How To Increase The Temperature On A Rinnai Water Heater

Do you want to acquire how to accommodate the temperature for your Rinnai tankless h2o heater?

The main commencement pace is to remove the front panel to expose the 'guts' of your Rinnai tankless water heater.

In this guide, I will go over...

Removing the front panel
Pressing the priority push
Changing switch #vi in dip switch SW1
Changing switch #five in dip switch SW1

Let'south become started with this guide!

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Adjusting Max Temperature On Rinnai Tankless Water Heaters

Cypher is more annoying that going through the hassle of installing a tankless water heater only to realize it doesn't get hot enough for your household.

Unfortunately, some homeowners never realize that the default 120F on Rinnai heaters can exist increased. There are a few simple steps to increase this default temperature, and well-nigh Rinnai tankless water heaters can be increased to a loftier of 140F.

The first main step of adjusting the Rinnai temperature is to remove the front panel of the heater. And nearly Rinnai tankless heaters can be adjusted past flipping a dip switch. Dip switches are small switches in series on the circuit board. Other Rinnai units may accept a specific button process instead rather than a dip switch.

In this guide, the instructions will exist specifically based on the Rinnai V53DE tankless water heater, but the general procedure will be similar to other units. To find the exact settings for your Rinnai heater, I recommend that you read the installation manual.

Read Too: What Are The All-time Rated Tankless H2o Heaters For Cold Climates?

Step i - Turn Power On

In guild to adjust the default temperature on a Rinnai unit, the power has to exist on.

You will be modify a dip switch just you volition be also be pressing buttons on the unit, so the power has to be active.

Step 2 - Remove Front end Panel

The first stride to change the default max temperature on a Rinnai tankless heater is to remove the front panel.

There are ii plastic trim sections on each side of the water heater that you lot tin can slide out. Once the trim pieces are removed, the spiral heads are exposed. You can remove the four screws with a screwdriver or electrical drill.

Carefully remove the forepart panel.

Read Too: What Are The All-time Outdoor Tankless Water Heaters?

Step 3 - Press Priority Button

The priority button needs to exist light-green and glowing.

If non, press the priority push button.

Step 4 - Flip Switch #half-dozen in Dip Switch SW1

Have a expect at the dip switches inside the Rinnai tankless heater, these are the tiny switches in series connected to a circuit board.

With A Temperature Controller

If your Rinnai tankless heater has a temperature controller (up/down arrows to change the temperature), so there is a particular switch to flip.

To suit the max temp to 140F (rather than 120F), you will accept to flip switch #6 in the dip switch SW1.

Dip switch SW1 is the row of tan-colored switches within the heater. You must flip the switch #6.

Without A Temperature Controller

If your Rinnai tankless heater doesn't take a temperature controller, then at that place will merely exist ii temperature settings—the default 120F and the max 140F.

To alter the temperature setting to 140F, you will have to flip switch #v (rather than #6) in the SW1 dip switch (tan-colored switches).

Read Also: What Are The Peak Point-Of-Use Tankless Water Heaters?

Step 5 - Verify Temperature Alter

If y'all have a temperature controller, yous merely hit the up arrow to see if y'all can get to a higher temperature, and to verify that the dip switch worked.

If y'all don't accept a temperature controller, yous can open up up a faucet and meet if you go a higher temperature.

Step 6 - Install Front end Panel

After you have changed the default temperature setting, and verified the modify, you tin now re-install the forepart console.

But put back in the four screws, and slide the two plastic trim pieces onto the side.

Read Also: What Are The All-time Rated Tankless H2o Heaters For Common cold Climates?

Condom Issues With Raising Max Temperature

Always be conscientious when adjusting hot water temperatures in a household, peculiarly if you have small children. Scalding can occur in but three seconds at a water temperature of 140F.

If your Rinnai tankless water heater doesn't have a temperature controller, and you have minor children, the CDC recommends keeping it at the default 120 degrees Fahrenheit or lower.

If y'all have a temperature controller, you tin can suit information technology anywhere from 120F and upwards merely beneath the maximum temp of 140F afterwards raising the default.

Not Plenty Hot Water

And afterwards raising the default, if you aren't getting enough hot water, you lot may want to lower the temperature a bit.

If you lower the temperature to what you actually employ at the faucet, and so you won't demand to mix in as much cold h2o at the faucet, and y'all will get more hot water.