Rinnai Sunmaster Flat Plate System Questions & Answers

Hi Nick.F,

Thanks for the question, in 1999 when your unit was installed Rinnai offered a 5 year warranty on the Sunmaster tank. However, Rinnai Australia are committed to continuous improvement and through innovation have enhanced the efficiency of the Sunmaster Flat Plate System which has sanctioned an extension of the warranty from 5 to 10 years on the Sunmaster tank.

If you are having trouble with your unit we would recommend booking a service call. Please refer to our website with the following link https://www.rinnai.com.au/support-resources/online-service-booking.

Thanks,
Rinnai Australia

Hi Nick.F,

We cannot provide an exact age for life expectancy, due to a number of factors. Actual life can be impacted by water quality, usage and improper maintenance.

It is recommended that our customers regularly service their products to ensure optimal operation.

If you would like to organise a general service, please refer to our website with the following link:

https://www.rinnai.com.au/support-resources/online-service-booking/

Please let us know if there is anything else we can help you with.

Thanks,
Rinnai Australia

Thank you for the question Gary Pond.
TURNING OFF THE WATER HEATING SYSTEM
If you plan to be away for only a few nights, we suggest you leave the water heating system switched on. If it is
necessary to switch off the water heater, do so as outlined below:
Electric Boosted Systems
• Switch off the electrical supply to the supplementary heating element. The switch is usually marked and
located in the electricity meter box of the dwelling.
• Switch off the electric supply to the solar controller and pump.
Gas Boosted systems
• Switch off the electric supply to the gas booster.
• Switch off the electric supply to the solar controller and pump.
IMPORTANT
Turning off power to the solar controller will prevent operation of the pumped water circulation
used in low temperature mode. (See page “Frost Protection Mode” on page 22 for details). This
may be required for warranty on the solar collectors. Refer to the supplied warranty booklet.
Please contact our Technical help desk if you require further assistance on 1300 555 545 option 3.

Thanks,
Rinnai Australia.

Hi Frank, we are sorry to hear of the issues you have faced with your solar collector but there should not be any reason to replace the entire system. We would like to investigate this matter further, can you please email us via [email protected] mentioning this review and we will contact you to discuss.

Thanks for the question Lynn. You are correct, with a solar hot water unit, the sun heats up the water in the collectors and the hot water is stored in the tank.

The booster unit is flow activated, so any time you turn the tap on the fan will automatically start as it senses the water moving through the system. The temperature will then be sensed and if required, the booster will turn on and heat the temperature over 60 degrees.

Any hot water must be stored at a minimum temperature of 60 degrees to kill legionella bacteria and so the booster will start when the tap is opened. If the temperature is lower than 60 degrees, the water temperature will be boosted and then cooled before entering the house pipework, if not the booster will switch off and the heated water will simply pass through the unit.