Lochinvar 725 Manuals

Manuals and User Guides for Lochinvar 725. We have 1 Lochinvar 725 manual available for free PDF download: Service Manual

Lochinvar 725 Service Manual

Lochinvar 725 Service Manual (52 pages)

Brand: Lochinvar | Category: Boiler | Size: 13 MB

Table of Contents

Contents

2
Please Read before Proceeding

3
1 SERVICE Near Boiler Piping

6
- The FTXL Display
  7
  - Control Inputs
    8
  - Control Outputs
    9
  - General Operation
    10
  - Access Modes
    10
- Sequence of Operation
  10
- Display Panel Menu Access
  13
- Display Panel Parameter Access
  14
- Parameter Table
  16
- Viewable and Changeable Control Parameters
  20
  - Temperature Settings
    21
  - Data Logging
    21
  - Outdoor Reset
    23
  - Circulation Pumps
    29
2 Maintenance

31
- Maintenance and Annual Startup
  31
  - Inspect Boiler Area
    32
  - Check Expansion Tank
    33
  - Check Boiler Relief Valve
    33
  - Check Burner Flame
    34
  - Check Control Settings
    34
  - Check Flame Signal
    35
  - Review with Owner
    35
  - Cleaning Boiler Heat Exchanger
    35
3 Troubleshooting

37
- Before Troubleshooting
  37
- Check Control Module Fuses
  37
- Corrective Action
  38
- Checking Temperature Sensors
  39
- Combustion Analysis Procedure
  47
- Gas Valve Adjustment Procedure
  49
- Revision Notes
  52

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