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Posts tagged rinnai tankless water heater

Canadian Tankless Water Heater Websites

Oct 20th

Posted by John in General Info

No comments

Its funny that most of the major tankless companies dont have canadian version of their websites… Canada is a very natural gas dependant country and thus we have this service in the majority of our homes.  You would think that a market of 30 million plus might foster a small investment in a geocentric Canadian content specific website. 

Tankless manufactures know that the further north their product is installed the colder the ground water and the more energy is needed to heat the water up to acceptable temperatures.  For the most part all of the major tankless companies have successfully overcome this issue. They certainly should work on advertising and showcasing thier advancements.  Canadian tankless manufacture websites would go a long way.

Tankless Manufactures with Canadian Sites

  1. Rinnai – Rinnai.ca
  2. John Wood – johnwoodwaterheaters.com (honourable mention for haveing a french version)

Tankless Manufactures Without a Canadian Site

  1. Bosch
  2. GSW
  3. John Wood
  4. Navien
  5. Noritz
  6. Paloma
  7. Takagi

List of Common Errors

Feb 20th

Posted by administrator in [...]

Here are a list of Common Errors on the Rinnai Tankless Water heater.

Code Fault Remedy
02 No burner operation during
freeze protection mode		 Service Call
03 Power interruption during
Bath Fill (Water will not flow
when power returns).		 Turn off all hot water taps. Press ON/OFF twice.
10 Air Supply or Exhaust
Blockage
  • Ensure Rinnai approved venting materials are being used.

  • Check that nothing is blocking the flue inlet or exhaust of Rinnai.

  • Check all vent components for proper connections.

  • Ensure vent length is within limits.

  • Ensure condensation collar was installed correctly.

  • Verify dip switches are set properly.

  • Check fan for blockage.
    		•
    11 No Ignition
  • Check that the gas is turned on at the water heater, gas meter, or cylinder.

  • Ensure gas type and pressure is correct.

  • Ensure gas line, meter, and/or regulator is sized properly.

  • Bleed all air from gas lines on Rinnai.

  • Verify dip switches are set properly.

  • Ensure Rinnai is properly grounded.

  • Disconnect EZConnect™ or MSA controls to isolate the problem.

  • Ensure igniter is operational on Rinnai.

  • Check igniter wiring harness for damage.

  • Check gas solenoid valves for open or short circuits.

  • Remove burner cover and ensure all burners are properly seated.

  • Remove burner plate and inspect burner surface for condensation or debris.
    		•
    12 Flame Failure
  • Check that the gas is turned on at the water heater and gas meter. Check for obstructions in
    the flue outlet.

  • Ensure gas line, meter, and/or regulator is sized properly.

  • Ensure gas type and pressure is correct.

  • Bleed all air from gas lines on Rinnai.

  • Ensure proper Rinnai venting material was installed.

  • Ensure condensation collar was installed properly.

  • Ensure vent length is within limits.

  • Verify dip switches are set properly.

  • Ensure appliance is properly grounded.

  • Disconnect keypad on Rinnai.

  • Disconnect EZConnect™ or MSA controls to isolate the problem.

  • Check power supply for loose connections.

  • Check power supply for proper voltage and voltage drops.

  • Ensure flame rod wire is connected on Rinnai.

  • Check flame rod for carbon build-up.

  • Disconnect and reconnect all wiring harnesses on unit and PC board.

  • Check for DC shorts at components on Rinnai.

  • Check gas solenoid valves for open or short circuits.

  • Remove burner plate and inspect burner surface for condensation or debris.

    		•
    16 Over Temperature Warning
  • Check for restrictions in air flow around unit and vent terminal.
  • Check for low water flow in a circulating system causing short-cycling.
  • Check for foreign materials in combustion chamber and/or exhaust piping.
  • Check for clogged heat exchanger on Rinnai.
    		•
    32 Outgoing Water Temperature
    Sensor Fault
  • Check sensor wiring for damage.
  • Measure resistance of sensor.
  • Clean sensor of scale build-up.
  • Replace sensor on Rinnai.
    		•
    33 Heat Exchanger Outgoing
    Temperature Sensor Fault
  • Check sensor wiring for damage.
  • Measure resistance of sensor.
  • Clean sensor of scale build-up.
  • Replace sensor on Rinnai.
    		•
    34 Combustion Air Temperature
    Sensor Fault
  • Check for restrictions in air flow around unit and vent terminal.
  • Check sensor wiring for damage.
  • Measure resistance of sensor.
  • Clean sensor of scale build-up.
  • Ensure fan blade is tight on motor shaft and is in good condition.
  • Replace sensor on Rinnai.
    		•
    52 Modulating Solenoid Valve
    Signal Abnormal
  • Check modulating gas solenoid valve wiring harness for loose or damaged terminals.
    Measure resistance of valve coil on Rinnai.
    		•
    61 Combustion Fan Failure
  • Ensure fan will turn freely on Rinnai.
  • Check wiring harness to motor for damaged and/or loose connections.
  • Measure resistance of motor winding.
    		•
    65 Water Flow Control Fault
  • The water flow control valve has failed to close during the bath fill function. Immediately
    turn off the water and discontinue the bath fill function. Contact a state qualified or
    licensed contractor to service the appliance.
    		•
    71 SV0, SV1, SV2, and SV3
    Solenoid Valve Circuit Fault
  • Check wiring harness to all solenoids for damage and/or loose connections.
    Measure resistance of each solenoid valve coil.
    		•
    72 Flame Sensing Device Fault
  • Ensure flame rod is touching flame when unit fires.
  • Check all wiring to flame rod for damage.
  • Remove flame rod and check for carbon build-up; clean with sand paper.
  • Check inside burner chamber for any foreign material blocking flame at flame rod.
  • Measure micro amp output of sensor circuit with flame present.
  • Replace flame rod on Rinnai.
    		•
    LC Scale Build-up in Heat
    Exchanger (when checking
    maintenance code history,
    “00” is substituted for “LC”)
  • Flush heat exchanger. Refer to instructions in manual.
  • Replace heat exchanger.

    • NOTE: The LC code is the only error code that will allow the unit to keep running. The
    display will alternate between the LC code and the temperature setting. The controller
    will continue to beep. The LC code will reset if power is turned off and then on.
    No code Nothing happens when water
    flow is activated.
  • Clean inlet water supply filter on Rinnai.
  • On new installations ensure hot and cold water lines are not reversed.
  • Check for bleed over. Isolate unit from building by turning off hot water line to building.
  • Isolate the circulating system if present. Open your pressure relief valve; if water is
    flowing, there is bleed over in your plumbing.
  • Ensure you have at least the minimum flow rate required to fire unit.
  • Ensure turbine spins freely on Rinnai.
  • Measure the resistance of the water flow control sensor.
  • Check for DC shorts at components.
    		•


    Rinnai_RC98HPi

    Rinnai Tankless Water Heaters Bring in the Awards

    Sep 20th

    Posted by administrator in General Info

    No comments

    Rinnai is the number 1 selling tankless water heater and there is a reason for its success.  Rinnai builds stable, efficient, trustworthy units that enable any homeowner to brag about their tankless water heater.

    Rinnai has had the honours of receiving accolades from three media outlets recently. The first being Builders Magazine 2010 brand leader in quality. The second is Greenbuilder’s Magazine Hot 50 products of 2010. The last is a nod from Bestcover.com best Whole-House tankless water heater.

    Rinnai had this to say,

    “We’re thrilled that each of these publications independently found Rinnai worthy of such distinct honors,” said Rinnai America General Manager Phil Weeks. “Builder, GreenBuilder and Bestcovery.com each target a specific segment of our customer base, and these awards communicate to all three audiences that Rinnai is a leader in the tankless industry. Tankless is the future of water heating in North America, so as builders and consumers embrace this new technology, having the endorsement of these influential publications will help instill confidence in our products and the Rinnai brand.”

    Rinnai is a subsidiary of Rinnai Corporation in Nagoya, Japan, and was established in 1974.  The American headquarters is in Peachtree City, Ga. Rinnai Corporation manufactures gas appliances including tankless water heaters, a wide range of kitchen appliances and heating and air conditioning units. As the technology leader in its industry, Rinnai is the largest gas appliance manufacturer in Japan and is the number one selling brand of tankless gas water heaters in North America. For more information about Rinnai and its entire product line, visit www.rinnai.us

    products_RC98HPi

    Rinnai Tankless

    Jul 15th

    Posted by administrator in Installation Techniques

    The Rinnai tankless water heater is one of the best brands of tankless systems out there. This is simply because the unit is reliable.

    The specifications and features on any of the Rinnai tankless product lines are on par with all other major tankless brands, they consume similar amounts of gas, produce very similar hot water quantities, and have nearly the exact same efficiency ratings.  Day in and day out the Rinnai tankless just works, it never breaks down and that’s what makes it stand out. 

    Rinnai Models

    The Rinnai tankless units that are installable in Ontario are:

    • RC80HPi
    • RC98HPi
    • R50LSi
    • R75LSi
    • R98LSi (commercial)

    The RC80 and RC98 are both condensing units and have a energy factor of 94%

    The R50, R75, and R98 are conventional tankless systems with an energy factor of 82%

    Tankless Grants for Rinnai

    All Rinnai units available for Government grants – you can find out how much you are eligible for on our Grants Page.

    Sizing a Rinnai

    Why Rinnai is different:

    As a consumer you simply cant purchase a Rinnai tankless and have your local plumber install it, the dealership has strict sales rules and policies in place to prevent this.  To become a Rinnai tankless dealer all of the installers have to go through special training to ensure that each and every tankless is installed within all specifications.  Yes, this is a significant factor to why Rinnai’s reliability factor is so high.

    Its difficult if not impossible to size a tankless without first surveying the home that its being installed in, there is a rough guide that you can follow though.

    1. RC98 and RC80 – Tankless condensing units that can handle between 8 and 9.8 GPM suitable for nearly all homes (except for really large one 4000 sqf and up).
    2. R75 – Very universal tankless suitable for nearly all homes, produces 7.5 GPM (caution should be taken on installs for larger homes).
    3. R50 – Smaller tankless suitable for smaller homes and cottages. The unit produces 5.0 GPM.

    Rinnai Costs

    Again this is nearly impossible to predict as every home is unique as well as every install.  The unknowns are installation rates, venting pipe length, venting issues, mounting locations, gas piping, water piping, etc. But the unit is a fixed price and can cost anywhere from $1500 to over $4000 (that’s installation included as you cant just buy a unit).

    Rennai Tankless water heater

    Mar 17th

    Posted by administrator in General Info

    1 comment

    Rennai Tankless water heater

    Rennai tankless or Rannai tankless is actually spelled Rinnai, it is commonly misspelled as Rennai condensing or Rannai condensing. Here are some more spelling errors for Rinnai tankless water heater.

    1. Rennai Tankless
    2. Rinai Tankless
    3. Renni Tankless
    4. Rinni Tankless

    For the Record it is Rinnai.

    Here are some Rinnai Facts

    - Uses concentric venting which results in only one hole drilled in your wall but this results in a reduction of venting options.
    - Lowest failure rates.
    - 10 years parts and labour warranty
    - Made in Japan
    - 8.0 GPM hot water production on most units
    - More than 30 million units installed world wide
    - No pilot light (direct electronic ignition)

    This picture is an example of the vent pipe that a Rinna tankless uses.  Basically there is a pipe inside a pipe, one directs exhaust gases out of the house, while the other allows fresh air to flow in from outside directly to the combustion chamber.

    So for the record it is Rinnai.

    Rinnai Tankless

    Jan 12th

    Posted by administrator in Green

    2 comments

    Rinnai Tankless

    If you’re searching for an endless supply of hot water for your home or business, Rinnai tankless water heaters offer you hot water on demand, so you are not stuck with a fixed and pre-heated supply. You can enjoy hot water when you want it and for as long as you want it, so go ahead and do the dishes, run the washing machine and take a long and luxurious bath at the same time. No more worrying about running out of hot water with a Rinnai tankless water heater.

    As a Rinnai tankless owner you will enjoy up to 40% energy savings. These units are highly efficient and only heat the water when it is needed. When the demand ceases, the unit shuts down and uses zero energy-a revolutionary advantage over the big and bulky inefficient conventional tanks heaters.

    Purchasing a Rinnai tankless water heater, gets you will a reliable and durable copper heat exchanger with a typical life span of 20 or more years (that is twice as long as the old tank water heater’s life span). In addition, the traditional tank water heat accumulates a buildup of rust and sediments that collect in the tank-where the water you drink and bathe is stored. With the Rinnai tankless heaters, no water is stored, so you only get fresh and clean hot water because the water is heated as it passes through the unit.

    Being about the size of a small suitcase, the Rinnai tankless unit can be installed on virtually any wall on the inside or outside of your home. Rinnai offers you a line of controllers that makes it very easy to set the hot water temperatures for multiple locations in your house.

    (update)

    Rinnai Condensing Tankless

    Rinnai has a condensing unit out in the market now.  This tankless has an efficiency of around 95% and utilizes two heat exchangers to attain the high efficiency rating.  Rinnai has maintained the single exhaust vent or concentric piping.  This unit will get you the full $375 in available grant money from the Ontario Government.  If you want to get a free quote for this Rinnai tankless Contact us Here

    You can also read more on the Rinnai condensing tankless here.

    Rinnai Tankless Water Heater Ad

    May 7th

    Posted by John in INFO

    No comments

    Rinnai Tankless Commercial

    Here is the commercial for a Rinnai Tankless water heater. The ad looks at how we constantly run our old conventional tank type heaters 24 hours a day, but we would never leave our cars running just so that they are warm in the morning etc. etc.

    concentric-vent-pipe

    Rinnai Concentric Venting

    Apr 28th

    Posted by John in General Info

    No comments

    Rinnai Venting

    Rinnai tankless water heaters use a single tube for their venting, how do they do this? It’s quite a simple process that prevents two holes from being drilled in your wall. As you can see in the picture of the elbow, the vent pipe has two distinct sections. This type of venting piping is called concentric venting. The tankless concentric vent pipe handles both the incoming supply air as well as ejecting the toxic exhaust gases. This form of tankless venting can save an extra hole in your wall and thus reduced risk of air leakage.

    Concentric venting is really quite expensive as the pipe is made from stainless steel. On average you are looking at about 60 dollars per foot plus installation. This is why it important to position a Rinnai tankless water heater as close as possible to its venting termination point.

    Solar Water Heater and Tankless Update

    Apr 21st

    Posted by John in General Info

    No comments

    Solar Water Heater and Tankless

    One of our readers is working on installing a domestic solar hot water heater in conjunction with a tankless.  They were going to go with a Rheem tankless to offset any additinonal temperature increase that was needed over the solar gains.  Unfortunately they found out that the particular unit that they were planning on using senses the incoming water temperature, buy ‘ignores’ water that is within 40F of the target temp (ie. the unit won’t cut on to work). This has caused them some problems because:

    1) The max output on any residential line is 120F (49C) (this is canadian law it cant be any hotter than this in a residential home).
    2) If the solar heated water comes in at 100F (37C) or warmer, the unit will not kick on. This means the output is 37C, a cold shower to be sure.
    3) If you go to the commerical unit, the max temp is 180F. This much too hot for residential use (think of someone turning on the hot water at the sink to do dishes), but it would work from the 40F differential standpoint (ie. if the water is 60C or colder, then the unit will fire, anything warmer than 60C doesn’t matter as it would be warm enough for a shower).  Again this is illegal in Canada as the Max allowed Temperature is 120F.

    The best solution is to more to a Rinnai Tankless water heater as this unit only requires there to be a 20 degree farenheight differentiation between water to be heated and heated water.  Therfor your shower will at the very least be 100 degrees farenheight which is plenty warm enough.

    These co-heating water heating systems are quite complicated so its important that you talk to a prefessional regarding any plans that you have for your home or cottage.  Feel free to send us an email if you have any questions.

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