Owner’s Guide and Installation Manual Model N-069M N-063S WARNING: If the information in this manual 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.
Contents Contents ........................................................................................................ 2 Owner's Guide Important Safety Information ....................................................................... 3 General Parts Main Unit .................................................................................................... 7 Remote Controller .................................................................................... 8 Initial Operation ....................
Important Safety Information-1 To prevent damage to property and injury to the user, the icons shown below will be used to warn of varying levels of danger. Every indication is critical to the safe operation of the water heater and must be understood and observed. 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.
Important Safety Information-2 (Continued) Do not turn off the water heater or change the water temperature while someone is bathing. [When installing indoors] Check the air supply vent for dust or obstructions. Do not place combustibles such as laundry, newspapers, oils etc. near the heater or the exhaust vent terminal. Exhaust vent terminal (indoor installation) Be sure the gas/power supplied matches the gas on the rating plate.
Caution Be sure to electrically ground the unit. Do not touch the exhaust vent pipe during or immediately after operation of the water heater. Do not touch the power cord with wet hands. Keep power cord free of dust. Do not use a broken or modified power cord. Do not bind, bend or stretch power cords. Do not scratch, modify, or subject them to impact or force. Do not use the water heater for other than hot water supply, shower and bath.
Important Safety Information-3 Remark Do not drink water that has been inside the unit for an extended period of time. Do not drink the first use of hot water from the unit in the morning. Clean the filter on the water inlet as frequently as required by the quality of your local water. Keep the area around the unit clean. If boxes, weeds, cobwebs, cockroaches etc. are in the vicinity of the unit, damage or fire can result. This unit is only approved for installation up to 4500 ft. above sea level.
General Parts Main Unit Indoor/Outdoor Wall Mounted, Power Vented Model Flue Collar Front Cover Air Inlet Water Drain Valve (with Water Filter) (Inside Water Inlet) ( p.20) Pressure Relief Valve Water Supply Valve Gas Supply Valve * The above illustration shows an example of installation. The exact installation configuration may be slightly different.
Remote Controller (RC-7646M-2) Display ( next page) Setting Buttons For setting the hot water temperature, the flow meter alarm, and other settings. Power On/Off Button For turning the heater on and off. Flow Meter Alarm Set Button For setting the flow meter alarm. ( p.14 and 15) * Before use, remove the protective sheet from the remote controller surface. * The unit has been shipped from the factory with the remote controlset at 110°F.
Display The illustration below shows the remote controller display. What is actually displayed depends on how the water heater is set. Burner On Indicator Priority Indicator When this indicator is lit, the hot water temperature can be set. ( p.13) Temperature Setting (Ex.: 110°F) Flow Meter Setting The display will flash after hitting the flow meter alarm set button. ( p.15) Error Code A number will flash if a failure occurs. ( p.
Initial Operation Before the first use of your water heater, make the following preparations. Follow steps 1 2 1 through 4. Open the water supply valve. OPEN CLOSED Open a hot water fixture to confirm that water is available, and then close the fixture again. Hot water fixture 3 4 10 Open the gas supply valve. Turn on the power.
How to Use (Using the remote controller) Muting the Remote Controller 1 1 The remote controller will emit a sound when any button is pushed. This sound can be muted if it is desired. * Initial factory setting is with sound With the remote controller off, hold the Power On/Off Button for five seconds. Muted No sound after 5 sec. Sound Tone sounds after 5 sec. The flow meter alarm cannot be muted.
How to Use (Using the remote controller) Setting and Using the Water Heater 2 1 (Starting with the Power Off) 1 Press the Power On/Off Button. On The temperature will be displayed on the remote control thermostat. On Previous set temperature (Ex.: 110°F) Caution To prevent scalding: High Temperature Temperatures above 125 °F can scald. • Check the water temperature by hand before bathing or showering.
2( Set temperature. Always check the temperature setting before use. ) 3 Turn on hot water. 4 Turn off the hot water. Hot Cold Check the indicator lights. On Off Water temperature (°F: ) The temperature settings below are examples. The temperature setting necessary depends on the usage, the length of piping and the time of year. 100 Washing dishes, etc. 105 110 115 120 125 130 135 140 145 150 160 170 176 Shower, hot water supply, etc.
How to Use (Using the remote controller) Flow Meter Alarm 2,3 1 3 (Starting with the power off) Preparation 1 Press the Power On/Off Button 1. Plug the bath drain. On 2( Set temperature. Always check temperature setting before use. ) Hot Cold The temperature will be displayed on the remote control thermostat. On Previous set temperature (example:110°F) 14 Check the indicator lights.
Water Temperature An alarm will sound for ten seconds when the flow reaches the set level. (°F: The temperatures settings below are only examples. The temperature setting necessary will depend on the usage, the length of piping and the time of year. 100 Warm The water will continue to run unless it is manually turned off. 105 110 115 Warmer ) 120 Hot * Initial factory setting: 110°F To set the flow meter alarm: 3 Adjust flow meter alarm setting. 4 Turn on hot water.
How to Use (Not using the remote controller) Setting and Using the Water Heater The factory temperature setting is 120°F (fixed). Mix with cold water with a mixing valve or at the fixture for desired temperature. 1 Check that electrical power is connected. 2 Turn on hot water. 3 Mix for desired temperature. t Ho ter wa W at e r Tempera ture scalding. 4 Turn off the hot water. The electrical power does not need to be disconnected between uses.
Preventing Damage from Freezing-1 Remarks * Damage can occur from frozen water within the device and pipes even in warm environments. Be sure to read below for appropriate measures. * Repairs for damage caused by freezing are not covered by the warranty. Freezing is prevented within the device automatically by the freeze-prevention heater Freezing cannot be prevented when the power plug is unplugged. Do not remove the power plug from the wall outlet.
Preventing Damage from Freezing-2 If the water heater will not be used for a long period of time, Drain the water. Drain the water as follows: Caution High Temperature To avoid burns, wait until the equipment cools down before draining the water. The appliance will remain hot after it is turned off. Drain water into a bucket to prevent water damage. 1. Close the gas valve. 2. (1) Turn the power on. (2) Turn and leave open the hot-water tap for more than 1 minute and close.
Regular Maintenance-1 Periodic Inspection Caution High Temperature To avoid burns, wait until the equipment cools down before draining the water. The appliance will remain hot after it is turned off. Check For laundry, newspaper, timber, oil, spray cans and other combustible materials. ( p.4 ) Check For dust and soot in the exhaust vent or exhaust vent terminal. Check For abnormal sounds during operation. Check For dust or debris in the air inlet.
Regular Maintenance-2 Periodic Maintenance Water Drain Valve (with Water Filter) If the water drain valve (with water filter) is covered with debris, the hot water may not run smoothly, or the unit may put out cold water. Check and clean the filter as explained below. * To avoid burns, wait until the equipment cools down before draining the water. The appliance will remain hot after it is turned off. 1. Close the water supply valve. 2. Open all hot water fixtures. 3.
Troubleshooting-1 Initial Operation Unit does not attempt to ignite when water is running. • Is water running? • Check for reversed plumbing or crossed pipes. • Check the water drain valve filter. ( Unit attempts to ignite but fails p.20 ) • Reset unit and try again. There may be air in the gas line. • Have a professional check the gas supply pressure. Temperature Hot water is not available when a fixture is opened.
Troubleshooting-2 Temperature The water is cold when only a single fixture is open. • The unit will not heat the water if the flow rate is less than 0.5 gallons per minute. Open the fixture more or open other fixtures so that a greater flow passes through the unit, and the unit should begin heating again. Fluctuations in hot water temperatures. • Set water temperature at 115°F to 120°F. This will allow you to use a higher flow of hot water thus meeting the minimum flow requirement of 0.5 gpm.
Remote Controller The light on the power button does not come on. • Has there been a power failure? The water temperature changes after a power failure or when the power is disconnected. • The temperature setting and the flow meter alarm setting may both need to be reset after a power outage. • Is the power connected properly? Sounds The fan can be heard after operation is stopped.
Troubleshooting-3 Check for an Error Code or Flashing Light on the Unit åÃè·ï\é¶Ç åÃè·ï\é¶Ç Ç®í≤Ç◊Ç≠ÇæÇ≥Ç¢ Ç®í≤Ç◊Ç≠ÇæÇ≥Ç¢ [Error displays on the remote controller] If there is a problem with the unit, a numerical error code will flash on the remote controller. If this occurs, take appropriate measures as listed below. Flashing When an error code appears, the display and the operation light will flash together.
Follow-up Service Requesting Service First follow the instructions in the troubleshooting section (p.21 to p.24). If the error is not corrected, contact our sales agent. We will need to know: The Model ................ (check the rating plate) *See p.4 for the location of the label Date of purchase ..... (see the warranty) Details of problem ... (flashing error codes, etc.
Specifications • Specifications may be changed without prior notice. • The capacity may differ slightly, depending on the water pressure, water supply, piping conditions, and water temperature.
External outfitting 072 For N-069M only 011 007 072 012 014 013 037 001 015 002 034 074 071 020 005 035 016 004 010 073 For N-063S only 003 015 002 007 27
External outfitting Part Nos. 28 Part Names Order Nos.
Combustion unit and gas route 101 110 162 100 125 127 126 074 107 127 103 165 104 106 128 169 102 167 105 074 167 132 074 074 133 145 116 134 166 117 115 163 111 138 168 112 134 166 074 140 074 113 168 164 074 118 114 29
Combustion unit and gas route Part Nos. 30 Part Names Order Nos.
Hot-water feed route for N-069M only 400 401 402 423 402 402 074 407 404 162 402 409 403 425 446 445 432 416 426 419 419 443 415 429 416 419 462 417 418 461 435 418 415 448 436 437 452 410 444 431 444 417 427 464 442 419 429 465 451 418 430 438 466 462 073 410 (Thermal fuse rounding procedure) (Front side view) (Left side view) 401 Thermal fuse fastener 402 Thermal fuse fastener 407 Freeze preventive heater (Right side view) 402 Thermal fuse fastener Heater
Hot-water feed route for N-063S only 400 401 402 423 402 402 074 407 404 162 402 409 403 425 429 465 441 427 446 444 464 461 447 426 445 444 419 429 417 418 415 435 419 419 417 416 436 452 410 462 448 437 462 073 410 438 073 451 (Thermal fuse rounding procedure) (Left side view) 401 Thermal fuse fastener (Front side view) 402 Thermal fuse fastener 407 Freeze preventive heater 32 (Right side view) 402 Thermal fuse fastener Heater fastener 409 (Rear side view) 402 Ther
Hot-water feed route for N-069M only/Hot-water feed route for N-063S only Part Nos. Part Names Order Nos.
Electronic control unit 704 706 714 074 074 708 716 712 732 703 707 163 074 711 731 731 074 074 700 163 074 For N-069M only 705 For N-069M only For N-069M only 163 For N-063S only Remote controller kitchen remote controller (RC-7646M-2-USA) For N-069M only 753 751 752 754 755 Attached set 801 For N-069M only 802 34 Special part Special part no.
Electronic control unit, Remote controller and Attached set Part Nos. Part Names Order Nos.
Installation Manual NORITZ AMERICA CORPORATION GAS WATER HEATER N-069M (remote controller included) (Indoor/Outdoor Installation) N-063S (remote controller not included) (Indoor/Outdoor Installation) WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or death. Potential dangers from accidents during installation and use are divided into the following three categories.
1. Included Accessories Part Shape The following accessories are included with the unit. Check for any missing items before starting installation. Q’ty Part Tapping Screw 5 Installation Manual (this document) 1 Remote Controller (N-069M only) (See p. 53) 1 Remote Controller Cord (10ft) (N-069M only) 1 2.
3. Quick Connect Multi System Installation • The Quick Connect Multi System allows the installation of two units together utilizing only the Quick Connect Cord. The Quick Connect Cord is 6 ft. long. Install the units 2-18" apart from each other to ensure the cord will be able to reach between the units. (See Typical Plumbing diagram).
4. Before Installation Caution Check the Gas • Check that the rating plate indicates the correct type of gas. Check that the gas supply line is sized for 194,000 Btuh for this unit. Check the Power • The power supply required is 120V AC, at 60Hz. Using the incorrect voltage may result in fire or electric shock. Do Not Use Equipment 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.
• Install the exhaust vent so that there are no obstacles around the termination and so that exhaust can't accumulate. Do not enclose the termination with corrugated metal or other materials. • 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.
6. Installation Clearances Caution Before installing, check for the following: Install in accordance with relevant building and mechanical codes, as well as any local, state or national regulations. Required Clearances From Heater Item Check Illustration • Maintain the following clearance from both combustible and non-combustible materials.
Clearance Requirements from Vent Terminations to Building Openings * All clearance requirements are in accordance with ANSI Z21.10.3a-2003 and the National Fuel Gas Code, ANSI Z223.1. Vent Terminal Air Supply Inlet Clearance A= B= C= D= E= F= G= H= I= J= K= L= M= Above grade, veranda, porch, deck, or balcony Area Where Terminal is Not Permitted Indoor Installation (See p.43) Outdoor Installation (See p.
Clearance Requirements from Vent Terminations to Building Openings * All clearance requirements are in accordance with ANSI Z21.10.3a-2003 and the National Fuel Gas Code, ANSI Z223.1.
7. Installation Securing to the wall • 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. • Install the unit on a vertical wall and ensure that it is level.
8. Vent Pipe Installation (Indoor Installation Only) Vent Piping • Use only listed category III vent materials. • Follow the vent pipe manufacturer's installation instructions. Pipe diameter No. of Elbows 3 2 1 4" Max. Straight Vent Length 15' 27' 39' • Make the vertical section of the exhaust vent as short as possible. • Maintain the same vent pipe diameter from the heater flue to the vent termination. Clearances Manufacturer and Enclosed Unenclosed Product Hor. Vert. Hor. Vert.
Vertical Vent Termination Rain Cap Roof Flashing Firestop/ Support Elbow 3' Max. Hanger Strap Condensation Drain (Install According to Local Codes) Appliance Adapter 46 Firestop • Terminate at least 6' from the combustion air intake of any appliance, and 3' from any other building opening, gas utility meter, service regulator etc. • Enclose exterior vent systems below the roof line to limit condensation and protect against mechanical failure.
Combustion Air Supply combustion air to the units as per the National Fuel Gas Code, ANSI Z223.1. • Provide two permanent openings to allow circulation of combustion air. • Make each opening 194 square inches if they provide indoor air, and 100 square inches for outdoor air. • If the unit is installed in a mechanical closet, provide a 24" clearance in front of the unit to the door. • If combustion air will be provided through a duct, size the duct to provide 60 cubic feet of fresh air per minute.
9. Gas Piping Follow the instructions from the gas supplier. The appliance and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1⁄2 psig (3.5 kPa). 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 1⁄2 psig (3.5 kPa).
Gas Line Sizing for a Noritz N-063S or N-069M Adapted from UPC 1997 Maximum Natur Natural al Gas Delivery Capacity in Cubic Feet per Hour (0.60 Specific Gravity, 0.
10. Water Piping Ask a qualified plumber to perform the installation of the plumbing. Observe all applicable codes. This appliance suitable for potable water and space heating applications. Do not use this appliance if any part has been underwater. Immediately call a qualified service technician to inspect the appliance and replace any part of the control system and gas control which has been under water.
11. Plumbing Applications Recirculation System Aquastat Wiring Hot Water Return Cold Water Supply Use Honeywell Aquastat (Model L6006A or L6006C) Fixtures Check Valve NORITZ N-069M N-063S (N-069M Relay for Pump > 85 W) (See p. 55) 105 Pump Expansion Tank (Install According to Local Codes) Pump Control Signal R ((N-069M) See p. 55) AC120 Check Valve Pressure Relief Valve Pump Aquastat (N-063S) (See notes for Sizing) (For N-069M, Use Aquastat if Unit Isn't Controlling Pump) 8-10 Gal.
12. 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. 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. Caution: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation.
Remote Controller • Applicable Model N-069M, N-063S (option) Remote controller RC-7646M-2 Install the remote controller according to the instructions in the Installation Guide (p. 61). • The N-069M can be programmed so that it will default to one of four temperatures if the remote controller is removed (176, 140, 130, 120°F). To change the default temperature, the remote controller must be initially installed, and removed after programming. * Changing the default temperature setting: 1.
Connecting Remote Controller Cord to Unit • • • • Keep the remote controller cord away from the freeze prevention heaters in the unit. Tie the redundant cord outside the water heater. Do not put the extra length inside the equipment. The remote controller cord can be extended up to 300' with 18AWG wire. Use a Y type terminal with a resin sleeve. (Without the sleeve, the copper wire may corrode and cause problems). • Be sure to hand tighten when screwing to the terminal block.
Pump Wiring * For model N-069M only. This feature is not available when using the Quick Connect Multi System feature. Connecting the pump control wire 1. Leave enough slack so that the pump control wires will stay connected if the unit is removed from the wall. 2. Remove the front cover of the heater (4 screws). 3. Cut off the connector at the end of the pump control wires. 4.
13. 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. • If the burner needs to be cleaned, it must be performed by a qualified service technician.
Caution Handling after trial operation • If the unit will not be used immediately, close off all gas and water shutoff valves, drain all of the water out of the unit and the plumbing system to prevent the unit and system from freezing, and bleed the gas out of the gas line. Freezing is not covered by the warranty. Lighting Instructions This water heater does not have a pilot. It is equipped with an ignition device that automatically lights the burner. Do not try to light the burner by hand. 1.
15. Dimensions N-069M (VIEW FROM TOP) 1.8" 10.8" 10.5" 7.7" 7" 1.5" 1.8" 6.1" 6.3" 4.3" 13.3" GAS INLET (3/4") HOT WATER OUTLET(3/4") WIRING THROUGHWAYS COLD WATER INLET(3/4") 13.8" 4.7" 13.1" 9.5" 0.4" 0.4" 3" FLUE COLLAR 3.2" 4" 81.5 23.6" 22.3" 24.5" 1.2" UPPER WALL MOUNT BRACKETS 4.7" 2.4" LED AIR INLET BOTTOM OF CASE BOTTOM OF CASE 0.4" 3.3" 1.9" LOWER WALL MOUNT BRACKETS 1.9" 1.7" 0.
WIRING DIAGRAM (MODEL : N-069M,N-063S) THERMAL FUSE HEAT EXCHANGER FLOW CONTROL VALVE BK V W G O W BR BL (VCC) ＳＭ (VCC) (Fully open) (GND) ＬＳ ８ ７ ６ ５ ４ ３ ２ １ BK V W G O W BR BL BL W １ BL BL １ BL BL １ THERMAL FUSE BL Other Unit in Quick Connect Multi System MAIN CIRCUIT BOARD HEAT EXCHANGER FLOW SENSOR １ (Pulse) (VCC) (GND) ＱＳ Y R BL AIR INLET THERMISTOR ３ ２ １ WATER INLET THERMISTOR ２ W １ W ３ ２ W １ W
For Quick Connect Multi System Installation usa a Quick Connect Cord (sold separately). Connecting Quick Connect Cord Caution The wire coloring on the Quick Connect Cord will not be the same as the wire coloring of the connection plug inside the unit. * The remote controller can be connected to either unit A or B. 1.Red 2.Black 3.White 4.Green 5.Blue 6.Blue 1.Red 2.Black 3.White 4.Green 5.Blue 6.Blue 1.White 2.Green 3.Red 4.Black 5.Blue 6.Blue A Quick Connect Cord 1.Red 2.Black 3.White 4.Green 5.
For Installers: Read this installation guide carefully before carrying out installation. Remote Controller RC-7646M-2 Installation Guide NORITZ AMERICA CORPORATION Note Do not connect power to the water heater before the remote controller has been properly installed.
Installation 1. Apply Wall Packing to the rear side of the remote controller. 2. Connect the remote controller wires to the separate remote controller cord. 3. Remove the cover of the remote control, mark the location of the screw holes, and drill holes for the wall anchors. 4. Insert the wall anchors, screw the remote control to the wall and replace the cover.
Installing the Remote Controller Outdoor Junction Box 1. Insert the remote controller wires through the wall pipe and secure the wall pipe to the remote controller. Locate the remote controller wall packing, slide it over the pipe and wires, and apply it to the rear side of the remote. 5. Slide the box nut over the remote controller wires and screw it onto the wall pipe.
