Table of Contents
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FOR OUTDOOR APPLICATIONS ONLY
V53De ................... REU-AM1620WD-US
This entire manual must be left for the consumer.
The consumer must read and refer to this manual for
proper operation and to maintain the water heater.
Place
Model/Serial #
Label Here
Located in Manual Bag
READ ALL OF THE INSTRUCTIONS THOROUGHLY BEFORE INSTALLING OR OPERATING THIS WATER HEATER.
This manual provides information on the installation, operation, and maintenance of the water heater. For proper
operation and safety, it is important to follow the instructions and adhere to the safety precautions.
A licensed professional must install the water heater according to the exact instructions on pages 4-20.
The consumer must read the entire manual to properly operate the water heater and to have regular maintenance
performed.
WARNING
— Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
— WHAT TO DO IF YOU SMELL GAS:
•
Do not try to light any appliance.
•
Do not touch any electrical switch; do not use any phone in your building.
•
Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions.
•
If you cannot reach your gas supplier, call the fire department.
— Installation and service must be performed by a licensed professional.
AVERTISSEMENT
— Ne pas entreposer ni utiliser d'essence ou ni d'autres vapeurs ou liquides inflammables à proximité de
cet appareil ou de tout autre appareil.
— QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ :
Ne pas tenter d'allumer d'appareil.
•
Ne touchez à aucun interrupteur ; ne pas vous servir des téléphones se trouvant dans le bâtiment.
•
Appelez immédiatement votre fournisseur de gaz depuis un voisin. Suivez les instructions du fournisseur.
•
Si vous ne pouvez rejoindre le fournisseur, appelez le service des incendies.
•
—
L'installation et l'entretien doivent être assurés par un installateur ou un service d'entretien qualifié ou
par le fournisseur de gaz.
Low Lead Content
NSF/ANSI 372
ANSI Z21.10.3 ● CSA 4.3
If the information in these instructions is not followed exactly, a fire or explosion may result
causing property damage, personal injury or death.
Assurez-vous de bien suivre les instructions données dans cette notice pour
réduire au minimum le risque d'incendie ou d'explosion ou pour éviter tout
dommage matériel, toute blessure ou la mort.
Outdoor Tankless Water Heater
Installation and Operation Manual
Full-length French and Spanish versions
available online at rinnai.us
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Table of Contents
Related Manuals for Rinnai V Model Series
Summary of Contents for Rinnai V Model Series
- Page 1 Outdoor Tankless Water Heater Installation and Operation Manual Full-length French and Spanish versions FOR OUTDOOR APPLICATIONS ONLY available online at rinnai.us V53De ....REU-AM1620WD-US This entire manual must be left for the consumer. The consumer must read and refer to this manual for proper operation and to maintain the water heater.
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Page 2: Table Of Contents
If you have any questions or feel that the manual is incomplete contact Rinnai at 1-800-621-9419 Important Safety Information Safety Definitions This is the safety alert symbol. -
Page 3: Safety Behaviors And Practices For The Consumer And Installer
Safety Behaviors and Practices for the Consumer and Installer WARNING / AVERTISSEMENT • • Before operating, smell all around the appliance Use only your hand to push in or turn the gas control knob. Never use tools. If the knob will not area for gas. -
Page 4: Installation Instructions
Installation Instructions Installer Qualifications • Do not obstruct the flow of combustion and ventilation air. Combustion air shall not be It is recommended that a licensed professional install supplied from occupied spaces. the appliance, inspect it, and leak test it before use. •... -
Page 5: Prepare For Installation
• • Single gang electrical Concrete wall anchors caused by hard water set at a high temperature. • Optional pipe cover Rinnai offers Southeastern Filtration’s “ScaleCutter • Wire nuts • Optional temperature Water Conditioning System” that offers superior lime •... - Page 6 Exhaust Outlet Clearances AIR SUPPLY INLET TERMINATION VENT TERMINAL Clearance in Ref. A also AREA WHERE TERMINAL applies to IS NOT PERMITTTED anticipated snow line SNOW Canadian Installations US Installations Description (CSA B149.1) (ANSI Z223.1 / NFPA 54) Clearance above grade, veranda, porch, deck, or balcony 12 inches (30 cm) 12 inches (30 cm) 6 in (15 cm) for appliances ≤...
- Page 7 Additional clearances Environment Air surrounding the water heater is used for Local codes supersede these clearances. combustion and must be free of any compounds that • Avoid termination locations near a dryer vent. cause corrosion of internal components. These • Avoid termination locations near commercial include corrosive compounds that are found in cooking exhaust.
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Page 8: Checklist To Determine Installation Location
Checklist to Determine Installation In addition, the solenoid valves should be connected Location electrically to a surge protector with terminals. This allows the solenoid valves to operate if the water □ The water heater is not exposed to corrosive heater is disabled due to a diagnostic code. compounds in the air. -
Page 9: Remove The Front Panel
An approved pressure relief valve is required by the American National Standard (ANSI Z21.10.3) for all Isolation Valves water heating systems, and shall be accessible for Rinnai strongly recommends the installation of servicing. isolation valves on the cold and hot water lines DO NOT because they provide the ability to isolate the water •... - Page 10 Piping Diagram for Basic Installation Rinnai Water Heater Rinnai Equipment List Rinnai Water Heaters RIK-KIT (Optional) (3/4" Fittings Include: 2 Unions, 2 Ball Valves, 2 Drain Valves and 1 Pressure Relief Valve.) 3/4" Hot Water Supply Line For Building Fixtures This is not an engineered drawing.
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Page 11: Checklist For Plumbing
□ Check for proper water pressure to the water corrosive.) heater. Minimum water pressure is 20 psi. Rinnai • Use approved connectors to connect the unit to recommends 60-80 psi for maximum the gas line. - Page 12 • Any compound used on the threaded joint of the Pipe Sizing Table - Natural Gas gas piping shall be a type which resists the action Schedule 40 Metallic Pipe of liquefied petroleum gas (propane / LPG). Inlet Pressure: less than 2 psi (55 inches W.C.) •...
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Page 13: Connect Electricity
Connect Electricity Adjust for High Altitude WARNING / AVERTISSEMENT On the Dip switches, set switches No. 2 and No. 3 to the values shown in table below for your altitude. Do not use an extension cord or an adapter plug with The default setting for the appliance is 0-2000 ft this appliance. -
Page 14: Installation Of Temperature Controller
Installation of Temperature Controller WARNING / AVERTISSEMENT Configurations A maximum of 4 temperature controllers can be Turn the power off. Do not attempt to connect the installed for a water heater or bank of water heaters. temperature controllers with the power on. Although This includes the controller built into an indoor water the controller is a low voltage device, there is 120 volt heater. -
Page 15: Mounting The Controller
3-5/16" securing screw Run the wiring between the controller and the Rinnai water heater or the controller and another controller as shown in the illustration on P.14. Remove the face plate from temperature controller using a screwdriver. Connect the cable to the temperature controller (refer to remote controller installation instructions for details). -
Page 16: Final Checklist
Final Checklist □ □ The water heater is not subject to corrosive If the water heater is not needed for immediate compounds in the air. use, then drain the water from the heat exchanger. □ The water supply does not contain chemicals or □... -
Page 17: Technical Data
Technical Data Specifications V53De Minimum Gas Consumption Btu/h 15,500 (LP & NG Both) Maximum Gas Consumption Btu/h 120,000 Hot water capacity (Min - Max) * 0.4 - 5.3 GPM (1.5 - 20.0 L/min) Temperature Settings (without temperature controller) 120° F (49° C), default or 140° F (60° C) Temperature Controller Default Setting 115°... -
Page 18: Dimensions
Dimensions DESCRIPTION V53De in (mm) Width 14.0 (356) Depth * 7.9 (202) Height - Unit 19.8 (503) Height - with 22.5 (571) brackets Hot Water Outlet - 3.4 (87) from wall * Hot Water Outlet - 4.1 (105) from center Cold Water Inlet - 2.7 (68) from wall *... -
Page 19: Pressure Drop And Water Flow Curves
Pressure Drop Curve Water Flow (gpm) Water Flow Curve delta T - Temperature Rise (°F) V53De Manual... -
Page 20: Ladder Diagram
Ladder Diagram V53De Manual... -
Page 21: Operation Instructions
V53De ....REU-AM1620WD-US Important Facts about your Water Heater Thank you for purchasing a Rinnai Tankless Water Heater. For proper operation and safety, it is important to follow the instructions and adhere to the safety precautions. Read all of the instructions and the warranty thoroughly before operating this water heater. Keep this manual in a safe place. -
Page 22: Consumer Operation Guidelines For The Safe Operation Of Your Water Heater
Consumer Operation Guidelines for the Safe Operation of your Water Heater FOR YOUR SAFETY READ BEFORE OPERATING WARNING If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. AVERTISSEMENT A. -
Page 23: How To Use The Temperature Controller
• Do not use this appliance if any part has been under exchanger flushed regularly. Rinnai provides a water. Immediately call a licensed professional to “Scale Control System” that offers superior lime... -
Page 24: How To Set The Temperature
How to Set the Temperature This water heater requires a minimum flow rate to operate. This rate can be found on the specification page in this manual. In some cases when you are not getting hot water or if the water alternates between hot and cold, it is due to the water flow being below or close to the minimum flow rate. - Page 25 Water temperatures over 125°F (52°C) can cause severe burns or scalding. Refer to the Danger Alert on water temperatures. Rinnai shall not, in any event, be liable for damages resulting from such misuse or misapplication. DO NOT adjust the other switches unless specifically WARNING / AVERTISSEMENT instructed to do so.
- Page 26 Temperature Options Without a Temperature Controller The default temperature setting for this appliance installed without a temperature controller is 120° F (49° C). If desired, the temperature setting can be changed to 140° F (60° C), as well as other temperature increments by push button adjustments, as described below.
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Page 27: Diagnostic Codes
Diagnostic Codes This water heater is designed to display diagnostic codes. If there is a potential operation concern refer to the code and remedy on the next page. Front Panel Display Indications Standby (power is supplied but there is no demand for hot water). Hot water is being supplied. - Page 28 “00” is substituted for Off button on the temperature controller 5 times. Repeated LC codes will eventually lockout “LC”) the water heater. Please call Rinnai technical department. Placeholder in Diagnostic code history indicating that a service provider performed maintenance or service. Maintenance Indicator...
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Page 29: Required Maintenance
Required Maintenance The appliance must be inspected annually by a licensed professional. Repairs and maintenance should be performed by a licensed professional. The licensed professional must verify proper operation after servicing. WARNING / AVERTISSEMENT To protect yourself from harm, before performing maintenance: •... -
Page 30: Freeze Protection And Winterizing
Clean the water filter protected to prevent freezing. Damage due to freezing is not covered by the warranty. Refer to the Clean the inlet water filter by closing the cold and hot section on Freeze Protection. water inlet isolation (shut-off) valves. Put a bucket •... -
Page 31: Flushing The Heat Exchanger
6. Place the drain hose (H3) and the hose (H2) to the pump inlet into the cleaning solution. 7. Open both service valves (V1 and V2) on the hot Rinnai water and cold water lines. Water Heater 8. Operate the pump and allow the vinegar to circulate through the water heater for at least 1 hour at a rate of 4 gallons per minute (15.1 liters per minute). -
Page 32: Manual Draining Of The Water Heater
Manual Draining of the Water Heater To avoid burns, wait until the equipment cools down WARNING / AVERTISSEMENT before draining the water. The water in the appliance will remain hot after it is turned off. If the water heater is not going to be used during a period of possible freezing weather, it is recommended that the water inside the water heater be drained. -
Page 33: Limited Warranty
[2] The air handler pump must be sized for the flow rate of the heat load, pressure losses through the air handler coil, pressure losses though the Rinnai tankless water heater, and piping and components connecting the air handler and tankless unit. Refer to the tankless water heater pressure loss curve and consult with the air handler/component manufacturer for pressure loss information. - Page 34 Limitation on Warranties No one is authorized to make any other warranties on behalf of Rinnai America Corporation. Except as expressly provided herein, there are no other warranties, expressed or implied, including, but not limited to warranties of merchantability or fitness for a particular purpose, which extend beyond the description of the warranty herein.
- Page 35 NOTES...
- Page 36 U340-1338(02) 100000561(03) 7/2019...