Overview | 1-11
Figure 1-4.
Pressurization System
State diagram.
BOX PRESSURIZED
POWER OFF
ALARM RED TO GREEN
POWER OFF
ALARM (RED)
START
BYPASS MODE
ANALYZER ON
TIMING START
POWER ON FAST PURGE OFF
LEAKAGE COMPENSATION
HOLDING 2mb
NORMAL OPERATION
IPS-4 PURGE SYSTEM STATE DIAGRAM
PRESSURE SETTINGS
ENCLOSURE
PRESSURE
ALARM
AND PURGE
OPERATING
OPERATING
SET LEAK
COMPENSATION
TO THIS
MIN. PRESS
TO RUN THIS
TIMER
VENT
OPENS
0.2" wc
0.5mb
min.
0.8" wc
2.0mb
1.4"wc
3.5.mb
min
4" wc
10mb
Supply air lost
or Door open
Box pressure <0.5mb or
purge <3.5mb in vent
Loss of air
or Door open
Key Active
+ Air in ≥ 60psi
+ Door closed
Apply AC
No air
>60psi air
+ Key in Bypass
Loss of air
Key to active
Key to Bypass
Box Press >0.5mb
+ Purge >3.5mb
Box drops <0.5mb
or Purge <3.5mb
Box drops <0.5mb
Min. purge time
(5 mins) met
Key to
Active
Key to
Bypass
IPS-4 PURGE SYSTEM STATE DIAGRAM
Содержание Western Research IPS-4
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Страница 218: ...A 2 IPS 4 Dual Bench UV IR Analyzer Analyzer Light Path UV Optical Bench Schematic...
Страница 219: ...Appendix A Drawings A 3 Analyzer Light Path NDIR Optical Bench Schematic CONDENSING...
Страница 222: ...A 6 IPS 4 Dual Bench UV IR Analyzer Detector Board 100 2046...
Страница 223: ...Appendix A Drawings A 7 Display Interface Board 100 2049...
Страница 225: ...Appendix A Drawings A 9 AC Disconnection Board 100 2077...
Страница 227: ...Appendix A Drawings A 11 Relay Board 100 2050...
Страница 228: ...A 12 IPS 4 Dual Bench UV IR Analyzer Analog Board 100 2047...
Страница 229: ...Appendix A Drawings A 13 MCU Board 100 2045...
Страница 230: ...A 14 IPS 4 Dual Bench UV IR Analyzer Xenon Lamp Power Supply Board 100 2061 UV Optical Bench...
Страница 231: ...Appendix A Drawings A 15 Infrared Source Assembly Interface Board 100 2838 IR Optical Bench...
Страница 232: ...A 16 IPS 4 Dual Bench UV IR Analyzer Electronics Enclosure Wiring Diagram Sheet 1 of 5...
Страница 233: ...Appendix A Drawings A 17 Electronics Enclosure Wiring Diagram Sheet 2 of 5...
Страница 234: ...A 18 IPS 4 Dual Bench UV IR Analyzer Electronics Enclosure Wiring Diagram Sheet 3 of 5...
Страница 235: ...Appendix A Drawings A 19 Disconnect Enclosure Wiring Diagram Sheet 4 of 5...
Страница 236: ...A 20 IPS 4 Dual Bench UV IR Analyzer Disconnect Enclosure Wiring Diagram Sheet 5 of 5...
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