Advertisement

Quick Links

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.
• 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.
CERTIFIED
R
Low NOx
Approved by
SCAQMD
SAR8464-1
Rev. 1/06
Owner's Guide and
Model N-132M-ASME
Thank you for purchasing this Noritz Gas Water Heater. Before using, please:
Read this manual completely for correct installation and operation instructions.
Completely fill out the warranty registration card (included separately) and
mail the detachable portion to Noritz America Corporation.
Keep this manual (and the remainder of the warranty registration card) where it
can be found whenever necessary.
NORITZ America Corporation
Installation Manual
*SAR8464 T*

Advertisement

Table of Contents
loading

Summary of Contents for Noritz N-132M-ASME

  • Page 1 - Installation and service must be performed by a qualified installer, service agency or the gas supplier. Thank you for purchasing this Noritz Gas Water Heater. Before using, please: Read this manual completely for correct installation and operation instructions. Completely fill out the warranty registration card (included separately) and CERTIFIED mail the detachable portion to Noritz America Corporation.
  • Page 2: Table Of Contents

    Contents Contents ......................2 Owner's Guide Important Safety Information ............... 3 General Parts Main Unit ....................8 Remote Controller ..................9 Initial Operation ................... 11 Setting and Using the Water Heater ............12 Flow Meter Alarm ..................14 Muting the Remote Controller ..............16 Preventing Damage from Freezing ............
  • Page 3: Important Safety Information

    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.
  • Page 4 1. Turn off the hot water supply 2. Turn off the power to the water heater 3. Turn off gas and water at the main 4. Consult the nearest Noritz agent For Natural Gas Check the temperature of the running hot water before entering the shower.
  • Page 5 Warning [When installing indoors] Do not place combustibles such as Check the air supply laundry, newspapers, oils etc. near vent for dust or the heater or the exhaust vent obstructions. terminal. Exhaust vent terminal (indoor installation) Leave the proper clearance between the water heater and nearby objects (trees, timber, boxes with flammable Unit...
  • Page 6 Important Safety Information Caution Be sure to electrically ground the Do not touch the exhaust vent pipe unit. 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 hair spray or spray detergent in the vicinity of the heater.
  • Page 7 Do not up to 4500 ft. above sea level. drink the first use of hot water from the For installations at higher elevations, contact Noritz unit in the morning. America for Instructions. Do not disassemble the remote controller.
  • Page 8: General Parts

    General Parts Main Unit Indoor/Outdoor Wall Mounted, Power Vented Model Flue Collar Front Cover Air Inlet 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.
  • Page 9: Remote Controller

    Remote Controller (RC-7646M-2) Display Setting Buttons next page) 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.
  • Page 10 Display The illustration below shows the remote controller display. What is actually displayed depends on how the water heater is set. Burner On Indicator Temperature Setting Priority Indicator (Ex.: 110°F) When this indicator is lit, the hot water Flow Meter Setting temperature can be The display will flash set.
  • Page 11: Initial Operation

    Initial Operation Before the first use of your water heater, make the following preparations. 1 through 4 Follow steps Open the water supply valve. OPEN CLOSED Open a hot water fixture to confirm that water is available, and then close the fixture again.
  • Page 12: Setting And Using The Water Heater

    How to Use Setting and Using the Water Heater (Starting with the Power Off) Press the Power On/Off Button. The temperature will be displayed on the remote control thermostat. Previous set temperature (Ex.: 110°F) Caution To prevent scalding: High Temperature Temperatures above 125 °F can scald.
  • Page 13 Set temperature. Turn off the hot Turn on hot Always check the water. water. temperature setting before use. Cold Check the indicator lights. Water temperature The temperature settings below are examples. The temperature setting °F : If fixtures incorporate mixing necessary depends on the usage, the length of piping and the time of year.
  • Page 14: Flow Meter Alarm

    How to Use Flow Meter Alarm (Starting with the power off) Set temperature. Press the Power Preparation Always check On/Off Button temperature setting before use. 1. Plug the bath drain. Cold The temperature will be displayed on the remote control thermostat. Check the indicator lights.
  • Page 15 Water Temperature An alarm will sound for ten seconds when the flow The temperatures settings below are only examples. The °F : temperature setting necessary will depend on the usage, reaches the set level. the length of piping and the time of year. Warm Warmer The water will continue to run unless it is...
  • Page 16: Muting The Remote Controller

    How to Use Muting the Remote Controller 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.
  • Page 17: Preventing Damage From Freezing

    * The freeze prevention heaters will not prevent the plumbing external to the unit from freezing. Protect this plumbing with insulation, heat tape or electric heaters, solenoids, or pipe covers. If there remains a freezing danger, contact the nearest Noritz agent. Take the measures below for extremely cold temperatures*.
  • Page 18 Preventing Damage from Freezing If the water heater will not be used for a long period of time, Drain the water. Drain the water as follows: Caution To avoid burns, wait until the equipment cools down before draining the water. The appliance will remain hot after it is turned off.
  • Page 19: Regular Maintenance

    Regular Maintenance-1 Periodic Inspection Caution To avoid burns, wait until the equipment cools down before draining the water. The appliance will remain hot after it is turned off. High Temperature For dust and soot in Check For laundry, newspaper, timber, Check the exhaust vent or oil, spray cans and other...
  • Page 20 Optional Maintenance Water Heater Service Valves (IK-WV-3) * Isolator valve kits may be purchased as an accessory from Noritz (Part #IK-WV-3). They allow for one man full diagnostic testing and easy flushing of the system. * The kit includes two full port isolation valves and a pressure relief valve for the hot side.
  • Page 21: Troubleshooting

    Troubleshooting-1 Initial Operation • Is water running? Unit does not attempt to ignite when water is running. • Check for reversed plumbing or crossed pipes. • Check water filter. ( p.20 ) Unit attempts to ignite but fails • Reset unit and try again. There may be air in the gas line. •...
  • Page 22 Troubleshooting-2 Temperature • Are the gas and water supply valves fully open? The water is not hot enough. • Is the water temperature setting appropriate? p.12 and p.13) • If the amount of hot water required is very high, it is possible for the temperature to be lower than the temp- erature set on the remote controller.
  • Page 23 Remote Controller • Has there been a power failure? The light on the power button does not come on. • Is the power connected properly? The water temperature changes • The temperature setting and the flow meter alarm setting after a power failure or when the may both need to be reset after a power outage.
  • Page 24 Abnormal combustion, Have a professional check the gas supply pressure. low gas supply pressure Contact the nearest Noritz agent. Abnormal combustion Contact the nearest Noritz agent. Contact our sales agent if: • Any other error code appears.
  • Page 25: Follow-Up Service

    For repairs after the warranty period, there will be a charge on any service, and service will only be performed if the unit is deemed repairable. Period of Time for Stocking Repair Parts Noritz will stock repair and maintenance parts for this unit for a minimum of seven years after production has ceased. Reinstallation If you want to reinstall the appliance at a different location, confirm that the gas and power supply indicated on the rating plate are available at the new location.
  • Page 26: Specifications

    • Specifications may be changed without prior notice. Specifications • The capacity may differ slightly, depending on the water pressure, water supply, piping conditions, and water temperature. Specifications Item Specification Model Name N-132M-ASME Type Indoor/ Outdoor, Wall Hanging Installation Air Supply/Exhaust Power Vented Ignition Direct Ignition...
  • Page 27: External Outfitting

    External outfitting N-132M-ASME...
  • Page 28 External outfitting N-132M-ASME Part Nos. Part Names Order Nos. Q'ty/unit N-132M-ASME Front SET-AS SKB7097 Lamp seal plate DECK008 Plug insulation sheet CRUK002 Caution label 1 EHUK018 Caution label 2 EAUK004 Raintight seal plate BUB BUBK004 Grommet CXPA026 Wiring coupling BXK...
  • Page 29: Combustion Unit And Gas Route

    Combustion unit and gas route N-132M-ASME...
  • Page 30 Combustion unit and gas route N-132M-ASME Part Nos. Part Names Order Nos. Q'ty/unit Combustion tube set DUV SET-V SBC7549 Window glass holding plate AAA AAAC027 Plug fixing plate (for N) DLKC009 Burner sensor DLK SET-V SBA7505 Ignition plug & packing DLK SET-V...
  • Page 31: Hot-Water Feed Route

    Hot-water feed route 1 N-132M-ASME Thermal Fuse Connection procedure (Left side view) (Case rear) (Right side view) (Front view) 403 401...
  • Page 32 Hot-water feed route 2 N-132M-ASME 448 513...
  • Page 33 Hot-water feed route 1/Hot-water feed route 2 N-132M-ASME Part Nos. Part Names Order Nos. Q'ty/unit Heat exchanger set ELR SET-AS SKB7098 Thermal fuse fastener DMAH002 Heat insulator DMB DMBL004 Thermal fuse DFE 1 SET-V SBA7650 Thermal fuse DMA SET-V SBA7536...
  • Page 34 Hot-water feed route 1/Hot-water feed route 2 N-132M-ASME Part Nos. Part Names Order Nos. Q'ty/unit Mixing mechanism set EHA EHAD008 Hot-water thermistor-300 BWC BWCD096 O-ring JASO 2026 type4 C SAA6483 Heat exchanger thermister-300 BWC BWCD098 Mixing cylinder DMAD016 O-ring P18C...
  • Page 35: Electronic Control Unit

    Electronic control unit N-132M-ASME Remote controller kitchen remote controller (RC-7646M-2-USA) Attached set <Special part> Special part Special part no. Installation manual...
  • Page 36: Electronic Control Unit, Remote Controller And Attached Set

    Electronic control unit, Remote controller and Attached set N-132M-ASME Part Nos. Part Names Order Nos. Q'ty/unit Relay case EJH SET-AS SHA7586 Power circuit board 2 DUVG102 Relay case cover DMAA028 Harness EJHJ001 Lamp cable conduit CRPJ014 Relay case waterproof cover...
  • Page 37: Installation Manual

    Installation Manual NORITZ AMERICA CORPORATION GAS WATER HEATER N-132M-ASME (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.
  • Page 38: Included Accessories

    The following accessories are included with the unit. Included Accessories Check for any missing items before starting installation. Part Shape Part Shape Q’ty Q’ty Installation Manual Tapping Screw (this document) Remote Controller Remote Controller (See p. 54) Cord (10 ft) Heat Exchanger Inspection report The accessories listed below are not...
  • Page 39: Quick Connect Multi System Installation

    Quick Connect Multi System Installation • The Quick Connect Multi System allows the installation of two units together utilizing only a single cord, eliminating the necessity of a System Controller in such installations. * If a two unit Multi System will be used with a circulating loop, do not use the Quick Connect method. For proper operation, install a System Controller in this case.
  • Page 40: Before Installation

    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 380,000 Btuh for this unit. Check the Power • The power supply required is 120V AC, at 60Hz.
  • Page 41 • 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.
  • Page 42: Installation Clearances

    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. Item Check Illustration • Maintain the following clearance from both combustible and non-combustible materials.
  • Page 43 Clearance Requirements from Vent Terminations to Building Openings * All clearance requirements are in accordance with ANSI Z21.10.3 and the National Fuel Gas Code, ANSI Z223.1. Vent Terminal Area Where Terminal is Not Permitted Air Supply Inlet Indoor Installation Outdoor Installation Clearance (See p.44) (See p.44)
  • Page 44 3' above any forced air inlet within 10'. (Noritz vent cap) * For Installations in Canada, clearances are as follows: To windows, doors, & gravity air inlets: 36". To forced air inlets: 6'. These clearance requirements hold true for all of the above situations: Indoor,...
  • Page 45: Installation

    Installation Securing to the wall • The weight of the device will be applied to the wall. If the strength of the wall is not suffi- cient, 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 46: Vent Pipe Installation

    • Consult the vent pipe manufacturer's install- Manufacturer and Enclosed Unenclosed ation instructions for chimney connections. Product Hor. Vert. Hor. Vert. Appliance Adapters 10" (sides) Noritz N-Vent 6" 3" 3" 15"(top) • Use the following adapters to connect the 6"(bottom) Noncombustible Protech FasNSeal 3"...
  • Page 47 Vertical Vent Termination Rain • Terminate at least 6' from the combustion air intake of any appliance, and 3' from any Roof other building opening, gas Flashing utility meter, service regulator etc. • Enclose exterior vent systems below the roof line to limit condensation and protect Firestop/ against mechanical failure.
  • Page 48 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. 14" • Make each opening 380 square inches if they provide indoor air, and 100 square inches for 28"...
  • Page 49: Gas Piping

    Instructions Sample Gas Line Sample Gas Line 1. Size each outlet branch starting from the furthest Noritz N-132M-ASME using the Btuh required and the length from the Barbecue (380,000 Btuh) (50,000 Btuh) meter.
  • Page 50 Gas Line Sizing for a Noritz N-132M-ASME Adapted from UPC 1997 Maximum Natur Natural Gas al Gas Delivery Capacity in Cubic Feet per Hour (0.60 Specific Gravity, 0.5" WC Pressure Drop) Length in Feet Pipe 100' 125' Size 1/2" 3/4"...
  • Page 51: Water Piping

    Water Piping Ask a qualified plumber to perform the installation of the plumbing. Observe all applicable codes. This appliance is 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.
  • Page 52: Plumbing Applications

    Applications: Temp. & Expansion Press. Gauge Please contact Tank (Optional) Noritz for (Install According compatibility. to Local Codes) Drain Shutoff Hot Water * Size the pump to provide at least 2 GPM through the system at 10 Ft of Head plus...
  • Page 53: Electrical Wiring

    Consult qualified electrician Electrical Wiring 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.
  • Page 54 Install the remote controller according to the instructions in the Installation Guide (p. 64). • The N-132M-ASME can be programmed so that it will default to one of four temperatures if the remote controller is removed (180, 140, 130, 120°F). To change the default temperature, the remote controller must be initially installed, and removed after programming.
  • Page 55 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. •...
  • Page 56 * This feature is not available when using Pump Wiring the Quick Connect Multi System feature. Connecting the pump control wire 1. Leave enough slack so that the pump control PUMP Pump Control wires will stay connected if the unit is removed Wire Tag from the wall.
  • Page 57: Maintenance

    Periodically check the following to ensure proper Maintenance 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. •...
  • Page 58: Dimensions And Wiring Diagram

    2. Turn off electric power. 3. Turn the gas control manual valve clockwise to the off position. Should overheating occur, or the gas supply fail to shut off, turn off the manual control valve to the appliance. Dimensions N-132M-ASME (VIEW FROM TOP) 16.9" 12.2"...
  • Page 59 WIRING DIAGRAM (MODEL : N-132M-ASME) HEAT EXCHANGER (VCC) THERMAL FUSE (VCC) FLOW CONTROL (Fully open) THERMAL FUSE (GND) VALVE Other Unit in Quick Connect Multi System MAIN CIRCUIT BURNER THRMISTOR BOARD <CN59> BYPASS FLOW <CN75> (VCC) (VCC) Manifold Gas Pressure...
  • Page 60: Multi-System

    For Quick Connect Multi System Installation Connecting Quick Connect Cord use a Quick Connect Cord (Sold Separately). Caution The wire coloring on the Quick Connect Cord will 1.Red 1.Red 1.White 1.Red 2.Black 2.Black 2.Green 2.Black 3.White 3.White 3.Red 3.White not be the same as the wire coloring from the 4.Green 4.Green 4.Black...
  • Page 61 B-1. Example of Recirculation with a Multi-System This system will make hot water more quickly available to remote fixtures. The pump will circulate water through the loop until the entire loop is warm, and then the system controller will turn off the pump until the loop cools down.
  • Page 62 B-2. Example of Installation with a Storage Tank and Recirculation System The pump will push water through the Multi-System to heat up the tank. When the return temperature is high, the flow within the device will be limited to 2.5 GPM*. (For the 84M, the flow will be limited to 1.25 GPM.)
  • Page 63 Multi-System Wiring (Use SC-201-6M) Unit 1 Disconnect this Connector System Controller No.6 * Connect these to the No.5 remote control terminal No.4 block in each unit Disconnect for system connector No.3 No.2 90 90 B5 B5 Power DPSW 12345678 Remote control terminal block System select connectors Remote Controller Cord...
  • Page 64: Remote Controller Installation Guide

    For Installers: Read this installation guide Remote Controller RC-7646M-2 carefully before carrying out installation. Installation Guide NORITZ AMERICA CORPORATION Note Do not connect power to the water heater before the remote controller has been properly installed. Included Parts List Connecting Wire...
  • Page 65 Installation 3. Remove the cover of the remote control, 1. Apply Wall Packing to the rear side of the mark the location of the screw holes, and remote controller. drill holes for the wall anchors. 2. Connect the remote controller wires to the 4.
  • Page 66 Installing the Remote Controller Outdoor Junction Box 5. Slide the box nut over the remote controller 1. Insert the remote controller wires through the wires and screw it onto the wall pipe. wall pipe and secure the wall pipe to the remote controller.

This manual is also suitable for:

N-132m-asme-lpN-132m-asme-ng

Table of Contents