EasyManua.ls Logo

Rinnai B20 - User Manual

Rinnai B20
40 pages
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Loading...
To Suit Water Heater Models -
INFINITY 32
REU-VRM3237WG
INFINITY 26 REU- VRM2626WG
INFINITY 26i REU-VRM2632FFUG
INFINITY 20 REU-VRM2024WG
INFINITY 16 REU-VRM1620WG
INFINITY ENVIRO 32 REU-KM3237WD
INFINITY ENVIRO 26 REU-KM2635WD
B16 REU-VR1620WB
B20 REU-VR2024WB
B26 REU-VR2626WB
HD250e REU-VRM3237WC
HD200e REU-VRM2632WC
HD200i REU-VRM2632FFUC
HDC211e REU-KM3237WDC
HDC211i REU-KM3237FFUDC
Operation / Installation
Manual
Rinnai Continuous Flow Water Heaters
This appliance shall be installed in accordance with:
• Manufacturers Installation Instructions
• Current AS/NZS 3000, AS/NZS 3500 & AS/NZS 5601
• Local Regulations and Municipal Building Codes including local OH&S requirements
This appliance must be installed, maintained and removed by an Authorised Person.
For continued safety of this appliance it must be installed operated and maintained
in accordance with the manufacturers instructions.
This Appliance complies
with AS 3498:2009
SAI GLOBAL LIC. W208

Table of Contents

Other manuals for Rinnai B20

Questions and Answers

  • L
    Loretta RuizSep 23, 2025
    What to do if Rinnai Water Heater water will not flow on power reinstatement?
    • R
      Robert ParkerSep 23, 2025
      If you experience a power interruption while filling a bath and the water doesn't flow when power is restored to your Rinnai Water Heater, turn off all hot water taps and press the On/Off button twice.
  • A
    Andrew MorrisAug 25, 2025
    What to do if power interruption during Bath fill in Rinnai Water Heater?
    • C
      Christopher OconnorAug 25, 2025
      If a power interruption occurs during a bath fill and water doesn't flow when power is restored to your Rinnai Water Heater, turn off all hot water taps and press the On/Off button twice.
  • K
    Katrina SmithAug 25, 2025
    What to do if my Rinnai B20 starts then shuts down immediately?
    • M
      Mrs. Kimberly ChristianAug 26, 2025
      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.
  • J
    james90Aug 27, 2025
    What to do if my Rinnai B20 Water Heater has no ignition or gas supply?
    • M
      Michael ButlerAug 27, 2025
      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.
  • E
    Emily KnightAug 27, 2025
    Why does my Rinnai B20 Water Heater start and then the water goes cold?
    • C
      Christine WhitakerAug 27, 2025
      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.
  • J
    John JohnsonSep 16, 2025
    Why does my Rinnai B20 have flame failure or low gas flow?
    • H
      hernandezbryanSep 16, 2025
      If you are experiencing flame failure or low gas flow with your Rinnai Water Heater, verify that the gas is turned on at both the water heater and the gas meter or cylinder. Also, check for any obstructions to the flue outlet.
  • J
    Jason JonesSep 13, 2025
    What to do if my Rinnai B20 Water Heater unit does not attempt to start at all?
    • L
      Lauren ShawSep 13, 2025
      If your Rinnai Water Heater does not attempt to start, check that the power is on at the unit and that the isolation valves at the unit are open.
  • J
    Joseph MontoyaSep 15, 2025
    How to resolve a condensate pipe blockage in my Rinnai B20?
    • J
      Janet MolinaSep 15, 2025
      To resolve a condensate pipe blockage in your Rinnai Water Heater, check for any blockages on the condensate drain path.
  • V
    Victoria CareySep 5, 2025
    How to fix noticeable reduction in water flow in Rinnai Water Heater?
    • P
      Paula EwingSep 6, 2025
      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.
  • J
    joshua43Sep 3, 2025
    What to do if Rinnai B20 does not start?
    • M
      Matthew BrownSep 3, 2025
      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.

Summary

Regulatory Information

Notice to Victorian Consumers

Specific installation requirement for Victorian consumers regarding licensing.

Warning About Hot Water

Features and Benefits

Important Information

Incompatibility with Solar Systems

States the incompatibility of Rinnai continuous flow water heaters with solar systems.

General Safety Precautions

Covers essential safety advice like checking water temperature, flue safety, and freezing precautions.

Controller Cleaning and Care

Instructions for cleaning water controllers and warnings about solvent use.

Temperature Limitations and Storage

Explains temperature limits, controller priority transfer, and setting storage.

Operation Without Controllers

General Water Control Information

Maximum Delivery Temperatures

Details the factory pre-set maximum delivery temperatures for different water heater models.

Available Temperatures and Controller Types

Lists available temperature settings and differentiates Universal and Deluxe controller types.

Universal Water Controllers

About the MC-91 Q Controller

Explains the MC-91Q Universal controller's features, indicators, and basic operation.

Using Multiple Universal Controllers

Provides guidance on connecting and managing multiple Universal water controllers.

Deluxe Bathroom Water Controllers

About the BC-100 V Controller

Details the BC-100V Deluxe Bathroom controller's features, indicators, and operations.

Setting Sound Options and Clock

Guides on setting audible options and configuring the controller's clock display.

Adjusting Temperature

Instructions for setting and adjusting the water temperature via the controller.

Operating Shower Saver; Bath Fill Function

Explains how to use the Shower Saver and Bath Fill features for preset water volume and temperature.

Stopping Shower Saver;Bath Fill & Operation Completion

Details how to stop the function and the events that occur upon its completion.

Deluxe Kitchen Water Controllers

About the MC-100 V Kitchen Controller

Explains the MC-100V Deluxe Kitchen controller's features and basic operations.

Setting Clock and Adjusting Temperature

Guides for setting the clock and adjusting water temperature on the kitchen controller.

Smartstart Pre-Heat Operation

Troubleshooting

Installation Manual

General Installation Instructions

Covers general installation requirements including regulations, location, and pipe sizing.

Condensate Drain (REU-KM Models Only)

Provides specific instructions for the condensate drain system for REU-KM models.

Water Controller Installation

Details the procedures for installing Rinnai Universal and Deluxe water controllers.

Commissioning

Outlines the steps for commissioning, testing, and verifying the installed system.

Accessories

Lists and describes optional accessories available for the Rinnai water heater.

Product Records

Provides a section to record appliance details, retailer, and installer information.

Rinnai B20 Specifications

General IconGeneral
TypeTankless
IgnitionElectronic
Gas TypeNatural Gas or Propane
Fuel TypeGas
Energy Factor0.82
Ignition TypeElectronic
Capacity20 Litres per minute
Energy Efficiency0.82 Energy Factor
InstallationIndoor
Maximum Flow Rate20 Litres per minute

Related product manuals