Reznor NUDX45 Manuals

Manuals and User Guides for Reznor NUDX45. We have 1 Reznor NUDX45 manual available for free PDF download: Installation, Operation And Maintenance Manual

Reznor NUDX45 Installation, Operation And Maintenance Manual

Reznor NUDX45 Installation, Operation And Maintenance Manual (44 pages)

GAS-FIRED UNIT HEATER

Brand: Reznor | Category: Heater | Size: 2 MB

Table of Contents

Table of Contents
2
General Information

3
- References
  3
- Important Safety Information
  4
- Warranty
  4
- Model Configuration
  4
- Certification
  5
- Installation Codes
  5
- Heater Location
  5
- Dimensions
  8
- Clearances
  10
- Weights
  11
- Combustion Air Requirements
  11
Installation

12
Controls

19
- Pressure Switch
  19
- High Temperature Limit Control
  21
- Flame Rollout Switch (UDX and UDZ Model Unit Sizes 030-125)
  21
- Interlock Door Switch (UBZ and UDZ Models)
  21
- Combination Gas Valve
  21
- Fan Motor
  21
- Venter Motor
  21
- Thermostat Options
  22
- Circuit Board (DSI Control Module)
  22
Operation

23
- Pre-Startup Checklist
  23
- Startup
  23
- Operating Sequences
  25
- Vent System Testing
  27
- Post-Startup Checklist
  28
Adjustments

28
- Pressure Switch Replacement
  28
- Measure and Adjust Manifold (Outlet) Gas Pressure
  29
  - Measure and Adjust Manifold Gas Pressure-Elevation ≤2,000 Feet (≤610 Meters)
    29
  - Measure and Adjust Manifold Gas Pressure-Elevation >2,000 Feet (>610 Meters)
    31
Maintenance

33
- Service Checklist
  33
- Maintenance Procedures
  33
Troubleshooting

40
- General Troubleshooting
  40
- Unit Troubleshooting Using DSI Control Module
  42
Installation Record (to be Completed by Installer)

44

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