3
SENS IQ Technical Manual
Service hotline: 1.800.742.2326
1.303.678.7500
LIST
OF
TABLES
AND
FIGURES
Figure 1: Typical wiring diagram for IQ battery chargers ............................................................................ 8
Figure 2: Input, output and alarm wiring locations ..................................................................................... 9
Table 1: AC Input Current and AC/DC Circuit Breaker Current Ratings .................................................. 10
Table 2: AC Input Wire Gauge Ratings ..................................................................................................... 10
Table 3: DC Output Wire Gauge Ratings .................................................................................................. 11
Figure 3: Alarm contact terminal blocks .................................................................................................... 12
Table 4: Alarm contact designations .......................................................................................................... 13
Table 5: Typical open circuit battery voltages for lead acid batteries. ....................................................... 13
Figure 4: Front Panel User Interface ........................................................................................................... 14
Figure 5: Typical automatic charge sequence ............................................................................................. 16
Table 6: Default Battery Settings ............................................................................................................... 17
Figure 6: User Interface Instructions ........................................................................................................... 18
Figure 7: Two temperature compensation curve examples ......................................................................... 21
Figure 8: Charger Adjustment Limits for Flooded and VRLA Batteries .................................................... 22
Figure 9: Charger Adjustment Limits for Nickel-Cadmium Batteries ........................................................ 22
Figure 10: Unlock/Lock Jumper.................................................................................................................. 23
Figure 11: Black Box Data Recorder .......................................................................................................... 26
Table 7: Non-temperature compensated factory charger output voltage and alarm
threshold settings for typical VRLA batteries ........................................................................... 27
Table 8: Non-temperature compensated factory charger output voltage and alarm
threshold settings for flooded lead acid batteries ....................................................................... 27
Table 9: Non-temperature compensated factory charger output voltage and alarm
threshold settings for NiCd batteries ......................................................................................... 28
Figure 12: Troubleshooting chart for repeated AC breaker trip ................................................................... 29
Figure 13: Troubleshooting flowchart for AC fail alarm indication ............................................................ 30
Figure 14: Troubleshooting flowchart for charge fail alarm ........................................................................ 31
Figure 15: Troubleshooting flowchart for DC output breaker trip ............................................................... 32
Figure 16: Troubleshooting flowchart for HIGH DC or OVSD alarms ....................................................... 33
Figure 17: Troubleshooting flowchart for LOW DC alarm ......................................................................... 34
Figure 18: Troubleshooting flowchart for no output .................................................................................... 35
Figure 19: Troubleshooting flowchart for GROUND FAULT alarm .......................................................... 36
