Rheem Ecosense ECO-180DV Use & Care Manual

Rheem Ecosense ECO-180DV Use & Care Manual

Direct vent gas tankless water heater

Advertisement

Direct Vent Gas
Tankless Water Heater
Paloma
PH-25RDVS (N,P)
Rheem/ Ecosense
RTG-66DV (N,P)
ECO-180DV (N,P)
Ruud RUTG-66DV (N,P)
Richmond
RMTG-66DV (N,P)
Direct Vent Water Heater
WARNING:
!
a fire or explosion may result, causing property damage, personal injury or death.
FOR YOUR SAFETY!
!
— Do not store or use gasoline or other
flammable vapors or liquids or other
combustible materials in the vicinity of
this or any other appliance. To do so may
result in an explosion or fire.
— 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
Printed in Japan
The purpose of this manual is twofold: one, to provide the installer with
the basic directions and recommendations for the proper installation
and adjustment of the water heater; and two, to the owner–operator,
to explain the features, operation, safety precautions, maintenance and
troubleshooting of the water heater. This manual also includes a parts
list.
It is very important that all persons who are expected to install, operate
or adjust this water heater read the instructions carefully so they may
understand how to perform these operations. If you don't understand
these instructions or any terms within it, seek professional advice.
Any questions regarding the operation, maintenance, service or warranty
of this water heater should be directed to the seller from whom it was
purchased. If additional information is required, refer to the section on
If You Need Service.
Do not destroy this manual. Please read carefully and keep in a safe
place for future reference.
If the information in these instructions is not followed exactly,
CERTIFIED
R
Use & Care Manual
With Installation Instructions for the Installer
Warning: This water heater is not suitable
!
for use in manufactured (mobile) homes!
Recognize this symbol as an indication of Important Safety
!
Information!
California Proposition 65 Warning: This product contains
!
chemicals known to the State of California to cause cancer, birth
defects or other reproductive harm.
gas supplier's instructions.
If you cannot reach your gas supplier, call
the fire department.
Do not return to your home until authorized
by the gas supplier or fire department.
— Improper installation, adjustment,
alteration, service or maintenance can cause
property damage, personal injury or death.
Refer to this manual. Installation and service
must be performed by a qualified installer,
service agency or the gas supplier.
®
31-92683-000
AP14558 (01/08)

Advertisement

Table of Contents
loading

Summary of Contents for Rheem Ecosense ECO-180DV

  • Page 1 Any questions regarding the operation, maintenance, service or warranty of this water heater should be directed to the seller from whom it was purchased. If additional information is required, refer to the section on If You Need Service.
  • Page 2: Table Of Contents

    READ THIS MANUAL Inside you will find many helpful hints on how to use and maintain your water heater properly. A little preventive care on your part can save you time and money over the life of your water heater.
  • Page 3 Be sure to read and understand the entire Use and Care Manual before attempting to install or operate this water heater. It may save you time and money. Pay particular attention to the Safety Instructions. Failure to follow these warnings could result in serious bodily injury or death. Should you have problems understanding the instructions in this manual, or have any questions, STOP, and get help from a qualified service technician, or the local gas utility.
  • Page 4: Important Safety Information

    Safety and energy conservation are factors to be considered when selecting the water temperature setting of a water heater’s remote control. Water temperatures above 125°F (52°C) can cause severe burns or death from scalding. Be sure to read and follow the warnings outlined on the label pictured below.
  • Page 5: High Altitude Adjustment

    LP gas. To avoid possible equipment damage, personal injury or fire, do not connect the water heater to a fuel type not in accordance with the unit data plate; propane for propane units and natural gas for natural gas units.
  • Page 6: Safety Precautions

    Have the installer show you the location of the gas shut-off valve and how to shut it off if necessary. Turn off the manual shut-off valve if the water heater has been subjected to overheating, fire, flood, physical damage or if the gas supply fails to shut off.
  • Page 7: Location

    Installing the water heater : This water heater must be installed in accordance with these instructions, local codes, utility company requirements and/or in the absence of local codes, use the latest edition of the American National Standard/ National Fuel Gas Code. A copy can be purchased from either the American Gas Association, 400 North Capitol Street Northwest, Washington, DC 20001 as ANSI standard Z223.1 or National Fire Protection...
  • Page 8: Inspect Shipment

    . Inspect Shipment Inspect the water heater for possible damage . Check the markings on the rating plate of the water heater to be certain the type of gas supplied corresponds to the water heater requirements . Verify all included parts are present (see below) .
  • Page 9: Venting

    The water heater must be installed with a 3”/5” diameter UL approved Category III Coaxial Stainless Steel appliance coaxial vent pipe and an appropriate adapter. Venting DANGER: Failure to The installation of venting must comply install the appliance vent with national codes, local codes and the adapter and properly vent vent manufacturer’s instructions .
  • Page 10: Installing The Water Heater

    . See the diagram on page 14 showing UPWARD slope for vertically vented water heaters .
  • Page 11 X air Supply inlet V Vent terminal Horizontal Vent Terminal Location The following information should be used for determining the proper location of the vent terminal for direct vent tankless water heaters . A= Clearance above grade, veranda, porch, deck or balcony . B= Clearance to window or door that may be opened .
  • Page 12 Installing the water heater: Indoor Water Heater Caulk Rising moisture will collect under eaves . If soffit vent is too close, block off and install new 6’ vent at another location . (1 .8 m) Inside Caulk 6’ (1 .8 m)
  • Page 13 Installing the water heater: Inner Wall Outer Wall Plate Inner Wall Plate 94° Elbow Vent Appliance Pipe Vent Adapter Outer Wall Water Heater Outside Wall Mounting Brackets Side View Side View WARNING: Use UL approved Category III vent material only. No other vent material is permitted.
  • Page 14: Vertical Vent Termination Location

    Min . 18" (46 cm) Above Roof for installations in Canada . Vertical Vent Installation A fire stop plate should be installed at every Notice: Only Rheem penetration of a floor or ceiling if the vent approved termination is not running in a fire-rated shaft . Maintain...
  • Page 15: Water Connections

    Reinforcement of the wall is Wall studs should be utilized when mounting required in case the wall is the water heater to the wall . Alternately, a not strong enough to hold the appliance. suitable piece of wood may be placed inside or outside of the wall to span the distance between the wall studs .
  • Page 16: Water Connections

    Water Supply Connections, continued Notice: If the water flow resistance of a shower head is too high, the burner in the water heater will fail to ignite . Keep the shower head clean from debris that could cause additional pressure drop .
  • Page 17: Relief Valve

    The BTUH rating of the relief valve must ● equal or exceed the BTUH input of the water heater as marked on its rating plate . No valve of any type should be installed ● between the relief valve and the water...
  • Page 18: Gas Supply

    Installing the Main Remote Control: WARNING: Do not attempt to convert this water heater for use with a different type of gas other than the type shown on the rating plate. Such conversion could result in hazardous operating conditions. Gas Supply...
  • Page 19: Remote Control

    . Additional remote controls may remote control will allow be purchased separately . Up to three (3) remote a maximum temperature controls can be used with this water heater . setting of 120°F (49°C). Temperatures of up to The following are considerations for 140°F (60°C) can be...
  • Page 20: Remote Control

    Control Cable Control Screw Connecting the remote control to the water heater: Ensure that the power to the water heater ● has been disconnected . Loose the 3 screws located on the remote ● control connection cover made of white plastic (see the diagram on the left top) .
  • Page 21: Electrical Connection

    The electric power supply requirement for this water heater is 120 VAC/60HZ, 2 Amps . The water heater comes with a three (3) pin power supply cord . Use only a power outlet with a ground terminal . The installation of an GFCI (Ground Fault Circuit Interrupter) is recommended .
  • Page 22: Typical Installation

    Installing the water heater: Typical Installation of Water Heater (Venting Required) 94° Elbow Vent Adapter Drain Valve To Hot Water Faucet(s) Union Power Supply Cord Drain Valve (To Suitable Drain) Vacuum Relief Valve (Not Supplied) If required, install per local codes and valve manufacturer’s...
  • Page 23: Pipe Insulation

    . This water heater does not store water instructions included making an insulation blanket unnecessary . with the kit must be carefully followed.
  • Page 24: Installation Checklist

    . C. Gas Supply ❑ Gas type matches rating plate . ❑ Gas supply pressure is sufficient for the water heater . Gas line equipped with shut-off valve, union and ❑ sediment trap . Approved pipe joint compound used .
  • Page 25: Lighting The Water Heater

    Before operating this water heater, be sure to read and follow the instructions on the label pictured below and all other labels on the water heater, as well as the warnings printed in this manual. Failure to do so can result in unsafe operation of the water heater, resulting in property damage, personal injury or death.
  • Page 26: Water Temperature

    Operating the water heater: Safety Precautions Do turn off manual gas shut-off valve if water heater has been subjected to overheating, fire, flood, physical damage or if the gas supply fails to shut off . Do Not turn on water heater unless water and gas supplies are fully opened .
  • Page 27: Water Temperature

    Notice: The water heater may not operate with a small water flow . In such case, increase the water flow . If water heater still does not operate and hot water faucet is completely open, increase the temperature setting on the remote control .
  • Page 28: Care And Cleaning

    . Housekeeping Before performing Housekeeping tasks DANGER: Shock Hazard to this water heater, turn the unit off and Make sure the electrical disconnect the power supply . power to the water heater Vacuum around the water heater for dust, is off to avoid potential dirt and lint on a regular basis .
  • Page 29: Vent Inspection

    . Vacation and Extended Shut-Down NOTICE: Refer to the If the water heater is to remain idle for an Freeze Protection Section extended period of time, the power and water on page 30.
  • Page 30: Draining

    -30°F (-34°C) (without wind conditions) . This device only protects the internal components of the water heater . It does NOT Draining the Water Heater Below are instructions for draining water out of the water heater .
  • Page 31: Troubleshooting Tips

    Fan continues to rotate after hot water faucet is closed . CAUTION: Make certain power to water heater is “OFF” before removing protective cover FOR ANY REASON. CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation.
  • Page 32 .) CAUTION: Make certain power to water heater is “OFF” before removing protective cover FOR ANY REASON. CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation.
  • Page 33: Parts List

    Solenoid Instructions For Placing a Parts Order Address parts orders to the distributor or store where the water heater was purchased . All parts orders should include: The model and serial number of the water heater from the rating plate .
  • Page 34: Maximum Temperature

    ● temperature. Turn on the gas and water shut off valves. ● Check and ensure safe operation and performance ● of the water heater. In Use Indicator (Lit during operation) Notice: Display shows °F only . temperature and error See steps below to LIMIT maximum water temperature setting to 120°F (49°C).
  • Page 35: Adjustment

    High Altitude DIP Switch Adjustment For High Altitude Installation above 3,280 Feet (1,000m): When the water heater is installed above 3,280 feet (1,000m), the adjustment of DIP switch is required for high altitude installation . Without adjusting the DIP switch, the water heater may not function properly .
  • Page 36: If You Need Service

    Manufacturer’s National Service Department at the following address: When contacting the manufacturer, the following information will be requested: a . Model and serial number of the water heater as shown on the rating plate attached to the front panel of the heater .

Table of Contents