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General| Brand | Rinnai |
|---|---|
| Model | REU-KB2530FFUD-US |
| Category | Water Heater |
| Language | English |
Explains safety alert symbols and their meanings.
Outlines essential safety rules for users and installers to prevent hazards.
Details the necessary skills and certifications for qualified installers.
Provides overarching rules and prohibitions for appliance installation.
Specifies the approved installation environments for the appliance.
Lists components provided with the water heater unit.
Lists essential tools required for installation.
Addresses air quality and corrosive compound considerations for installation sites.
Explains the impact of water quality on the heat exchanger and warranty.
Details minimum clearance distances for vent terminals based on location.
Specifies minimum clearances for outdoor vent terminal installations.
Provides specific guidance for locating vent terminations.
Lists clearance requirements for indoor models.
Lists clearance requirements for outdoor models.
Offers advice on protecting the unit and piping from freezing.
Guides the calculation of maximum vent length based on elbows.
A checklist to ensure the chosen location meets all requirements.
Step-by-step instructions for securely mounting the water heater to a wall.
Instructions on how to safely remove the front panel for access.
Lists certified manufacturers and their venting products for indoor units.
Prohibits specific materials and methods for vent system installation.
Mandates essential requirements for a compliant vent system.
Illustrates horizontal and vertical flue termination for concentric venting.
Shows diagrams for horizontal and vertical termination with Centrotherm venting.
Details the installation of the specific adaptor for twin pipe systems.
Lists approved materials for PVC/CPVC vent and air piping.
Provides a method for calculating total equivalent vent length using a worksheet.
Tables showing maximum vent lengths for natural gas units based on elbows.
Tables showing maximum vent lengths for propane units based on elbows.
Step-by-step guide for installing the Ubbink adaptor.
Illustrates configurations for 3" and 4" PVC/CPVC adaptor installations.
Describes three main types of PVC/CPVC vent terminations.
General instructions for installing vent terminations.
Specific installation guidance for the IPEX Concentric Vent Kit.
Shows diagrams and minimum distances for IPEX CVK terminations.
Outlines the sequential steps for installing the vent system.
Details kits and installation for low profile terminations.
Covers termination guidelines for twin pipe PVC/CPVC systems.
Provides guidance for through-roof installations with multiple units.
Offers basic steps for properly cementing vent pipe joints.
Provides physical data for the Ubbink adaptor.
Shows acceptable and unacceptable elbow types for vent systems.
Lists termination components and their assigned equivalent lengths.
Explains how to use the vent length calculation sheet.
Verifies correct venting and condensate drain installation.
Details the mandatory requirements for pressure relief valves.
Recommends installing isolation valves for easier maintenance.
Outlines general requirements for water piping connections.
Step-by-step guide for installing isolation valves.
Detailed steps for correctly installing the pressure relief valve.
Provides guidance on the annual maintenance of the pressure relief valve.
Explains the symbols used in the basic piping diagram.
A checklist to ensure proper plumbing connections and safety.
Key safety and procedural points for gas supply installation.
Tables to determine the correct gas pipe size based on length and type.
Emphasizes the importance of proper electrical grounding according to codes.
Guides adjustment of DIP switches for optimal performance at different altitudes.
Instructions for adjusting DIP switch for vent length compliance.
Verifies all gas and electrical connections are correctly made and safe.
Advises on optimal placement for temperature controllers.
Specifies maximum cable lengths and gauge for controller wiring.
Explains controller connection options and limitations.
Provides detailed steps for mounting the temperature controller.
A comprehensive checklist to ensure all installation steps are completed correctly.
Lists detailed technical specifications for the water heater models.
Provides diagrams and measurements of the water heater unit.
Illustrates the relationship between water flow rate and pressure loss.
Shows how water flow rate changes with temperature rise.
Presents the electrical schematic for the appliance's control system.
Details specifications for recirculation pumps and sizing guidelines.
Step-by-step instructions for installing a recirculation pump.
Explains the operational sequence for recirculation modes.
Describes the operation and energy savings of Economy mode.
Details the operation of Comfort mode for faster hot water delivery.
Key information regarding the safe operation and handling of the water heater.
Step-by-step guide for safely starting and operating the water heater.
Procedures for safely shutting off the gas supply to the unit.
Guidance on selecting a location and physical dimensions of the controller.
Explains features like mute and basic operation of the controller.
Step-by-step instructions on how to adjust the water temperature setting.
Lists available temperature settings with and without controllers.
Details alternative temperature settings available via DIP switches.
Explains the default temperature settings without a controller.
How to enable or disable audible beeps from the controller.
Instructions for locking and unlocking the controller display.
How to retrieve and view diagnostic information from the controller.
A table listing codes and their corresponding data/units.
Provides remedies for specific diagnostic codes encountered during operation.
Step-by-step guide for cleaning the appliance's internal and external components.
Notes on motor lubrication and cleaning requirements.
How to clean the temperature controller using appropriate materials.
Addresses issues related to scale buildup and refers to flushing procedures.
Advises on keeping vent terminals clear of snow and ice.
Instructions for cleaning the water inlet filter.
Guidance on safely operating the pressure relief valve annually.
How to visually inspect the burner flame for proper operation.
Recommendations for protecting the water heater from freezing damage.
Steps for preparing the unit for winter shutdown or extended non-use.
Procedures for shutting off gas and water supplies for winterizing.
How to disconnect electrical power to prevent surge damage.
Advice on covering vent terminals to prevent entry of debris.
Step-by-step guide for flushing the heat exchanger using vinegar.
Instructions for manually draining the water heater for storage or freeze prevention.
Method to prevent freezing by circulating low water flow.
Steps to take if the unit or external piping has frozen.
Specific regulations for gas-fueled equipment installations in MA.
Lists common replacement parts with their corresponding Tech Sheet item numbers.
Details conditions for extending labor warranty for residential use.
Outlines conditions for extending labor warranty for commercial use.
Explains the duration of warranty coverage for different components.
Describes Rinnai's process for handling warranty repairs or replacements.
Steps to follow to get service under the limited warranty.
Lists conditions and issues not covered by the limited warranty.
Details limitations on implied warranties and liability for damages.
