Noritz NRC83-DV Field Manual
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Noritz NRC83-DV Field Manual

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NRC83 (-DV, -OD)
NRC98 (-DV, -OD)
NRC1111/NCC1991(-DV,-OD)
NR981/NC199(-DVC,-OD,-SV)
NR83-DVC
Field Manual
• R e f e r t o t h i s m a n u a l w h e n e v e r p e r f o r m i n g s e r v i c e o r
maintenance on this appliance.
• This manual will be used for service technician training seminars.
• The specifications and descriptions in this manual may be
changed without prior notice.
• For further assistance, contact Noritz Technical Support at
1-866-766-7489.
Do not short circuit any safety device on
this appliance
Important Safety Information .................................................................................................... 2
1. Features .............................................................................................................................. 3
2. Specifications/Performance Table ....................................................................................... 4
3. Dimensions ......................................................................................................................... 7
4. Components ....................................................................................................................... 9
5. Troubleshooting .................................................................................................................. 26
• Error Codes and Checkpoints ......................................................................................... 26
• Remote Controller ........................................................................................................... 27
• Displaying Maintenance Monitors ................................................................................... 27
• Maintenance Monitor List ................................................................................................ 29
• Gas Line Requirements ................................................................................................... 26
• Water Treatment ............................................................................................................. 32
• Periodic lnspection ......................................................................................................... 33
• Periodic Maintenance ..................................................................................................... 34
• Changing Default Temperature Setting ........................................................................... 36
6.
Installation Check .............................................................................................................. 40
NORITZ America Corporation
Gas Water Heater
Contents
1
Rev: October, 2012
KS-11-0004

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Summary of Contents for Noritz NRC83-DV

  • Page 1: Table Of Contents

    • This manual will be used for service technician training seminars. • The specifications and descriptions in this manual may be changed without prior notice. • For further assistance, contact Noritz Technical Support at 1-866-766-7489. Do not short circuit any safety device on...

  • Page 2: Important Safety Information

    Caution lifting belt whenever necessary. • Use only the appropriate tools and parts: Only use replacement parts manufactured by Noritz for this model as listed in the Warning Installation Manual Parts List for service on this unit. Use appropriate tools.

  • Page 3: Features

    1. Features 1. Quick Connect Multi System • Allows the simple installation of up to 2 units linked together using a Quick Connect Cord CCP Valve Not required System controller 2. Maximum Remote Controller Length (Only one remote controller can be connected.) •...

  • Page 4: Specifications/Performance Table

    Device (ZNR), Overheat Prevention Device, Freezing Prevention Device, Fan Rotation Detector Accessories Remote Controller, Remote Controller Cord, Anchoring Screws NRC83(-DV/-OD) Item Specification Model Name NRC83-DV NRC83-OD Type Installation Indoor Wall Mounted Outdoor Wall Mounted Air Supply/Exhaust Power Vented Ignition Direct Ignition...
  • Page 5 NRC1111(-DV,-OD) / NCC1991(-DV,-OD) Item Model Name NRC1111-DV NRC1111-OD NCC1991-OD NCC1991-DV Type Installation Indoor/Outdoor, Indoor/Outdoor, Wall Mounted Wall Mounted Air Supply/Exhaust Power Vented Ignition Direct Ignition Operating Pressure 15-150 psi Minimum Flow Rate 0.5 GPM 24.4"(Height) x 18.3"(Width) x 9.4"(Depth) Dimensions Weight 68 lbs.
  • Page 6 NR83-DVC Item Specification Model Name NR83-DVC Installation Indoor Wall Mounted Type Air Supply/Exhaust Power Vented Ignition Direct Ignition Operating Pressure 15-150 psi Minimum Flow Rate 0.5 GPM (2 L/min.) Dimensions (Height) x (Width) x (Depth) 23.6" (600mm) x 13.8" (350mm) x 9.4" (240mm) 49 lbs.
  • Page 7 37-48°C (In 1°C intervals), 50,55,60°C (In 5°C intervals) (15 Options) Default Temperature Options 120°F (50°C), 130°F (55°C), 140°F (60°C) (Original is 120°F (50°C)) Item NRC83-DV NRC83-OD NG : 157,000 btuh LP : 157,000 btuh Maximum Performance Consumption NG : 16,000 btuh...
  • Page 8 Hot Water Supply Capabillities < NRC98 Series > [Winter] Inlet water temp. 46 F [Spring/Fall] Inlet water temp. 64 F [Summer] Inlet water temp. 82 F Flow Rate (GPM) Flow Rate (GPM) Flow Rate (GPM) < NRC83 Series > [Winter] Inlet water temp. 46 F [Spring/Fall] Inlet water temp.
  • Page 9 Hot Water Supply Capabillities <NR981-OD, NR981-DVC, NR981-SV> [Winter] Inlet water temp. 46 F [Spring / Fall] Inlet water temp. 64 F [Summer] Inlet water temp. 82 F Flow Rate (GPM) Flow Rate (GPM) <NR83-DVC> [Winter] Inlet water temp. 46 F [Spring/Fall] Inlet water temp.
  • Page 10 < NR83-DVC> 10.0 Flow Rate (GPM)

  • Page 11: Dimensions

    3. Dimensions NRC98-DV NRC83-DV < inch (mm)> 17.7" (450mm) 4-Ø0.5" (13mm) 6- 0.24" x 0.4" (6mm x 10mm) OBLONG HOLE HEIGHT OF EACH FITTING FROM BOTTOM OF CASE 6.7" (170mm) 18.3" (464mm) CONDENSATE DRAIN 0.9" (24mm) 5.5" (140mm) 17.6" (448mm) 9.4"...
  • Page 12 NCC1991-DV < inch (mm) > 17.7" (450mm) 4 - Ø0.5" (Ø13mm) HEIGHT OF EACH FITTING FROM BOTTOM OF CASE 6 - 0.24" x 0.4" (6 x 10mm) OBLONG HOLE NCC1991-DV 18.4" (468mm) CONDENSATE DRAIN 0.8" (20mm) 6.7" (170mm) 17.6" (448mm) 5.5"...
  • Page 13 NRC1111-DV < inch (mm) > 17.7" (450mm) 4 - Ø0.5" (Ø13mm) 6 - 0.24" x 0.4" (6 x 10mm) OBLONG HOLE HEIGHT OF EACH FITTING FROM BOTTOM OF CASE 18.3" (464mm) 6.7" (170mm) NRC1111-DV 17.6" (448mm) 5.5" (140mm) 5.9" (150mm) 9.1" (232mm) 0.4"...
  • Page 14 336[13.2"] NR981-DVC HEIGHT OF EACH FITTINGS FROM BOTTOM OF CASE NC1991-DVC NR981-DVC/NC1991-DVC HOT WATER OUTLET 1.8"[45mm] 10～45[0.4"～1.8"] 280[11.0"] COLD WATER INLET 2.2"[55mm] 120[4.8"] ™ > ™ @ 2 % / 2 1 * + 2 / ( 350[13.8"] 2.2"[56mm] GAS INLET 140[5.5"] 334[13.1"] 100[3.9"]...
  • Page 15 336[13.2"] HEIGHT OF EACH FITTINGS NR981-SV FROM BOTTOM OF CASE NR981-SV HOT WATER OUTLET 1.8"[45mm] COLD WATER INLET 2.2"[55mm] 4- 13[ 0.5"] 2.2"[56mm] GAS INLET 2-6.5×13[0.3×0.5"]OBLONG HOLE 350[13.8"] 10[0.4"] 240[9.4"] 120[4.7"] 334[13.1"] 95[3.7"] (VIEW FROM TOP) 85[3.3"] 100[φ4"] FLUE COLLAR 241[9.5"] 50[2.0"] 28[1.1"]...

  • Page 16: Components

    4. Components NRC98-DV NRC83-DV AIR INLET FLUE COLLAR Secondary Heat Exchanger Freeze Prevention Freeze Prevention Heater 2 Heater 2 Igniter Freeze Prevention Heater 3 Heat Exchanger High Limit Switch Thermistor Freeze Prevention Heater Q Primary Heat Exchanger Thermal fuse Burner...
  • Page 17 NRC98-OD NRC83-OD FLUE COLLAR Secondary Heat Exchanger Freeze Prevention Freeze Prevention Heater 2 Heater 2 Igniter Heat Exchanger High Limit Switch Thermistor Freeze Prevention Heater Q Primary Heat Exchanger Thermal fuse Burner Drain cover Manifold Condensate Trap Fan Motor Main Flow Control Valve Lightning arrester Water Flow Sensor Power supply cord...
  • Page 18 NRC1111-DV NCC1991-DV...
  • Page 19 NRC1111-OD NCC1991-OD...
  • Page 20 NR981-DVC NC1991-DVC Flue Collar Air Inlet Igniter Freeze Prevention Heater Primary Heat Exchanger High Limit Switch Heat Exchanger Thermistor Freeze Prevention Heater Ignition Plug Thermal Fuse Flame Rod Burner Manifold Circuit Board Fan Motor Bypass Flow Control Valve Freeze Prevention Heater Lightning Arrester Freeze Prevention Heater Water Inlet Thermistor...
  • Page 21 NR981-OD NC1991-OD Igniter Freeze Prevention Heater Exhaust Flue High Limit Switch Heat Exchanger Thermistor Primary Heat Exchanger Ignition Plug Thermal Fuse Flame Rod Burner Manifold Fan Motor Circuit Board Bypass Flow Control Valve Freeze Prevention Heater Lightning Arrester Freeze Prevention Heater Water Inlet Thermistor Main Flow Control Valve Water Flow Sensor...
  • Page 22 NR981-SV Exhaust Flue Igniter Freeze Prevention Heater Primary Heat Exchanger Heat Exchanger Thermistor High Limit Switch Freeze Prevention Heater Ignition Plug Thermal Fuse Flame Rod Burner Manifold Circuit Board Fan Motor Freeze Prevention Heater Bypass Flow Control Valve Lightning Arrester Freeze Prevention Heater Water Inlet Thermistor Main Flow Control Valve...
  • Page 23 NR83-DVC Flue Collar Air Inlet Igniter Freeze Prevention Heater High Limit Switch Heat Exchanger Heat Exchanger Thermistor Manifold Fan Motor Freeze Prevention Heater Lightning arrester Freeze Prevention Main Flow Control Valve Heater 2 Water Flow Sensor Power supply cord Water Inlet Freeze Prevention Heater Water Drain Valve Hot Water Outlet...
  • Page 24 Remote controller (RC-7651M) Burner On Indicator Setting Buttons When burning, the For setting the hot indicator is lit. water temperature, the flow meter alarm, and other settings. Priority Indicator When this indicator is lit, the hot water temperature can be set. Power On/Off Button Temperature Setting For turning the...
  • Page 25 Remote Controller (RC-9018M) Screen Display * The screen display shown below is for illustration purposes only. The actual display will vary depending on how the water heater is being used. * After a button is pressed, the display will gradually become darker to prevent unnecessary power consumption by the remote controller.

  • Page 26: Troubleshooting

    Check that the fan is rotating Check for proper pump operation Recirculation Pump Error Check recirculation hot water supply pipe Main Water Control Valve Call Noritz Technical Supprt (866-766-7489) Bypass Water Control Valve Call Noritz Technical Supprt (866-766-7489) Circuit board Abnormality Circuit board failure...

  • Page 27: Remote Controller

    <NRC98(-DV,-OD), NRC83(-DV,-OD), NRC1111(-DV,-OD), NR981(-DVC,-OD,-SV), NR83-DVC> Remote Controller RC-7651M Setting Button Power On/Off Button Display Flow Meter Alarm Set buttton Adjusting the Temperature Display Note: The setting must be done within the first 10 minutes of connecting electrical power to the water heater. 1.
  • Page 28 <NCC1991(-DV,-OD), NC1991(-DVC,-OD)> Remote Controller RC-9018M Power ON/OFF Button Display Menu Button Enter Button UP/Down Buttons Adjusting the Temperature Display Note: The setting must be done within the first 10 minutes of connecting electrical power to the water heater. 1. Turn the water heater off by pressing the Power On/Off Button on the remote controller. 2.

  • Page 29: Maintenance Monitor List

    Maintenance Monitor List (Using Remote Controller RC-7651M or RC-9018M) Data Minimum Data (Display Reading x Multiplier) Value for Item Remarks Multiplier Unit Indication T otal Plug-in Time X 100 hour 100 hours Disp. Range [000] – [1310] Total Combustion Time hour 1 hour Disp.

  • Page 30: Gas Line Requirements

    1/8" NPT screw with an allen wrench and connecting the appropriate pressure gauge. Sample Gas Line Noritz Condensing Tankless Gas Water Heater Instructions (NCC1991-DV,-OD/NRC1111-DV,-OD 199,900 Btuh) (NC1991-DVC,-OD/NR981-DVC,-OD,-SV 199,900 Btuh) 1. Size each outlet branch starting from the furthest...
  • Page 31 Gas Line Sizing for a Noritz Condensing Tankless Gas Water Heater Adapted from UPC 1997 Maximum Natural Gas Delivery Capacity in Cubic Feet per Hour (0.60 Specific Gravity, 0.5" WC Pressure Drop) Length in Feet Pipe 10' (3m) 20' (6m) 30' (9m) 40' (12m) 50' (15m) 60' (18m) 70' (21m) 80' (24m) 90' (27m) 100' (30m) 125' (37.5m) Size 1/2"...

  • Page 32: Water Treatment

    <NRC98(-DV,-OD), NRC83(-DV,-OD), NR83-DVC> Water Treatment This water heater is equipped with an optional automatic service reminder function to alert the user when flushing or a cartridge/filter change is required. Once activated, the unit will display an "05" error code on the remote controller when maintenance is due. The service interval can be set for either 6, 12, or 24 months;...

  • Page 33: Periodic Lnspection

    Periodic Inspection CAUTION To prevent burns or scalding, turn off the power button and wait until the equipment cools before performing maintenance. Be sure to do. Air supply vent [When supplying combustion air from the indoors] For smear or blockage Check For dust and soot in Check...
  • Page 34 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.
  • Page 35 Periodic Maintenance If the unit becomes saturated with lime or scale build-up, the hot water may not run smoothly, or the unit may put out cold water. In addition, damage can occur resulting in failure of the unit if lime or scale deposits are left untreated within the unit.

  • Page 36: Changing Default Temperature Setting

    Changing Default Temperature Setting * The water heater has been factory set to allow a maximum temperature setting of 120 °F (50 °C). To access higher temperature settings through the remote controller, follow the below steps. <When setting the maximum temperature to 130-140 °F (55-60 °C)> 1.
  • Page 37 -30°F (-35°C) for NRC98-DV, NRC83-DV or -4°F (-20°C) for NRC98-OD, NRC83-OD. - For models NRC98-DV and NRC83-DV, when supplying combustion air from the indoors, the room temperature must be greater than 32°F (0°C) to prevent freezing and the room inside must not have negative pressure.
  • Page 38 <NRC98(-DV,-OD), NRC83(-DV,-OD), NRC1111(-DV,-OD), NR981(-DVC,-OD,-SV)> 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 39 <NCC1991(-DV,-OD, NC1991(-DVC,-OD> 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 40: Installation Check

    6. Installation Check Installation problems can cause the unit to work unsatisfactorily. If the unit is not working properly, but there are no error codes or evidence of malfunction, check the installation. * Installation Checks: Altitude 1. If this water heater is installed in a location where the altitude is greater than 2000 ft., the combustion may become abnormal because of the thinness of the air.
  • Page 41 * Installation Cautions Gas Supply Piping Because a large quantity of gas is used with these appliances, make sure to size the gas meter and supply piping to match the maximum Btu rating of the heater. Air Supply and Vent Pipe Before installation, note the following: Vent pipe diameters and maximum vent length: Vent Pipe Diameter...
  • Page 42 Electrical • The electrical power supply to the unit should be installed bu\y a qualified electrician. • Allocate 4A on the circuit for this water heater. If more than one unit is being installed, allocate an appropriate circuit to provide power for each unit. Condensate Piping •...
  • Page 43 Condensate piping to floor drain Condensate piping with pump NORITZ NORITZ Condensing Condensing Tankless Gas Tankless Gas Water Heater Water Heater DO NOT ADD DO NOT ADD ANY VALVES ANY VALVES 1/2" PVC pipe 1/2" PVC pipe Slope pipe downwards 3/8"...

This manual is also suitable for:

Nrc83-odNrc98-dvNrc98-odNrc1111/ncc1991-dvNrc1111/ncc1991-odNr981/nc199-dvc ... Show all

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