CONDENSING TANKLESS GAS WATER HEATER Installation Manual Models NRCP111-DV / NRCP98-DV • Natural Gas(NG) / Propane Gas (LP) c Thank you for purchasing this Noritz Tankless Gas Water Heater. 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.
Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 2 Product Accessories Product Specifications Safety Requirements Installation Maintenance 1-1 Included Accessories 3 1-2 Optional Accessories 3 2-1 Specifications 6 2-2 Dimensions & Connections 7 3-1 Safety Precautions 8 3-2 Before Installation 9 3-3 Choosing Installation Site 10 3-4 High Elevation Installations 12 3-5 Installation Clearance 12 4-1 Securing to the wall 15 4-2 Vent Pipe Installation 16 4-3 Gas Piping 23 4-4
용 프리미엄 온수기(NRCP 2)_Spare parts kit label COUNTRY 공용 DESIGNED BY ENG 추준영 NORITZ DATE BUYER NORITZ CLIENT CHEKED BY 김상훈 PAGE 2018 . 12 . 24 Chapter 1. – Product Accessories The following accessories are included with the box. Check for any missing 1-1. Included Accessories items before starting installation.
Chapter 1. – Product Accessories ■ On-Demand (Title 24) Kit (IHK-NRCP) Qty Part Temperature Sensor (2 ties included) 1 Push Button Switch 2 Wire for Temperature Sensor (4.0 ft [1.
Chapter 1.
Specifications Chapter 2. – Product Specifications Specification 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 NRCP111-DV NRCP98-DV MAX 199,000 Btu/h 180,000 Btu/h MIN 18,000 Btu/h 18,000 Btu/h High Elevation (2,500~4,500ft) 180,000 Btu/h 180,000 Btu/h 35°F Rise 11.1 Gal 10.1 Gal 45°F Rise 8.7 Gal 7.8 Gal 77°F Rise 5.1 Gal 4.
Dimensions & Connections Chapter 2. – Product Specifications 2-2. Dimensions & Connections 11.5" [292mm] A 4.6" [117mm] 25 B 24 2 14.8" [376mm] 4.0" [101mm] 5.8" [148mm] 26 1 23 3 22 4 5 21 6 20 7 19 8 17 9 18 10 14 27 H I F C D E 5.7" [146mm] 2.6" [65mm] 28.7" [730mm] 16 G 2.4" [62mm] 3.3" [84mm] 9.
Chapter 3. – Safety Requirements Safety Precautions 3-1. Safety Precautions WARNING To avoid product damage, personal injury, or even possible death, carefully read, understand, and follow all the instructions in the Installation and Owner’s Guide before installation, operation and service the Water Heater. Noritz cannot anticipate every circumstance that might involve a potential hazard. Therefore, all possible incidents are not included in our warnings.
Chapter 3. – Safety Requirements Before Installation 3-2. Before Installation DANGER Check the fixing brackets and vent pipe yearly for damage or wear. Replace if necessary. WARNING Precautions on Vent Pipe Replacement The vent system will almost certainly need to be replaced when this appliance is being installed. Only use vent materials that are specified in this Installation Manual for use on this appliance. Refer to the “Vent Pipe Installation” section for details.
Chapter 3. – Safety Requirements Choosing Installation Site 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. The pan must not restrict combustion air flow.
Chapter 3. – Safety Requirements Choosing Installation Site be installed as directed. Do not install the water heater where the exhaust will blow on outer walls or material not resistant to heat. Also consider the surrounding trees and animals. The heat and moisture from the water heater may cause discoloration of walls and resinous materials, or corrosion of aluminum materials. CAUTION • Install the water heater in a location where it is free from obstacles and stagnant air.
Installation Clearances Chapter 3. – Safety Requirements 3-4. High Elevation Installations •This unit is only ANSI/CSA certified for installation up to 4500 ft. (1,350 m) above sea level. •For installations at higher elevations, please refer to the directions below or contact Noritz America. Note: This water heater may be installed at elevation up to 10,000 ft for use with Natural Gas and Propane. The water heater must be set for a specific altitude using the Installer Mode Setting described below.
Chapter 3. – Safety Requirements Installation Clearances Outdoor Installation Securing of space for repair/inspection In order to facilitate inspection and repair it is recommended to leave: If possible, leave 8" (200mm) or more on either side of the unit to facilitate inspection. If possible, leave 24" (600mm) or more in front of the unit to facilitate maintenance and service if necessary.
Installation Clearances Chapter 3.
Chapter 4. – Installation Securing to the wall 4-1. Securing to the wall WARNING CLEARANCES FOR SERVICE ACCESS The water heater must be installed on a wall that can bear its weight. The Water heater can be installed on any suitable internal wall (suitable sound proofing may be required when installing onto a stud partition wall). 1.Use the wall bracket to mark two locations where the anchor 5. Lift up the Water Heater, rest the unit on the hooks provided bolts will be inserted.
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. • Make sure the vent system is gas tight and will not leak. • Support the vent pipe with hangers at regular intervals as specified by these instructions or the instructions of the vent manufacturer.
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) Pipe diameter 3" (75mm) 2" (50mm) No. of Elbows Max Equivalent Vent Length* 6 70´ N/A 5 75´ N/A 4 80´ 18´ 3 85´ 26´ 2 90´ 34´ 1 95´ 42´ 0 100´ 50´ • 5 feet (1.5M) for each additional 3-inch 90-degree elbow • 2.5 feet (0.
AUTODESK � � � � � � � � � � Vent Pipe Installation Chapter 4. – Installation Vent Pipe Installation (DV-Direct Vent) Insert Vent Screen* in End of 90 Elbow Horizontal Vent Termination- PVC/CPVC Materials Only **1' (0.3m) Minimum AUTODESK � � � � � � � � � � Slope vent Upwards 3" Min * Not supplied with water heater, order separately. **1' (0.3m) Minimum recommended, but not required. When choosing intake and exhaust terminations, you must use the same type of elbow (i.e. both 90° elbows).
Vent Pipe Installation Chapter 4. – Installation Vent Pipe Installation (DV-Direct Vent) Concentric PVC/CPVC Termination • The concentric termination may be shortened, but not lengthened from its original factory supplied length. • 2" (50mm) & 3" (75mm) PVC or CPVC pipe may be used with the concentric termination. Reducers will be needed to connect 2" pipe. Maintain the same vent pipe diameter from the water heater flue to the termination.
Vent Pipe Installation Chapter 4. – Installation Vent Pipe Installation (DV-Direct Vent) Horizontal Vent Termination- PVC/CPVC 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 direction. Intake and exhaust should stay within the same pressure zone. • Insert the vent screen. 90° elbow vertical setting (downward). • Ensure at least 3ft (0.
AUTODESK � � � � � � � � � � 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 Materials Only AUTODESK � � � � � � � � � � Hanger Straps Exhaust Slope vent Upwards Intake **1' (0.3m) Minimum 90 Elbow * Not supplied with water heater, order separately. **1' (0.3m) Minimum recommended, but not required.
Vent Pipe Installation Chapter 4. – Installation Outdoor Installation Clearances (VCK-NRCP-1 Kit required) Minimum Clearances Installation Clearances from Non-Combustibles Top of appliance 36 in (900mm) Back of appliance Front of appliance Recommended Service and Proper Operation Clearances 5/8 in (15.9mm) 24 in (600mm) 24 in (600 mm) or more Side of appliance 3 in (75mm) Bottom of appliance 12 in (304.
Gas Piping Chapter 4. – Installation 4-3. Gas Piping In order to choose the proper size for the gas line, consult local codes or the National Fuel Gas Code ANSI Z223.1, CAN/CGA B149.1. CAUTION The guidelines and examples provided in this manual section are for reference only. The sizing and installation of the gas system for this water heater, as with any gas appliance, is the sole responsibility of the installer.
Gas Piping Chapter 4. – Installation CAUTION Pressure Test The appliance and its gas connections must be leak tested before placing the appliance in operation. 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 ½ psig (3.5 kPa). It is not recommended to pressure test in excess of ½ psig (3.5kPa).
Gas Supply Piping Chapter 4. – Installation Gas Line Sizing for a Noritz Condensing Tankless Gas Water Heater Table 1. For Less than 8" WC initial supply pressure Maximum Natural Gas Delivery Capacity (0.
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 designed for domestic hot water applications only. This appliance cannot be used for any space heating applications.
Water Piping Chapter 4. – Installation Supply water piping Hot water piping • Do not use PVC, iron, or any piping which has been treated with • Do not use lead, PVC, iron or any piping which has been treated with chromates, boiler seal or other chemicals. • Mount a check valve and a shut off valve (near the inlet). • In order for the client to use the water heater comfortably, 98.1 to 491 kPa (14 to 70 PSI) of pressure is needed from the water supply. Be sure to check the water pressure.
Condensate Piping Chapter 4. – Installation 4-5. 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 water heater is a high efficiency, fully condensing appliance which produces acidic condensate during operation.
Chapter 4. – Installation Plumbing Guidelines 4-6. Plumbing Applications Select Water Heater Mode Setting Mode Description Requirement Performance 1:RC 2:RM Dedicated Return Line Accessory Wait Time Water Savings Energy Savings Hot Water Temperature No Recirculation - page 29 Same as regular tankless water heaters. OFF NA NO - - - - External* [Etnl] - page 30 Quick hot water with dedicated return line.
Chapter 4. – Installation Plumbing Guidelines Recirculation Mode [ External Mode] · Provides most comfortable option. Maintains consistent hot water availability during specified times. · Timer can be manually customized or programmed to automatically learn daily usage patterns. · Ability to optimize by using Installer Mode function 3: RT to adjust loop temperature for maximum comfort and safety.
Chapter 4. – Installation Plumbing Guidelines / Pressure Relief Valve Recirculation Mode [ On Demand(tt24) Mode] · Provides best energy savings option · Designed to meet California Title 24 requirements. · Recirculation will only operate when the push button switch is pressed. Hot water will not be available immediately. · Built-in timer function is disabled · Will start circulation pump on-demand to purge cold water from the water lines and replace with hot water.
Recirculation Mode [ Crossover(CrOS) Mode] · Provides recirculation option for homes without a dedicated return line by utilizing the cold water line as a return line. · Timer can be manually customized or programmed to automatically learn daily usage patterns. · In order to prevent hot water from being supplied into the cold water line, the thermal element in the crossover valve will close at 95F. As a result, hot water may not be available at all times (only warm water).
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 with pressure higher than 150psi. This is the maximum allowable relief valve setting for the water heater. • Approved ‘Pressure Relief Valve’ should be applied.
Electrical Wiring Chapter 4. – Installation 4-7. Electrical Wiring Do not connect electrical power to the unit until all electrical wiring has been completed. Do not connect electrical power to the unit until all electrical wiring has been completed. 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. In Canada, the latest CSA C22.1 Electrical Code.
Setting the Control Panel Chapter 4. – Installation 4-8. Setting the Control Panel ►To use the ‘Recirculation Timer Mode’, the device’s internal clock should be adjusted to the current time. Clock settings can be set in the ‘User Mode’. [ To enter ‘User Mode’ ] Power on the control panel must be on. Press and hold ‘Function Button’ for approximately 5 seconds to enter ‘User Mode’. [A:GA] is displayed on the display screen. From here, turn the ‘Dial Button’ to start the setting.
Chapter 4. – Installation Setting the Control Panel Setting the Control Panel (Recirculation Setting) To set the recirculation mode (External, On-Demand, Crossover) 1. Press the 'Power Button' OFF. ('Display Screen' will be blank) 2. Press and hold the ‘Function Button’ for approximately 5 seconds to get into the ‘Installer Mode’. 3. ‘1:RC’ oFF will appear on the ‘Display Screen’. (‘1:RC’ will be blinking) 4. Press the ‘Dial Button’ and ‘oFF’ will start blinking. 6.
Chapter 4. – Installation Setting the Control Panel Setting the Control Panel (High Elevation) To set the High Elevation Elevation above Sea Level 5:EL setting 0 ~ 1,999 ft (0 ~ 609 m) 0 - 2 (Default) 2,000 ~ 4,999 ft (610 ~ 1,523 m) 2-5 5,000 ~ 7,999 ft (1,524 ~ 2,438 m) 5-8 8,000 ~ 10,000 ft (2,439 ~ 3,048 m) 8 - 10 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.
2:RM 1:RC Function Function Name Primary Display 1 2 Recirculation Mode Setting Recirculration Enable or not Primary Display CrOS tt24 EtnL on oFF Step 1 3 Step 2 Step 3 Secondary Display 5-2. Installer Mode (Parameter Settings) Chapter 5. – Setting Default Default Default Secondary Display • External (EtnL) : Recirculation Pump keeps the water within the Recirculation Loop heated during a pre-selected schedule.
5:EL 4:HT 3:RT Function Elevation Hot Water Temperature Setting Recirculation Temperature Setting Function Name Primary Display Chapter 5.
10:AG 9:FL 8:FH 7:CV 6:QC Function AGM Compensation Setting Fan Low RPM Compensation Setting Fan High RPM Compensation Setting Common Vent Setting Quick Connection Setiing Function Name Primary Display Chapter 5.
12:CL 11:IV Function Clear Each Record (Delete History) Re-Ignition Time Interval Function Name Primary Display Chapter 5. – Setting SyS PPHr bnCy bnHr EHIS POF rIG Step 1 yES no yES no yES no yES no yES no 1 ~ 30 1 ~ 60 Step 2 Step 3 Secondary Display Default Default Default Default Default 7 10 Default • EHIS : If 'on' is selected, the stored error history will be deleted. • bnHr : If 'on' is selected, the stored burner operating hour will be deleted.
14:od 13:CK Function Outdoor Installation Mode Check Each Part Function Name Primary Display Chapter 5. – Setting on oFF F.by E.FL d.Ag c.FAn b.PP2 A.PP1 Step 1 on oFF on oFF on oFF on oFF on oFF on oFF Step 2 Step 3 Secondary Display Default Default Default Default Default Default Default Default When installing the water heater outside the outdoor kit must be applied. The '14:od' mode needs to be set to 'on'. • A.PP1 : Trial Ignition (Internal) • b.
Chapter 4. – Installation Quick Connect 4-9. Quick Connect Multi System Installation The Quick Connect Multi System allows the installation of two units together utilizing only the Quick Connect Cord. ㆍQuick Connect Multi System cannot allows more than 2 units. ㆍAll units within Quick Connect Multi System must be of the same model. ㆍDifferent models cannot work as Quick Connect Multi System. The Quick Connect Cord is 6 ft.(1.8m) long.
Quick Connect Chapter 4. – Installation ※ All units must be set to the same settings listed below before using in the Quick Connect Multi System. 1. Set ‘on’ at [6:QC] in Installer Mode. (Refer to below) 2. Set Clock. (Refer to page 35 in the Installation Manual) 3. Set Recirculation Timer, if recirculation is used. (Please refer to pages 19 ~ 24 in the Owner’s Guide) Auto (Self Learning Mode) Recirculation function is not available with the Quick Connect Systems.
Common Vent Chapter 4. – Installation 4-10. Common Vent When Noritz water heaters are installed in a Noritz Quick Connect Multi System, you can install a common venting system. Do not use common venting if the water heater is used within a Noritz Quick Connect Multi System with other manufacturer’s water heaters or other models. Include a condensate drain in the main trunk as illustrated in the following examples. 1. Turn off the power to the control panel.
Common Vent Chapter 4. – Installation ● To determine the size of a common vent: Determine the total length (L) of the common vent, which consist of the horizontal width (W/W1) and vertical height (H/H1) Total Length (L) = W + H + W1 + H1 Require Load Total Btu/h Total Length 398,000 100' (30m) ● Maximum Vent Length Venting Intake and Exhaust to the roof No. of Elbows Max.
Trial Operation Chapter 4. – Installation 4-11. Pump Trial Operation The installer should test operate the unit, explain to the customer how to use the unit, and give the owner this manual before leaving the installation. AUTODESK ��� � � � � � water � ● Before initiating a pump check, open a hot water fixture to�confirm is available to prevent damaging the pump. AUTODESK � � � � � � � � � � 1. Press the ‘Power Button’ OFF.
Chapter 5. – Installation Check 5-1. 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. • If the flame does not appear normal, the burner may need to be cleaned.
Maintenance Report Chapter 5. – Installation Check MAINTENANCE REPORT CAUTION In unusually dirty or dusty conditions, care must be taken to keep water heater cabinet door in place at all times. Failure to do so VOIDS WARRANTY! WARNING Allowing the water heater to operate with a dirty combustion chamber will hurt operation. Failure to clean the heat exchanger as needed by the installation location could result in water heater failure, property damage, personal injury, or death.
Chapter 5. – Installation Check Final check list 5-2. Final Check List Final check : On the installation conditions.
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Installation Manual NORITZ AMERICA CO. 11160 Grace Avenue Fountain Valley, CA 92708 Phone : 866 - 766 - 7489 Rev.