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Guidelines for installing the boiler in closets or alcoves, including required clearances and materials.
Specifies minimum clearances required around the boiler for safety and service access.
Details requirements for air openings and ventilation for proper combustion and operation.
Specifies requirements for the boiler's installation surface, prohibiting carpeting.
Guidance on routing and terminating vent and air piping systems to ensure proper function.
Lists contaminants to avoid and areas to prevent intake air contamination to protect the boiler.
Procedures and checks for using an existing vent system to install a new boiler.
Instructions for removing an old boiler and handling the new unit from its shipping pallet.
Illustrates sidewall and vertical direct venting configurations for air and vent.
Instructions for installing vent and combustion air piping, including material requirements.
Details approved materials like PVC/CPVC, Polypropylene, and Stainless Steel for venting.
Guidelines for using room air for combustion instead of direct outside air.
Provides tables for air intake and vent piping sizes based on model and length.
Instructions and diagrams for terminating vent and air pipes through a sidewall.
Guidelines for selecting the optimal location for sidewall terminations.
Steps for cutting holes in the wall and mounting termination plates.
Diagrams and instructions for terminating vent and air pipes through a roof.
Guidance on selecting the appropriate roof location for vertical terminations.
Steps for creating roof openings and installing flashing for vent and air pipes.
Describes requirements for closed-loop pressurized systems and air elimination.
Outlines basic steps and components for system piping installation.
Illustrates typical piping configurations near the boiler, including strainers and pumps.
Provides guidance and examples for sizing pumps for the HW generator loop.
Instructions for connecting the gas supply, including unions, drip legs, and shutoff valves.
Procedures for checking gas supply pressure and ensuring proper operation.
Specifies minimum and maximum pressure requirements for natural and propane gas.
Instructions for connecting the primary 120 VAC power to the boiler.
Details connecting low voltage wires to the control board for sensors, thermostats, and inputs.
Covers wiring for system sensors, boiler management, and multi-boiler cascade configurations.
Instructions for connecting the condensate drain line, including neutralization and trap filling.
Steps for filling the system, checking water chemistry, and purging air.
Procedures for checking for gas leaks and verifying gas supply.
Guidance on checking burner flame, combustion analysis, and safety shutoff devices.
Step-by-step guide for safely starting up the boiler and checking its operation.
How to configure and adjust settings for space heating and HW generation.
Instructions for setting the clock and configuring cascade operation.
Explains boiler, control modules, inputs, outputs, and operational features like HW priority.
Details settings like gradient limiting, outdoor reset, night setback, and safety features.
Covers cascade operation, sequence, system sensors, and safety limits.
Describes the Status Screen and Main Menu for user interaction and monitoring.
Outlines tasks for annual start-up and routine maintenance by a qualified technician.
Lists daily, monthly, and periodic maintenance tasks for the owner.
Covers checks for piping leaks, flue vent system, water system, and relief valve.
Procedures for inspecting and cleaning ignition electrodes and checking burner flame.
Detailed steps for cleaning the boiler's heat exchanger.
Safety guidelines for handling insulation materials within the combustion chamber.
Illustrates the electrical logic and connections of the boiler's control system.
Provides a detailed schematic of all electrical connections within the boiler.
General