Rinnai REU-VAM1620W Operation And Installation Manual

Rinnai REU-VAM1620W Operation And Installation Manual

Outdoor tankless water heater for residential applications
Table of Contents

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ANS Z21.10.3
CSA 4.3
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
WARNING: If the information in these instructions is not
followed exactly, a fire or explosion may result causing
property damage, personal injury or death.
- 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 qualified
installer, service agency or the gas supplier.
Outdoor Tankless Water Heater
Operation and Installation Manual
V53e ................... REU-VAM1620W
For Residential Applications
Table of Contents.................................. 2
Consumer Safety Information ............... 4
Operating Instructions ........................... 5
Maintenance ......................................... 12
Installation Instructions ......................... 17
Consumer Support ................................ 36

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Summary of Contents for Rinnai REU-VAM1620W

  • Page 1: Table Of Contents

    Outdoor Tankless Water Heater Operation and Installation Manual V53e ....REU-VAM1620W For Residential Applications Table of Contents........2 Consumer Safety Information ....4 Operating Instructions ......5 Maintenance ......... 12 Front Panel Display and Error Codes ... 13 Installation Instructions ......17 Consumer Support ........
  • Page 2: Table Of Contents

    Table of Contents Specifications ............3 Installation Instructions ........17 General Instructions ........17 Consumer Safety Information ......4 Clearances from Appliance ......18 Safety Definitions ..........4 Attachment of the Water Heater ....18 Safety Behaviors and Practices ....... 4 Electrical Connection ........
  • Page 3: Specifications

    Energy Star Qualified * Minimum flow may vary slightly depending on the temperature setting and the inlet water temperature. Rinnai is continually updating and improving products. Therefore, specifications are subject to change without prior notice. The maximum inlet gas pressure must not exceed the value specified by the manufacturer. The minimum value listed is for the purpose of input adjustment.
  • Page 4: Consumer Safety Information

    • Power Failure: The appliance will cut off the gas if it loses electrical power. Description of Operation The Rinnai water heater is one of the most advanced Installation of the remote controller is highly water heaters available. It provides a continuous recommended.
  • Page 5: Operating Instructions

    Operating Instructions The V53e model does not come with a remote controller. There are several models of remote controllers that can be purchased separately. Their description, operation, and installation is provided in this manual in case a remote controller is purchased and installed. A maintenance display is provided in the front panel to indicate operating status and error codes.
  • Page 6: Remote Controllers - Models

    Remote Controllers - Models MC-91-1US Dimensions (inches): 3.5 W x 4.75 H x 0.75 D The MC-91 controller allows a maximum temperature setting of 140º F. In Use Indicator Priority Indicator Temperature Display Priority Button Thermostat ON/OFF Button MC-502RC-1US-S * (Wireless) Dimensions (inches): 4.33 W x 5.90 H x 1.16 D Priority Temperature...
  • Page 7 Remote Controllers - Models BC-100V-1US Dimensions (inches): 8.0 W x 4.125 H x 0.875 D The BC-100V controller is water resistant. Avoid splashing the controller. NOTICE Temperature Water Smart In Use Display Bath Fill Indicator Indicator ON/OFF Priority Button Button and Indicator Water Smart Bath Fill...
  • Page 8: Setting The Temperature With A Remote Controller

    98º F and Priority light will glow indicating 110º F. that this controller is controlling the temperature and that the Rinnai water heater is ready to Check local codes for the maximum NOTICE supply hot water. water temperature setting allowed...
  • Page 9: Temperature Ranges With A Remote Controller

    Temperature Ranges With a Remote Controller This water heater will attempt to provide hot water at the temperature setting even when the water flow is varied or when more than 1 tap is in use. The water heater can deliver water at only one temperature setting at a time. The available temperatures for a given model are provided below.
  • Page 10: Using The Water Smart / Bath Fill Function

    Monitor and remain by the bath Over Filling the temperature and that the while the water is running. Rinnai water heater is ready to • Use a low bath fill volume less supply hot water. than 25 gallons 2.
  • Page 11: Filling The Tub

    Using the Water Smart / Bath Fill Function Filling the Tub 1. Press the “Water Smart / Bath Fill” To stop the water flow during the Bath NOTICE button once. The button will Fill function, press the “Water Smart / illuminate, a tone will sound, and Bath Fill”...
  • Page 12: Maintenance

    Maintenance Snow Accumulation WARNING Keep the area around flue terminal free of snow and Turn off the electrical power supply, the manual gas ice. The appliance will not function properly if the valve and the manual water control valve whenever intake air or exhaust is impeded (blocked or partially servicing the unit.
  • Page 13: Front Panel Display And Error Codes

    Front Panel Display and Error Codes The Rinnai water heater has the ability to check its own operation continuously. If a fault occurs, an error code will flash on the display in the front panel and on the remote controller if installed. This assists with diagnosing the fault and may enable you to overcome a problem without a service call.
  • Page 14: Error Code Table

    Error Code Table Code Fault Remedy Thermal Fuse Check gas type of unit and ensure it matches gas type being used. Check for restrictions in air flow around unit and vent terminal. Check for low water flow in a circulating system causing short-cycling. Ensure dip switches are set to the proper position.
  • Page 15: Trouble Shooting For Common Issues

    I don’t have any hot water when I open the tap. water. Make sure there is gas, water, and electricity to the Rinnai water heater (power is turned on and the gas is Hot water must travel through your plumbing from the turned on).
  • Page 16: Flushing The Heat Exchanger

    V2. Connect drain hose (H3) to service valve V1. Pour approximately 4 gallons of virgin, food grade, white Rinnai vinegar or citric acid into pail. Water Heater Place the drain hose (H3) and the hose (H2) to the pump inlet into the cleaning solution.
  • Page 17: Installation Instructions

    Rinnai highly recommends all installers attend a product knowledge class. For information on a Rinnai Training Course or for questions on installation call 1-800-621-9419. General Instructions • Follow the installation instructions and those in the...
  • Page 18: Clearances From Appliance

    Clearances from Appliance to top to Non- to Combustibles Combustibles Top of 12 inches (305 mm) 2 inches (51 mm) Heater Back of 0 (zero) 0 (zero) Heater to side Front (Panel) 24 inches (610 mm) * 0 inches (0 mm) Front 24 inches (610 mm) 24 inches (610 mm) (Exhaust)
  • Page 19: Electrical Connection

    Rinnai water heater. If the debris before connection to the water heater. Rinnai water heater is not of the gas type that the building is supplied with, DO NOT connect the water • The gas supply line shall be gas tight, sized, and so heater.
  • Page 20: Pipe Sizing Procedure - Example

    (available from the local gas company). The gas input needs to include all gas products at the location and the maximum BTU usage at full load when all gas products are in use. Gas Input of Rinnai water heater (BTU / HR) Cubic Feet per Hour (CFH) = Heating Value of Gas (BTU / FT 2.
  • Page 21: Water Piping General Instructions

    • Ensure that the water filter on the Rinnai water • Purge the water line to remove all debris and air. heater is clean and installed.
  • Page 22: Freeze Protection Piping

    NOTICE Vacuum Breaker Warranty does not cover damage due to freezing. With electrical power and gas supplied to a Rinnai water heater, it will not freeze in environments as cold as -30º F when protected from direct wind exposure. Rinnai...
  • Page 23: Recommended Piping For Basic Installation

    Recommended Piping 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.
  • Page 24: Recommended Piping For Circulation Systems

    IMPORTANT: Connect the building Electric Water return line to the hot water supply line Heater as close as possible to the Rinnai Water Building Heater. Fixtures This is not an engineered drawing. It is intended only as a guide and not as a replacement for professionally engineered project drawings.
  • Page 25: Optional Piping For Circulation Systems

    The pump should be sized to overcome the pressure loss through the Rinnai water heater, supply and return plumbing. Refer - ence the Rinnai Hot Water System Design Manual, Pump Sizing for Circulation. Pump to be of bronze or stainless construc - tion.
  • Page 26: Flue Terminal Clearances (Ans Z21.10.3 ● Csa 4.3 )

    Flue Terminal Clearances ( ANS Z21.10.3 ● CSA 4.3) V53e Outdoor Manual...
  • Page 27: Ans Z21.10.3 ● Csa 4.3

    Flue Terminal Clearances ( ANS Z21.10.3 ● CSA 4.3) V53e Outdoor Manual...
  • Page 28: Additional Clearances

    (0.91 m) to ventilated or unventilated soffit or eve vent; or 36" to a deck or porch 12" (0.30 m) to an inside corner 2" (50 mm) between Rinnai terminals at same level IN S ID E C O R N E R V53e Outdoor Manual...
  • Page 29: High Altitude Installations

    Rinnai pressure activation valves (PVA’s) can be used Water heaters should be installed NOTICE to manifold 2 to 5 Rinnai water heaters in order to less than 18 inches apart to produce a stable water temperature and allow the prevent temperature fluctuations.
  • Page 30: Remote Controller Installation Location

    Remote Controller Installation Location • • The controller should be out of reach of small Avoid locations where the remote controller could children. be splashed with liquids. • • Avoid locations where the controller may become Do not install in locations where it can be adjusted hot (near the oven or radiant heater).
  • Page 31: Mounting On The Wall

    1. Determine a suitable location for the controller. 2. Make three holes in the wall as shown. 3. Run the cable between the controller and the Rinnai water heater or the controller and another controller. 4. Remove the face plate from the remote controller using a screwdriver.
  • Page 32: Operating Instructions

    Operating Instructions 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. A. This appliance does not have a pilot. It is •...
  • Page 33: Technical Data

    Technical Data Pressure Drop Curve V53e Water Flow (gpm) Outlet Flow Data V53e delta T - Temperature Rise (ºF) V53e Outdoor Manual...
  • Page 34: Dimensions

    Dimensions in (mm) DESCRIPTION V53e in (mm) Width 13.8 (350) Depth 7.3 (186) Height - Unit 20.9 (530) Height - with brackets 22.5 (571) Hot Water Outlet - from wall 2.8 (72) Hot Water Outlet - from center 4.1 (105) Cold Water Inlet - from wall 2.1 (53) Cold Water Inlet - from center...
  • Page 35: Ladder Diagram

    Ladder Diagram NEUTRAL FROST SENSING 3A(FUSE) SWITCH ARRESTER ANTI-FROST HEATER VARISTOR VARISTOR IGNITION RELAY 1 SWITCHING POWER SUPPLY DC12V DC170V DC40V DC12.6V DC5V WATERFLOW MODULATING SENSOR SOLENOID VALVE WATERFLOW MODULATING SENSOR VALVEPOWER CIRCUI T CONTROL WATERFLOW CIRCUI T CONTROL DEVICE WATERFLOW CONTROL DEVICE CIRCUI T...
  • Page 36: Consumer Support

    Limited Warranty What is covered? This Warranty covers any defects in materials or workmanship when the product is installed and operated according to Rinnai written installation instructions, subject to the terms within this Limited Warranty document. This Warranty applies only to products that are installed correctly.
  • Page 37: Limited Warranty

    Replacement of the product may be authorized by Rinnai only. Rinnai does not authorize any person or company to assume for it any obligation or liability in connection with the replacement of the product. If Rinnai determines that repair of a product is not possible, Rinnai will replace the product with a comparable product at Rinnai’s discretion.
  • Page 38 Notes V53e Outdoor Manual...
  • Page 39 Notes V53e Outdoor Manual...
  • Page 40: Register Your Product At Www.rinnairegistration.com Or

    • Up to 83% AFUE Energy Efficiency • Zero-Clearance Installation • Available in Four Options of Fronts • Remotes and Fan Included • Gas Conversion Kit Available Hydronic Air Handler Designed for Use with Rinnai Systems • Domestic Hot Water Priority • Optional Programmable Thermostat •...

This manual is also suitable for:

V53e

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