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We highly recommend that this is done with the homeowner present. To ensure the optimal temperature output and overall performance of your tankless water heater you may require a flow regulator. These flow regulators are installed on the outlet connection of your tankless water heater and limit the maximum volume coming out of your unit to a specified flow rate to prevent the exit temperature from becoming too cool.
Operating your new tankless water heater is similar to using any traditional water heating system. However, it is very important that you carefully read all of the setup procedures and operating instructions and tips to ensure the maximum performance and energy savings from your new water heater.
We recommend that all members of the household read these General Operating Instructions. How your new water heater works: Your tankless water heater does not store hot water like a conventional tank-type water heater.
It contains heating elements that are capable of heating water on-demand. As soon as you turn on a hot water faucet, a sophisticated flow sensor recognizes that you have turned on the water. This sensor measures flow rate while another sensor measures the incoming water temperature. This information is transmitted continually to the computer logic controls which decide how much power to send to the heating elements to heat the water to your desired temperature.
Once the water faucet is turned off your water heater will turn off as well. Water Quality: Quality of water should be taken into consideration when installing and maintaining the water heater. Water conditions outside the recommended levels outlined below are not permitted and can damage the water heater. Manufacture reserves the right to deny any warranty claim regarding damage suffered due to use in water conditions not in accordance with the table below. A water treatment device or water softener should be installed to maintain optimal performance of the water heater in hard water areas.
Contact customer service for additional information on these accessory kits. DANGER As with all electrical appliances, under no circumstances should you attempt to install, repair or disassemble this water heater without first shutting off all power to the unit directly at the fuse or circuit breaker. If you have a water supply with a high level of mineralization hard water , you should increase the frequency of your maintenance. Please call or email our customer service and technical support team for any help you may need.
The following table represents some of the most common technical support questions we receive. Before calling us, please read thoroughly to see if your question or problem is addressed. Water heater is not heating at all water is flowing but the unit is not heating - the outgoing water temperature is the same as the cold water supply - the digital display does NOT light up.
Water heater is not heating at all water is flowing but the unit is not heating - the outgoing water temperature is the same as the cold water supply The digital display DOES light up. The water temperature at the faucet is less or greater than the temperature setting of my water heater.
Adjustment should only be done by a licensed plumber or electrician. Use manuals file type: PDF. Rheem - Water Heaters. Home Bookmarks Brands Reviews About us. Documents : Go to donwload! Waterbury, CT Phone: 1- Inspect all components. This product does NOT require venting. Doing so will void the warranty. This automatic tankless water heater is equipped with both computer-controlled and electromechanical auto resetting thermostat switches for high-limited temperature protection.
If one is required, install the pressure relief valve in accordance with local codes and ensure that it operates correctly and that air is purged from the valve prior to installing the water heater.
Please note: Installations in the Commonwealth of Massachusetts and State of Kentucky require a pressure relief valve. Please check your local installation codes for any special requirements. If the water pressure is higher, a pressure reducing valve must be installed on the main incoming water supply line prior to installing the electric tankless water heater. Flexible water heater hoses are recommended to be used with your water heater as part of the installation.
Serious internal damage to the water heater can occur if the inlet or outlet connections are over tightened or if solder connections were made We recommend that a manual shut-off valve ball valve is installed on the inlet and outlet of the water heater so that there is a convenient shut-off point available in the event that future maintenance or servicing is required. It is extremely important to flush the lines to eliminate all plumbing paste or residue in the lines caused by any welding or soldering before connecting pipes to the water heater.
IMPORTANT NOTES: 8kW, 11kW and 13kW heaters require 1 set of wire and ground see wiring diagram 18kW heater requires 2 sets of wire and ground see wiring diagram 24kW and 27kW heaters require 3 sets of wire and ground see wiring diagram 36kW heater requires 4 sets of wire and ground see wiring diagram Please see electrical specifications by heater input and wiring diagram on the next page for additional electrical information.
Each set of wires must be connected to its own individual double pole breaker. STEP 3 : A separate ground conductor for each incoming circuit is required. Any signs of damage, cracks, leakage or weakness should be addressed. Take care not to over tighten the connections. Serious internal damage to your water heater can occur if you over tighten the water heater connections at the unit. Before calling us, please read thoroughly to see if your question or problem is addressed Water heater is not heating at all water is flowing but the unit is not heating - the outgoing water temperature is the same as the cold water supply - the digital display does NOT light up.
No power or incorrect wiring Make sure the breakers at main electrical panel are ON. You may have a faulty breaker or unit may be wired incorrectly. Your water heater has an activation flow rate of approximately 0. If your water flow rate is less than this level, your unit will not activate. Increase the flow rate. Water heater is heating, but the water temperature is not hot enough. User temperature setting too low.
Turn up the temperature setting on the unit. Flow rate is too high. Depending on your incoming water temperature and the kW of your heater, your water flow rate may exceed the physical heating capacity of your water heater. Reduce the flow rate by installing a Flow Regulator. Use the chart in section 6 to find out which flow regulator works best for your particular heater.
Crossed wires. Is possible that the wiring is incorrect. Voltage less than volts. The heating elements on your water heater are design for volts.
When used with a lower voltage, they produce less heating power. You may need to upgrade to a larger input heater. Mixing too much cold water. You do not need to mix as much cold water with your tankless water heater compared to when you use a conventional water heater. You may also have an anti-scald feature on your faucet that is mixing cold water. These types of faucets can usually be adjusted to reduce the amount of cold water mixed.
However, it is very important that you carefully read all of the setup procedures and operating instructions and tips to ensure the maximum performance and energy savings from your new water heater. We recommend that all members of the household read these General Operating Instructions.
Please call or email our customer service and technical support team for any help you may need. Before calling us, please read thoroughly to see if your question or problem is addressed. Recomendamos que todos los integrantes del hogar lean estas Instrucciones operativas generales. Electric Tankless Water heaters. When installing or using any hig h voltage ele ctrical appliance, basic sa fety precau tions should alwa ys be.
Under no circumstance should y ou attempt to clean, in stall, inspect , repair, disasse mble or. This manu al should be given to the homeowne r after i nstallation and shoul d be retained for futur e reference. Proposition 65 Warning: This product contains chemical s known to the State of California to cause.
Recogni ze this symbol as an i ndication of Importan t Safety Informa tion!
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