fire suppression agent is released Personnel should not enter,
contact local Authorities
The fire system operator panel indicates which initiation sequence has begun with indicator lights and a
panel alarm. These signals are also available to the site BMS system, if connected.
After the fire suppression system is activated by a VESDA signal or a manual fire button, a 60-second
panel alarm. These signals are also available to the site BMS system, if connected.
After the fire suppression system is activated by a VESDA signal or a manual fire button, a 60-second
countdown begins before the fire suppression agent is released to the HP POD 20c interior through the fire
suppression system piping.
VESDA initiation
The VESDA fire suppression system signal has two levels that the system cycles through when smoke is
VESDA initiation
The VESDA fire suppression system signal has two levels that the system cycles through when smoke is
detected.
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Level 1—Indicates that the potential for a fire is present. The strobes are illuminated and the horns are
in the Warning stage. A fire has not yet been detected and personnel may investigate to determine if
in the Warning stage. A fire has not yet been detected and personnel may investigate to determine if
there is a potential for a fire or if a false indication has occurred.
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Level 2—Indicates that fire does exist. VESDA Level 1 has already have been reached, the strobes
illuminate, and the horn progresses to the Pre-discharge stage. A 60-second countdown to fire
illuminate, and the horn progresses to the Pre-discharge stage. A 60-second countdown to fire
suppression agent release begins and personnel should evacuate immediately.
Press the fire suppression abort button to interrupt the fire suppression release countdown. Pressing the abort
button resets the countdown to 10 seconds, regardless of the amount of time elapsed from the original
60-second countdown. The abort button can be pressed multiple times to reset the fire suppression release