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CONDENSING GAS COMBI BOILER
Thank you for purchasing this Noritz Condensing Gas Combi Boiler.
Before using, please :
Read this guide completely for operation instructions.
Completely fill out the warranty registration card (included separately) and mail the detachable portion to Noritz
America Corporation. Keep this guide (and the remainder of the warranty registration card) where
it can be found whenever necessary.
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 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.
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 inflammable 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.
Rev.11/15
Installation Manual
Models
CB199-DV / CB180-DV
Natural Gas ( NG ) / Liquid Propane Gas ( LP )
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Related Manuals for Noritz CB199-DV
Summary of Contents for Noritz CB199-DV
- Page 1 CONDENSING GAS COMBI BOILER Installation Manual Models CB199-DV / CB180-DV Natural Gas ( NG ) / Liquid Propane Gas ( LP ) Thank you for purchasing this Noritz Condensing Gas Combi Boiler. Before using, please : Read this guide completely for operation instructions. Completely fill out the warranty registration card (included separately) and mail the detachable portion to Noritz America Corporation. Keep this guide (and the remainder of the warranty registration card) where it can be found whenever necessary. 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 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. 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 inflammable 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.
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Page 2: Table Of Contents
Chapter 1 Product Accessories 1-1 Included Accessories 1-2 Optional Accessories Chapter 2 Product Specifications 2-1 Specifications 2-2 Dimensions & Connections Chapter 3 Safety Requirements 3-1 Safety Precautions 3-2 Before Installation 3-3 Choosing Installation Site 3-4 Installation Clearance Chapter 4 Installation 4-1 Securing to the Wall 4-2 Vent Pipe Installation 4-3 Gas Piping... -
Page 3: Included Accessories
Chapter 1. – Product Accessories The following accessories are included with the unit. Check for any missing 1-1. Included Accessories items before starting installation. Part Shape Q’ty Part Shape Q’ty Owner’s Guide, Warranty Card, Installation Manual, Combi Boiler Quick Installation each Quide, Technical Data Sheet Part List Anchors / Bird Screen with... -
Page 4: Specifications
Specifications Chapter 2. – Product Specifications Specifications may be changed without prior notice.The capacity may differ slightly, 2-1. Specifications depending on the water pressure, water supply, piping conditions, and water temperature. Model Name CB199-DV CB180-DV 199,000 Btu/h 180,000 Btu/h Gas Input Rate (DHW mode) -
Page 5: Dimensions & Connections
Dimensions & Connections Chapter 2. – Product Specifications 2-2. Dimensions & Connections 17.3" [440mm] 9.3" [236mm] 16.0" [407mm] 7.5" [190mm] 11.5" [292 mm] 3.8" [97mm] 4.6" [117mm] 2.6" [66mm] 2.5" [63 mm] 4.1"[105 mm] 14.8" [377mm] 7.5" [191mm] 3.6" [92mm] 5.6" [144mm] 3.6" [92mm] 6.0"... -
Page 6: Safety Precautions
Installation Manual and Owner’s Guide before installation, operation and service of the Combi Boiler. Noritz cannot anticipate every circumstance that might involve a potential hazard. Therefore, all possible incidents are not included in our warnings. Proper installation, operation, and service are your responsibility. -
Page 7: Before Installation
Check that the rating plate indicates the correct type of gas. Check that the gas supply line is sized for 199,000 Btu/h/ 120,000Btu/h (DHW / Heating mode) of CB199-DV model. Check that the gas supply line is sized for 180,000 Btu/h/ 100,000Btu/h (DHW / Heating mode) of CB180-DV model. -
Page 8: Choosing Installation Site
Choosing Installation Site Chapter 3. – Safety Requirements 3-3. 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 required that a suitable drain pan, adequately drained, be installed under the appliance. - Page 9 Choosing Installation Site Chapter 3. – Safety Requirements 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 entering the equipment. Install the unit in a location where the exhaust gas flow will not be affected by fans or range hoods.
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Page 10: Installation Clearance
Installation Clearances Chapter 3. – Safety Requirements 3-4. 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 11 Installation Clearances Chapter 3. – Safety Requirements Clearance Requirements from Vent Terminations to Building Openings <When supplying combustion air from the outdoors (Direct Vent)> US Direct Vent Canadian Direct Vent Description Installations Installations Clearance above grade, veranda, porch, deck, or balcony 12 in (30 cm) 12 in (30 cm) Clearance to window or door that may be opened 12 in (30 cm)
- Page 12 Installation Clearances Chapter 3. – Safety Requirements Clearance Requirements from Vent Terminations to Building Openings <When supplying combustion air from the indoors (Non-Direct Vent)> Description US Non-Direct Canadian Non-Direct Clearance above grade, veranda, porch, deck, or balcony 12 in (30 cm) 12 in (30 cm) 48 in (120 cm) below or to Clearance to window or door that may be opened side of opening;...
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Page 13: Securing To The Wall
Chapter 4. – Installation Securing to the wall 4-1. Securing to the wall WARNING CLEARANCES FOR SERVICE ACCESS The Combi Boiler must be installed on a wall that can bear its weight. If you try to install the Combi Boiler on a wall which cannot support its weight, please reconsider. The Combi Boiler can be installed on any suitable internal wall (suitable sound proofing may be required when installing onto a stud partition wall). -
Page 14: Vent Pipe Installation
Chapter 4. – Installation Vent Pipe Installation 4-2. Vent Pipe Installation (Indoor Installation Only) General Requirements • Under normal conditions, this appliance will not produce an exhaust flue temperature in excess of 149°F (65°C) and schedule 40 PVC pipe may be used as the vent material. If the Combi Boiler set temperature is 160°F (70°C) or higher, schedule 40 CPVC or PP must be used. - Page 15 Chapter 4. – Installation Vent Pipe Installation Vent Material Setting CAUTION • This Combi Boiler has a built-in control to limit the exhaust temperature to 149°F (65°C). As a result, the Combi Boiler can be vented with Schedule 40 PVC. • In high temperature applications, the exhaust temperature can exceed 149°F (65°C). In that case, you must use Schedule 40 CPVC or Approved Polypropylene (PP) in the USA or Type BH Special Gas Vent Class IIB (CPVC) or Class IC(Polypropylene) that conforms to ULC-S636 in Canada.
- Page 16 Chapter 4. – Installation Vent Pipe Installation Maximum Vent Length 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. Allowable Schedule 40 Vent Length (PVC, CPVC, PP) Pipe diameter 3" (75mm) 2" (50mm) No.
- Page 17 Chapter 4. – Installation Vent Pipe Installation Vent Pipe Installation (DV-Direct Vent) Horizontal Vent Termination- PVC/CPVC/PP Materials Only • As illustrated on the right, make sure to keep a distance of 3' (0.9m) or wider between the intake and exhaust when installing the vent piping.
- Page 18 Vent Pipe Installation Chapter 4. – Installation Vent Pipe Installation (DV-Direct Vent) Concentric PVC/CPVC Termination • PP can not be used if the concentric termination is being used. Must use PVC or CPVC. • The concentric termination may be shortened, but not lengthened from its original factory supplied length. •...
- Page 19 Vent Pipe Installation Chapter 4. – Installation Vent Pipe Installation (DV-Direct Vent) Horizontal Vent Termination- PVC/CPVC/PP Materials Only * When 3' (0.9m) remote distance between Intake and Exhaust cannot be ensured. * Can not use Hood termination (PVT-HL) • Intake and exhaust should face the same direc- tion.
- Page 20 Vent Pipe Installation Chapter 4. – Installation Vent Pipe Installation (SV-Non Direct Vent) When supplying combustion air from the indoors (SV-CK-3 Conversion Kit is required) Horizontal Vent Termination- PVC/CPVC/PP Materials Only • A tee, the PVT-HL termination may be used for the vent termination.
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Page 21: 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 22 5" WC for NG or 8" WC for LP, the Combi Boiler may continue to operate, but the other appliances in the house may experience flame loss or ignition failure, which can result in gas leakage into the home. 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 23 Outlet D: 25' (7.5m) (Use 30' (9m)), 25,000 Btu/h requires 1/2" Section 3: 45' (13.5m) (Use 50' (15m)), 175,000 Btu/h requires 1" Outlet E: 25' (7.5m) (Use 30' (9m)), 199,000 Btu/h requires 3/4" (CB199-DV) 180,000 Btu/h requires 3/4" (CB180-DV) Section 4: 45' (13.5m) (Use 50' (15m)),374,000 Btu/h requires 1-1/4"(CB199-DV) 355,000 Btu/h requires 1-1/4”(CB180-DV)
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Page 24: Water Piping
Water Piping Chapter 4. – Installation Installation must be performed by a qualified plumber. In the Commonwealth of Massachusetts, this 4-4. Water Piping 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: Freeze Prevention
If this Combi Boiler will be installed in an application where the supply water is hard, the water must be treated with either the Noritz H2Flow or Scale Shield 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 26: Heating Installation
Chapter 4. – Installation Heating Installation 4-5. Heating Installation System Pressure The Combi Boiler is intended solely for use in pressurized closed loop heating systems operating with 12-30 psi water pressure at the Combi Boiler outlet. To obtain the minimum system design pressure, follow the piping diagrams illustrated in this section. The Combi Boiler’s Heating system is not approved for operation in an ‘open system’, thus it cannot be used for direct potable water heating or to process heating of any kind. -
Page 27: Low Water Cutoff
4-6. 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 8psi. (operation pressure = (default valve 12psi) - (4psi)) •... -
Page 28: Pressure Relief Valve
Chapter 4. – Installation Pressure Relief Valve 4-7. 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. •... - Page 29 Chapter 4. – Installation Auto Feeder Connection 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 Air Vent • 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 30 Chapter 4. – Installation External Water Feeder • External water feeder may be installed on the system piping if it is required for specific applications. See the following figure for an example of external water feeder installation on the system piping. Air Separator Circulator From System To System...
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Page 31: Condensate Piping
Condensate Piping Chapter 4. – Installation 4-8. 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. •... -
Page 32: Electrical Wiring
Failure to do so may result in death or serious injury from electrical shock • The electrical supply required by the Combi Boiler is 120VAC at 60 Hz. The power consumption may be up to 180W/187W. (Model: CB180-DV/ CB199-DV), (External Pump: 120VAC 250W Max 2A) Use an appropriate circuit. -
Page 33: Wiring Diagram For External Options
Chapter 4. – Installation Application Connection 4-10. Wiring Diagram for External Options Note: * 1 External Pump Terminal : ‘10:EP’ should be ‘on’ in Installer Mode to activate this terminal. * 2 Air Handler Terminal : ‘8:AH’ should be ‘on’ in Installer Mode to activate this terminal. -
Page 34: Plumbing Guidelines
Chapter 4. – Installation Plumbing Guidelines 4-11. Plumbing Guidelines Piping Symbol 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 center to center spacing. 3. - Page 35 Chapter 4. – Installation Application Diagram 1. Primary/Secondary Piping with Zone Valves DHW Supply Heating Return DHW Cold Water Supply Heating Supply Cold Water 10:EP mode should to be ‘ON’ in Installer Mode to activate this terminal.
- Page 36 Chapter 4. – Installation Application Diagram 2. Primary/Secondary Piping with Zone Pumps DHW Supply Heating Return DHW Cold Water Supply Heating Supply Cold Water 10:EP mode should to be ‘ON’ in Installer Mode to activate this terminal.
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Page 37: Air Handler
4 - 12. Air Handler The Noritz Combi Boiler can control the operation of an Air Handler when a thermistor 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 heating function is not operating due to DHW operation, Combi Boiler errors or Low Water in the Combi Boiler. - Page 38 Chapter 4. – Installation Air Handler How to activate the Air Handler Terminal. 2.Turn the ‘Dial Button’ clockwise to 8:AH. 1. Turn off the power to the control panel. Press and hold the ‘Function Button’ for approximately 5 seconds to get into the ‘Installer Mode’. 4.
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Page 39: Trial Run-Auto Feeder Process
Chapter 4. – Installation Trial Run 4-13 Trial Run - Auto Feeder Process. 1. Turn on the power to the control panel. 2. Automatic water replenishment in progress when the Combi Boiler is less than the internal pressure 12psi. 1) When the Combi Boiler’s water pressure is below of a certain point, then the 3-Way Valve will be switched to the plate heat exchanger and add water. -
Page 40: Outdoor Temperature Reset
Chapter 5. – Setting Outdoor Temperature Reset 5-1. Outdoor Temperature Reset 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 41 Chapter 5. – Setting Outdoor Temperature Reset Setting the ‘Outdoor Temperature Reset Mode’. [2:TR] Outdoor Temperature Reset Mode 1. Connect outdoor sensor to terminal. 2. Turn off the power to control panel. Press and hold the (Refer to page 45 of the Installation Manual for ‘Function Button’...
- Page 42 Chapter 5. – Setting Outdoor Temperature Reset Adjusting Outdoor Temperature Reset Control Options 6. Turn the ‘Dial Button’ clockwise until ‘[3:TY]’ is displayed on the screen. Types of Heating Application (See below for how to select hot water heating source.) Set point Range(°F/°C) Heating Application Display Note...
- Page 43 Chapter 5. – Setting Outdoor Temperature Reset 9. With ‘4:Od’ displayed, press the ‘Dial Button’. 10. Press the ‘Dial Button’. The default design ‘A:HI’ will begin flashing. warm weather temperature (70°F) will flash on the display. Turn the ‘Dial Button’ to adjust to the desired temperature.
- Page 44 Chapter 5. – Setting Outdoor Temperature Reset 16. Turn the ‘Dial Button’ until ‘C.Lo’ is 15. Press the ‘Dial Button’ to confirm the setting. displayed. ‘C.Lo’ allows for adjustment of the design low temperature setting. 18. Press the ‘Dial Button’ to confirm the setting. 17.
- Page 45 • Make sure wiring connections are secure before closing the cap. • The sensor is a water resistant device. • Any damage to the device may require the replacement of the entire component. Outdoor Temperature Sensor Heat Demand (0-10V) Connection *Call Noritz for the details. Outdoor Temperature Sensor Connection...
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Page 51: Final Check List
Final Check List Chapter 6. - Final Check Points and Maintenance 6-1. Final Check List Final check : On the installation conditions. • Is the Combi Boiler securely mounted on the wall? • Is there space for a drain which is close to the Combi Boiler? • Is there any combustible material near the Combi Boiler and vent pipe? •... -
Page 52: Maintenance
Maintenance Chapter 6. - Final Check Points and Maintenance 6-2. 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 53: Maintenance Log
Maintenance Log Chapter 6. – Final Check Points and Maintenance MAINTENANCE LOG CAUTION In unusually dirty or dusty conditions, care must be taken to keep Combi Boiler cabinet door in place at all times. Failure to do so VOIDS WARRANTY! WARNING Allowing the Combi Boiler to operate with a dirty combustion chamber will hurt operation. Failure to clean the heat ex- changer as needed by the installation location could result in Combi Boiler failure, property damage, personal injury, or death. - Page 54 Memo...
- Page 55 Memo...
- Page 56 Installation Manual NORITZ AMERICA CO. 11160 Grace Avenue Fountain Valley, CA 92708 Phone : 866 - 766 - 7489...
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