MSA Chillgard RT Instruction Manual page 8

Wiring the Chillgard RT Unit ....................................... 2-11
Analog Signal Output Wiring (FIGURE 2-5) ............... 2-11
4-20 mA ...................................................................... 2-11
0-10 VDC .................................................................... 2-11
RS 232 Output ............................................................ 2-12
Figure 2-5. Wiring Connections .............................. 2-12
Ferrite Bead Installation .............................................. 2-13
Figure 2-6. Ferrite Bead Installation ....................... 2-13
CAUTION ........................................................... 2-13
Optional Alarm Beacon ............................................... 2-14
Relay Outputs ............................................................. 2-14
Alarm Relays ............................................................... 2-14
Trouble Relay .............................................................. 2-15
Trouble Relay Connection Wiring ............................... 2-15
Remote Reset ............................................................. 2-15
Audible Alarm Output .................................................. 2-16
Auxiliary Input - Use UL Listed Devices ..................... 2-16
Initial Calibration ............................................................ 2-16
CAUTION ........................................................... 2-16
Multipoint Sequencer Operation .................................... 2-17
Chapter 3
Start-up and Initial Adjustments .................... 3-1
Figure 3-1a. Display Screen Overview ..................... 3-2
Figure 3-1b. Display Screen Overview Continued 3-3
Figure 3-2a. Start-up and
Normal Operation Screens .............................. 3-4
Figure 3-2b. Start-up and
Normal Operation Screens Continued ............ 3-5
Figure 3-3a. Setup Screens ...................................... 3-6
Figure 3-3b. Setup Screens Continued .................... 3-7
Figure 3-4. Span Calibration ..................................... 3-8
Figure 3-5. Zero Calibration ...................................... 3-9
Figure 3-6. Check Calibration ................................. 3-10
Figure 3-7. Diagnostic Screens .............................. 3-11
Figure 3-8. Diagnostic Screens .............................. 3-12
Figure 3-9. Diagnostic Screens .............................. 3-13
Figure 3-10. Data Screens ...................................... 3-14
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