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General| Category | Boiler |
|---|---|
| Brand | Lochinvar |
| Model | KNIGHT 400 - 801 |
| Type | Condensing Boiler |
| Efficiency | Up to 98% |
| AFUE | 95% |
| Heat Exchanger Material | Stainless Steel |
| Vent Type | Direct Vent |
| Vent Material | PVC/CPVC |
| Modulation Ratio | 5:1 |
| Gas Type | Natural Gas or Propane |
| Input Capacity | 400, 000 - 800, 000 BTU/hr |
| BTU Input (KNIGHT 400) | 400, 000 BTU/hr |
| BTU Input (KNIGHT 801) | 800000 BTU/hr |
| Dimensions | Varies by model |
| Weight | Varies by model |
Important instructions and warnings before operating or servicing the boiler.
Guidelines for safely handling ceramic fiber materials used in the boiler.
Summary of the manual's content and structure.
Describes the piping configuration around the boiler for proper operation.
Details the functions of the boiler's display panel and its controls.
Lists and illustrates the various inputs to the boiler's control module.
Lists and illustrates the various outputs controlled by the boiler's module.
Explains how the boiler operates and how the control module functions.
Procedure for navigating and accessing menus on the boiler's display panel.
Steps for accessing and modifying parameters via the boiler's display panel.
Comprehensive list of SMART SYSTEM control module parameters and access levels.
Schedules and procedures for routine maintenance and annual startup.
Steps to identify and correct issues reported by the owner.
Checks for safety and cleanliness in the area surrounding the boiler.
Procedure for inspecting the internal components of the boiler.
Instructions for cleaning and refilling the boiler's condensate trap.
Procedure for checking all system and boiler piping for leaks.
Inspection of the flue gas venting and air piping for blockages or damage.
Verification of system components, pressure, and air vents.
Inspection and understanding of the boiler's expansion tank function.
Inspection and testing procedures for the boiler's safety relief valve.
Procedure for inspecting and cleaning ignition and flame sense electrodes.
Verifies the condition and continuity of the ignition ground wiring.
General check of all boiler wiring for condition and security.
Review and adjustment of SMART SYSTEM control module and external limit settings.
Instructions for performing boiler start-up and operational checks.
Visual inspection of the burner flame for proper operation.
Verifies the flame signal strength for proper burner operation.
Discusses manual operation, maintenance schedules, and system behavior with the owner.
Detailed steps for cleaning the boiler's heat exchanger.
Lists necessary tools and pre-checks before starting troubleshooting.
Procedure to check and replace control module fuses.
Identifies causes and corrective actions for a 'No Display' fault.
Explains how to check boiler temperature sensors using resistance tables.
Identifies causes and corrective actions for noisy operation.
Lists fault messages and their corresponding corrective actions.
Step-by-step guide for performing a combustion analysis.
Lists possible causes and corrective actions for incorrect combustion levels.
Procedures for adjusting the gas valve on different boiler models.
