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Information on the manual's purpose and target audience.
Explains danger levels (DANGER, WARNING, CAUTION) and notice symbols.
Lists codes and regulations for installation and safety.
Safety guidelines for electrical work and installation procedures.
Safety guidelines for the boiler room environment and air supply.
Lists necessary tools and useful components for installation and maintenance.
Instructions for environmentally friendly disposal of waste and components.
Describes the intended uses of the boiler for heating applications.
Details the components of the G125 BE boiler and their functions.
Provides dimensions and technical specifications of the boiler.
Emphasizes following operating requirements for boiler longevity and performance.
Details specific operating requirements for different control systems and water temperatures.
Specifies environmental conditions for the boiler room including temperature, humidity, and air quality.
Outlines required cross-sectional areas for combustion air inlets based on boiler capacity.
Specifies the permitted fuel type and required annual service for the burner.
Details electrical requirements including voltage, frequency, and protection.
Covers operating pressure, test pressure, and water quality standards for the system.
Lists components included in the boiler package and their quantities.
Instructions on how to reduce boiler weight by removing components like the cover and door.
Guidelines for safely lifting and carrying the boiler using designated hand grips.
Instructions for using a boiler cart for moving the unit, including securing it.
Specifies required clearances around the boiler for proper installation and ventilation.
Detailed steps for reversing the direction of the burner door swing for access.
Guidance on installing and leveling the boiler using its screw-in feet.
Final steps for positioning and leveling the boiler in its designated location.
Covers the installation of various venting systems, including options and safety warnings.
Details vertical venting options like masonry chimneys and liners, and their requirements.
Specific instructions for installing a 5" liner in a masonry chimney.
Guidelines for vertical vent pipe installation, including supports and clearances.
Information on horizontal venting systems, including terminations and pipe requirements.
Rules and minimum clearances for locating exhaust wall terminations.
Steps for installing the Aerocowl AT-4 and Concentric FT-4 exhaust terminations.
Critical instructions for sealing vent pipe joints to prevent flue gas leaks.
General rules for vent pipe installation, including slope and avoiding dips.
Detailed steps for installing insulated flexible oil vent pipe and connections.
Instructions for installing galvanized vent pipe, clearances, and condensation prevention.
Guidelines for ensuring adequate combustion air supply and room requirements.
Conditions for drawing combustion air from the room, meeting NFPA 31.
Requirements for fresh air intake piping from outdoors and its maximum length.
Rules for locating air intake terminals relative to exhaust and building features.
Instructions for connecting water piping to the boiler, including supply manifold.
Steps for installing the B-Kit, including manifold, relief valve, and gauge.
How to install the boiler drain valve into the EL tapping.
Guidance on installing near-boiler components using provided diagrams.
Procedure for hydrostatically testing the system and checking for leaks.
Instructions for installing the oil line and the Tigerloop filter with mounting bracket.
General safety for electrical work and specific installation of control systems.
Steps for installing the Aquasmart control system as per manufacturer's instructions.
Detailed steps for installing the control panel, wiring, and knock-outs.
How to install temperature sensors and route burner cables to the control panel.
Routing electrical wiring through the top cover and grounding the unit.
Securing electrical wiring using provided plastic cable ties.
Installing the control top cover and rear panel onto the boiler.
Procedures for setting the system pressure during the initial start-up.
Steps to check the functionality of the pressure relief valve during start-up.
Verifying flue baffle plate position for room air operation before start-up.
Steps to prepare the system, including opening fuel valve and turning on power.
Instructions for starting the boiler control and burner according to manual.
Recommendations for initial burner start-up, testing, and combustion checks.
How to adjust stack temperatures for optimal performance and prevent condensate.
Detailed steps for adjusting or removing flue baffles to influence stack temperature.
Instructions on removing the flue blocking plate to increase stack temperature.
Procedure for testing the manual reset high limit safety control.
How to install the front burner cover for safety and protection.
A checklist for the detailed boiler start-up process, including checks and documentation.
Steps for safely shutting down the boiler during normal operation using controls.
Procedures for emergency shutdown in case of fire or other critical issues.
Explains the benefits of regular boiler maintenance for efficiency and reliability.
Safety precautions and steps to prepare the boiler before performing cleaning procedures.
Overview of boiler cleaning methods, including brushing and wet cleaning.
Detailed instructions for cleaning the boiler's flue passages and combustion chamber with brushes.
Instructions for performing wet cleaning of the boiler using suitable cleaning agents.
Procedure for inspecting and cleaning the combustion air hose in sealed combustion systems.
How to check and maintain the system pressure, and address low pressure issues.
How to test the functionality of the pressure relief valve periodically.
A checklist for performing routine inspection and maintenance tasks.
Explains how to identify and reset burner or control lock-outs for system recovery.
Illustrates different piping configurations, zone valve setups, and component abbreviations.
Lists available spare parts for the boiler block, burner door, and other components.
Provides wiring diagrams for the G125BE/GB125BE oil fired burner with control systems.
Alphabetical list of terms used in the manual with corresponding page references.
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General