
Table of Contents 2
Figure 9 - Battery Backup (P/N 096-0719)......................................................................................................19
Outline & Interconnection Wiring...................................................................................................................19
SYSTEM OPERATION..................................................................................................................20
General..............................................................................................................................................................20
Display Readings .............................................................................................................................................20
Visual Indications (LEDs)................................................................................................................................20
Current Loops ..................................................................................................................................................21
Current Loop Outputs .....................................................................................................................................22
Alarm and Relay Operation.............................................................................................................................22
Figure 10 - Alarm Set For Increasing or Decreasing Gas Concentrations ...............................................23
Latching Alarms ...............................................................................................................................................24
Energized Relays (Fail Safe) ...........................................................................................................................24
Common Alarm Relays....................................................................................................................................24
Fail Relay ..........................................................................................................................................................25
Horn and Horn Relay .......................................................................................................................................26
Inhibiting Alarms..............................................................................................................................................26
Sensor Damping Constant..............................................................................................................................27
Zero DB .............................................................................................................................................................27
SETUP AND PROGRAMMING .....................................................................................................28
Power Up...........................................................................................................................................................28
Programming Setup.........................................................................................................................................30
SECURITY MENU .............................................................................................................................................31
SYSTEM MENU.................................................................................................................................................35
CHANNEL MENU..............................................................................................................................................40
OPTIONAL REMOTE RELAYS.....................................................................................................52
General..............................................................................................................................................................52
Specific .............................................................................................................................................................52
Summary of Contents for QuadScan II 7400
Page 10: ...5 of 116 Quick Start Programming Menu Tree...
Page 20: ...15 of 116 Figure 5 Mounting Dimensions of Model 7400...
Page 24: ...19 of 116 Figure 9 Battery Backup P N 096 0719 Outline Interconnection Wiring...
Page 60: ...55 of 116 Figure 13 Interconnect Wiring Between 7400 Remote Relay Assembly...