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Explains DANGER, WARNING, CAUTION, NOTE, BEST PRACTICES.
Lists the accessory parts kit included with the boiler.
Installer duties, site prep, and avoiding contaminants.
Proper boiler placement and secure mounting guidelines.
Boiler types, input ranges, venting options, and connections.
Acceptable ambient conditions and location requirements.
Requirements for combustion air quality and avoidance of contaminants.
Proper boiler placement and secure mounting guidelines.
Importance of planning vent materials, travel, and termination.
Rules for removing boilers from common venting systems.
Approved vent materials (PPs, CPVC) and temperature limits.
Recommended and allowed vent materials for USA installations.
Details on sidewall direct vent setup and clearances.
Instructions for installing and maintaining the condensate trap.
Boiler trim, piping connections, and water quality.
Diagram and explanation of boiler trim components.
Important considerations for primary/secondary piping systems.
Instructions for connecting the boiler to the 120VAC power supply.
Recommendations for surge protectors and power conditioning.
Wiring instructions for using zone valves instead of pumps.
Connecting thermostats and sensors for temperature control.
Connections for auxiliary interlocks, sensors, and external controls.
Overview of the V-10 Touch Screen controller features.
Instructions for safely starting and stopping the boiler.
Essential checks before igniting the boiler.
Procedure to test the ignition safety shutoff device.
General care and inspection guidelines for boiler maintenance.
Keeping the boiler area clear and vent terminals unobstructed.
Checks and cleaning for vent terminals and intake air filters.
Checking and cleaning condensate traps.
Inspecting heat exchanger tubes for fouling or deposits.
Checking pump operation and water temperature differential.
Verifying boiler operation and checking logs via the controller.
Checking water pressure, temperature, and piping.
Guidelines for using antifreeze in hydronic systems.
Checking boiler treatment consistency and density.
Function and installation of the fan/blower.
Function and adjustment of the gas valve.
Function and installation of the ignition module.
Function and installation of the differential pressure sensor.
Function and installation of the water pressure sensor.
Function and installation of the high limit switch.
Function and installation of the control transformer.
Function and installation of temperature sensors.
Step-by-step guide to remove the fan coupler.
Detailed steps for removing the fan and fan coupler assembly.
Alternative method involving gas inlet piping disassembly.
Instructions for reassembling components after service.
Initial checks to diagnose boiler issues.
Troubleshooting temperature sensors and resistance values.
Troubleshooting the fan/blower operation and signals.
Troubleshooting the differential air pressure sensor.
Troubleshooting the water pressure sensor.
Troubleshooting the hi-limit switch.
Diagnosing and resolving errors shown on the control module.
Troubleshooting common ignition issues.
Diagnosing and resolving rapid cycling issues.
Troubleshooting insufficient heat and temperature issues.
Troubleshooting fumes, errors, and DHW heating.
Exploded view diagrams of VFC 15-150 boiler components.
Exploded view diagrams of VFC 45-225 boiler components.
General
