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General| Type | Tankless |
|---|---|
| Fuel Type | Natural Gas or Propane |
| Maximum Flow Rate | 6.5 GPM |
| Energy Factor | 0.82 |
| Weight | 46 lbs |
| Minimum BTU Input | 15, 000 BTU/h |
| GPM at 35°F Rise | 6.5 GPM |
| GPM at 45°F Rise | 5.1 GPM |
| GPM at 70°F Rise | 3.3 GPM |
| Temperature Range | 98°F to 140°F |
| Warranty | 12 years on heat exchanger, 5 years on parts |
| Maximum BTU Input | 150, 000 BTU/h |
| Ignition Type | Electronic |
| Vent Diameter | 3 inches |
Explains hazard alert symbols (DANGER, WARNING, CAUTION).
Skills required for professional installation and warranty implications.
Key DO NOTs and MUST DOs for appliance installation.
Lists parts, tools, and materials needed before starting installation.
Factors to consider for selecting a proper installation site for the water heater.
Specifies required clearances for vent termination for indoor models.
Details specific clearance requirements for V75i and V65i models.
Details specific clearance requirements for V75e and V65e models.
Table of clearances to combustibles and non-combustibles for indoor and outdoor models.
Guidelines and table for determining maximum vent length based on elbows.
A checklist to verify critical factors before choosing an installation location.
Instructions and tips for securely mounting the water heater to a wall.
Steps to safely remove the front panel for access to internal components.
Guidelines for installing approved venting systems for indoor models.
Diagrams and instructions for horizontal and vertical flue termination for indoor models.
Procedures to prevent condensate damage in high-efficiency direct vent appliances.
A checklist to ensure proper installation of venting and condensate systems.
Requirements for installing pressure relief valves, isolation valves, and general piping.
Illustrative diagram showing basic plumbing connections for the water heater.
Steps for connecting the water heater to the building's hot and cold water supply.
A checklist to ensure plumbing connections are correct and leak-free.
Critical safety warnings and instructions for installing the gas supply.
Guidance and tables for selecting the correct gas pipe size based on type and length.
Instructions for safely connecting the water heater to a grounded electrical source.
How to set DIP switches for optimal performance at different altitudes.
Instructions on adjusting switch 1 for specific vent lengths.
A checklist to verify correct gas and electrical connections and settings.
Guidance on installing and configuring the temperature controller and its accessories.
Step-by-step guide for physically mounting the controller on a wall.
A comprehensive checklist to ensure all installation steps are completed correctly.
Detailed specifications for different Rinnai models, including performance and electrical data.
Provides detailed physical dimensions and connection port locations for the water heaters.
Illustrates the relationship between water flow rate and pressure loss.
Graph showing water flow rate versus temperature rise for different models.
Electrical schematic illustrating the internal components and their connections.
Key information and safety precautions for operating the water heater.
Step-by-step instructions for safely starting, operating, and turning off the water heater.
Explains the functionality and basic operation of the MC-91-2 temperature controller.
Detailed guide on adjusting the water temperature using the controller and important safety notes.
Lists available temperature settings and suggestions for different uses.
How to adjust temperature settings when no controller is installed.
Instructions to enable or disable audible beeps on the MC-91-2 controller.
How to lock and unlock the MC-91-2 controller to prevent unintended adjustments.
Information on how to display and interpret diagnostic codes from the water heater.
Procedures for cleaning internal components and the exterior of the water heater.
Importance of inspecting the vent system annually for blockages or damage.
Information on motor lubrication and cleaning requirements.
How to clean the temperature controller using a soft damp cloth.
Guidance on dealing with diagnostic codes related to scale build-up and flushing the heat exchanger.
Advice on keeping the flue terminal clear of snow and ice.
Steps for removing, cleaning, and reinstalling the water inlet filter.
Instructions for manually operating the pressure relief valve annually.
Guidelines for verifying correct flame appearance during operation.
Measures to protect the water heater and lines from freezing damage.
Recommendations for preparing the water heater for periods of non-use, especially in freezing weather.
Detailed procedure for cleaning the heat exchanger using vinegar to remove scale.
Steps for manually draining the water heater for maintenance or freeze protection.
Important regulatory requirements for installation in Massachusetts, including CO detectors and signage.
Defines the scope, duration, and terms of the limited warranty for the product.
Details the types of defects covered by the Rinnai warranty.
Outlines the warranty period for different parts and labor based on application.
Explains Rinnai's responsibilities for repair or replacement of defective products.
Instructions on how to obtain warranty service and contact Rinnai.
Lists conditions and causes of failure that are excluded from warranty coverage.
Discusses limitations on implied warranties and Rinnai's liability for damages.
