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OPERATION AND MAINTENANCE INSTRUCTIONS
SEMS™
SCOTT ELECTRONIC MANAGEMENT SYSTEM
PDA–PERSONAL DISTRESS ALARM AND
PDR–PERSONAL DISTRESS RECEIVER
USER ACCOUNTABILITY SYSTEM AND PERSONAL DISTRESS ALARM
FOR THE SCOTT AIR-PAK® 2.2 / 3.0 / 4.5 / FIFTY
SELF-CONTAINED BREATHING APPARATUS
WARNING
THE SCOTT SEMS USER ACCOUNTABILITY SYSTEM IS INTENDED FOR USE WITH SCOTT
SELF-CONTAINED BREATHING APPARATUS (SCBA) WHICH MAY SUPPORT HUMAN LIFE
IN HAZARDOUS ATMOSPHERES. FAILURE TO CAREFULLY READ AND UNDERSTAND
T
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WARNING READ AND UNDERSTAND THIS COMPLETE INSTRUCTION MANUAL BEFORE USING A RESPIRATOR EQUIPPED WITH A SEMS ACCOUNTABILITY SYSTEM. FAILURE TO USE THE SEMS ACCOUNTABILITY SYSTEM IN ACCORDANCE WITH THESE INSTRUCTIONS MAY LEAD TO CIRCUMSTANCES WHICH COULD RESULT IN SERIOUS INJURY OR DEATH. BASE STATION SENSOR MODULE PORTABLE UNIT FIGURE 1 DESCRIPTION The SCOTT Electronic Management System (SEMS) provides a method of communication between respirator users in a hazardous area and a designated person
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The SEMS PDA distress alarm warns the user when the air supply cylinder has reached 50% of its full capacity and also functions as an electronic end of service time indicator for the respirator by sounding an alarm when the air supply cylinder has been depleted to 25% of its full capacity. The Control Console digital display shows the approxi- mate cylinder pressure. Details of the end of service time indicator WARNING operation are also discussed in the Operation and Maintenance in- NO PERSONAL
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DETECTING AND AVOIDING RADIO FREQUENCY INTERFERENCE: WARNING When any electronic device is adversely affected by radio waves, Radio KEEP THE ANTENNAS OF HAND-HELD Frequency Interference (RFI) is said to have occurred. All electronic RADIOS AT LEAST SIX (6) INCHES AWAY FROM THE CONTROL CONSOLE AND THE devices like the SEMS PDA distress alarm may be subject to the ef- SENSOR MODULE OF THE SEMS PDA fects of RFI. Radio transmissions from the antennas of radios includ- DISTRESS ALARM WHEN TRANSMITTIN
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If the SEMS PDA distress alarm is affected by RFI when the respirator air supply is turned off or the cylinder is empty, the distress alarm could be turned off during use. If this occurs, depress the RED Manual Alarm Button and hold at least two seconds to activate the alarm. IF THE SYMPTOMS OF RFI OCCUR, THE RESPIRATOR USER MUST CHECK THE SEMS PDA DISTRESS ALARM TO VERIFY THAT IT IS FUNCTIONING PROPERLY. IF THE GREEN LIGHT ON THE CONTROL CONSOLE DOES NOT RESUME FLASHING IN THE NORMAL MANNER AFT
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FCC NOTICE This equipment has been tested and found to comply with the re- WARNING quirements of United States Federal Communications Commission, RADIO FREQUENCY INTERFERENCE (RFI) Code of Federal Regulations, FCC title 47, part 90 Section 20, limita- MAY CAUSE A MALFUNCTION OF THE SEMS tion (27) and requirement Part 90.238 over frequency range 453.0375 PDA DISTRESS ALARM. USERS OF RESPI- RATORS EQUIPPED WITH THE SEMS PDA to 465.6375 MHz, as well as FCC Section 1.1310 for Occupational/ DISTRESS
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BASIC FUNCTIONS OF THE SEMS EQUIPMENT The SEMS equipment has two primary functions: · Personal Alert Safety System (PASS) Distress Alarm · Evacuation Signal 1. The PASS Distress Alarm is joined to the SEMS PDA distress alarm operation. The Portable Unit will send a signal to the Base Station when the SEMS PDA distress alarm goes into full alarm. Activation of the full alarm can be either by manual activation of the user or by automatic activation from lack of user movement for the time period se
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MANUAL OPERATION OF THE SEMS PDA DISTRESS ALARM With proper batteries installed and a charged air cylinder, the SEMS PDA distress alarm (PASS) is automatically activated when the respi- rator is pressurized by opening the cylinder valve of the respirator. If batteries are completely discharged or have not been installed, there will be no light or sound indicating that the unit will not work at all. Activation is indicated by 3 quick audible chirps from the Sensor Mod- ule. On activation, a gree
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Once activated, the SCOTT SEMS PDA distress alarm will remain activated until: 1. The respirator air cylinder is turned off with the residual air pres- sure purged from the regulator AND 2. The reset button on the control module has been pressed twice. In the automatic mode the SCOTT SEMS PDA distress alarm con- stantly monitors motion of the respirator backframe. The motion sen- sor is located in the Sensor Module along with the audible alarm. If the Sensor Module does not sense motion of th
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MANUAL ALARM: If the respirator user is in a situation where immediate assistance is required, the SEMS PDA distress alarm provides a manual alarm but- ton, located on the front of the Control Console on the user’s right shoulder, shown in FIGURE 2. The manual alarm causes the Full Alarm signal to be given. The manual alarm may be activated at any time by pressing the manual alarm button and holding at least two seconds, even when the respira- tor is not pressurized, provided a good battery is
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OTHER OPERATIONAL FEATURES END OF SERVICE TIME INDICATOR The SEMS PDA distress alarm also provides an electronic end of ser- vice time indicator and cylinder pressure display as follows: 1/2 full cylinder When the air supply cylinder has reached 1/2 full capacity, the audible signal will sound and the display will read “1/2 AIR” for 10 seconds. 1/4 full cylinder WARNING When the air supply cylinder has reached 1/4 full capacity, the THE RESPIRATOR USER MUST IMMEDI- audible signal will sound and
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USE OF THE SEMS PDA PORTABLE UNIT Users of SCOTT respirators equipped with the SEMS PDA Portable Unit must be fully trained in the operation of the equipment as part of a complete respiratory protection program before entering a hazard- ous environment. 1. Start-up a) Use of the SEMS PDA Portable Unit begins when the user opens the cylinder valve on the respirator to start respirator usage. The unit will sound three chirps to indicate activation. b) After a brief start-up sequence of less than
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4. Distress Alarm a) If the user is in distress or becomes immobile, the SEMS PDA distress alarm will operate in conjunction with the Portable Unit. If the distress alarm is activated, either by the user pressing and holding the MANUAL ALARM for at least two seconds, or from the user being immobile for the required time duration, the Portable Unit will send a distress signal to the Base Sta- tion. The distress alarm will override all other messages and actions of the Portable Unit. b) When the B
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USE OF THE SEMS BASE STATION The SEMS PDR Base Station must be properly programmed before field use. See SEMS Programming Guide SCOTT P/N 89506-01 for complete details of SEMS programming. The SEMS PDR Base Station requires batteries for operation. See the BATTERY REPLACEMENT section of this instruction. An optional ex- ternal power supply is available. WARNING The SEMS PDR Base Station must be operated by a fully trained indi- THE SEMS BASE STATION MUST BE MONI- TORED BY A FULLY TRAINED INDIVID
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2. Evacuation a) To send an evacuation message to all logged-in respirator us- ers, the Base Station operator must press and hold the “EVAC” button on the Base Station and then choose “ALL-CALL” from the menu on the display. The “EVAC message will be sent to all logged-in respirator users. b) To send an evacuation message to only selected respirator users, the Base Station operator uses the scroll buttons to move up and down the list of logged-in respirator users and presses the “EVAC” button wh
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EVENT LOG Software within the Base Station maintains a data record or EVENT LOG of each communication to or from the Base Station from the time it is powered for use unitl it is powered down. To acces and use the EVENT LOG, proceed as follows: BASE UNIT INTERFACE SETUP Plug the Base Unit Interface Cable into a COM port as instructed in the COMPUTER SETUP section the SEMS Programming Instruc- tions SCOTT P/N 89506-01. 1. Plug the other end of the Base Unit Interface Cable into the con- nector on
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5. The EVENT LOG file is a text (.txt) which may be viewed in either Microsoft Excel or Microsoft Word. The data is in columns sepa- rated (delimited) by commas. It may require some manipulation of the columns to facilitate reading as shown in FIGURE 6. The columns contain information as follows: Column 1 Event number Identification Column 2 Date of Event Column 3 Time of Event Column 4 Fire Company (blank if the PDA and the Base Unit have the same name.) Column 5 Truck Number Column 6 Seat Numb
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REGULAR OPERATIONAL INSPECTION When installed on a SCOTT SCBA, inspection and test of the SCOTT SEMS PDA distress alarm is to be conducted along with inspection WARNING and test of the respirator before each use. To do this, the REGULAR FOLLOW REGULAR OPERATIONAL INSPEC- TION PROCEDURE EXACTLY. IF THE SEMS OPERATIONAL INSPECTION procedures in your respirator instruc- PDA DISTRESS ALARM DOES NOT ACTU- added tions will require modification. The instructions below are to be ATE, OR DOES NOT OPERA
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INSPECTION OF SEMS PDA DISTRESS ALARM 1. While performing the visual inspection of the respirator visually inspect all SEMS PDA distress alarm enclosures, lenses, and wire conduits for cracks, wear or other damage. If damage is noted, remove respirator from service and tag respirator for repair by qualified personnel. 2. Before pressurizing the respirator by opening the cylinder valve, check the SEMS PDA distress alarm manual alarm feature by pressing the manual alarm button, located on the fro
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8. Check alarm reset: While in full alarm, fully depress reset button, release, and depress again. The SEMS PDA distress alarm shall reset to the automatic mode. The loud alarm shall stop and the red flashing lights shall be replaced by green flashing lights. 9. Check continuing operation of the SEMS PDA distress alarm: After finishing all respirator checks involving air flow, turn off cylin- der valve (push in and turn clockwise), purge all residual pressure in respirator (open purge valve and
