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Guide for initiating boiler operation and ensuring proper function after installation.
Section providing guidance and requirements specifically for installers.
Lists essential codes and regulations for boiler installations.
Critical safety warning about using the boiler in closed-loop systems only.
Direct instruction for installers on reading and following manual procedures.
Defines the intended user of the manual as qualified installers/technicians.
Critical warning against operating boilers submerged in water.
Critical requirements for selecting the boiler installation location.
Mandatory clearances for service access and related warnings.
Critical warnings regarding venting hazards and approved methods.
Requirements for using indoor air for combustion and ventilation.
Mandatory safety requirement for CO detector installation.
Critical warning about damage caused by improper water chemistry.
Covers piping failure warnings and material restrictions.
Critical safety component installation and inspection requirements.
Piping configurations for systems with circulators, zone valves, and multiple boilers.
Critical safety warning regarding thermostatic mixing valves.
General requirements and hazard warnings for venting systems.
Covers pipe gaskets, support, pitch, and solvent hazards.
CO hazard warning and general venting safety.
Lists approved materials for exhaust and intake vent piping.
Warning about mixing components from different venting systems.
Specifies required clearances for vent terminations.
Warnings about vent blockages and CO detector placement.
Defines maximum equivalent lengths for vent pipes.
Detailed steps for installing vent piping correctly.
Prominent warning about adequate support and pitch of vent piping.
Safety warning about the hazards of carbon monoxide.
Covers electrical shock hazards and compliance with codes.
Wiring instructions for cascade system communication bus.
Critical warnings regarding gas connection hazards.
Procedure for checking inlet gas pressure.
Gas pressure requirements and critical safety warnings.
Warnings about gas conversion and adjustment hazards.
Checks for water chemistry, gas leaks, freeze protection, and filling.
Water chemistry parameters and cleaning recommendations.
Safety procedure for checking for gas leaks.
Procedures for filling the system and performing leak tests.
Detailed steps for condensate removal and piping.
Pre-start checklist including water level and wiring.
Core operational procedure and essential safety precautions.
Step-by-step guide for starting a single boiler unit.
Guide for starting up and operating cascaded boiler systems.
Explains lockout conditions within a cascaded system.
Steps for programming the master and follower boilers in a cascade.
Guidance on pre-operation checks and initiating system operation.
Configuration of the outdoor reset curve for heating.
Procedures for combustion testing and LWCO testing.
How to navigate to and view boiler status screens.
Covers overheating, submersion, and wiring error warnings.
Specific instructions for cleaning the combustion chamber.
How to shut down the boiler and related warnings.
Troubleshooting ignition failures and lockout conditions.
Provides an overview of common warranty exclusions.
Steps for making a warranty claim and contacting HTP.
Legal limitations and disclaimers of the HTP warranty.
General