To Next PageTo Next PageWhat to do if my Rinnai Water Heater starts then shuts down immediately?
If your Rinnai Water Heater starts and then shuts down immediately, ensure the power is still on. Also, check that the gas isolation valves at the unit and the gas meter are fully open. Finally, make sure to open your hot water tap fully.
What to do if my Rinnai REU-VR1620WB Water Heater has no ignition or gas supply?
If your Rinnai Water Heater has no ignition or gas supply, check that the gas is turned on at both the water heater and the gas meter or cylinder.
What to do if my Rinnai Water Heater starts then the water goes cold?
If your Rinnai Water Heater starts but the water goes cold, verify that the power is still on. Additionally, try opening your hot water tap further.
Why does my Rinnai Water Heater start and then the water goes cold?
If your Rinnai Water Heater starts and then the water goes cold, verify that the power is still on. Also, try opening your hot water tap further.
What to do if there is a power interruption during bath fill with my Rinnai REU-VR1620WB Water Heater?
If there's a power interruption during a bath fill and water won't flow on power reinstatement with your Rinnai Water Heater, turn off all hot water taps and press the On/Off button twice.
How to fix Rinnai REU-VR1620WB no ignition/no gas supply?
If your Rinnai Water Heater won't ignite due to a potential lack of gas supply, first, verify that the gas is turned on both at the water heater itself, and at the gas meter or cylinder.
What to do if Rinnai Water Heater has flame failure / low gas flow?
If you're experiencing flame failure or low gas flow with your Rinnai Water Heater, start by checking that the gas is turned on at both the water heater and the gas meter or cylinder. Also, ensure there are no obstructions blocking the flue outlet.
What to do if Rinnai Water Heater does not start?
If your Rinnai Water Heater isn't starting, make sure the power is on at the unit and check that the isolation valves are open.
What to do if my Rinnai REU-VR1620WB does not attempt to start at all?
If your Rinnai Water Heater does not attempt to start at all, check that the power is on at the unit. Also, ensure that the isolation valves at the unit are open.
What to do if there is power interruption during bath fill with my Rinnai REU-VR1620WB?
If you experience a power interruption during a bath fill and the water will not flow when the power is restored, turn off all hot water taps. Then, press the On/Off button twice.
General| Type | Tankless |
|---|---|
| Minimum BTU | 15, 000 BTU/hr |
| Fuel Type | Natural Gas |
| Temperature Range | 98°F - 140°F |
| Energy Efficiency | 0.82 Energy Factor |
| Ignition Type | Electronic |
| Venting | Direct Vent |
| Warranty | 12-year heat exchanger, 5-year parts, 1-year labor |
Specific regulatory note for Victoria regarding appliance installation by licensed persons.
Lists factory pre-set temperatures and adjustability for various models.
Details combinations of controllers that can be fitted to the water heater.
Overview of the MC-91Q controller's features and indicators.
Steps to turn the controller on and prepare the unit for hot water.
How to set the desired water temperature using the controller.
Guides on operating multiple controllers, including priority transfer.
Overview of the BC-100V controller's features and indicators.
Steps to turn the controller on and prepare the unit for hot water.
How to adjust audible settings and voice prompts on the controller.
Procedure for setting the 12-hour AM/PM clock display.
How to set the desired water temperature for the unit.
How to use the shower saver or bath fill feature for automated water dispensing.
How to stop the shower saver or bath fill function prematurely.
Operating the system with more than one controller installed.
How to mix and match Universal and Deluxe controller types.
Overview of the MC-100V controller's features and indicators.
Steps to turn the controller on and prepare the unit for hot water.
How to adjust audible settings and voice prompts on the controller.
Procedure for setting the 12-hour AM/PM clock display.
How to set the desired water temperature for the unit.
Explanation of the Smartstart® pre-heat system and its benefits.
How the preheat function is activated and works.
Lists error codes, faults, and remedies for diagnosing appliance issues.
Common issues and solutions when no controllers are fitted.
General guidelines and requirements for appliance installation.
Installation must comply with relevant standards and local regulations.
Lists the specific Rinnai Continuous Flow Water heater models this manual applies to.
Guidelines for selecting the appropriate location for appliance installation.
Recommendations for gas and water pipe sizing for optimal performance.
Requirements for water pressure, quality, and potential filtration.
Considerations for local regulations on hot water temperature limits.
How to configure the appliance installation with water controllers.
Instructions for physically mounting the water heater unit.
Details on connection points and required valves for installation.
Minimum required clearances for horizontal flue terminals.
Clearances around horizontal flue terminals to prevent operational issues.
Guidelines for installing multiple external water heater units.
Physical dimensions and fitting details for appliances and controllers.
Installation instructions for coaxial flue systems for internal models.
Instructions for draining condensate from specific REU-KM models.
Connecting multiple condensate drain lines together.
Guidelines for discharging condensate into a common stack.
Specific guidelines for tundish drain lines.
Precautions and installation requirements for areas prone to freezing.
General notes on Rinnai controllers, compatibility, and usage.
Recommended placement guidelines for water controllers for optimal visibility and safety.
Information on connecting controller communication cables to the water heater.
Advanced programming options for the MC-91Q, including controller activation.
Step-by-step instructions for installing the MC-100V controller.
Step-by-step instructions for installing the BC-100V controller.
How to connect controller communication cables to the water heater unit.
Procedures for testing the installed appliance and its functions.
Details on factory set and adjustable delivery temperatures.
Instructions for setting the gas pressure for correct operation.
A checklist to ensure the correct commissioning procedure is followed.
