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Installation must conform to local authority requirements and national codes.
Explanation of warning, caution, and notice symbols used in the manual.
Information about the manufacturer RBI WATER HEATER.
Details on model designations and their specifications.
Defines the proper applications for IB boilers and IW water heaters.
Details on how outdoor reset optimizes boiler efficiency.
Guidelines for selecting an appropriate installation site.
Precautions and requirements for installing in residential garages.
Requirements for installing the heater in closets or alcoves.
Minimum clearances required for installation and servicing.
Specifications for clearances from combustible materials.
Requirements for vent and combustion air piping.
Ensuring combustion air is free from contaminants.
Instructions and warnings for safely moving the heater unit.
Step-by-step guide for physically installing the heater.
Diagrams showing physical dimensions for heater models.
Details on connecting the IB boiler to water supply and return lines.
Guidance on proper piping for supply and return water connections.
Information and safety warnings regarding the relief valve.
Requirements for expansion tanks and makeup water.
Details on installing and connecting local and CH pumps.
Guidelines for sizing pumps, piping, and components for heating systems.
Piping recommendations for indirect water heaters.
Details on connecting the IW water heater to water lines.
Instructions for installing hot and cold water piping.
Safety warnings and requirements for the relief valve.
Requirements and sizing for expansion tanks.
Details on installing and connecting the circulator pump.
Guidelines for sizing pumps, piping, and system components.
Recommendations for sizing storage tanks for DHW.
Information and warnings about scalding hazards.
Guidelines for water quality and its effect on the system.
Procedures and requirements for handling condensate.
General safety and compliance guidelines for electrical connections.
Steps for connecting the main power supply cable.
Instructions for wiring a room thermostat to the IB boiler.
Guide for installing the outdoor temperature sensor.
Details on connecting to a 0-10Vcc analog input.
Information on connecting to the MODBUS interface.
Steps to connect the IB boiler to an indirect water heater.
Guide for connecting the IW water heater to a storage tank.
Instructions for connecting multiple heaters in a cascade system.
Procedures for safely removing a heater from a common vent system.
Ensuring combustion air is free from contaminants.
Guidelines for proper venting and air piping installation.
Specifications for vent and air piping lengths.
Instructions for installing vent and combustion air piping.
Approved materials for air inlet pipes.
Specifications for PVC/CPVC vent piping materials.
Specifications for stainless steel vent piping materials.
Specifications for polypropylene vent piping materials.
Instructions for single pipe venting systems.
Guidelines for sidewall termination of two-pipe vent systems.
Instructions for concentric vent sidewall termination.
Guidelines for vertical termination of two-pipe vent systems.
Instructions for concentric vent vertical termination.
Detailed instructions for connecting the gas supply piping.
Guidelines for sizing natural gas pipe.
Information on propane gas supply and sizing.
Procedure for checking inlet gas supply pressure.
Adjustments for operating the heater at high altitudes.
Steps for converting the model 199 between gas types.
Steps for converting models 399-1000 between gas types.
Instructions for initial operation and user guidance.
Important safety warnings regarding gas supply.
Verifying the gas type and supply pressure settings.
Procedure for converting the heater to a different gas type.
Procedures for starting up the IB boiler and IW water heater.
Testing the safety shutoff function of the ignition control.
Detailed steps for checking gas supply pressure.
Procedure for checking and adjusting CO2 levels for optimal combustion.
How to check the heater's capacity input.
Information on the minimum water flow requirements.
Procedures for checking water pressure in the system.
General overview of the heater's parameters and display.
Explanation of what the display shows during operation.
Step-by-step guide for starting up the unit.
How to adjust the hot water supply temperature for IW heaters.
Adjusting the temperature for indirect water heaters connected to IB boilers.
Adjusting the heating water temperature for IB boilers.
Configuring outdoor reset for optimized heating performance.
Explanation of built-in timings for appliance protection.
Measures to protect circulator pumps from seizing.
How the heater's freeze protection function works.
Information on the display's behavior in energy saver mode.
Accessing and understanding the user menu parameters.
Navigating and adjusting parameters in the installer menu.
Overview of diagnostic information displayed by the unit.
Troubleshooting guide for lockout errors.
Troubleshooting guide for blocking errors.
Information on the flue blocked pressure switch function.
Procedure for shutting down the heater.
Instructions for cleaning the exterior jacket of the appliance.
Overview of maintenance responsibilities for users and technicians.
Procedure for checking gas piping for leaks.
Inspecting flue and air lines for proper condition and sealing.
Verifying system water pressure and components.
Ensuring control settings are correct for operation.
Inspecting ignition and flame sensors.
Verifying the condition and security of wiring.
Performing a combustion test and checking operating pressure.
Inspecting the flame for proper appearance.
Checking the flame signal for troubleshooting.
Procedure for inspecting and testing the relief valve.
Ensuring the heater area is clear of contaminants.
Verifying the reading on the pressure gauge.
Inspecting the vent piping for obstructions or leaks.
Inspecting the air piping for obstructions or leaks.
Inspecting the condensate drain system for leaks.
Inspecting gas and water piping for leaks.
Instructions for safely shutting down the heater.
Testing the low water cutoff device.
How to reset the low water cutoff.
Steps for removing the heater's casing for access.
Procedure for cleaning the burner and heat exchanger.
Ensuring correct placement of ignition and flame sensors.
Procedure for cleaning the air filter.
Maintenance and cleaning of the condensate system.
How to connect the display to different burners.
Procedure for moving or replacing a control board.
Steps for draining water from the heater.
Information on water and flue temperature sensors.
Details on the outdoor temperature sensor.
Wiring diagram for model 199.
Wiring diagrams for models 399 to 1000.
General