Noritz NC199-DVC Installation Manual
Tankless gas water heater
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- Installation manual (42 pages) ,
- Owner's manual (28 pages) ,
- Service manual (96 pages)
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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
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
Department of Buildings
SBA8360
Rev. 09/09
NC199-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
Low NOx
Approved by
SCAQMD
Accepted For Use
City of New York
MEA 19-03-E
(Indoor Installation)
Ground
CAUTION
FOR USE IN RESIDENTIAL, COMMERCIAL, OR MANUFAC-
TURED 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 CSA B149.1, Natural Gas and Propane In-
stallation Code (NSCNGPIC).
When applicable, installation must conform with the Manufac-
tured 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
Be sure to do
*SBA8360*
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Table of Contents
Related Manuals for Noritz NC199-DVC
Summary of Contents for Noritz NC199-DVC
- Page 1 Installation Manual NORITZ AMERICA CORPORATION TANKLESS GAS WATER HEATER NC199-DVC (Indoor Installation) 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 indicates an imminently hazardous situation which, DANGER if not avoided, will result in death or serious injury.
-
Page 2: Included Accessories
The following accessories are included with the unit. Included Accessories Check for any missing items before starting installation. Part Shape Part Shape Q’ty Q’ty Owner's Guide, Warranty, Tapping Screw Installation Manual 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 ft. long. Install the units 2-18" apart from each other to ensure the cord will be able to reach between the units. -
Page 4: Before Installation
Before Installation DANGER Checkup • Check the fixing brackets and vent pipe yearly for damage or wear. Replace if necessary. 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. -
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 CAUTION • Avoid installation above gas ranges or stoves. • Avoid installation between the kitchen fan and stove. If oily fumes or a large amount of steam are present in the installation location, take measures to prevent the fumes and steam from Prohibited entering in the equipment.
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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: Installation
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 Clearance Above grade, veranda, porch, deck,... - 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
Vent Pipe Installation WARNING CARBON MONOXIDE POISONING Follow all vent system requirements in accordance with relevant local or state regulation, or, in the absence of local or state code, in the U.S. to the National Fuel Gas Code ANSI Be sure to do Z233.1/NFPA 54 –... - Page 11 Maximum Vent Length Adjustment Connector 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. If the maximum vent length falls in the shaded area of the table, the airflow adjustment connector must be pulled out as illustrated to the right.
- Page 12 • Exceeding the maximum vent length is danger- • Connect the vent pipe firmly so that it will prevent ous and may result in bad combustion. exhaust gases from leaking. • Install the vent terminal so that all exhaust is di- •...
- Page 13 Vertical Vent Termination 5' or more • Terminate at least 6' from the combustion air intake of any appliance, and 3' from any Rain other building opening, gas utility meter, service regulator etc. Air Intake • Enclose exterior vent systems below the roof Pipe line to limit condensation and protect against Roof Flashing...
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Page 14: Gas Piping
Gas Piping Follow the instructions from the gas supplier. The appliance and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of ⁄ psig (3.5 kPa). The Appliance must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than ⁄... - Page 15 Gas Line Sizing for a Noritz Tankless Gas Water Heater Adapted from UPC 1997 Maximum Natur Natural Gas Delivery Capacity in Cubic Feet per Hour (0.60 Specific Gravity, 0.5" WC Pressure Drop) Length in Feet Pipe 100' 125' Size 1/2" 3/4"...
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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 potable water and space heating applications. - Page 17 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 •...
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Page 18: Water Treatment
Water Treatment If this water heater will be installed in an application where the supply water is hard, the water must be treated with either a water softener, which removes the hardness, or by using sequestering agents, such as the Noritz Scale Shield, that reduce the amount of scale deposits. Refer to the below tables for sug- gested treatment and maintenance measures to be taken based on the water hardness level. -
Page 19: Plumbing Applications
Plumbing Applications Recirculation System Notes: 1. Size the pump to provide a maximum of 2 GPM through the system at 10 ft of head plus piping losses. Hot Water Return Adjust the flow using a globe valve and verify the NORITZ Cold Water Supply flow rate with the maintenance monitors. -
Page 20: Electrical Wiring
Consult a qualified electrician Electrical Wiring 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 * The water heater has been factory set to allow a maximum temperature setting of 120 F. To access higher temperature settings through the remote controller, follow the below steps. <When setting the maximum temperature to 125-140 F> 1. -
Page 22: Pump Wiring
* This feature is not available when using the Quick Con- Pump Wiring nect 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 Pump Control from the wall. -
Page 23: Connecting Quick Connect Cord
For Quick Connect Multi System Installation Connecting Quick Connect Cord usa a Quick Connect Cord (sold separately). Caution The wire coloring on the Quick Connect Cord will not be the same as the wire coloring of the connection plug inside the unit. 1.Red 1.Red 1.White... -
Page 24: Maintenance
Periodically check the following to ensure proper Maintenance 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 25: 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 26 Dimensions NR199-DVC < mm [inch] > 13.2" (VIEW FROM TOP) 10.3" 8 - 0.2" x 0.4" OBLONG HOLE 1.2" 6 - 0.5" 5.5" 4.1" 2.8" 13.8" 10.2" 0.4" - 1.8" 1.4" 13.1" 4.1" FLUE COLLAR 5.0" HOT WATER OUTLET (3/4") GAS INLET (3/4") 3.1"...
- Page 27 Multi-System Wiring (Use SC-201-6M-EXT-DVC) Unit 1 Disconnect this Connector System Controller No.6 * Connect these to the No.5 remote control terminal No.4 block in each unit Disconnect for system controller No.3 No.2 90 90 B5 B5 Power DPSW 12345678 Remote control terminal block System select connectors Remote Controller Cord...