Thomas & Betts RZ-NA 441-OMS User Manuals

Table of Contents

• Configuration

  2
• Maintenance Schedule

  2
• Maintenance Schedule

  2
• Maintenance Section

  2
• Maintenance/Service Access

  2
• 1A. Blower Bearings

  3
• 1B. Blower Belts

  3
• 2. Filters

  3
• 3. Manifold Gas Pressure

  3
• Filters

  3
• Gas Pressure

  3
• 4. Air Pressure

  4
• 6. Main Burner and Pilot Assembly

  4
• Air Pressure

  4
• Pilot Assembly

  4
• Main Burner

  4
• •Manual Reset Limit Control

  5
• Controls - Location

  5
• Diagnostic Lights

  5
• Operation/Service Section

  5
• Limit Control

  5
• Diagnostic Lights

  5
• 9. Air Pressure Switches

  6
• •Low Air Flow Switch

  6
• •High Air Flow Switch

  6
• Flow Switches

  6
• 10. Ignition System

  6
• Air Pressure Switches

  6
• Sensing Pressure Check

  6
• Emergency Cut Off

  6
• Pressure Switches

  7
• •Direct-Fired Burner

  7
• AG33, AG35, AG36

  7
• Option AG37

  7
• Gas Control Systems

  7
• •Manifold Arrangements

  8
• •Gas Pressure Switches

  8
• 12. Outside Air Ambient Cutoff

  8
• Outside Air Cutoff Control

  8
• Gas Pressure Switches

  8
• 13. Door Switch

  9
• 14. Inlet Air Controls

  9
• •Air Flow Dampers

  9
• •Damper Motor

  9
• •Potentiometer

  9
• •Pressure Null Switch

  9
• Inlet Air Controls

  9
• Potentiometer

  9
• Pressure Null Switch

  9
• Burner, Gas Control Systems, •Photohelic Pressure Switch

  10
• 15. Dirty Filter Switch

  10
• 16. Photoelectric Smoke Detector

  10
• 17. Firestat

  10
• 18. Freezestat

  10
• Firestat

  10
• Freezestat

  10
• Photoelectric Smoke Detector

  10
• Photohelic Pressure Sensor

  10
• 19. Troubleshooting

  11
• Troubleshooting

  11
• Index

  12