Noritz NRCR111DV Installation Manual
Condensing tankless gas water heater
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CONDENSING TANKLESS GAS WATER HEATER
Installation Manual
Models : NRCR111DV (GQ-C3260WXQ-FF US)
NRCR92DV (GQ-C2660WXQ-FF US)
WARNING
If the information in these instructions is not
followed exactly, a fire or explosion may result
causing property damage, personal injury or
death.
• 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.
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.
Contact Noritz America at 1-866-766-7489, if you have any questions or concerns.
NORITZ America Corporation
CAUTION
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 Noritz America Limited Warranty.
• Check that the installation was done properly in
accordance with this Installation Manual upon
completion.
• After completing installation, 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.
SBB8168
Rev. 05/19
Low NOx Approved by SCAQMD
14 ng/J or 20 ppm
(Natural Gas Only)
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Summary of Contents for Noritz NRCR111DV
- Page 1 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.
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Page 2: Table Of Contents
Contents Before Installation Connecting the Water Supply 8.1 Overview of the Recirculation System ..........41 About the Water Heater 8.2 Installation ........42 2.1 Included Accessories ....... 5 8.3 Water treatment ......45 2.2 Optional Accessories ....... 5 2.3 Specifications ........7 Connecting the Condensate Drain 47 2.4 Dimensions ........ -
Page 3: Before Installation
165,000 Btu/h: lead, lead compounds and carbon bisulfide which NRCR92DV (GQ-C2660WXQ-FF US) are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to e.g. NRCR111DV (GQ-C3260WXQ-FF US) www.P65Warnings.ca.gov. Before Installation... - Page 4 CAUTION Do Not Use Appliance for Purposes Other Than Those Specified Do not use for other than increasing the temperature of the water supply, as unexpected accidents may occur as a result. Check Water Supply Quality If the water supply is in excess of 12 grains per gallon (200 mg/L) of hardness, acidic or otherwise impure, treat the water with approved methods in order to ensure full warranty...
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Page 5: About The Water Heater
2 About the Water Heater 2.1 Included Accessories 2.2 Optional Accessories The following accessories are included with the The accessories listed below are not included Water Heater. with the Water Heater, but may be necessary for Check for any missing items before starting installation. - Page 6 Canada and USA Plastic Rain Cap [PRC-1] Not approved for use in Canada. Noritz Connect Wireless Adapter NWC-ADAPTER (× 1) [NAW-1 US] Noritz Connect Wireless Adapter enables users to: • Remote control (Power ON/OFF, Adjust set...
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Page 7: Specifications
• The capacity may differ slightly, depending on the water pressure, water supply, piping conditions, and water temperature. Item Specification Model Name NRCR111DV (GQ-C3260WXQ-FF US) NRCR92DV (GQ-C2660WXQ-FF US) Installation Indoor / Outdoor Wall mounted Type Air Supply / Exhaust Power Vented... -
Page 8: Dimensions
2.4 Dimensions About the Water Heater... - Page 9 <inch [mm]> HEIGHT OF EACH FITTING FROM BOTTOM OF CASE HOT WATER OUTLET 1.8”[45] COLD WATER INLET 1.9”[49] CONDENSATE DRAIN 1.7”[42] HOT WATER RETURN 2.7”[69] GAS INLET 2.2”[56] About the Water Heater...
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Page 10: External View
2.5 External View Indoor Installation Intake Pipe Exhaust Pipe Flex Vent 2 in. Conversion Kit Water Drain Valve (with Water Filter) Hot Water Return Valve Water Supply Valve Pressure Relief Valve Outdoor Installation Hot Water Valve Gas Supply Valve Outdoor Vent Cap Condensate Drain Pipe About the Water Heater... -
Page 11: Choosing An Installation Location
3 Choosing an Installation Location DANGER CAUTION Locate the vent terminal and make sure there Do not install in the following places are no obstacles around the termination for • A location where it is not free from obstacles exhaust to accumulate or be obstructed. and stagnant air. - Page 12 Perform suggested treatment and maintenance measures in reference to “8.3 Water Treatment”. Damage to the Water Heater as a result of the below is not covered by the Noritz America Limited Warranty. - Water in excess of 12 gpg (200 mg/L) of hardness...
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Page 13: Installation Clearances
ANSI Z223.1 / NFPA 54 - latest edition. In Canada, see the Natural Gas and Propane Installation For Venting Manufacturers Requirements, see the Code CSA B149.1 - latest edition for detailed Noritz America website (www.noritz.com). requirements. 4.1 Indoor Installation Required Clearances From the Water Heater Maintain the clearances from both combustible and non-combustible materials. -
Page 14: Outdoor Installation
Cooking Equipment Surrounding the area of installation When utilizing an indoor air supply, if the Water [ When installing the Water Heater in a common side Heater will be installed in the vicinity of a corridor ] permanent kitchen range or stove that has the possibility of generating steam that contains fats or oils, use a dividing plate or other measure to ensure that the Water Heater is not exposed to air... -
Page 15: Installation Of The Water Heater
5 Installation of the Water Heater 2. Hang the Water Heater on the Wall Mounting 5.1 Mounting the Water Heater to the Bracket. wall WARNING Do not drop or apply unnecessary force to the appliance when installing. Internal parts may be damaged and may become highly dangerous. -
Page 16: Elevation Adjustment Above 2,000 Ft
5.2 Elevation Adjustment Above 2,000 ft 5.3 Filling the condensate container with water • Adjust the DIP switches as illustrated in the table below, if this Water Heater is installed at an DANGER altitude of 2,000 ft (610 m) or higher. •... -
Page 17: Venting The Water Heater
6 Venting the Water Heater • This Water Heater must be vented with plastic WARNING pipe materials as specified in the table below. Vent installations in Canada which utilize plastic CARBON MONOXIDE POISONING vent systems must comply with ULC S636. Follow all vent system requirements in accordance with relevant local or state [Exhaust Vent / Air Intake]... - Page 18 • Use only solid PVC / CPVC (schedule 40) or PP - DuraVent® - Flex Through Chimney w/ Air Intake pipe. Flex Chimney Lining Kit (3 in.): 3PPS-FKL, Exhaust • 2 in. or 3 in. schedule 80 pipe may also be used Flex Length (3 in.): 3PPS-FLEXxx on this Water Heater, however the Btu/h input of Intake Aluminum Flex Length (3 in.): 3DFA-xx,...
- Page 19 • Ensure at least 3 ft (0.9 m) or For 2 in. flexible PP material more distance between the near edge of the air intake • Flex Vent 2 in. Kit may be used only in pipe or exhaust pipe to the accordance with the installation manual inside corner of a wall.
- Page 20 Maximum equivalent vent length* NOTE Below are additional models Vent Maximum # Equivalent V (Vertical) approved for use by Noritz and diameter of elbows* length supplied by IPEX. Refer to the IPEX H (Horizontal) literature or web site for additional 90°...
- Page 21 [DIP Switch Adjustment] Maximum Vent Length Configurations (For flexible ON = / OFF = pipe for chimney) DIP switches Vent length condition [DuraVent® - Flex Through Chimney w/ Air Intake Less than 33 ft using 2 in. (50 mm) pipe (Only 3 in.)] The vent length condition setting depends on 33 ft or more using 2 in.
- Page 22 [Centrotherm® - Flex Through Chimney w/ Air Intake (Only 3 in.)] The vent length condition setting depends on the flexible pipe length, the rigid pipe length and number of elbows. Calculate an each ventilation system equivalent length, then adjust the DIP switch.
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Page 23: Select A Vent Type
This Water Heater is suitable for Common Vent System. To make a Common Vent System, refer to the Common Vent installation manual or contact Direct Vent Noritz America at http://support.noritz.com/ or 1-866-766-7489 for details. Combustion air is supplied from the outdoors. -
Page 24: Vent Pipe Installation (Direct Vent)
6.4 Vent Pipe Installation (Direct Vent) 6.4.1 Clearance Requirements from Vent Terminations to Building Openings [When supplying combustion air from the outdoors] • 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. Description Canadian Direct Vent Installations US Direct Vent Installations... - Page 25 6.4.2 Horizontal Vent Termination For Horizontal Vent Termination - PVC/CPVC Material Only • Use a condensation drain if necessary. • In the Commonwealth of Massachusetts a carbon monoxide detector is required for all side wall horizontally vented gas fuel equipment. Refer to Technical Bulletin TB 010606 for full installation instructions. Venting the Water Heater...
- Page 26 Alternate Horizontal Vent Termination- PVC, CPVC or PP Material (When 3 ft (0.9 m) distance between Intake and Exhaust cannot be ensured.) WARNING • If the distance between the air inlet and exhaust vent terminations is too short, the Water Heater will draw in the exhaust gases through the intake.
- Page 27 For Horizontal PVC Concentric Termination - PVC/CPVC Material Only • The concentric termination may be shortened, but not lengthened from its original factory supplied length. • 2 in. (50 mm) or 3 in. (75 mm) PVC or CPVC pipe may be used with the concentric termination. Maintain the same vent pipe diameter from the Water Heater flue to the termination.
- Page 28 6.4.3 Vertical Vent Termination For Vertical Vent Termination - PVC, CPVC or PP Material Venting the Water Heater...
- Page 29 For Vertical PVC Concentric Termination - PVC/CPVC Material Only • The concentric termination may be shortened, but not lengthened from its original factory supplied length. • 2 in. (50 mm) or 3 in. (75 mm) PVC or CPVC pipe may be used with the concentric termination. Maintain the same vent pipe diameter from the Water Heater flue to the termination.
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Page 30: Vent Pipe Installation (Non-Direct Vent)
6.5 Vent Pipe Installation (Non-Direct Vent) 6.5.1 Clearance Requirements from Vent Terminations to Building Openings [Other than Direct Vent] • 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. Description Canadian Non-Direct Vent Installations US Non-Direct Vent Installations... - Page 31 Water Heater to reset the system. • SV Conversion Kit SV-CK-2 is required for the air intake. • Noritz recommends a carbon monoxide alarm installed in same room space as Water Heater when supplying combustion air from the indoors. WARNING...
- Page 32 (24 in. or more) should be met. • If combustion air will be provided through a duct, size the duct to provide as below. - NRCR111DV (GQ-C3260WXQ-FF US): 70 ft of fresh air per minute - NRCR92DV (GQ-C2660WXQ-FF US):...
- Page 33 6.5.4 Horizontal Vent Termination • Use a condensation drain if necessary. • In the Commonwealth of Massachusetts a carbon monoxide detector is required for all side wall horizontally vented gas fuel equipment. Refer to Technical Bulletin TB 010606 for full installation instructions. Venting the Water Heater...
- Page 34 6.5.5 Vertical Vent Termination For SV Conversion Kit Venting the Water Heater...
- Page 35 For Flex Vent 2 in. Conversion Kit WARNING This Water Heater is suitable only for vertical vent. Venting the Water Heater...
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Page 36: Outdoor Installation
6.6 Outdoor Installation • When installing this Water Heater outdoors, the “Outdoor Vent Cap (VC-6)” must be used. • Refer to the instructions provided with Outdoor Vent Cap for additional detail. • Disconnect the electrical power and then turn ON DIP switch #2 if outdoor installation. -
Page 37: Connecting The Gas Supply
• If test pressures are in excess of 1/2 psi (3.5 kPa), Improper installation of this kit will void the Noritz the appliance and its individual shut off valve America Limited Warranty. - Page 38 Pipe Sizing [Calculation Example] A partial set of sizing tables are printed on page 40. • A gas shut off valve must be installed on the In cases where these tables are not appropriate, supply line. refer to the NFPA. •...
- Page 39 4. • Enter the demand is the amount of gas Final Check flowing through a section of pipe in the table below. 1. Turn on and operate all gas appliances including - For natural gas, use total Btu/h rating/1000 the Water Heater. /h).
- Page 40 [Gas pipe sizing tables] • These tables are for reference only. Consult gas pipe manufacturer for actual pipe capacities. • It is an example of Schedule 40 Metallic Pipe. • (Only Table 1 - 4) Values in Table are in ft of Gas per Hour. Contact your gas supplier for Btu/ft ratings. For simplification of your calculations, 1 ft of Gas is approximately equivalent to 1,000 Btu.
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Page 41: Connecting The Water Supply
Massachusetts Plumbing and Fuel Gas Code 248 CMR Sections 2.00 and 5.00. • Observe all applicable codes. • Noritz recommends to install insulation to the hot water line and the hot water return line for comfort and energy saving. -
Page 42: Installation
• Connect the connector marked “Crossover”. Refer to page 51 for the location of the connector. • Minimum setting temperature is 120°F (49°C) • Noritz recommends using Watts product. (Sensor Valve Kit : 596816) Model number or specification subject to change at manufacturer’s discretion. Be sure to contact the manufacturer. - Page 43 Supply Systems, ANSI Z21.22 (in the U.S. only). and water flow. • A temperature relief valve is not required, but • Noritz recommends the installation of a wye if one is used, do not install the valve with the pattern strainer downstream on the hot water probe directly in the flow of water.
- Page 44 Outdoor Installation 8.2.2 Freeze Prevention • Freezing is prevented within the Water Heater Perform the following insulation measures for automatically unless the outside temperature prevention of freezing. without wind is below -4°F (-20°C). • Take appropriate heat insulation measures (e.g. •...
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Page 45: Water Treatment
> 12 gpg Extremely Hard (> 200 mg/L) NOTE 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 (200 mg/L) of hardness •... -
Page 46: Remote Controller
Scale Build-up. Exchanger” on page 69. Refer to the “Procedure for flushing the Heat After completing the flushing, the code will be Exchanger” on page 69 or contact Noritz America reset. for more information. (http://support.noritz.com/ or 1-866-766-7489) To deactivate the code “C1#”, disconnect the red...
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