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Installation Manual
TANKLESS GAS WATER HEATER
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
If the information in this manual is not followed exactly, a fire or explosion may result
WARNING:
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 in-
stallation 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
SBA8871-2
Rev. 03/13
NR981-DVC
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 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
CSA B149.1, Natural Gas and Propane Installation Code (NSCNGPIC).
Noritz America reserves the right to discontinue, or change at any
Low NOx
time, the designs and/or specifications of its products without notice.
Approved by
SCAQMD
14 ng/J or 20 ppm
(Natural Gas Only)
(Indoor Installation)
Ground
NORITZ AMERICA
CORPORATION
Be sure to do
*SBA8871*
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Related Manuals for Noritz ProTough BNR98-DVC-LP
Summary of Contents for Noritz ProTough BNR98-DVC-LP
- Page 1 National Fuel Gas Code, ANSI Z223.1/NFPA 54- latest edition and/or CSA B149.1, Natural Gas and Propane Installation Code (NSCNGPIC). CERTIFIED Noritz America reserves the right to discontinue, or change at any Low NOx time, the designs and/or specifications of its products without notice.
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Page 2: Included Accessories
The following accessories are included with the unit. Included Accessories Check for any missing items before starting installation. Shape Shape Part Q’ty Part Q’ty Owner's Guide, Warranty, Installation Manual Anchoring Screw each (this document) The accessories listed below are not Optional Accessories included with the units, but may be necessary for installation. -
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' (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
WARNING Precautions on Vent Pipe • This appliance requires the use of special concentric type vent pipe specified by Noritz America. Do not attempt to use materials that are not specified for use on this appliance. Improper venting may result in a fire, property damage, or exposure to Carbon Monoxide. -
Page 5: Choosing Installation Site
Choosing Installation Site * Locate the appliance in an area where leakage from the unit or connections will not result in damage to the area adjacent to the appliance or to the lower floors of the structure. When such locations cannot be avoided, it is recommended that a suitable drain pan, adequately drained, be installed under the appliance. - Page 6 The Commonwealth of Massachusetts: The water heater can be used for hot water only and not in a combination of domestic and space heating. For Venting Manufacturers Requirements, see websites or phone numbers listed below: Noritz N-Vent www.noritz.com...
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Page 7: 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 8: Securing To The Wall
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 NSCNGPIC. Vent Terminal Area Where Terminal is Not Permitted Air Supply Inlet Canadian Direct Vent US Direct Vent... - Page 9 • The weight of the device will be applied to the wall. If the strength of the wall is not suffi- cient, 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 10: Vent Pipe Installation
Z233.1/NFPA 54 – latest edition, and in Canada, in accordance with NSCNGPI. • This appliance requires the use of special concentric type vent pipe specified by Noritz America. Do not attempt to use materials that are not specified for use on this appliance. - Page 11 Maximum Vent Length Adjustment Dip Switches The unit can be adjusted to accommodate longer vent runs; refer to the below table to find the maximum vent length based on the number of elbows. Adjust the dip switches according to the vent condition noted in the tables below.
- Page 12 • Do not common vent or connect more than way to the end. one appliance to this venting system. • Noritz Concentric vent pipe is approved for use on this appliance with zero clearance to com- • Terminate at least 12" (300mm) above grade or snow line.
- Page 13 Vertical Vent Termination 5' (1.5m) or more • Terminate at least 6' (1.8m) from the combus- tion air intake of any appliance, and 3' (0.9m) Rain from any other building opening, gas utility me- ter, service regulator etc. Air Intake •...
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Page 14: Gas Piping
Instructions Sample Gas Line 1. Size each outlet branch starting from the furthest Noritz Tankless Gas Water Heater using the Btuh required and the length from the Barbecue (199,900 Btuh) (50,000 Btuh) meter. - Page 15 Gas Line Sizing for a Noritz Tankless Gas Water Heater Adapted from UPC 1997 Maximum Natural Gas Delivery Capacity in Cubic Feet per Hour (0.60 Specific Gravity, 0.5" WC Pressure Drop) Length in Feet Pipe 10' (3m) 20' (6m) 30' (9m) 40' (12m) 50' (15m) 60' (18m) 70' (21m) 80' (24m) 90' (27m) 100' (30m) 125' (37.5m) Size 1/2"...
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Page 16: 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 17: Drain Piping
Supply water piping Hot water piping • Do not use PVC, iron, or any piping which has been • Do not use lead, PVC, iron or any piping which treated with chromates, boiler seal or other chemicals. has been treated with chromates, boiler seal or other chemicals. -
Page 18: Water Treatment System
If this water heater will be installed in an application where the supply water is hard, the water must be treated with either the Noritz H2Flow or ScaleShield or a water softener. Refer to the below tables for suggested treatment and maintenance measures to be taken based on the water hardness level. -
Page 19: Plumbing Applications
(Model L6006A or L6006C) Combination Potable Water and Space Heating System Notes: 1. Noritz recommends the use of an Isolation Kit with the installation. These kits include an integrated shut-off and service valve with unions and a pressure relief valve. -
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. -
Page 21: Operation Panel
Operation Panel * Only one operation panel can be connected to the water heater. A malfunction may occur if two or more operation panels 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. -
Page 22: Setting Procedure
Changing Other Features Adjusting the Temperature 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 No. Item Choices (factory defaults shaded) Celsius/Fahrenheit °F (Fahrenheit) °C (Celsius) display mode. -
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. - 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. •... -
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. - Page 27 Dimensions < inch (mm) > 13.2" (336mm) 0.4" - 1.8" (10mm - 45mm) 11.0" (280mm) 4.8" (120mm) 2-0.2" x 0.4" (6mm x10mm) OBLONG HOLE 13.8" (350mm) 5.5" (140mm) 13.1" (334mm) 3.9" (100mm) FLUE COLLAR Ø5.0" (Ø127mm) 11" (28mm) 2.8" (70mm) AIR INLET Ø3.1"...
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Page 28: Optional Remote Controller
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 29: 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 (p.32) • 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 30 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 31 Connecting of Remote Controller Cord to Water Heater. 1. Remove the front cover of the heater (4 screws). 2. Disconnect the operation panel connector from other unit. Operation panel connector 3. Cut off the connector at the end of the operation panel wires ant the Y-shaped terminals (two-cord) of remote controller cord. 4. Wire the remote controller cord through the wiring throughway and connect them to the wiring inside the heater . Operation panel Wires Crimping Terminal Wiring Throughway Remote controller cord 5. Replace the front cover.
- Page 32 Optional Remote Controller • Applicable Model Noritz Tankless Gas Water Heater * Remarks [125 °F / 55 °C] Celsius display mode RC-9018M Remote controller Fahrenheit display mode Install the remote controller according to the instructions in the Installation Guide. (p. 28). * Only one the 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.
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Page 33: Remote Controller
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/Fahrenheit °F (Fahrenheit) / gal °C (Celsius) / L display mode. Remote Controller Power On/Off Button Display MENU Button ▲/▼ Buttons ENTER Button 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.
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