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DANGER, WARNING, CAUTION, NOTE definitions and specific safety alerts.
Information on detecting gas leaks and odorants.
Warning about chemicals known to cause cancer, birth defects.
Heater operation in low temperature systems and condensation.
Checking for shipping damage, verifying contents, and model identification.
Standards compliance, certifications, and installation guidelines for altitude.
Diagrams and table showing heater component locations and basic data.
Information on water temperature risks and scald prevention.
Required codes, standards, and minimum clearances for installation.
Requirements for supplying combustion and ventilation air for indoor and outdoor units.
Table detailing vent and air inlet termination clearance requirements.
Air filter, direct vent, TruSeal, and conventional air supply methods.
Water piping general, relief valve, gauge, and hydrostatic test procedures.
Handling cold water starts, runs, and bypass valve adjustments.
Pump selection, feedwater regulators, and piping for hydronic heating.
VERSA IC control system applications and modes for Type H units.
Explanation of Mode 2 (System Loop) and Mode 3 (Boiler Loop) for DHW.
Considerations for DHW, space heating, and water quality.
Specifics for pool heating, winterization, and water chemistry.
Safety, connection, and pressure requirements for gas supply.
Codes and requirements for connecting electrical power.
Step-by-step guide for making electrical connections and controller setup.
Guidelines for field wiring, enable/disable, and outdoor sensor connections.
Wiring indirect sensors and optional building control signals.
Wiring for cascade systems, pumps, and sensors.
Heater categories, vent support, and terminal location guidelines.
Venting requirements, extractors, draft inducers, and dampers.
Specific vent termination rules for US installations.
Vent termination for Canada and Category I vertical venting.
Procedures and warnings for common venting systems.
Information on engineered vent systems and common venting.
Installation of Category III horizontal direct venting systems.
Procedures for direct vent-vertical systems, including termination.
Instructions for outdoor units and enabling freeze protection.
Explanation of ignition functions and manual reset high limit.
Description of auto reset high limit, flow switch, and gas pressure switches.
Overview of the user interface, view menu, and initial adjustments.
Table detailing setup and adjustment parameters for the control system.
Table listing items available in the Boiler menu for status and info.
Table listing items available in the Monitor menu for tracking performance.
Overview of toolbox functions and the outdoor reset concept.
Explanation of how to calculate the reset ratio for heating curves.
Steps for filling system, purging air, and inspecting venting.
Preparation, power supply check, and gas pressure measurement.
Procedures for blower check, manifold check, and user test.
Detailed procedure for testing the gas valve for leaks.
Final checks after start-up, including safety controls and thermostat cycling.
Steps for lighting the burner and turning off gas supply.
Understanding MVB error codes, heater errors, and faults.
Listing of PIM™ LED error codes and recommended troubleshooting.
Schedule for daily, monthly, and yearly maintenance tasks.
Weekly, monthly, semi-annual, and annual maintenance procedures.
Instructions for replacing and maintaining the air filter.
Risks of indoor air contamination on the heater and its materials.
MA regulations for gas equipment, CO detectors, signage, and gas pressure.
Overview of warranty scope, heat exchanger coverage, and other parts.
Additional exclusions, parts replacement, and warranty claim process.
General
