Noritz NC199DVC Installation Manual
Tankless gas water heater
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Installation Manual
TANKLESS GAS WATER HEATER
NC199DVC (GQ-2857WZ-FFA 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 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
Low NOx
Approved by
SCAQMD
14 ng/J or 20 ppm
(Natural Gas Only)
SBB80J9-1
Rev. 05/16
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.
(Indoor Installation)
Ground
NORITZ AMERICA
CORPORATION
Be sure to do
*SBB80J9*
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Table of Contents
Related Manuals for Noritz NC199DVC
Summary of Contents for Noritz NC199DVC
- 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 (Natural Gas Only) time, the designs and/or specifications of its products without notice. SBB80J9-1 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, Installation Manual Anchoring Screw each (this document) Remote Controller Drain hose (See p.28) (With clamp) The accessories listed below are not Optional Accessories... -
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 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 Area Where Terminal is Not Permitted...
- 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
Be sure to do Propane Installation Code CSA B149.1 – latest edition. • 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 • Terminate at least 12" (300mm) above grade or on this appliance with zero clearance to com- 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 Cap from any other building opening, gas utility me- ter, service regulator etc. • Enclose exterior vent systems below the roof Air Intake Pipe line to limit condensation and protect against...
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Page 14: 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 15 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 16 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 17 Table 3. Maximum Undiluted Propane (LP) Delivery Capacity in Thousands of BtuH (0.5” WC Pressure Drop) [Schedule 40 Metalic Pipe] Length (including fittings) Pipe 100' 125' 150' 200' Size (3m) (6m) (9m) (12m) (15m) (18m) (21m) (24m) (27m) (30m) (38m) (45m) (60m) 1/2"...
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Page 18: 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 19 • In order for the freeze prevention heaters to operate, the water heater must have power at all times. Damage to the water heater as a result Total Hardness* : 200 mg/L (12 gpg) or less of the below is not covered by the Noritz Aluminum : 0.05 to 0.2 mg/L or less America Limited Warranty.
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Page 20: Water Treatment System
= 1, 2, 3, 4, F # = 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 Damage to the water heater as a result of the items below is not covered by the Noritz America Limited Warranty. • Water in excess of 12 gpg (200mg/L) of hardness •... - Page 21 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.
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Page 22: Cleaning The Heat Exchanger
Flushing the Heat Exchanger (For Single Unit) 1. Open the Front Cover. 2. Connect the “blue connector*****” for flushing” near the Circuit Board. Water Heater Circuit Board Connect ***** The connector color is blue and labeled “FLUSH”. Manifold Plate FLUSH 3. - Page 23 1. Connect the “blue connector for flushing” of need to be flushed. (The water heater is isolated from Quick Connect Multi system when the “blue connector for flushing” is connected. Not need to disconnect the Connect Cord.) Sub Water Heater Main Water Heater Connect Circuit Board...
- Page 24 1. Connect the “blue connector for flushing” of need to be flushed. (The water heater is isolated from Multi System when the “blue connector for flushing” is connected. Not need to disconnect the “Cord for the Multi System” .) Unit 1 Unit 2 Unit 6 Connect...
- Page 25 7. Disconnect the “blue connector for flushing”. The Code “CCC” goes out on the Remote Controller. 8. Close the Front Covers. 9. Open the gas supply valves and water outlet valves. 10. Check for correct operation of the water heaters. Please contact Noritz America if more information is needed for flushing. (Phone # : 866-766-7489)
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Page 26: Plumbing Applications
If the Air Handler does not control the water flow automatically, the Scale detection feature will not work. 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 27: 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 28: Remote Controller
Remote Controller • Applicable Model RC-9018M Remote controller Install the remote controller according to the instructions in the Installation Guide. (p. 40). * Only one remote controller can be connected to the water heater. A malfunction may occur if two or more remote controllers are connected. •... - Page 29 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. •...
- Page 30 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.
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Page 31: 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 32 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 33: 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 34: 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 35 Dimensions <inch(mm)> 13.8" (336mm) 0.4" - 1.8" (10 - 45mm) 11.0" (280mm) 4.8" (120mm) 13.8" (350mm) 6 - 0.2" x 0.4" (6 x10mm) OBLONG HOLE 13.1" (334mm) 5.5" (140mm) 1.1" (28mm) FLUE COLLAR 3.9" (100mm) Ø5.0" (Ø128mm) 2.8"(70mm) AIR INLET Ø3.1"...
- Page 36 Multi-System Install one system controller (SC-301-6M-EXT) for every six units. Dipswitch Settings (for remote controllers RC-7647M or RC-7650M when used with system controller SC-201-6M) Note: When this water heater is used with remote controllers RC-7646M-2, RC-7649M, or RC-9018M, it is not necessary to follow this procedure. When using the remote controller RC-7647M or RC-7650M (ºC temperature display), a dipswitch change will be necessary on all water heaters connected to the system controller.
- Page 37 B-1. Example of Recirculation with a Multi-System (Recirculation system) This system will make hot water more quickly available to remote fixtures. The pump will circulate water through the loop until the entire loop is warm, and then the system controller will turn off the pump until the loop cools down.
- Page 38 B-2. Example of Installation with a Storage Tank and Recirculation System (Tank recirculation system) The pump will push water through the Multi-System to heat up the tank. When the temperature of the thermostat is high, the system controller will turn off the pump until the the temperature cools down.
- Page 39 Multi-System Wiring (Use SC-301-6M (-EXT)) * Connect these to the Unit 1 remote control terminal block in each unit System Controller No.6 No.5 No.4 No.3 No.2 Power Remote control terminal block Remote Controller Cord Remote Controller Unit 2 * The remote controller terminal location may differ depending on the unit.
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Page 40: Post Installation Checks
Requests to Installers 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 41: 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 42 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.