E2V Technologies R8060 SEMS base station R8060 User Manual 89502 01 SEMS

E2V Technologies Ltd. SEMS base station R8060 89502 01 SEMS

Revised user manual October 02

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Document ID281443
Application ID/iFk1nO6kBEFpsSiCM3Beg==
Document DescriptionRevised user manual October 02
Short Term ConfidentialNo
Permanent ConfidentialNo
SupercedeNo
Document TypeUser Manual
Display FormatAdobe Acrobat PDF - pdf
Filesize31.99kB (399907 bits)
Date Submitted2002-11-06 00:00:00
Date Available2002-12-06 00:00:00
Creation Date2002-11-04 13:04:43
Producing SoftwareAcrobat Distiller 4.05 for Windows
Document Lastmod2002-11-06 08:49:13
Document Title89502-01 SEMS
Document CreatorAdobe PageMaker 6.52
Document Author: dpearl

DRAFT COPY
OPERATION AND MAINTENANCE INSTRUCTIONS
SCOTT ELECTRONIC MANAGEMENT SYSTEM -- SEMS™
USER ACCOUNTABILITY SYSTEM
FOR THE SCOTT AIR-PAK® 2.2 / 3.0 / 4.5 / FIFTY
SELF-CONTAINED BREATHING APPARATUS
BASE
STATION
PORTABLE UNIT
FIGURE 1
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
THE FOLLOWING INSTRUCTIONS MAY RESULT IN SERIOUS INJURY OR DEATH TO THE
SCBA USER.
USE OF A RESPIRATOR INTEGRATED WITH THE SEMS USER ACCOUNTABILITY SYSTEM
W I L L R E Q U I R E M O D I F I C AT I O N O F T H E R E S P I R ATO R " R E G U L A R O P E R AT I O N A L
INSPECTION PROCEDURES" AND WILL REQUIRE TRAINING OF THE RESPIRATOR USER
IN THE USE OF SUCH RESPIRATORS.
THE FOLLOWING INSTRUCTIONS SUPPLEMENT BUT DO NOT REPLACE THE OPERATING
AND MAINTENANCE INSTRUCTIONS SUPPLIED WITH EACH RESPIRATOR.
DRAFT COPY
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.
DESCRIPTION
The SCOTT Electronic Management System (SEMS) provides a
method of communication between respirator users in a hazardous
area and a designated person outside of the hazardous area. The
SEMS equipment consists of individual Portable Units attached to the
SCOTT AIR-PAK models 2.2/3.0/4.5/Fifty self-contained breathing
apparatus (SCBA) and a Base Station which transmit and receive
specific information between the respirator users and the Base Station operator. The specific information consists of user identification
and status as well as alerts for evacuation. Complete training in the
use of the SEMS equipment is required before actual use in a hazardous environment.
The Portable Unit is integrated into the Scott AIR-PAK SCBA as a part
of the remote air pressure gauge which hangs over the right shoulder
of the respirator user. The Portable Unit also functions as the Control
Console for the PAK-ALERT EMS distress alarm personal alert safety
system (PASS) installed on the respirator backframe. The Portable
Unit has a set of status lights, a four character digital display, a dial air
pressure gauge, and three control buttons which can easily be pressed
with gloved hands. Power is supplied by batteries in both the Portable
Unit and in the PAK-ALERT EMS distress alarm battery compartment.
The Base Station is a compact battery operated device that can be
tripod mounted or carried by a strap. A digital display provides information about status of the respirator users who are logged onto the
Base Station. Simple dedicated function buttons control the transmission and receipt of signals with the respirator users. The Base Station
can be easily interfaced with a computer for programming and advanced applications.
When a respirator user opens the cylinder valve and begins use of an
AIR-PAK SCBA equipped with the SEMS Portable Unit, the Portable
Unit will automatically begin to operate. If the Base Station is present
at time of entry, the Portable Unit must log-in with the Base Station
before entry into the hazardous area. Contact between the Portable
Unit and the Base Station will continue until the respirator user terminates use of the SCBA.
Each installation of SEMS equipment operates as a distinct set of
Portable Units and Base Station that transmit and receive on a single
frequency. If another installation of SEMS equipment is used in the
same area, the operation of each group will remain discreet and separate between Portable Units and Base Stations. The SEMS equipment
operates between 453.0375 and 465.6375 MHz on radio channels
defined in FCC Title 47 (Telecommunications) Part 90 section 20, Limitation (27) and requirement Part 90.238. Programming of the Portable
Units and Base Station is essential and must be performed prior to
training and use. See SEMS Programming Guide, Scott P/N 8950601 for complete details of programming the SEMS equipment.
WARNING
NO PERSONAL ALERT SAFETY SYSTEM, RESPIRATOR OR COMBINATION OF PERSONAL
ALERT SAFETY SYSTEM AND RESPIRATOR,
BY THEMSELVES, CAN PROVIDE COMPLETE
PROTECTION IN FIRE SITUATIONS. HOWEVER,
USING AN ALARM AND A RESPIRATOR IN
ACCORDANCE WITH THE REQUIREMENTS
OF AN ORGANIZED RESPIRATORY PROTECTION PROGRAM IS ONE OF THE MANY
SAFETY PRECAUTIONS WHICH SHOULD BE
TAKEN TO AVOID PERSONAL INJURY OR
DEATH.
DRAFT COPY
FCC NOTICE
This equipment has been tested and found to comply with the requirements of United States Federal Communications Commission,
Code of Federal Regulations, FCC title 47, part 90 Section 20, limitation (27) and requirement Part 90.238 over frequency range 453.0375
to 465.6375 MHz, as well as FCC Section 1.1310 for Occupational/
Controlled Exposure limits.
If the SEMS Base Station or Portable Unit has been damaged, DO
NOT use this equipment. Maintenance or repair of this equipment
must only be performed by an authorized SCOTT service center.
Unauthorized service may void the manufacturers warranty and may
cause damage to the equipment. Use only Scott authorized accessories, cables, and power connectors. Consult the operating and service
manuals for instructions on battery replacement, battery maintenance,
and use of accessory cables.
ELECTROMAGNETIC ENERGY (EME) EXPOSURE
The SEMS Base Station and Portable Unit are designed to comply
with the FCC guidelines regarding exposure of human beings to radio
frequency electromagnetic energy.
Use only the supplied or an approved replacement antenna on the Base
Station. DO NOT touch or hold the Base Station antenna when the
POWER is “ON”. Holding the antenna may affect transmission and
reception quality or may cause the radio to operate at a higher power
level than allowed by the FCC. Maintain a distance from your body to
the antenna greater than 1.5mm / 1/16th inch while the Base Station is
in use. Any unauthorized antennas, modifications, maintenance, or attachments could damage the Base Station and may violate FCC
regulations. DO NOT use the Base Station if the antenna has been
damaged. If the antenna has been damaged, remove the equipment
from service and tag for repair by authorized personnel.
The SEMS Portable Unit antenna is located inside the case. The case
is designed to retain the antenna and maintain a distance greater than
1.5mm / 1/16th inch from the users body at all times. DO NOT operate
the Portable Unit with the cover removed. Any unauthorized antennas,
modifications, maintenance, or attachments could damage the
Portable Unit and may violate FCC regulations.
Use of the SEMS Base Station and Portable Unit outside the country
where it was distributed may be subject to government regulations and
may be prohibited.
DRAFT COPY
BASIC FUNCTIONS OF THE SEMS EQUIPMENT
The SEMS equipment has two primary functions:
• Evacuation Signal
• Distress Signal
1. The Evacuation Signal is sent from the Base Station to the Portable Units. It can be handled one of two ways:
a) All-Call Signal: The Base Station will send a signal to all portable units logged on to it. When received, the Portable Unit
will display “EVAC” and sound an audible signal. Every respirator user must acknowledge this signal by pressing twice the
RESET button on the Control Console. Display will continue to
read “EVAC” until user leaves hazardous area and shuts down
the respirator.
b) Selective Evacuation Alarm The Base Station will send a signal to only one individual unit logged on to it. When received,
the Portable Unit will display “EVAC” and sound an audible
alarm. The selected respirator user must acknowledge this signal by pressing twice the RESET button on the Control Console.
Display will continue to read “EVAC” until user leaves hazardous area and shuts down the respirator.
2. The Distress Signal is joined to the PAK-ALERT EMS distress
alarm operation. The Portable Unit will send a signal to the Base
Station when the PAK-ALERT EMS 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 set on the PAK-ALERT distress
alarm. Once acknowledged by the Base Station operator, “PASS”
will appear on the Portable Unit display.
Other additional functions include:
1. The Contact Signal is an automatic signal sent by the Base Station to every Portable Unit that is logged in to the Base Station.
Any respirator user who does not return an acknowledgment to
the Contact Signal within 120 seconds will be shown on the Base
Station as “OUT OF RANGE.”
2. Air supply cylinder levels are monitored by the Portable Unit and
the Base Station. The user can press and hold the RESET button at any time for a digital display of the remaining air supply
cylinder pressure. The approximate cylinder pressure is displayed.
The user receives a “½ AIR” warning in the display with an audible alarm when the cylinder reaches one-half of full pressure.
The user also receives a “LOW AIR” warning in the display with
an audible alarm when the cylinder reaches one quarter of full
pressure. The “LOW AIR” warning is also transmitted to the Base
Station. The “LOW AIR” alarm will continue to operate until the
respirator is shut down.
3. Users can inform the Base Station that they are withdrawing
from the hazardous atmosphere by pressing and holding the
“WITHDRAW” button on the Portable Unit for at least two seconds. The display will read “W–D” until the user leaves the
hazardous area and shuts down the respirator.
DRAFT COPY
PROGRAMMING
Before SEMS equipment can be put into service, the Base Station
and each Portable Unit must be programmed to work with each other.
The amount and detail of the information programmed in will depend
on the requirements of the organization using the SEMS. At a minimum, the equipment must be setup so that the Base Station will
recognize each Portable Unit in the group and associate an identity of
the respirator user with the Portable Unit. In this way, specific users
who have entered a particular region of the hazardous area can be
contacted individually to evacuate to a safe atmosphere. In addition, if
a Portable Unit transmits a DISTRESS SIGNAL, the Base Unit will
display the identity of the respirator user. See SEMS Programming
Guide, Scott P/N 89506-01 for complete details of programming the
SEMS equipment.
REGULAR OPERATIONAL INSPECTION
When installed on a Scott SCBA, inspection and test of the Scott
SEMS Portable Unit is to be conducted along with inspection and test
of the respirator and the PAK-ALERT EMS distress alarm before each
use. To do this, the REGULAR OPERATIONAL INSPECTION procedures in your respirator instructions will require modification. The
instructions below are to be added to the instructions for REGULAR
OPERATIONAL INSPECTION of your respirator. If, during the inspection any malfunction of the respirator or the SEMS Portable Unit is
noted, remove the respirator from service and tag for repair by authorized personnel.
1. While performing the visual inspection of the respirator inspect
all SEMS Portable Unit 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. Check the operation of the PAK-ALERT EMS distress alarm in
accordance with the REGULAR OPERATIONAL INSPECTION
defined in the user instruction for the PAK-ALERT EMS distress
alarm installed on your SCBA. All standard function of the PAKALERT EMS distress alarm must operate properly.
3. With an operating Base Station, verify that the SEMS Portable
Unit initializes and logs-in to the Base Station. When testing the
PAK-ALERT EMS alarms, verify that the Portable Unit and Base
Station are communicating with each other properly.
4. Verify that the batteries are properly installed and that there is no
“BATT” indication on the display.
5. Send an “EVAC’ signal to the Portable Unit and check the response.
Verify that both the ALL-CALL and the Selective Evacuation signals are properly received by the Portable Unit.
6. When testing the “LOW AIR” alarm operation, verify that the proper
signal is transmitted to the Base Station.
On a regular basis established by your respiratory protection program,
each SEMS Base Station must be inspected and tested for proper
operation. Each of the functions defined in the USE OF THE SEMS
BASE STATION section of this instruction must be checked and verified to be operating properly. If any malfunction is found, remove the
Base Station from service and tag for repair by authorized personnel.
WARNING
FOLLOW REGULAR OPERATIONAL INSPECTION PROCEDURE EXACTLY. IF THE SEMS
PORTABLE UNIT OR BASE STATION DOES
NOT OPERATE AS DESCRIBED OR IF ANY
OTHER OPERATIONAL MALFUNCTION IS
NOTED, DO NOT USE THE RESPIRATOR.
USE OF A MALFUNCTIONING RESPIRATOR
M AY R E S U LT I N S E R I O U S I N J U RY O R
DEATH.
WARNING
IF THE LOW BATTERY INDICATION OCCURS AT
ANY TIME DURING REGULAR OPERATIONAL
INSPECTION, DO NOT USE THE RESPIRATOR.
CHANGE ALL BATTERIES IMMEDIATELY AND
REPEAT THE REGULAR OPERATIONAL TEST
OR TAKE THE RESPIRATOR OUT OF SERVICE
UNTIL THE BATTERIES ARE CHANGED AND
THE REGULAR OPERATIONAL TEST IS SUCCESSFULLY PERFORMED. USE OF A RESPIRATOR WITH DEPLETED BATTERIES MAY
LEAD TO A FAILURE OF THE RESPIRATOR
WHICH COULD RESULT IN SERIOUS INJURY
OR DEATH.
DRAFT COPY
WARNING
THE INFORMATION BELOW IS MEANT TO SUPPLEMENT, NOT REPLACE, THE INSTRUCTIONS,
TRAINING, SUPERVISION, MAINTENANCE, AND OTHER ELEMENTS OF YOUR ORGANIZED
RESPIRATORY PROTECTION PROGRAM. SEE WARNING ON FIRST PAGE OF THIS DOCUMENT.
USE OF THE SEMS PORTABLE UNIT
Users of SCOTT respirators equipped with the SEMS Portable Unit
must be fully trained in the operation of the equipment as part of a
complete respiratory protection program before entering a hazardous
environment.
WARNING
MANUAL
ALARM BUTTON
(RED INDICATOR)
RESET
BUTTON
(YELLOW
INDICATOR)
WITHDRAW
BUTTON (BLUE
INDICATOR)
WITHDRAW
MA
NU
AL
USERS OF RESPIRATORS EQUIPPED WITH
THE SEMS PORTABLE UNIT MUST BE AWARE
O F T H E P R O P E R O P E R AT I O N O F T H E
EQUIPMENT. FAILURE TO RECOGNIZE A
MALFUNCTION OF THE SEMS PORTABLE
UNIT AND TAKE PROPER CORRECTIVE ACTION
MAY RESULT IN SERIOUS INJURY OR DEATH.
RESET
AR
AL
RED SIGNAL
LIGHT
CONSOLE
DISPLAY
GREEN SIGNAL
LIGHT
WARNING
FIGURE 2
THE PORTABLE UNIT
1.
Start-up
a) Use of the SEMS 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 ten seconds, the
green light in the Portable Unit display will flash to indicate
operation of the Portable Unit. An alert tone, a “BE-doop” to
indicate the system activity, is used for several functions. Whenever the alert tone occurs, the user should look at the Portable
Unit display for information.
USERS OF RESPIRATORS EQUIPPED WITH
THE PAK-ALERT EMS DISTRESS ALARM
MUST BE AWARE OF THE PROPER OPERATION OF THE DISTRESS ALARM. IF THE
GREEN LIGHT IS NOT FLASHING NORMALLY,
OR IF THE UNIT EXHIBITS ANY OTHER SIGNS
OF A MALFUNCTION WITHOUT THE USER TAKING PROPER CORRECTIVE ACTION, EMS MAY
LEAD TO CIRCUMSTANCES THAT RESULT IN
SERIOUS INJURY OR DEATH.
DRAFT COPY
2.
Initialization and Range
a) After the start-up sequence, the Portable Unit will send an Initialization signal to the Base Station to log in. The Base Station
will respond by showing “ACK” for the identity assigned to that
Portable Unit.
b) If the respirator user moves too far from the Base Station after
logging-in, the Portable Unit will begin to display “RNGE” indicating out of range until the user moves back into the Base
Station field of operation (up to one-half mile line-of-sight).
c) If the Portable Unit is too far away from the Base Station at
start-up, or if the Base Station is not powered up, the Portable
Unit display will read “RNGE” right from start-up and not be
logged into the Base Station. The Portable Unit will continue
trying to log-in to a Base Station until one comes into range or
is powered up.
d) Except for those functions which involve communication with
the Base Station, all other functions of the Portable Unit and
PAK-ALERT EMS distress alarm are still operational when the
Portable Unit is either out of range or not logged into a Base
Station.
3. Air Supply Cylinder Pressure
a) To check the air supply cylinder pressure, the user must press
and hold the RESET button on the Portable Unit. The approximate pressure remaining in the cylinder will be shown in the
display as PSIG.
b) When the cylinder reaches one-half of full pressure, the alert
sound will occur and the Portable Unit will display “1/2 AIR” for
ten seconds.
c) When the cylinder reaches one-quarter of full pressure, the
alert sound will occur and the Portable Unit will display “LOW
AIR”. A low air signal will be sent to the Base Station within ten
seconds. This end of service time indicator (EOSTI) alarm cannot be silenced by the user until the user leaves the hazardous
area and shuts down the respirator. The Base Station operator
must press “ACK” on the Base Station to acknowledge the
user’s low air signal.
4. Distress Alarm
a) If the user is in distress or becomes immobile, the PAK-ALERT
EMS 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 Station. The distress alarm will override all other messages and actions of the Portable Unit.
b) When the Base Station acknowledges the user’s distress signal by pressing the “ACK” button on the Base Station, the
Portable Unit will respond by displaying “PASS” and continuing to sound the distress alarm on the respirator. The distress
alarm will continue until the user shuts down the respirator.
WARNING
THE RESPIRATOR USER MUST IMMEDIATELY LEAVE THE AREA REQUIRING
R E S P I R ATO RY P R O T E C T I O N W H E N A N
E N D O F S E RV I C E I N D I C AT O R A L A R M
ACTUATES. ACTUATION OF AN END OF
S E R V I C E I N D I C ATO R A L A R M WA R N S
T H AT A P P R O X I M AT E LY 2 5 % O F F U L L
PRESSURE REMAINS IN THE AIR SUPPLY
C Y L I N D E R ( T H AT I S , A P P R O X I M AT E LY
3 / 4 O F T H E T O TA L A I R S U P P LY H A S
BEEN USED). A DELAY IN LEAVING THE
A R E A A F T E R A L A R M A C T U AT I O N M AY
R E S U LT I N S E R I O U S I N J U RY O R
DEATH.
DRAFT COPY
5.
Evacuation
a) If the respirator users are required to leave the hazardous area,
the Base Station operator can send an evacuation message to
the Portable Units of logged-in respirator users. This message
can be sent either to all logged-in users or to selected loggedin users as chosen from the list on the Base Station.
b) The Portable Unit will emit the alert sound and “EVAC” will
appear flashing in the display.
c) When an “EVAC” message appears on the Portable Unit display, the respirator user must press twice the RESET button
on the Portable Unit to respond to the evacuation message.
“EVAC” will continue to appear in the display of the Portable
Unit until the user leaves the hazardous area and shuts down
the respirator.
6. Withdraw
a) The respirator user may choose to leave the hazardous area.
Pressing and holding the WITHDRAW button on the Portable
Unit will send that message to the Base Station.
b) When the Base Station receives a user withdrawal message,
the operator presses the “ACK” button on the Base Station to
respond.
c) When the Portable Unit receives the acknowledgment response, the Portable Unit will display “W–D” until the respirator
user leaves the hazardous area and shuts down the respirator.
7. Batteries
If the any of the batteries on the respirator needs replacement, the equipment will indicate as follows:
– SENSOR MODULE – The PAK-ALERT EMS will sound a
single audible chirp from the sensor module once every 2 seconds and the green light on the control module will not flash.
– CONTROL CONSOLE – "BATT" will appear in the display
but all other functions of the SEMS Portable Unit will operate
normally.
If any low battery condition appears at start-up, immediately
change the batteries before use of the respirator. If a low battery condition appears while the respirator is in use, the
equipment will continue to operate for a period of time greater
then the longest duration cylinder available for the respirator,
but the batteries must be changed before the next use of the
respirator. Refer to the battery changing instructions included
in the PAK-ALERT EMS distress alarm user instructions provided with your respirator.
8. Shutdown
a) After leaving the hazardous area and confirming that respirator use is no longer required, doff the respirator according the
user instructions provided with the respirator.
b) Close the cylinder valve.
c) Press the RESET button twice.
d) The Portable Unit will sound the alert tone and flash “OFF” in
the display. The Portable Unit is now off.
WARNING
IF THE LOW BATTERY INDICATION OCCURS AT
ANY TIME DURING USE OF THE RESPIRATOR,
THE BATTERIES MUST BE CHANGED BEFORE
THE NEXT USE OF THE RESPIRATOR. USE OF
A RESPIRATOR WITH DEPLETED BATTERIES
MAY LEAD TO A FAILURE OF THE RESPIRATOR WHICH COULD RESULT IN SERIOUS INJURY OR DEATH.
DRAFT COPY
USE OF THE SEMS BASE STATION
The SEMS 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 Base Station requires batteries for operation. See the
BATTERY REPLACEMENT section of this instruction. An optional
external power supply is available.
The SEMS Base Station must be operated by a fully trained individual
as part of a complete respiratory protection program. The Base
Station operator must have the ability to direct rescue operations
as needed.
EVAC
BUTTON
POWER
BUTTON
NORMAL
ALARM
LIGHT
EXT
DC
POWER
EVAC
OUT OF
RANGE
LOW
BATT
DIGITAL DISPLAY WINDOW
ALARM
MENU
CLEAR
MENU
BUTTON
CLEAR
BUTTON
ACK
ACKNOWLEDGE
BUTTON
SCROLL
BUTTONS
FIGURE 3
BASE STATION
1.
Start-up
a) Press the POWER button on the Base Station to begin operation.
b) All Portable Units that were initialized before the Base Station
was powered up will be logged-in as indicated by “ACK” registered with the user’s identity.
c) Any Portable Units initialized after the Base Station is powered
up will also be logged-in as indicated by “ACK” registered with
the user’s identity.
d) The base station tracks the time for each Portable Unit from
log-in until each respirator user leaves the hazardous area and
shuts down their respirator.
2. Evacuation
a) To send an evacuation message to all logged-in respirator
users, the Base Station operator must press and hold the
“EVAC” button on the Base Station and then choose “ALLCALL” 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
WARNING
THE SEMS BASE STATION MUST BE MONITORED BY A FULLY TRAINED INDIVIDUAL
WITH THE ABILITY TO DIRECT RESCUE OPERATIONS AT ALL TIMES WHEN LOGGED-IN
RESPIRATOR USERS MAY BE IN A HAZARDOUS
AREA. FAILURE TO PROVIDE A PROPERLY
TRAINED BASE STATION OPERATOR MAY
PERMIT A SITUATION TO OCCUR WHICH
COULD RESULT IN SERIOUS INJURY OR
DEATH.
DRAFT COPY
up and down the list of logged-in respirator users and presses
the “EVAC” button when the selected users are highlighted in
the display.
c) The respirator users who receive the “EVAC” message must
press the RESET button on the Portable Unit to acknowledge
the message.
d) The Base Station listing of logged-in users will display “CONF”
with each respirator user who has responded to the “EVAC”
message.
3. Air Supply Monitoring
a) When the air supply cylinder reaches one-quarter of full pressure, the alert sound will occur and the Portable Unit will display
“LOW AIR”. A low air signal will be sent to the Base Station
within ten seconds. This end of service time indicator (EOSTI)
alarm cannot be silenced by the user until the user leaves the
hazardous area and shuts down the respirator.
b) The Base Station operator must press “ACK” on the Base Station to acknowledge the user’s low air signal.
10
DRAFT COPY
BATTERY REPLACEMENT
Battery replacement for the Portable Unit is detailed in the Operation
and Maintenance Instructions for the PAK-ALERT EMS as installed
on the AIR-PAK respirator. Those instructions are as follows:
– for PAK-ALERT EMS installed on AIR-PAK 2.2/3.0/4.5/Fifty:
See Instruction P/N 89501-01
Battery replacement for the Base Station is as follows:
1.
Place the Base Station in a clean, nonhazardous area. Verify
that the unit is not in use and is OFF.
2.
Set the Base Station with the control panel face up and the bottom of the unit accessible.
3.
Remove the three (3) battery caps from the battery compartments by unthreading them counterclockwise. See FIGURE 4.
BATTERY
CAPS (3)
BATTERY ORIENTATION
LABELS
FIGURE 4
BATTERY COMPARTMENTS ON BASE STATION
4.
5.
6.
7.
Remove the six (6) depleted batteries.
Install six (6) fresh new “C” cell batteries. Use six (6) of the
following: Duracell MN1400, or Eveready Alkaline No. E93 or
EN93. Be sure orientation of batteries is as noted on labels inside the battery compartments.
Replace the three (3) battery caps by threading them on clockwise.
Power up the Base Station and perform the REGULAR OPERATIONAL INSPECTION as defined in this instruction.
MAINTENANCE
Except for programming and battery changing, there are no service
operations or user serviceable parts available to the user.
11
WARNING
FAILURE TO REPLACE THE BATTERIES AND/
OR CONTINUING WITH MULTIPLE USES OF
THE SEMS EQUIPMENT AFTER THE LOW
B AT T E RY C O N D I T I O N H A S B E E N I N D I CATED MAY RESULT IN FAILURE OF THE
SEMS ACCOUNTABILITY SYSTEM DURING
USE WHICH COULD LEAD TO SERIOUS INJURY OR DEATH.
NOTICE:
THESE USER INSTRUCTIONS
ARE TO BE REMOVED ONLY
BY THE END USER.
DRAFT COPY
Health & Safety Products
Monroe Corporate Center
PO Box 569
Monroe, NC 28111
Telephone 1-800-247-7257
FAX (704) 291-8330
www.scotthealthsafety.com
89502-01 Rev - 10/02
Printed in USA
12

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Creator                         : dpearl
Title                           : 89502-01 SEMS
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