What to do if my Rinnai HDC211i Water Heater starts then shuts down immediately?
If your Rinnai Water Heater starts and then immediately shuts down, verify that the power is still on. Also, check that the gas isolation valves at the unit and the gas meter are fully open. Ensure your hot water tap is fully open as well.
What to do if my Rinnai HDC211i 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.
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 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 HDC211i 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 HDC211i 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.
How to fix a noticeable reduction in water flow in my Rinnai HDC211i?
If you notice a reduction in water flow in your Rinnai Water Heater, the inlet water filter may need to be cleaned. It is recommended to schedule a service call.
How to fix noticeable reduction in water flow in Rinnai HDC211i Water Heater?
If you notice a reduction in water flow with your Rinnai Water Heater, the inlet water filter may need cleaning. A service call is recommended.
What to do if Rinnai HDC211i 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 and try opening your hot water tap further.
Factory pre-set maximum delivery temperatures for various models, adjustable by authorised persons.
Details on combining and maximum number of universal and deluxe controllers that can be fitted.
Identifies components and functions of the MC-91Q universal water controller.
Steps to switch on the controller and select/adjust water temperature.
Instructions for operating multiple universal water controllers and transferring priority.
Explains how to transfer control priority between connected water controllers.
How to select and adjust the desired water temperature when multiple controllers are in use.
Identifies components and functions of the BC-100V deluxe bathroom water controller.
Steps to switch on the controller and adjust sound settings.
How to set the clock and adjust the desired water temperature on the controller.
Instructions on using shower saver and bath fill functions for automatic water dispensing.
How to set the desired temperature and water volume for shower or bath fill.
How to stop functions, combine controllers, and understand operation completion.
Identifies components and functions of the MC-100V deluxe kitchen water controller.
Steps to switch on the controller and adjust sound settings for the kitchen model.
How to set the clock and adjust the desired water temperature on the kitchen controller.
Explains the purpose and function of the optional Rinnai Smartstart® preheat system.
Details on how to activate and use the Smartstart® preheat function for water warming.
Lists common error codes, their faults, and suggested remedies for diagnosis.
Common faults and remedies for units operated without any water controllers.
General guidance and regulations applicable to the installation of the appliance.
Requirements for installing the appliance according to standards and suitable locations for installation.
Information on pipe sizing, water pressure, impurities, and setting delivery temperatures.
Instructions for appliance and controller setup, including temperature limiting devices.
Steps for mounting the appliance and identifying key service connection points.
Minimum clearances required around the horizontal flue terminal for safe operation and compliance.
Guidance on clearances from obstructions and considerations for multiple appliance installations.
Provides detailed physical dimensions and fitting diameters for various appliance and controller models.
Instructions for installing co-axial flue systems for internal Rinnai water heater models.
Guidance on the continuous condensate drain system for REU-KM models.
How to connect condensate drains, use tundishes, and manage areas prone to freezing.
Guidelines for controller placement, cable types, and connection considerations.
Step-by-step instructions for physically installing the MC-91Q universal water controller.
Optional programming steps for the MC-91Q, such as activating a fourth controller.
Step-by-step instructions for physically installing the MC-100V and BC-100V controllers.
Detailed steps for connecting communication cables from water controllers to the water heater unit.
Procedures for testing functions, including delivery temperature confirmation.
Guidance on setting gas pressure and using the commissioning checklist for verification.
General| Type | Tankless |
|---|---|
| Category | Residential |
| Energy Factor | 0.82 |
| Ignition Type | Electronic Ignition |
| Gas Type | Natural Gas |
| Maximum BTU Input | 199, 000 BTU/h |
| Minimum BTU Input | 15, 000 BTU/hr |
| Maximum Flow Rate | 11 GPM |
| Flow Rate | 11.0 GPM |
| Temperature Range | 98°F - 140°F |
| Venting | Direct Vent |
| Vent Size | 3" |
| Electrical Requirements | 120V |
| Warranty | 5 years on parts |
| Energy Efficiency | High |
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