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General| Type | Condensing Boiler |
|---|---|
| AFUE | 95% |
| Fuel Type | Natural Gas or Propane |
| Water Connection Size | 2" NPT |
| Efficiency | Up to 95% |
| Vent Connection Size | 4" |
| Vent Type | Direct Vent or Power Vent |
| Vent Diameter | 4" |
Specifies the available models for the Knight XL Commercial Boiler.
Provides a critical warning for installers and users regarding potential hazards.
Defines the meaning of DANGER, WARNING, CAUTION, and NOTICE safety alert symbols.
Outlines essential instructions for installers and users before operation.
Provides safety guidelines for handling ceramic fiber insulation.
Details safety measures for boiler servicing and operational guidelines.
Covers boiler water quality and recommended freeze protection fluids.
Lists the topics covered within the Service chapter.
Lists the topics covered within the Maintenance chapter.
Lists the topics covered within the Troubleshooting chapter.
Illustrates typical system components for boiler piping connections.
Lists parameters for General, Temperature, and Data Logging sections with access levels.
Lists parameters for Functions, DHW, Outdoor Air, Control Modes, and Service Notification.
Details parameters for Boiler Model, User Code, Date/Time, Software, Temperature Units, Setback, and SH settings.
Details parameters for Data Logging, Functions, DHW settings, and Outdoor Air Reset.
Details parameters for Outdoor Air Reset, including temperature settings and shutdown.
Details parameters for Boost Temperature, Boost Time, Anti-cycling Time, and Inlet Temperature Differential.
Details parameters for SH controlling sensor, SH source, Cascade Address, and Max. Cascade Set Point.
Details parameters for pump delays and service notification settings.
Outlines the service and maintenance schedules for technicians and owners.
Procedure for identifying and correcting issues reported by the owner.
Instructions for inspecting the boiler area and its interior components.
Details on cleaning the condensate trap and checking piping for leaks.
Instructions for inspecting the flue vent system and air piping for blockages or damage.
Covers checks for the water system, pressure, air vents, and expansion tank.
Procedure for inspecting and testing the boiler relief valve.
Details on inspecting, cleaning, and replacing ignition and flame sense electrodes.
Covers checking ignition ground wiring, boiler wiring, and control settings.
Procedures for performing start-up checks and inspecting the burner flame.
Guidance on checking the flame signal and troubleshooting low flame signals.
Covers reviewing the manual with the owner and seasonal shutdown/startup procedures.
Lists necessary tools and initial checks before starting troubleshooting.
Procedure for checking and replacing control module fuses.
Lists CO2 and O2 specifications for Natural Gas and Propane flue products.
Identifies causes and corrective actions for improper combustion levels.
Procedure for adjusting the gas valve throttle screw on Model 399.
Procedure for adjusting the gas valve throttle screw on Models 500 and 600-800.
