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Essential safety and handling instructions before operating or servicing the boiler.
Safety guidelines for handling ceramic fiber insulation, including respiratory protection.
Safety advice for servicing, including cooling and power disconnection.
Key points for safe and efficient boiler operation to prevent hazards.
Recommendations for boiler water quality and maintenance to prevent damage.
Guidance on selecting and using appropriate antifreeze for hydronic systems.
Summary of the manual's sections: Service, Maintenance, and Troubleshooting.
Illustration of a typical piping scheme essential for SMART SYSTEM control.
Details the components and functions of the FTXL display and its navigation controls.
Diagram showing various sensors and switches connected to the control module.
Diagram showing components controlled by the SMART SYSTEM control module.
Explains the basic operation of the FTXL boiler and its electronic control module.
Differentiates user and installer access levels and parameter saving procedures.
Details normal operational sequences for space heating and DHW calls.
Continues the description of normal operational sequences for various boiler states.
Step-by-step guide to navigating and accessing menus on the display panel.
Demonstrates accessing and adjusting specific parameters via the display panel.
Continues the procedure for accessing and modifying parameters using the display panel.
Lists available parameters, their descriptions, and access methods for user/installer.
Continues the parameter table, covering DHW settings and outdoor reset parameters.
Continues the parameter table, detailing control modes and Building Management System (BMS) parameters.
Continues the parameter table, covering circulation pumps and service notification settings.
Introduces parameters that can be viewed or modified by users and installers.
Details parameters like Vacation Mode, Time/Date, Software Version, and Temperature Units.
Explains parameters for Space Heating (SH) set points, minimums, maximums, and offsets.
Covers service mode delay, freeze protection, and DHW settings.
Details parameters for DHW tank set point, differentials, and boiler set points.
Explains DHW type configuration and switching times between SH and DHW demands.
Describes how to configure outdoor reset parameters for temperature control.
Illustrates the relationship between outdoor temp and boiler water set points.
Explains boost features and anti-cycling parameters for burner and pump protection.
Details ramp delay settings and sensor selection for control modes.
Covers cascade addressing, set points, offsets, and differentials for multi-boiler systems.
Explains cascade types (L/L, EFF), minimum on/off times, and pump control.
Details programming boiler sizes for proper operation within a cascade system.
Covers boiler control via BMS inputs, types, and voltage settings.
Explains parameters for system, boiler, and DHW pump delays and anti-seize functions.
Details settings for scheduling and triggering maintenance reminders based on time or cycles.
Covers basic setup parameters and procedures for copying files via USB.
Outlines routine maintenance tasks for service technicians and owners.
Procedures for inspecting and rectifying issues reported by the boiler owner.
Inspecting the boiler area and interior for safety and cleanliness.
Instructions for inspecting and flushing the condensate trap for proper drainage.
Emphasizes checking all piping for leaks to prevent system damage and reduce makeup water.
Inspecting flue gas venting and air piping for obstructions and leaks.
Verifying system components, cold fill pressure, and air vents.
Inspecting expansion tanks and testing boiler relief valves for safety and operation.
Cleaning and checking ignition and flame sense electrodes for optimal performance.
Verifying boiler wiring integrity and checking control module settings.
Procedures for initial boiler start-up and performance verification.
Monitoring flame signal strength and troubleshooting low signal indications.
Reviewing manual information with owner and cleaning the boiler heat exchanger.
Detailed steps and materials for cleaning the boiler heat exchanger.
Procedure to test boiler response to restricted water flow for safety.
Guide to locating, checking, and replacing fuses on the control module.
Identifies causes and corrective actions for a non-functional display.
Provides resistance values for various sensors to aid in troubleshooting.
Lists causes for system noise and corresponding corrective actions.
Addresses problems with boiler, system, and DHW pump operation.
Explains faults for Gas Pressure, Flow/LWCO, Blocked Drain, and Too Many Recyclings.
Explains faults for Anti-cycling and Flame Fail Ign, including corrective actions.
Explains faults for Flame Sequence, Outlet ARHL, and Outlet MRHL.
Explains faults for Outlet MRHL (cont'd), Fan Speed, and Sensor Faults.
Explains faults for Louver Proving, Outlet Temp Diff, Flue Temp Limit, Fatal Error, Memory Error.
Explains faults for Flue Temp High, Delta T High, and Outlet Temp High.
Explains faults for Low 24 vac, Watch Dog Error, Write EEProm, CRC Parameters, No Error Stored.
Step-by-step guide for performing combustion analysis on the boiler.
Lists expected CO2 and O2 ranges for natural gas and propane combustion.
Lists possible causes and corrective actions for combustion level issues.
Model-specific instructions for adjusting the gas valve for optimal combustion.
General