List of Figures and Tables
FIGURE 1A: SAMPLE HEAD ASSEMBLY, TYPICAL HIGH PRESSURE HOOK-UP ................................................................................ 2
FIGURE 1: CONTROL UNIT FEATURES ....................................................................................................................................................... 5
FIGURE 2: CIRCUIT BOARD WITH TERMINAL BLOCKS ..........................................................................................................................6
FIGURE 3: RELAY HOOK-UP, POWER INTERNAL AND EXTERNAL....................................................................................................... 7
FIGURE 4: SAMPLE HEAD ASSEMBLY, TYPICAL HOOK-UP .................................................................................................................. 8
TABLE 1: OXYGEN ALARM RELAY CONTACTS ....................................................................................................................................... 9
TABLE 2: CO ALARM RELAY CONTACTS ................................................................................................................................................. 9
TABLE 3: REFERENCE, STATE OF OPERATION OF ISA-44RAL-OD / ISA-44RAH-OD.............................................................. 10
FIGURE 5: TEST GAS HOOK-UP................................................................................................................................................................. 13
TABLE 4: REPLACEMENT PART NUMBERS ............................................................................................................................................. 16
TABLE 5: CALIBRATION GAS PART NUMBERS....................................................................................................................................... 16
FIGURE 6: HOUSING, OXYGEN CELL AND MOS SENSOR.................................................................................................................... 17
Reference information:
NOTE: [important information about use of instrument – if not followed may have to redo some steps.]
CAUTION: [affects equipment – if not followed may cause damage to instrument, sensor etc…]
WARNING: [affects personnel safety – if not followed may cause bodily injury or death.]
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