Noritz NRCB199DV Installation Manual
Condensing gas combi boiler
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Installation Manual
CONDENSING GAS COMBI BOILER
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 Combi Boiler 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 Combi Boiler (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)
SBB80UB-1
Rev. 07/17
NRCB199DV (GHQ-C3201WX-FF US)
NRCB180DV (GHQ-C2801WX-FF US)
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-LEAD
I
A P
M O
R
& T
TM
Ground
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.
Where required by the authority having jurisdiction, the installation
must conform to the Standard for Controls and Safety Devices for
Automatically Fired Boilers, ANSI/ASME CSD-1.
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
*SBB80UB*
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Table of Contents
Related Manuals for Noritz NRCB199DV
Summary of Contents for Noritz NRCB199DV
- Page 1 Standard for Controls and Safety Devices for 14 ng/J or 20 ppm Automatically Fired Boilers, ANSI/ASME CSD-1. (Natural Gas Only) Noritz America reserves the right to discontinue, or change at any time, the designs and/or specifications of its products without notice. SBB80UB-1 Rev. 07/17...
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Page 2: Included Accessories
Isolation Valve Set Horizontal Hood for DHW* each Termination (includes pressure (PVT-HL) relief valve) 2" SV Conversion Kit Noritz Connect (SV-CK-2) Wireless Adapter • 90° Elbow - 2" Pipe NWC-ADAPTER each (With Inlet Screen) (NAW-1 US) • Installation Manual (Check List) -
Page 3: Before Installation
• Check that the rating plate indicates the correct type of gas. • Check that the gas supply line is sized for e.g. NRCB199DV(GHQ-C3201WX-FF US) 199,900 Btu/h/ 120,000Btu/h (DHW / Heating mode) of NRCB199DV(GHQ-C3201WX-FF US). Check that the gas supply line is sized for 180,000 Btu/h/ 100,000Btu/h (DHW / Heating mode) of NRCB180DV(GHQ-C2801WX-FF US). -
Page 4: 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 installation locations cannot be avoided, a suitable drain pan, adequately drained, must be installed under the appliance. - Page 5 State of California: The Combi Boiler must be braced, anchored or strapped to avoid moving during an earthquake. Contact local utilities for code requirements in your area or call: 1-866-766-7489 and request instructions. For Venting Manufacturers Requirements, see website listed below: Noritz N-Vent www.noritz.com...
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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 <When supplying combustion air from the outdoors (Direct Vent)> * All clearance requirements are in accordance with ANSI Z21. 13 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.
- Page 8 Clearance Requirements from Vent Terminations to Building Openings <Other than Direct Vent> * All clearance requirements are in accordance with ANSI Z21. 13 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.
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Page 9: Installation
Installation • 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. - Page 10 3. Affix the Mounting Bracket (Lower) to the wall by 2 screws. Mounting Bracket (Lower) Anchoring Screw Elevation Adjustment above 2,000ft • Adjust the dip switches as illustrated in the table below if this Combi Boiler is installed at an altitude of 2000 ft.
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Page 11: Indoor Installation
Venting the Combi Boiler (Indoor Installation Only) 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 12 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 13 Venting With PVC, CPVC or PP This appliance can be vented with non cellular core plastic pipe materials as specified in the below table. Vent installations in Canada which utilize plastic vent systems must comply with ULC S636. Item Material United States Canada Schedule 40 PVC...
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Page 14: Vent Pipe Installation
Vent Pipe Installation Horizontal Vent Termination - PVC/CPVC Material Only (when using PVT-HL termination) Ceiling Exterior Wall Hanger Straps PVT-HL 3"(75mm) Intake * 1' Minimum Exhaust Slope the Vents **2"×3" Increaser 3" (75mm) Upward coupling 12"(300mm) Intake Exhaust above grade or 3"... - Page 15 Vent Pipe Installation Alternate Horizontal Vent Termination- PVC/CPVC/PP Material * When 3’ (0.9m) distance between Intake and Exhaust cannot be ensured. * Can not use Hood termination (PVT-HL) * Insert the bird screen. 90° elbow vertical setting (downward). * Ensure at least 3ft (0.9m) or more distance between the near edge of the air intake pipe or exhaust pipe to the inside corner of a wall.
- Page 16 PVC Concentric Termination- PVC/CPVC Material Only • The concentric termination may be shortened, but not lengthened from its original factory supplied length. 2"(50mm) or 3" (75mm) PVC or CPVC pipe may be used with the concentric termination. • Maintain the same vent pipe diameter from the Combi Boiler flue to the termination. •...
- Page 17 Vertical Plastic Rain Cap* (PRC-1) Min 12" (30cm) - PRC-1 *Not supplied with Combi Max 15" (38cm) Boiler, order separately. 3" (75mm) pipe (Recommend) 2"×3" Increaser coupling Increaser coupling** 2" (50mm) pipe 12" (30cm) **Not supplied with Combi Boiler, order separately. 3"...
- Page 18 Refer to the instructions provided with the conversion kit for additional details. * Noritz recommends to install a Carbon Monoxide Alarm in installation site of the unit when supplying combustion air from the indoors.
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Page 19: Combustion Air
• If combustion air will be provided through a duct, size the duct to provide as below. NRCB199DV (GHQ-C3201WX-FF US) : 70 cubic feet of fresh air per minute NRCB180DV (GHQ-C2801WX-FF US) : 63 cubic feet of fresh air per minute Openings supplying indoor air •... -
Page 20: Gas Piping
In order to check the gas supply pressure to the unit, a tap is provided on the gas inlet. Remove the 9/32” hex head/Philips screw from the tap, and connect a manometer using a silicon tube. Open up at least 2 fixtures and hold in the "Maximum Switch" on the circuit board. Please call Noritz for details. Operation Panel... - Page 21 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 22 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 Condensing Combi Boiler using the Btuh required and the length from the meter. Barbecue (180,000 or 199,900 Btuh) 2.
- Page 23 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 24: Domestic Water Piping
Installation and service must be performed by a qualified plumber. In the Domestic 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 heating applications. - Page 25 * Refer to page 31 for Heating System Freeze Prevention. Damage to the Combi Boiler 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 26: Water Treatment System
Damage to the Combi Boiler 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 27: System Pressure
NRCB199DV(GHQ-C3201WX-FF US), NRCB180DV(GHQ-C2801WX-FF US) Pump Performance (with internal pressure drop) -
Page 28: Low Water Cutoff (Lwco)
Internal of the Combi Boiler The Noritz Combi Boiler is equipped with a factory installed, pressure sensor type low water cutoff device. The lowest operation pressure for this device is 8 psi. (operation pressure = (default valve 12 psi) - (4 psi)) •... -
Page 29: Pressure Relief Valve
Pressure Relief Valve • External pressure relief valve must be installed. Observe the following. Failure to comply with the guidelines on installing the pressure relief valve and discharge piping can result in personal injury, death or substantial property damage. • DO NOT install a relief valve (DHW pipe line) with pressure higher than 150 psi and relief valve (Heating pipe line) with pressure higher than 30 psi. - Page 30 Auto Feeder Connection • Before filling the Combi Boiler, loosen the air vent cap to allow the system to fill properly. Tighten the cap when the system is full. Air Vent Cap • The Combi Boiler is equipped with an auto feeder valve. Therefore, installation of additional system water fill connection is not necessary in most cases.
- Page 31 • Before using freeze protection products, ensure that system fluid contains proper glycol concentration and the inhibitor level is appropriate. Noritz recommends against exceeding a 50% concentration of glycol. • When using freeze protection products, the system must be tested at least once a year, and as recommended by the manufacturer of the glycol solution.
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Page 32: Condensate Piping
Condensate Piping CAUTION Due to the acidic nature of the condensate, be sure to properly drain and if necessary, treat the condensate prior to disposal. Damage caused by improperly handled condensate is not covered by the warranty. • This Combi Boiler is a high efficiency, fully condensing appliance which produces acidic condensate during operation. - Page 33 Condensate piping to floor drain Condensate piping with pump DO NOT ADD DO NOT ADD ANY VALVES ANY VALVES 1/2" PVC pipe 1/2" PVC pipe 3/8" ID tubing* 1/2" PVC elbow Slope pipe downwards The end of the drain pipe 1/4"...
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Page 34: Plumbing Applications
Plumbing Applications 1. This drawing is meant to show system piping concept only. Installer is responsible for all equipment and detailing required by local codes. 2. All closely spaced tees shall be within 4 pipe diameters or max 12" center to center spacing. 3. - Page 35 2. Zoned with Valves This drawing is meant to show system piping concept only. Installer is responsible for all equipment & detailing required by local codes. Refer to page 43 for electrical wiring instructions. * In case of installing external water feeder. PRESSURE PRESSURE ZONE 1...
- Page 36 3. Zoned with Pumps This drawing is meant to show system piping concept only.Installer is responsible for all equipment & detailing required by local codes. Refer to page 43 for electrical wiring instructions. * In case of installing external water feeder. PRESSURE PRESSURE REDUCING VALVE...
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Page 37: Air Handler
4. Air Handler The Noritz Combi Boiler can control the operation of an Air Handler when thermostat is used in combination with the Air Handler. The Air Handler function is designed to stop the Air Handler’s pump and fan operation when the Combi Boiler's operation is not suitable for the Air Handler. -
Page 38: Recirculation System
*3. Set the Aquastat to 10˚F below the DHW Temperature Setting. An aquastat is the minimum pump control requirement in order to maintain the full recirculation warranty. *4. Noritz recommends the use of an Isolation Kit with the installation. Neutral Ground... -
Page 39: Quick Connect Multi System Installation
• The Quick Connect Multi System allows the installation of two units together utilizing only the Quick Connect Cord. Unit's MAX Btuh must be same in order to quick connect. e,g. When installing NRCB199DV(GHQ-3201WX-FF US), you must install EZ111DV(GQ-C3259WX-FF US), not EZ98DV(GQ-C2859WX-FF US). - Page 40 For Quick Connect Multi System Installation Connecting Quick Connect Cord-2 use part #QC-2 only. (sold separately). Do not connect electrical power to the unit until all electrical wiring has been completed. Disconnect Power 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 41 DHW ON/OFF status of the Combi Boiler in the system. Once turned on by the master unit, the Combi Boiler will operate in stages to satisfy the DHW demands. * Please contact Noritz America at 866-766-7489 if you have any questions or concerns.
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Page 42: 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 43 Wiring Diagram for External Options [CN238] Solenoid Valve [CN237] External Pump Pump [CN236] Outdoor Temperature Sensor O / S [CN235] Heat Demand(0-10VDC) 0 - 10 V [CN234] LWCO [CN233] Heat Demand(T-T) T - T LWCO [CN232] Air Handler A / H [CN231] 24VAC Connection Item...
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Page 44: Outdoor Reset Control
Outdoor Reset Control • The Outdoor Reset Control feature may be used to enhance energy efficiency while maintaining optimal heating performance. With the Outdoor Reset Control, the heating temperature setting automatically changes according to the outdoor temperature and the current heating system application. •... - Page 45 Setting the Outdoor Reset Control Mode - [I:01_HCt] Operation Screen Display Connect Outdoor Temperature Sensor to terminal. (Refer to pages 48, 49 for details.) Press the button to OFF. The Operation Panel must be off. Press the button. Select using the buttons, and then press the button.
- Page 46 Adjusting Outdoor Reset Control Options Note: The Operation Panel must be off. Operation Screen Display Press the buttons to navigate After 1 sec. After 1 sec. in the "Installer Mode". Select , and then press the button After 1 sec. to enter the function.
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Page 47: Customized Settings
Customized Settings Note: The Operation Panel must be off. allows for adjustment of the outdoor temperature range and heating temperature range. e.g. To set Highest Outdoor Temperature Operation Screen Display Press the buttons to navigate After 1 sec. After 1 sec. in the "Installer Mode". - Page 48 Outdoor Temperature Sensor Installation Guidelines • Avoid areas with direct sunlight and where temperatures may not be representative of true outdoor temperature. • Avoid placing sensor in close proximity of heat sources that may affect correct temperature sensing. (fans, exhausts, vents, lights) •...
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Page 49: Outdoor Temperature Sensor Installation
Outdoor Temperature Sensor Installation 1. Loosen the screw by hand using a Phillips 2. Remove the cover by lifting it and pulling it screwdriver indicated in the figure. outward. <bottom of case> <behaind 3. Mount the outdoor sensor onto an exterior 4. - Page 50 Outdoor Reset Control [0 – 10 Volt Input Control] • The Outdoor Reset Control feature may be used to enhance energy efficiency while maintaining optimal heating performance. With the Outdoor Reset Control, the heating temperature setting automatically changes according to the voltage input from external controller that is decided by outdoor temperature. •...
- Page 51 Setting the Outdoor Reset Control [0 – 10 Volt Input control] - [I:01_HCt] Operation Screen Display Connect Heat Demand(0-10VDC) to terminal. (Refer to page 52 for details.) Press the button to OFF. The Operation Panel must be off. Press the button.
- Page 52 • Do NOT connect room thermostat to heat demand (T-T) when an external control system is connected. * The Combi Boiler is activated only by receiving voltage. Note: DO NOT mix [Room Thermostat Control], [External Voltage Control System (without Room Thermostat)] and [Outdoor Temperature Control with Outdoor Temperature Sensor and Room Thermostat] [CN235] 0 - 10 V...
- Page 53 Installer Mode (Parameter Settings) How to enter "Installer Mode". Operation Screen Display Press the button to OFF. The Operation Panel must be off. Press the button. Select using the buttons, and then press the button. The "Installer Mode" screen appears. When entering the "Installer Mode", display will change to After 1 sec.
- Page 54 Function Function Name & Description Fahrenheit / Celsius 1 sec. This mode is for changing temperature and flow rate units on the Operation Panel. I:00_FC * This function will appear within the first 10 minutes of connecting electrical power (Skipped*) and before pressing the button.
- Page 55 Settings Pages Default F: Fahrenheit & Gallon 1: F All of the units shown on the display screen are Default °F & GPM. C: Celsius & Liter 2: C All of the units shown on the display screen are °C & LPM. To change the setting: Press and hold the button for approximately 5 seconds.
- Page 56 Function Function Name & Description Heating High Temp Range 1 sec. I:05_HHt Heating Low Temp Range 1 sec. I:06_HLt These settings are for changing the heating high temperature range and low temperature range. You can change the Highest Set Temperature [I:05_HHt] and the Lowest Set Temperature [I:06_HLt] by adjusting the numbers on the display.
- Page 57 Settings Pages Default [Min Set-point+30] ~ 180 (°F) 180 °F [Min Set-point+17] ~ 82 (°C) (82 °C) 80 ~ [Max Set-point-30] (°F) 100 °F 27 ~ [Max Set-point-17] (°C) (38 °C) pages 44, 50 OFF: Boost Timing is deactivated. OFF, 1 - 120min 1 - 120min: Time before starting the boost operation.
- Page 58 Function Function Name & Description Pump Overrun Time 1 sec. I:11_Pot This mode is to control how long the pump will run after the heating demand is satisfied. This setting is to prevent unnecessary running of the pump and extend the life of the pump. Differential Burner OFF Temperature I:12_bFt 1 sec.
- Page 59 Settings Pages Default OFF, 1 - 40min 0 - 27 (°F) 13 °F 0 - 15 (°C) (7 °C) 5 - 27 (°F) 18 °F 3 - 15 (°C) (10 °C) Burner OFF Temperature = Heating Set Temperature + [I:12_bFt] Burner ON Temperature = Heating Set Temperature - [I:13_bot] 12 - 26 PSI 12 PSI...
- Page 60 When the dip switch #2 is ON, Heating temperature setting is increased up to approximately 30°F during simultaneous operation. Damage caused by increasing Heating temperature is not covered by the Noritz America Limited Warranty. Check whether for the hydronic heating appliance and plumbing are acceptable it.
- Page 61 * Dip switch #2 turned on. Dip Switch Adjustment Disconnect power and turn ON dip switch #2 if the Combi Boiler operates using area + in simultaneous operation. Contact Noritz America for more information about simultaneous use for DHW and Heating.
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Page 62: Temperature Setting
Temperature Setting How to Set Heating Temperature Note: The following Heating Temperature Setting can be changed when the “Outdoor Reset Control” is disabled (Refer to page 44-49). Operation Screen Display Press the button ON. (e.g.: 10:15AM) Press the button once. The current "Heating Temperature Setting"... -
Page 63: Service Reminder
Service Reminder The Combi Boiler is equipped with a Service Reminder to announce for maintenance. The factory default of this Service Reminder is "OFF". The customer or installer needs to set the Service Reminder to ON or OFF. How to select the Service Reminder Operation Screen Display Press the... -
Page 64: Maintenance
Maintenance Periodically check the following to ensure proper operation of the Combi Boiler. • 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 65: Lighting Instructions
(1) Open a hot water fixture and confirm that the Burner On lamp comes on, and that hot water is being produced. (If necessary, repeat until the air in the gas piping is bled out). * White smoke may be noticed from the exhaust vent during cold weather. This is not a malfunction of the unit. * If an “11”... - Page 66 Dimensions < inch (mm) > Outdoor Temperature Sensor (VIEW FROM TOP) 16.3" (415mm) 15.9" (404mm) 14.8" (375mm) 12.7" (323mm) DOMESTIC WATER OUTLET (3/4”) 12.0" (304mm) CONDENSATE DRAIN (1/2”) 8.27" (210mm) 5.43" (138mm) DOMESTIC WATER INLET (3/4”) 1.3" (34mm) 3.6" (92mm) 3.86"...