Noritz NR98-DVC-CA Owner's Manual

Noritz NR98-DVC-CA Owner's Manual

Tankless gas water heater
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TANKLESS GAS WATER HEATER
Owner's Guide
Canada
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 qualified installer, service
agency or the gas supplier.
CERTIFIED
R
Accepted For Use
City of New York
Department of Buildings
MEA 19-03-E
SBA8352
Rev. 09/09
Model NR98-DVC-CA
FOR USE IN RESIDENTIAL, COMMERCIAL, OR MANUFACTURED HOME APPLICATIONS.
If the information in this manual is not followed exactly, a fire or explosion
may result causing property damage, personal injury, or death.
Thank you for purchasing this Noritz Tankless Gas Water Heater.
Before using, please:
Read this manual completely for operation instructions.
Completely fill out the warranty registration card (included separately) and
mail the detachable portion to Noritz America Corporation.
Keep this manual (and the remainder of the warranty registration card) where it
can be found whenever necessary.
Installation must conform with local codes, or in the absence of local codes,
the National Fuel Gas Code, ANSI Z223.1/NFPA 54.
When applicable, installation must conform with the Manufactured Home
Construction and Safety Standard, Title 24 CFR, Part 3280 or the Canadian
Standard CAN/CSA-Z240 MH Mobile Homes, Series M86.
Noritz America reserves the right to discontinue, or change at any time, the
designs and/or specifications of its products without notice.
NORITZ America Corporation
*SBA8352*

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Summary of Contents for Noritz NR98-DVC-CA

  • Page 1 Construction and Safety Standard, Title 24 CFR, Part 3280 or the Canadian Standard CAN/CSA-Z240 MH Mobile Homes, Series M86. Noritz America reserves the right to discontinue, or change at any time, the Accepted For Use designs and/or specifications of its products without notice.
  • Page 2: Important Safety Information

    Important Safety Information-1 To prevent damage to property and injury to the user, the icons shown below will be used to warn of varying levels of danger. Every indication is critical to the safe operation of the water heater and must be understood and observed. Potential dangers from accidents during installation and use are divided into the following four categories.
  • Page 3 3. Turn off gas and water supply WHAT TO DO IF YOU SMELL GAS. valve. • Do not try to light any 4. Call the nearest Noritz agent appliance. • Do not touch any electrical Explosion Hazard ; switch; do not use any phone in your building.
  • Page 4 Be sure result. to do. Outdoor For Natural Gas Leave the proper clearance between the water heater and nearby objects NR98-DVC-CA (trees, timber, boxes with flammable 199,900 BTU Be sure 11,000 BTU to do. materials etc.). 10.5"...
  • Page 5 Shock. The gas conversion kit shall be installed by a qualified service agency in accordance with Consult the nearest Noritz agent if the manufacturer’s instructions and all the water heater location needs to applicable codes and requirements of the be changed.
  • Page 6 1350m (4500 ft.) above sea level. unit for an extended period of time. Do not drink the first use of hot water from the For installations at higher elevations, contact Noritz unit in the morning. America for Instructions.
  • Page 7: Table Of Contents

    Contents Important Safety Information ............... 2 Contents ......................7 General Parts Main Unit ....................8 Operation Panel ..................9 Initial Operation ................... 10 How to Use Muting the Operation Panel ..............11 Setting and Using the Water Heater ............12 Flow Meter Alarm ..................
  • Page 8: General Parts

    General Parts Main Unit Indoor Wall Mounted, Power Vent/Sealed Model Concentric Pipe Front Cover Operation Panel Water Drain Valve (with Water Filter) (Inside Water Inlet) p.20) Pressure Relief Valve Water Supply Valve Gas Supply Valve * The above illustration shows an example of installation. The exact installation configuration may be slightly different.
  • Page 9: Operation Panel

    Operation Panel (RC-7650M) What is actually displayed depends on how the water heater is set. Burner On Indicator Setting Buttons When burning, the For setting the hot indicator is lit. water temperature, p.13 and 15) the flow meter alarm, and other settings. Priority Indicator When this indicator is lit, the hot water temperature...
  • Page 10: Initial Operation

    Initial Operation Before the first use of your water heater, make the following preparations. 1 through 4 Follow steps Open the water supply valve. OPEN CLOSED Open a hot water fixture to confirm that water is available, and then close the fixture again.
  • Page 11: How To Use

    How to Use Muting the Operation Panel The operation panel will emit a sound when any button is pushed. This sound can be muted if it is desired. * Initial factory setting is with sound Hold the Power On/Off Button for five seconds. Muted Sound No sound...
  • Page 12: Setting And Using The Water Heater

    How to Use Setting and Using the Water Heater (Starting with the Power Off) Press the Power On/Off Button. The temperature will be displayed on the operation panel thermostat. Previous set temperature (Ex.: 40°C (104°F)) DANGER To prevent scalding: High Temperature °...
  • Page 13 The temperature settings below are examples. The temperature setting °C (°F) : necessary depends on the usage, the length of piping and the time of year. The maximum output tem- Contact the installer or Noritz perature can be set using America when setting the the operation panel.
  • Page 14: Flow Meter Alarm

    How to Use Flow Meter Alarm (Starting with the power off) Set temperature. Press the Power Preparation Always check On/Off Button temperature setting before use. Plug the bath drain. Cold The temperature will be displayed on the operation panel thermostat. Check the indicator lights.
  • Page 15 Water Temperature An alarm will sound for ten seconds when the flow The temperatures settings below are only examples. The °C (°F) : temperature setting necessary will depend on the usage, reaches the set level. the length of piping and the time of year. 37 38 39 40 41 42 43 44 45 46 47 48 (99) (100) (102) (104) (106) (108) (109) (111) (113) (115) (117) (118) Warm...
  • Page 16: Adjusting The Maximum Output Temperature

    How to Use Adjusting the Maximum Output Temperature Change the Turn off the Press and hold the flow temperature using meter alarm set button until power. the setting buttons. a sound is heard (2 sec.). Tone sounds after 2 sec. Down The upper limit of the hot-water supply temperature can be changed to 37°C...
  • Page 17: Preventing Damage From Freezing

    * The freeze prevention heaters will not prevent the plumbing external to the unit from freezing. Protect this plumbing with insulation, heat tape or electric heaters, solenoids, or pipe covers. If there remains a freezing risk, contact the nearest Noritz agent. Take the measures below for extremely cold temperatures*.
  • Page 18 Preventing Damage from Freezing-2 If the water heater will not be used for a long period of time, Drain the water. Drain the water as follows: CAUTION To avoid burns, wait until the equipment cools down before draining the water. The appliance will remain hot after it is turned off.
  • Page 19: Regular Maintenance

    Regular Maintenance-1 Periodic Inspection CAUTION To prevent burns or scalding, turn off the power button and wait until the equipment cools before performing maintenance. Be sure to do. For dust and soot Check For laundry, newspaper, timber, Check in the flue terminal. oil, spray cans and other combustible materials.
  • Page 20 They allow for full diagnostic testing and easy flushing of the system. * The kit includes two full port isolation valves and a pressure relief valve for the hot side. Contact Noritz for more information. Hot Water Service Valve Pressure Relief Valve...
  • Page 21: Troubleshooting

    Troubleshooting-1 Initial Operation • Check for reversed plumbing or crossed pipes. Unit does not attempt to ignite • Check the water drain valve filter. ( p.20 ) when water is running. Unit attempts to ignite but fails • Reset unit and try again. There may be air in the gas line. •...
  • Page 22 Troubleshooting-2 (Continued) • The unit will not heat the water if the flow rate is less than The water is cold when only a 2L (0.5 gallons) per minute. single fixture is open. Open the fixture more or open other fixtures so that a greater flow passes through the unit, and the unit should begin heating again.
  • Page 23 Operation Panel • Has there been a power failure? The light on the power button does not come on. • Is the power connected properly? The water temperature changes • The temperature setting and the flow meter alarm setting after a power failure or when the may both need to be reset after a power outage.
  • Page 24 Sulfate ion : 250 mg/L or less Residual chlorine : 4 mg/L or less * Maximum limit suggested by Noritz. åÃè·ï\é¶Ç Ç®í≤Ç◊Ç≠ÇæÇ≥Ç¢ åÃè·ï\é¶Ç Ç®í≤Ç◊Ç≠ÇæÇ≥Ç¢ Check for an Error Code on the Operation Panel If there is a problem with the unit, a numerical error code will flash on the operation panel.
  • Page 25: Follow-Up Service

    For repairs after the warranty period, there will be a charge on any service, and service will only be performed if the unit is deemed repairable. Period of Time for Stocking Repair Parts Noritz will stock repair and maintenance parts for this unit within twelve (12) years of the date of original installation. Reinstallation If you want to reinstall the appliance at a different location, confirm that the gas and power supply indicated on the rating plate are available at the new location.
  • Page 26 This work must be performed by either Noritz or a qualified service agency and will be charged for even during the warranty period. The qualified installer will also be responsible for purchasing the gas conversion kit directly from the manufacturer.
  • Page 27: Specifications

    • Specifications may be changed without prior notice. Specifications • The capacity may differ slightly, depending on the water pressure, water supply, piping conditions, and water temperature. Specifications Item Specification Model Name NR98-DVC-CA Type Installation Indoor Wall Mounted Air Supply/Exhaust Power Vented Direct Ignition Ignition...

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