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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 High Elevation Installations

3-5 Installation Clearance

Chapter 4

Installation

4-1 Securing to the wall

4-2 Vent Pipe Installation

4-3 Gas Piping

4-4 Water Piping

4-5 Condensate Piping

4-6 Plumbing Application

4-7 Electrical Wiring

4-8 Setting the Control Panel

4-9 Quick Connect Multi System Installation

4-10 Common Vent

4-11 Trial Operation

Chapter 5

Maintenance

5-1 Maintenance

5-2 Final Check List

Содержание NRCP111-DV

Страница 1: ...losion may result causing property damage personal injury or death Thank you for purchasing this Noritz Tankless Gas Water Heater Before using please Read this guide completely for operation instructi...

Страница 2: ...llation Site 10 3 4 High Elevation Installations 12 3 5 Installation Clearance 12 Chapter 4 Installation 4 1 Securing to the wall 15 4 2 Vent Pipe Installation 16 4 3 Gas Piping 23 4 4 Water Piping 26...

Страница 3: ...e following accessories are included with the box Check for any missing items before starting installation 1 2 Optional Accessories The accessories listed below are not included with the unit but may...

Страница 4: ...Outdoor Vent Cap w Plate and Packing 1 Exhaust Pipe 1 Exhaust Pipe Stopper 1 VCK Exhaust Adapter w P75 O ring and Packing 1 Chapter 1 Product Accessories On Demand Title 24 Kit IHK NRCP Outdoor Kit VC...

Страница 5: ...art Shape Qty Front Cover 1 Left Plate 1 Right Plate 1 Front Cover Bracket 1 Case Bracket 2 Part Shape Qty Frame Bracket 1 2 Frame Bracket 2 1 Dry Wall Anchor 2 Screws M4x10L 12 Knob 1 Manual 1 Chapte...

Страница 6: ...0 04 WC 0 07 WC 0 04 WC 0 07 WC 3 VENT 0 04 WC 0 07 WC 0 04 WC 0 07 WC Power Supply Main Supply 120V 60Hz Maximum Power Consumption 172W 82W 90W_PUMP Ignition System Direct Electronic Ignition Automat...

Страница 7: ...ecirculation Pump 11 Hot Water Connection 12 Condensate Trap 13 Recirculation Return Connection with Filter 14 Circuit Board 15 Cold Water Connection with Filter 16 Gas Connection 17 Water Control Val...

Страница 8: ...or others This manual provides Safety Symbols When the user fails to adhere to the following requirement it will cause death serious damages and a great property loss For safety symbols DANGER WARNING...

Страница 9: ...on Monoxide Snow Precaution If this product will be installed in an area where snow is known to accumulate protect the vent termination from blockage by snow drifts or damage from snow falling off of...

Страница 10: ...device fan to drop and incomplete combustion to occur as a result Avoid installation in places where special chemical agents e g hair spray or spray detergent are used Ignition failures and malfunctio...

Страница 11: ...t 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 Do not...

Страница 12: ...1 NFPA 54 latest edition In Canada see Natural Gas and Propane Installation Code CSA B149 1 latest edition for detailed requirements Display Operation Description 5 EL High Elevation Select an elevat...

Страница 13: ...area of installation When installing the unit in a common side corridor provide a clearance of 47 1 190mm or more in front of the unit Set the bottom edge of the exhaust port about 84 2 130mm from the...

Страница 14: ...ilding or the combustion air inlet to any other appliance 12 in 30 cm 36 in 91 cm K Clearance to a mechanical air supply inlet 3 ft 91 cm above if within 10 ft 3 m horizontally 6 ft 1 83 m L Clearance...

Страница 15: ...bottom of the Water Heater The two screws and dry wall anchors will be used to securer the bottom of the unit to the wall 9 Place the Water Heater back on the wall same as step 5 10 Screw in the two...

Страница 16: ...e only solid PVC or CPVC schedule 40 pipe Cellular foam core piping is not allowed In Canada plastic vent systems must be certified to ULC S636 The components of the certified vent system must not be...

Страница 17: ...cting vent air inlet terminal it is required to install screen for the terminal to prevent incoming of debris and animals which might cause damage to the unit 2 vent screen 1 4 mesh must be purchased...

Страница 18: ...etc Enclose exterior vent systems below the roof line to limit condensation and protect against mechanical failure When the vent penetrates a floor or ceiling and is not running in a fire rated shaft...

Страница 19: ...least 7 2 1m above a public walkway 6 1 8m from the combustion air intake of any appliance and 3 0 9m from any other building opening gas utility meter service regulator etc Terminate at least 3 0 9m...

Страница 20: ...nsure at least 3ft 0 9m or more distance between edge of air intake pipe or exhaust pipe and corner wall Upper side is exhaust lower side is intake The reverse orientation is not allowed Ensure at lea...

Страница 21: ...t least 2 0 6m but not more than 6 1 87m in accordance with the National Fuel Gas Code ANSI Z223 1 NFPA 54 Provide vertical support every 3 0 9m or as required by the vent pipe manufacturer s instruct...

Страница 22: ...re that there is sufficient space for service In multiple water heater installations ensure a minimum clearance of 36 from the top of one water heater to the bottom of the next water heater and a mini...

Страница 23: ...as in the home Serious accidents such as fire or explosion may result Measuring Gas Pressure In order to check the gas supply pressure to the unit a tap is provided on the gas inlet Remove the round h...

Страница 24: ...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...

Страница 25: ...04 448 409 378 346 332 307 275 252 213 1 1 4 2205 1496 1212 1039 913 834 771 724 677 639 567 511 440 1 1 2 3307 2299 1858 1559 1417 1275 1181 1086 1023 976 866 787 675 2 6221 4331 3465 2992 2646 2394...

Страница 26: ...be installed to allow complete drainage of both the valve and the line If this unit is installed with a separate storage vessel the separate vessel must have its own temperature and pressure relief va...

Страница 27: ...urce of trouble for the client Drain piping Expansion water may drop from the pressure relief valve and wet the floor If necessary provide drain piping or use a drain hose to remove the water Hot wate...

Страница 28: ...GPH from the water heater Horizontal runs must be sloped 1 4 per foot towards the drain or condensate pump The condensate will be discharged by gravity force only Make the drain pipe run as short as...

Страница 29: ...n hot water will be automatically circulated in the hot water pipes Even with this function activated it may take several minutes for hot water to be completely circulated through the plumbing system...

Страница 30: ...Plumbing Guidelines Recirculation Mode Chapter 4 Installation The recirculation pipe must be installed in the field in order to apply the External Mode This mode allows the water heater recirculation...

Страница 31: ...reached 102F at the installed temperature sensor Do not repeatedly press on demand button On demand function will not operate if the water in the line is already warm Recirculation Mode Chapter 4 Ins...

Страница 32: ...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 Crossover CrOS Mode Cold Water Li...

Страница 33: ...close to the unit as possible Valve size 3 4 maximum 150psi Refer to the figure below for more information on approved pressure relief valves Direct the discharge piping of the pressure relief valve s...

Страница 34: ...ndant length of cord inside the water heater may cause electrical interference and faulty operation Ground To prevent electrical shock provide a ground with resistance less than 100 An electrician sho...

Страница 35: ...he Clock Setting mode by pressing Dial Button when flashing the M TA character Press and hold Function Button for approximately 5 seconds to enter User Mode Power on the control panel must be on Custo...

Страница 36: ...creen 1 RC will be blinking 4 Press the Dial Button and oFF will start blinking EtnL is for External Mode tt24 is for On Demand Mode CrOS is for Crossover Mode Verify which type of Recirculation Syste...

Страница 37: ...e until the display reads 5 EL 3 0 2 will flash when the Dial Button is pressed The default setting is 0 2 for installations at 0 1 999 ft elevation 4 Turn the Dial Button clockwise to select the valu...

Страница 38: ...the Recirculation External On Demand Crossover Mode To activate the setting 2 RM Recirculation mode 3 RT Recirculation Temperature Level 1 RC mode setting must be on Installation Manual Page 36 on 2...

Страница 39: ...I 1 Default HI 2 4 HT Hot Water Temperature Setting Lo Select the level at which the water heater turns on or off according to the domestic hot water temperature Choose a hot water temperature setting...

Страница 40: ...be on Installation Manual Page 44 on 7 CV Common Vent Setting on Default When Noritz water heaters are installed in a Noritz Quick Connect Multi System you can install a common venting system This set...

Страница 41: ...Burner pump operation time burner operation cycle and error history check are available in user mode K RH EHIS If on is selected the stored error history will be deleted bnHr If on is selected the st...

Страница 42: ...is selected each function will be activate A PP1 Trial Ignition Internal b PP2 Trial Pump Operation c FAn Trial Fan Operation d Agr AGM Initialization E FL Water Control Valve Initialization F by Wate...

Страница 43: ...ee Typical Plumbing diagram If the distance between the two units is too great not only the cable won t be able to reach but the water temperature may also become unstable because of the difference in...

Страница 44: ...er s Guide Note CA 01 Master unit will be able to set as first setting on at 6 QC in Installer Mode Other unit will be automatically set CA 02 Slave as second setting on at 6 QC in Installer Mode 1 Tu...

Страница 45: ...current setting and return back to Installer Mode 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 th...

Страница 46: ...Venting the Exhaust only to the side wall Venting Intake and Exhaust to the roof Venting the Exhaust only to the roof Note For each short radius elbow that will be used in the vent add 8 feet 2 4 m to...

Страница 47: ...utton AUTODESK AUTODESK AUTODESK AUTODESK 1 Press the Power Button OFF Display Screen will be blank Push and hold the Function Button to enter lnstaller Mode 2 In Installer Mode turn the Dial Button c...

Страница 48: ...relief valve and make sure that water draining out of the valve will not cause any damage If the relief valve discharges periodically it may be due to thermal expansion in a closed water system Conta...

Страница 49: ...er heater piping Check water heater and system piping for any sign of leakage Leaking pipes could cause property damage Make sure all piping is properly supported Flush tankless heat exchanger annuall...

Страница 50: ...s in accordance with this manual and or your local code Is the vent termination at least 12 above the exterior grade Is the total vent length within the maximum vent length restriction Have you checke...

Страница 51: ...51 Memo...

Страница 52: ...NORITZ AMERICA CO 11160 Grace Avenue Fountain Valley CA 92708 Phone 866 766 7489 Installation Manual Rev 07 19...

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