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Installation Manual
TANKLESS GAS WATER HEATER
NR98OD (GQ-2857WX US)
Potential dangers from accidents during installation and use are divided into the following three
categories. Closely observe these warnings, they are critical to your safety.
DANGER
WARNING
CAUTION
WARNING:
If the information in this manual is not followed exactly, a fire or explosion may result
causing property damage, personal injury or death.
Prohibited
Requests to Installers
• In order to use the water heater safely, read this installation manual carefully, and follow the
installation instructions.
• Failures and damage caused by erroneous work or work not as instructed in this manual are not
covered by the warranty.
• Check that the installation was done properly in accordance with this Installation Manual upon
completion.
• After completing installation, please either place this Installation Manual in a plastic pouch and
attach it to the side of the water heater (or the inside of the pipe cover or recess box if applicable),
or hand it to the customer to retain for future reference. Also, be sure to fill in all of the required
items on the warranty and to hand the warranty to the customer along with the Owner's Guide.
CERTIFIED
R
Low NOx
Approved by
SCAQMD
14 ng/J or 20 ppm
(Natural Gas Only)
SBB80J4-2
Rev. 01/17
(Outdoor Installation)
DANGER indicates an imminently hazardous situation which,
if not avoided, will result in death or serious injury.
WARNING indicates a potentially hazardous situation which,
if not avoided, could result in death or serious injury.
CAUTION indicates a potentially hazardous situation which,
if not avoided, may result in minor or moderate injury.
Disconnect
Power
CAUTION
FOR USE IN RESIDENTIAL OR MANUFACTURED HOME APPLICATIONS.
Installation must conform with local codes, or in the absence of
local codes, the National Fuel Gas Code, ANSI Z223.1/NFPA 54-
latest edition and/or the Natural Gas and Propane Installation
Code CSA B149.1 - latest edition.
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.
Ground
NORITZ AMERICA
CORPORATION
Be sure to do
*SBB80J4*
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Related Manuals for Noritz ProTouch NR98OD
Summary of Contents for Noritz ProTouch NR98OD
- Page 1 3280 or the Canadian Standard CAN/CSA-Z240 MH Mobile SCAQMD Homes, Series M86. 14 ng/J or 20 ppm Noritz America reserves the right to discontinue, or change at any time, the designs and/or specifications of its products without notice. (Natural Gas Only) SBB80J4-2 Rev.
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Page 2: Included Accessories
Included Accessories The following accessories are included with the unit. Check for any missing items before starting installation. Part Shape Q’ty Part Shape Q’ty Owner's Guide, Warranty, Cross Recessed Installation Manual Head Screw each (this document) Remote Controller Remote Controller (See p. -
Page 3: Quick Connect Multi System Installation
Quick Connect Multi System Installation • The Quick Connect Multi System allows the installation of two units together utilizing only the Quick Connect Cord. The Quick Connect Cord is 6 ft.(2m) long. Install the units 2-18" (50 - 457mm) apart from each other to ensure the cord will be able to reach between the units. -
Page 4: Before Installation
Before Installation WARNING Check the Gas • Check that the rating plate indicates the correct type of gas. • Check that the gas supply line is sized for 199,900 Btuh. Check the Power • The power supply required is 120VAC, at 60Hz. May result in fire or electric shock. - Page 5 WARNING • Avoid places where fires are common, such as those where gasoline, benzene and adhesives are handled, or places in which corrosive gases (ammonia, chlorine, sulfur, ethylene compounds, acids) are present. Prohibited Using the incorrect voltage may result in fire or cracking. •...
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Page 6: Installation Clearances
Installation Clearances WARNING Before installing, check for the following: Install in accordance with relevant building and mechanical codes, as well as any local, state or national regulations, or in the absence of local and state codes, to the National Fuel Gas Code ANSI Z223.1/NFPA 54 –... - Page 7 Clearance Requirements from Vent Terminations to Building Openings * All clearance requirements are in accordance with ANSI Z21.10.3 and the National Fuel Gas Code, ANSI Z223.1 and in Canada, in accordance with the Natural Gas and Propane Installation Code CSA B149.1. Vent Terminal Air Supply Inlet Area Where Terminal...
- Page 8 Installation Securing to the wall • The weight of the device will be applied to the wall. If the strength of the wall is not sufficient, reinforcement must be done to prevent the transfer of vibration. • Do not drop or apply unnecessary force to the device when installing. Internal parts may be damaged and may become highly dangerous.
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Page 9: Gas Piping
The installer must be professionally trained to do such work and must always follow all local and national codes and regulations. Gas line sizing calculations must be performed for every installation. Please contact Noritz America at 866-766-7489 if you have any questions or concerns. - Page 10 Refer to the NFPA 54 for details. Please contact Noritz for details. For corrugated stainless steel tubing (CSST) capacity tables, please consult with the manufacturer.
- Page 11 BTU/Cubic Foot ratings. For simplification of your calculations, 1 Cubic Foot of Gas is approximately equivalent to 1000 BTU. Sample Gas Line Instructions 1. Size each outlet branch starting from the furthest Noritz Tankless Gas Water Heater using the Btuh required and the length from the meter. Barbecue (199,900 Btuh) 2.
- Page 12 Table 3. Maximum Undiluted Propane (LP) Delivery Capacity in Thousands of BtuH (0.5” WC Pressure Drop) [Schedule 40 Metallic Pipe] Length (including fittings) Pipe 100' 125' 150' 175' 200' Size (3m) (6m) (9m) (12m) (15m) (18m) (24m) (30m) (38m) (45m) (53m) (60m) 1/2"...
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Page 13: Water Piping
Installation and service must be performed by a qualified plumber. In the Water Piping Commonwealth of Massachusetts, this product must be installed by a licensed plumber or gas fitter in accordance with the Massachusetts Plumbing and Fuel Gas Code 248 CMR Sections 2.00 and 5.00. Observe all applicable codes. This appliance is suitable for combination potable water and space heating applications. - Page 14 Source: EPA National Secondary Drinking Water Total Dissolved Solids : 500 mg/L or less Regulations (40 CFR Part 143.3) Zinc : 5 mg/L or less Sulfate ion : 250 mg/L or less Residual chlorine : 4 mg/L or less * Maximum limit suggested by Noritz.
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Page 15: Water Treatment System
"* will flash on the Remote Controller. When the error code " "* is displayed, the Heat Exchanger needs to be flushed to prevent damage from Scale Build-up. Refer to the "Procedure for flushing the Heat Exchanger" on page 16 or contact Noritz America for more information. (http://support.noritz.com/ or 866-766-7489) * = 1, 2, 3, 4, F... - Page 16 Procedure for Flushing the Heat Exchanger This procedure is only intended for use by a qualified service professional or authorized Noritz Service Representative. Any unauthorized use of this procedure may result in voiding the warranty.Please contact Noritz America (866-766-7489) for additional support.
- Page 17 Flushing the Heat Exchanger (For Single Unit) 1. Open the Front Cover. 2. Connect the blue connector***** marked "FLUSH" for flushing near the Circuit Board. Water Heater Circuit Board Connect ***** The connector color is blue and labeled “FLUSH”. Manifold Plate FLUSH 3.
- Page 18 1. Connect the blue connector marked "FLUSH" for unit needing to be flushed. (The water heater is isolated from Quick Connect Multi system when the blue connector marked "FLUSH" for flushing is connected. Not need to disconnect the Connect Cord.) Sub Water Heater Main Water Heater Connect...
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Page 19: Plumbing Applications
3. Set the Aquastat to 10˚F below the set output temperature. An aquastat is the minimum pump control requirement in order to maintain the full recirculation waranty. Expansion Tank 4. Noritz recommends the use of an Isolation Kit with (Install according the installation. Isolation... -
Page 20: Electrical Wiring
Electrical Wiring Consult a qualified electrician for the electrical work. Do not connect electrical power to the unit until all electrical wiring has been completed. Disconnect Power This appliance must be electrically grounded in accordance with local codes, or in the absence of local codes, with the National Electrical Code, ANSI/NFPA 70. In Canada, the latest CSA C22.1 Electrical Code. Caution: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing. Field wiring to be performed at time of appliance installation. WARNING Electrical Shock Hazard Do not turn power on until electrical wiring is finished. Disconnect power before servicing. Failure to do so may result in death or serious injury from electrical shock. -
Page 21: Remote Controller
Remote Controller • Applicable Model * Remarks [125 °F / 55 °C] RC-7651M Remote controller Celsius display mode Fahrenheit display mode Install the remote controller according to the instructions in the Installation Guide (p. 28). * Only one remote controller can be connected to the water heater. A malfunction may occur if two or more remote controllers are connected. * The water heater has been factory set to allow a maximum temperature setting of [120 °F / 50 °C]. To access higher temperature settings through the remote controller, follow the below steps. <When setting the maximum temperature to [125 -140 °F / 55 - 60 °C]> 1. Turn the water heater off by pressing the Power On/Off Button on the remote controller. 2. Press and hold the FLOW METER ALARM SET Button until a sound is heard (2 sec.) and [120 °F / 50 °C] appears on the display. 3. S et the upper limit of the hot-water supply temperature to [125 °F, 130 °F, 135 °F or 140 °F / 55 °C or 60 °C] using the UP and DOWN setting Buttons. 4. To put the water heater back into operation, press the Power On/Off Button on the remote controller. To keep the water heater off, let the unit sit for 30 sec. to return to the original display. • This unit can be programmed so that it will default to one of three temperatures if the remote controller is removed [140 °F (60 °C), 130 °F (54 °C), 125 °F (52 °C)]. To change the default temperature, adjust the dip switches as described below. The default temperature is 120 °F (50 °C). - Page 22 Connecting Remote Controller Cord to Unit • Keep the remote controller cord away from the freeze prevention heaters in the unit. • Tie the redundant cord outside the water heater. Do not put the extra length inside the equipment. • The remote controller cord can be extended up to 300' (90m) with 18AWG wire. •...
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Page 23: Pump Wiring
* This feature is not available when using the Quick Pump Wiring Connect Multi System feature. Connecting the pump control wire 1. Leave enough slack so that the pump control wires will stay connected if the unit is removed from the Pump Control wall. Wire Tag 2. Remove the front cover of the heater (4 screws). 3. Cut off the connector at the end of the pump Crimping Terminal control wires. 4. Wire the pump control wires through the wiring throughway and connect them to the wiring inside the pump (this will be the power supply for the pump, do not also connect 120VAC to the pump). Wiring If a large pump is being used (greater than 85W) use Supplies Power for Throughway the voltage from these wires as the signal to close a Circulating Pump normally open relay through which 120VAC will be (Use a Relay for supplied directly from a wall circuit to the pump. Larger Pumps) 5. Replace the front cover. - Page 24 For Quick Connect Multi System Installation Connecting Quick Connect Cord-2 use part #QC-2 only. (sold separately). Caution The wire coloring on the Quick Connect Cord-2 will not be the same as the wire coloring of the connection plug inside the unit. 1.Red 1.Red 1.White...
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Page 25: Maintenance
Maintenance Periodically check the following to ensure proper operation of the water heater. • The venting system must be examined periodically by a qualified service technician to check for any leaks or corrosion. • The burner flame must be checked periodically for a proper blue color and consistency. • If the flame does not appear normal, the burner may need to be cleaned. •... -
Page 26: Lighting Instructions
CAUTION Handling after trial operation • If the unit will not be used immediately, close off all gas and water shutoff valves, drain all of the water out of the unit and the plumbing system to prevent the unit and system from freezing, and bleed the gas out of the gas line. Freezing is not covered by the warranty. WARNING A fire or explosion may result if these instructions are not followed, which may cause lose of life, personal injury or property damage. Lighting Instructions This water heater does not have a pilot. It is equipped with an ignition device that automatically lights the burner. Do not try to light the burner by hand. 1. Read the safety information in the installation manual or on the front of the water heater. 2. Turn off all electrical power to the unit. 3. Do not attempt to light the burner by hand. 4. Turn the gas control manual valve (external to the unit) clockwise to the off position. 5. Wait five minutes to clear out any gas. If the smell of gas remains, stop, and follow the instructions on page 3 of Owner's Guide. - Page 27 Dimensions 13.2" (336mm) < inch (mm) > 4-Ø0.5" (Ø13mm) 13.8" (350mm) 2-0.3x0.5" (6.5x13mm) OBLONG HOLE 13.1" (334mm) 4.7" (120mm) 9.9" (252mm) 2.4" (61mm) 3.3" (85mm) 9.4" (240mm) 0.4" (10mm) 0.4" (10mm) 2.0" (50mm) 1.1" (28mm) FLUE COLLAR AIR INLET AIR INLET 0.4"...
- Page 28 For Installers: Read this installation guide Remote Controller RC-7651M carefully before carrying out installation. Installation Guide NORI T Z AMERI C A CORPORATI O N Note Do not connect power to the water heater before the remote controller has been properly installed. Recommended installation location of the remote controller is in a bathroom.
- Page 29 Installation 3. Remove the cover of the remote control, 1. Apply Wall Packing to the rear side of the mark the location of the screw holes, and remote controller. drill holes for the wall anchors. 2. Connect the remote controller wires to the 4.
- Page 30 Installing the Remote Controller Outdoor Junction Box 5. Slide the box nut over the remote controller 1. Insert the remote controller wires through wires and screw it onto the wall pipe. the wall pipe and secure the wall pipe to the remote controller.
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Page 31: Post Installation Checks
Requests to Installers Optional Remote Controller ● In order to use the water heater safely, read this installation guide carefully, and follow the installation instructions. RC-9018M ● Failures and damage caused by erroneous work or work not as instructed in this manual are not covered by the warranty. ● Refer to the Installation Manual provided with the water heater for complete installation details. Installation Guide NORITZ AMERICA CORPORATION In order to use this product safely, read this installation manual carefully and follow the installation instructions. ● Potential dangers from accidents during installation and use are described below. Closely observe these warnings, they are critical to your safety. CAUTION CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. CAUTION The remote controller is not water resistant. Keep it dry. CAUTION • Do not connect power to the system unit until the remote controller installation is complete. • Be sure to fasten the mounting screws tightly by hand so that the remote controller will be secure. * Do not use electric drivers, impact drivers and so forth. Tightening with excessive force may cause the mounting bracket to be damaged and lead to failures. • Install the remote controller on an even wall surface. -
Page 32: Included Parts List
Included Parts List (The value in ( ) indicates the quantity.) Mounting Machine Raised countersunk Raised countersunk Remote Controller Wall anchor bracket screw head wood screw head screw (For junction box installation) Notes on the Installation Location Connection of Remote Controller Cord White Connector To Remote controller • The remote should be installed in an easily accessible location. Y-shaped terminals To Water heater • Avoid installing in a place where water (two-core) or steam can come into contact with the * Confirm the connection with the labels at... - Page 33 5. Attach the remote controller to the mounting 2. Remove the decorative frame from the remote bracket. Insert the bottom of the remote controller. (The remote controller is inserted controller into the groove at the bottom of the in the decorative frame.) bracket and push in the 2 hooks on top of the remote controller completely. * If it is difficult to attach, do not try to force it Main remote as it may result in broken hooks. Check for controller body proper alignment in the groove or for loose wires obstructing the remote controller.
- Page 34 Optional Remote Controller • Applicable Model * Remarks [125 °F / 55 °C] RC-9018M Remote controller Celsius display mode Fahrenheit display mode Install the remote controller according to the instructions in the Installation Guide. (p. 31). * Only one remote controller can be connected to the water heater. A malfunction may occur if two or more remote controllers are connected. * The water heater has been factory set to allow a maximum temperature setting of [120°F / 50°C]. To access higher temperature settings through the remote controller, follow the below steps. <When setting the maximum temperature to [125 -140°F / 55-60°C]> 1. Turn the water heater off by pressing the Power On/Off Button on the remote controller. 2. Press the MENU Button inside the remote cover, select "Misc settings" using the / Buttons. 3. Press the ENTER Button, the "Misc settings" screen appears on the display. 4. Select "Max set Temp" using the / Buttons. 5. Press the ENTER Button, [120°F / 50°C] appears on the display. 6. Set the upper limit of the hot-water supply temperature to [125°F, 130°F, 135°F or 140°F / 55°C or 60°C] using the / Buttons. 7. Press the ENTER Button, "Set complete" appears on the display and then returns to the "Misc settings" screen. 8. To put the water heater back into operation, press the Power On/Off Button on the remote controller. To keep the water heater off, either press the MENU Button or let the unit sit for 20 sec. to return to the original display. DANGER • When changing the temperature, make sure to confirm with the customer that the temperature of the hot water will be very high and that there is a risk of scalding. • Hot water heater temperatures over 125 °F (52 °C) can cause severe burns instantly or death from scalding.
- Page 35 Changing Other Features Adjusting the Temperature / Water Quantity Display Note: The setting must be done within the first 10 minutes of connecting electrical power to the water heater. Table of Setting Items Item Choices (factory defaults shaded) Celsius / Liter °F / gal °C / L Fahrenheit / Gallon (Fahrenheit / Gallon) (Celsius / Liter) display mode. Remote Controller Power On/Off Button Display MENU Button ENTER Buttton ▲/▼ Buttons Setting Procedure 1. Turn the water heater off by pressing the Power On/Off Button on the remote controller. 2. Disconnect, then reconnect electrical power to the water heater. 3. Press the MENU Button inside the cover, select "Initial settings" using the ▲/▼ Buttons. 4. Press the ENTER button, the "Initial settings" screen appears on the display. 5. Select "[°F / gal] < ---- > [°C / L]" using the ▲/▼ Buttons. 6. Press the ENTER Button and select either [°F / gal] or [°C / L] using the ▲/▼ Buttons. 7. Press the ENTER Button, "Set complete Please wait..." appears on the display for 5seconds and then the "Initial settings" screen appears on the display. 8. To confirm the setting, turn the water heater on by pressing the Power On/Off Button on the remote controller.