Rinnai RU199i Installation And Operation Manual
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Rinnai RU199i Installation And Operation Manual

Tankless water heater (residential)
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INTERNAL (INDOOR) MODELS:
RU199i (REU-N3237FF-US)
RU180i (REU-N2934FF-US)
RU160i (REU-N2530FF-US)
RU130i (REU-N2024FF-US)
Tankless Water Heater (Residential)
Installation and Operation Manual
Place
Model/Serial #
Label Here
Located in Manual Bag
EXTERNAL (OUTDOOR) MODELS:
RU199e (REU-N3237W-US)
RU180e (REU-N2934W-US)
RU160e (REU-N2530W-US)
RU130e (REU-N2024W-US)
ANSI Z21.10.3 ● CSA 4.3
U334-0771X02(00)
06000012336368

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Summary of Contents for Rinnai RU199i

  • Page 1 INTERNAL (INDOOR) MODELS: EXTERNAL (OUTDOOR) MODELS: RU199i (REU-N3237FF-US) RU199e (REU-N3237W-US) RU180i (REU-N2934FF-US) RU180e (REU-N2934W-US) RU160i (REU-N2530FF-US) RU160e (REU-N2530W-US) RU130i (REU-N2024FF-US) RU130e (REU-N2024W-US) ANSI Z21.10.3 ● CSA 4.3 Tankless Water Heater (Residential) Installation and Operation Manual Place Model/Serial # Label Here...
  • Page 2 – Si vous ne pouvez rejoindre le fournisseur, appelez le service des incendies. • L’installation et l’entretien doivent être assurés par un installateur ou un service d’entretien quali- fié ou par le fournisseur de gaz. Full-length French and Spanish versions available online at rinnai.us Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 3: Table Of Contents

    4.12 Configure Parameter Settings ..................... 61 4.13 External Pump with Circ-Logic ..................... 63 4.14 Post-Water Heater Installation Checklist ................64 Operation ............................66 Safety Precautions ........................66 Operating Instructions ......................68 Control Panel ........................69 Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 4 Massachusetts State Gas Regulations ................. 82 Wiring Diagram ........................84 Ladder Diagram ........................85 Pressure Drop and Water Flow Curves ................86 Guidelines for Additional Temperature Controllers ............... 87 Warranty ............................88 Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 5: Welcome

    • When installation is complete, leave this manual with the water heater (for internal/ Polypropylene indoor units) or give the manual directly to the consumer. Pressure Relief Valve Pounds per square inch W.C. Inches water column Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 6: Safety

    • Les panneaux d’avertissement de ce man- uel sont ici pour éviter de vous blesser et d’autres personnes. Suivez- les explicite- ment. Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 7: Safety Symbols

    – Turn off the incoming water supply. This can be done at the isolation valve immediately below the water heater or by turning off the water supply to the building. Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 8 Flammable liquids should not be used or stored in the vicinity of this or any other gas appliance. Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 9: About The Water Heater

    Topics in this section • Front View • Bottom View • Components • Specifications • Dimensions • Accessories 3. 1 Front View Indoor Outdoor Vent Connections Exhaust Duct Controller Piping Connections Figure 1: Front view Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 10: Bottom View

    3.2 Bottom View Pressure Relief Valve Cold Water Gas Inlet Hot Water Inlet Outlet Figure 2: Bottom view Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 11: Components

    Flue Gas Exhaust Air Intake Air Inlet Filter Fan with Integrated Venturi Burner Assembly Gas Valve Ignition Unit Heat Exchanger Silencer PC Board Cover Control Panel Water Flow Servo Valve Figure 3: Components Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 12: Specifications

    Minimum flow may vary slightly depending on the temperature setting and the inlet water temperature. Minimum activation flow is 0.4 GPM (1.5 L/min). The maximum gas supply pressure must not exceed the value specified by the manufacturer. Rinnai products are continually being updated and improved; therefore, specifications are subject to change without prior notice. Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 13: Dimensions

    Vent Connection: 2 in. (51 mm) nominal PVC/Polypropylene or 3 in./5 in. Concentric. Figure 4: Indoor Dimensions Outdoor Models (RU199e, RU180e, RU160e, and RU130e) Front View Side View Figure 5: Outdoor Dimensions Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 14 Figure 6: Supply Connections Table 3: Supply Connections Connection Connection Size 3/4 in. NPT Cold Inlet 3/4 in. NPT Hot Outlet 3/4 in. NPT Condensate Drain 1/2 in. NPT Pressure Relief Valve M33 Thread Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 15: Accessories

    3.6 Accessories Numerous optional accessories are available for purchase for your Rinnai Tankless Water Heater. Listed below are some commonly purchased accessories. For a complete list of accessories, visit www.rinnai.us. For questions, or to purchase an accessory, contact your local Rinnai dealer/distributor or Rinnai Customer Care at 1-800-621-9419.
  • Page 16 DPS/MIS Switch Part #: REU-OPU3 The Maintenance Indication Switch (MIS) function provides tankless water heater monitoring via systems such as Building Management System (BMS). Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 17: Install The Water Heater

    These fumes can damage com- not suitable for space heating applications ponents and reduce the life of your appli- only. ance. Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 18: What You Will Need

    • PVC glue/cement and primer nance) • 2 conductor 22 AWG wire for controller • Literature Bag – Tankless Water Heater Installation and Operation Manual (this manual) Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 19: Choose An Installation Location

    Scale build-up is caused by hard water and can be accelerated if the water heater is set at a high temperature. Rinnai offers Southeastern Filtration’s “ScaleCutter Water Conditioning System” that offers superior lime scale prevention and corrosion control.
  • Page 20 Chemi- cals that are corrosive in nature should not be stored or used near the water heater or vent termination. This requirement applies to internal (indoor) and external (outdoor) water heaters. Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 21 Supply Line Supply 1/2 in. Normally Open Solenoid Valve Line 1/2 in. Normally Open Solenoid Valve Route Drain Per Local Code Route Drain Per Local Code Figure 7: Freeze Protection Piping Diagram Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 22 Back 0 in. Sides (Left and Right) 2 in. (51 mm) Add 0.25 in. (6.35 mm) for recess box Vent 0 in. (Internal/Indoor Models) Front Exhaust 24 in. (610 mm) (External/Outdoor Models) Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 23 The installation must conform with local codes or, in the absence of local codes, with the □ National Fuel Gas Code, ANSI Z221.3/NFPA 54 Natural Gas and Propane , or the Installation Code, CSA B149.1 Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 24: Mount The Water Heater To The Wall

    Use the appropriate screws for the wall construction to secure the mounting bracket to the wall between two studs. Figure 11: Mount top bracket Figure 10: Secure the bracket Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 25 The water heater must be installed in an Figure 12: Mount bottom bracket upright position. Do not install the water heater upside down or on its side. Figure 13: Mount water heater Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 26: Vent The Water Heater

    • Support horizontal vent runs every 4 ft (1.2 m) and all vertical vent runs every 6 • Rinnai water heaters can only be com- ft (1.83 m) or as per vent manufacturer’s mon vented with Schedule 40 PVC/CPVC instructions or local code requirements.
  • Page 27 Figure 14: Vent screen • Do not install the vent termination too close under the soffit where it could pres- ent recirculation of exhaust gases back into the combustion air part of the termina- tion. Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 28 Figure 20: Common Vent, Room Air Figure 19: Common Vent, Direct Vent Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 29 FGV Concentric Vent Kit (16 in. length) 1906005PVC (Order from Rinnai) 196105, 197033 FGV Concentric Vent Kit (16 in. length) 196105PVC (Order from Rinnai) 196125 FGV Concentric Vent Kit (40 in. length) 196125PVC (Order from Rinnai) Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 30 2 in. x 4 in. Horizontal Termination 2PPS-HKL Kit-Concentric 190288 2 in. x 4 in. Concentric Horizontal Termination 190295 2 in. x 4 in. Concentric Vertical Termination 2 in. x 4 in. Concentric Horizontal CVENT-2 Termination Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 31 PVC/CPVC Concentric Vent Kit 3 in. x 32 in. 52CVKGVSF9003-32(CPVC) 52CVKGVS6503-44(PVC)/ PVC/CPVC Concentric Vent Kit 3 in. x 44 in. 52CVKGVSF9003-44(CPVC) Horizontal Termination Adapter SC03HT Vertical Termination Adapter SC03VT 3 in./5 in. Concentric Roof Termination PPs-UV ICRT3539 Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 32 3 in. x 5 in. Horizontal Termination Kit- 3PPS-HKL Concentric 3 in. x 5 in. Concentric 190388 Horizontal Termination 190395 3 in. x 5 in. Concentric Vertical Termination 3 in. x 5 in. Concentric CVENT-3 Horizontal Termination Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 33 FGV PVC Low Profile Termination Kit 196984PVC (Order from Rinnai) 081216 FGV PVC Wall Termination Kit 52SWVKGVS6502 PVC Side Wall Vent Kits 52WTVKGVS6502 PVC Wall Vent Kits HVENT-2 2 in. Low Profile Horizontal Vent Kit Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 34 FGV PVC Low Profile Termination Kit 196985PVC (Order from Rinnai) 081219 FGV PVC Wall Termination Kit 52SWVKGVS6503 PVC Side Wall Vent Kits 52WTVKGVS6503 PVC Wall Vent Kits HVENT-3 3 in. Low Profile Horizontal Vent Kit Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 35 Table 11: Approved Venting Materials by Manufacturer Manufacturer Vent Material Ubbink PVC (Outer Vent), Polypropylene (Inner Vent) Centrotherm Polypropylene Heat-Fab Metal Metal Fab Metal IPEX PVC/CPVC DuraVent Polypropylene Royal ECCO Manufacturing Polypropylene DiversiTech PVC/CPVC Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 36 [2] Permitted only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor. [3] If locally adopted installation codes specify clearances different than those illustrated, then the most stringent clearance shall prevail. Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 37 12 in. (0.30 m) Figure 22: Concentric Pipe Termination Clearances Figure 25: Between terminals at same level All terminations (horizontal and/or vertical) must terminate 12 in. (0.30 m) above grade or anticipated snow level. Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 38 1/4 in. per foot toward the appliance • 90° elbow is equivalent to 6 ft (2 m) according to the vent manufacturer’s installation instructions. Dispose of condensate per local codes. Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 39 Termination of Multiple Water Heaters Intake Intake 12 in. 12 in. 12 in. Minimum clearance for Ground/Grade/Snow Level Indicates area in which intake cannot be installed. Figure 33: Horizontal Vent and Combustion Air Piping Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 40 Secure the exhaust vent pipe to the exhaust adapter ring with the supplied screw. Exhaust Vent Pipe Supplied screw Figure 34 2. Remove and discard the combustion air vent cap. Figure 37 Figure 35 Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 41 2 in. (51 mm) 3 in. (76 mm) Vent Lengths 65 ft (20 m) 150 ft (46 m) • 45° elbow is equivalent to 3 ft (1 m) • 90° elbow is equivalent to 6 ft (2 m) Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 42 [3] If locally adopted installation codes specify clearances different than those illustrated, then the most stringent clearance shall prevail. Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 43 60 in. (1.52 m) vertically between terminals Corner Figure 39 Exhaust Termination Clearances for Internal (Indoor) Room Air Applications 12 in. 12 in. (0.30 m) 60 in. (1.52 m) vertically between terminals Corner Figure 40 Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 44 NOTE If ducts are used, the cross sectional area of the duct must be greater than or equal to the required free area of the openings to which they are connected. Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 45 Verify that adequate combustion air is available for all appliances installed in the space. □ Installation complies with National Fuel Gas Code, ANSI Z223.1/NFPA 54 as well as local and state regulations therein. Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 46 Exhaust Vent Pipe 5. Install the exhaust vent pipe. Ensure it is properly seated. Supplied screw Secure the exhaust vent pipe to the exhaust adapter ring with the supplied screw (Figure 46). Figure 46 Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 47 Vent Length 65 ft (20 m) 150 ft (46 m) 50 ft. (15 m) • 45° elbow is equivalent to 3 ft (1 m) • 90° elbow is equivalent to 6 ft (2 m) Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 48 (330 mm x 254 mm) • The water heater is to be secured to the wall of the manufactured home using the integrated mount- ing brackets on the back side of the water heater. Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 49 65 ft 150 ft 150 ft RU180i (REU-N2934FF-US) 360,000 (20 m) (46 m) (46 m) RU160i (REU-N2530FF-US) 320,000 90 ft 150 ft 150 ft RU130i (REU-N2024FF-US) 260,000 (27 m) (46 m) (46 m) Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 50: Connect Water Supply

    Boiler Drain Valve accordance with all local building codes. Confer with local building essure Relief Valve officials before installation. Solenoid Valve Figure 51 Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 51: Install The Isolation Valves

    7. Ensure that both Drain Valves are in the closed position before turning on water supply. Hot Outlet Cold Inlet Swivel Nut (Integrated Gasket) Drain Valve Hot Isolation Valve Cold Isolation Valve (Red) (Blue) Figure 52: Install Isolation Valves Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 52: Install Pressure Relief Valve

    Con- tact the water supplier or local plumbing inspector on how to correct this situation. Do not plug the pressure relief valve. Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 53 Figure 53: Pressure Relief Valve Assembly IMPORTANT • Do not use pipe dope or thread sealant on union fitting with gasket. • Be careful not to lose or throw away the gasket. Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 54: Connect Condensate Drain

    • If a floor drain is not available or the drain is above the level of the condensate drain, Condensate a condensate pump should be installed. Pump Figure 55 Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 55 5. Turn off the water heater by pressing the “On/ white wires labeled “To Condensate Pump Off” button on the controller. Wait five seconds Safety Switch.” then turn the power back on. This will clear the diagnostic code. Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 56 * Safety switch wires connect to the NO and COM contacts on the safety switch. • NO - Normally Open • NC - Normally Closed • COM - Common (Neutral) Figure 58: Condensate Pump Safety Switch Installation Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 57: Connect The Gas Supply

    Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 58 Answer: 70 (21) (CFH) = 80 (24) For this example, the pipe diameter 90 (27) must be at least 3/4 in. pipe size and 10 ft (3 m) in length. 100 (30) Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 59 60 (18) Total Gas 80 (24) 264,000 Btu/hr Input 100 (30) For this example, the pipe diameter must be at least 1/2 in. nominal pipe size and 10 ft (3 m) in length. Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 60: Connect The Power Supply

    Confirm that the electricity is supplied from 120 VAC, 60 Hz power source and is in a properly grounded circuit. □ Confirm that an extension cord or an adapter plug has NOT been used with the water heater. Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 61: Configure Parameter Settings

    Example: Display will change from 01A to 01b for Maximum Temperature setting (as shown below). 6. To exit the parameters, press the “A” button for 1 second. Figure 63 Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 62 NOTE: Service Soon (55) will display • Service Soon will appear again based on the select- on the controller again when the water ed service interval. heater reaches the interval selected in the parameter settings. Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 63: External Pump With Circ-Logic

    4. 1 3 External Pump with Circ-Logic Rinnai SENSEI™ Tankless Water Heaters include Circ-Logic technology that offers the comfort and convenience of instant hot water with the use of an external recirculation pump. Circ-Logic controls the on/off sequence and operation cycles of the external recirculation pump through the programming of the tankless water heater’s parameter settings.

  • Page 64: Post-Water Heater Installation Checklist

    YES to each question. If you answer NO to any question, installation is not complete. Refer to the applicable section in the Rinnai Tankless Water Heater Installation and Operation Manual for additional information. For assistance, contact your local dealer or distributor, or call Rinnai Customer Care at 1-800-621-9419. INSTALLATION LOCATION YES NO □...
  • Page 65 Did you install a manual gas control valve in the gas line to the water heater? □ □ Is the inlet gas pressure within limits? □ □ Did you purge the gas line of any debris before connecting the water heater? Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 66: Operation

    – If you cannot reach your gas supplier, call the fire department. • Installation and service must be performed by a trained and qualified professional, service agency or the gas supplier. Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 67 Control System” that offers superior lime scale prevention and corrosion control by feeding a blend of control compounds into the water supply. Damage and repair due to corrosive compounds in the air is not covered by warranty. Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 68: Operating Instructions

    3. Turn the manual gas control valve located at gas inlet of appliance clockwise to the OFF 2. Turn off all electric power to the appliance if position. service is to be performed. Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 69: Control Panel

     (Up) and  (Down) buttons at the same time until a beep is heard (approximately 3 seconds). Then, release both buttons. To turn on the beeps, repeat the above steps. Figure 67 Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 70: Setting The Temperature

    • 20 seconds at 130°F (54°C) • 8 minutes at 120°F (49°C) Children, disabled, or elderly are at highest risk of being scalded. Feel water before bathing or showering. Figure 69 Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 71: Performance Data

    3. Use the  (Up) and  (Down) buttons to scroll to the desired information described in the Performance Data Table. Figure 71 4. To exit performance data, repeat step 2 above. 5. When complete, the set temperature appears in the display. Figure 72 Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 72 (Outdoor Units Only) Pump Hours x100 Hours Pump Cycles Exhaust Temperature °F * Refer to the Technical Data Sheet located on the inside front cover of the water heater for additional information. Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 73: Diagnostic Codes

    Sheet located on inside front cover of water heater. or damage to the heat exchanger. • Ensure it is not in forced Hi setting. Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 74 Follow the steps above for Code 38 for professional to service the appliance. troubleshooting. PC Board * See “Electrical Diagnostics” on Technical Data • Replace PC Board Sheet located on inside front cover of water heater. Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 75 To reset the SS code, push the On/Off button on the temperature controller 5 times in 5 seconds. * See “Electrical Diagnostics” on Technical Data Sheet located on inside front cover of water heater. Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 76: Maintenance

    MOTORS other flammable vapors and liquids. Motors are permanently lubricated and do not need periodic lubrication. However you must keep fan and motor free of dust and dirt by cleaning annually. Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 77 Unscrew the water filter. Rinse the filter to remove any debris. Install the filter and open the isolation valves. Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 78: Cleaning And Inspecting The Air Filter (Indoor Units Only)

    Shut off the gas to the water heater. It is generally preferable to shut off the gas service to the entire location if gas is not going to be used. Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 79 • Inspect the air filter for any debris that may restrict air flow to the water heater. • If the filter still appears dirty repeat the cleaning steps. • Replace the air filter. 6. Power ON the water heater. Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 80: Flushing The Heat Exchanger

    Damage caused by lime build-up is 13. Restore electrical power to the water heater. not covered by the water heater’s warranty. Rinnai strongly recommends installation of isolation NOTE valves to allow for flushing of the heat exchanger.

  • Page 81: Draining The Water Heater

    7. After confirming that the temperature controller is off, turn on the gas supply. 8. Turn on the temperature controller. Figure 77: Piping Diagram Running a low volume of water through the water heater to prevent freezing: Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 82: Appendices

    In addition, the installing plumber or gas fitter Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 83 COMBINATION SPACE HEATING/POTABLE WATER SYSTEM (For Use In Commonwealth of Massachusetts) Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 84: Wiring Diagram

    7.2 Wiring Diagram Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 85: Ladder Diagram

    7.3 Ladder Diagram Figure 80 Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 86: Pressure Drop And Water Flow Curves

    Water Flow (GPM) Figure 81: Pressure Drop Curve The chart below applies only to incoming water temperatures of 70°F (21°C) or less. For incoming water temperatures greater than 70°F (21°C), please contact Rinnai. NOTE: Maximum flow rates may vary based RU199 on set temperature, Delta T and altitude.

  • Page 87: Guidelines For Additional Temperature Controllers

    Connect controller cable to perature controller can be adjusted by the mating terminal at bottom public. right side of PC Board. Wiring illustration (Detailed wiring instructions included with temperature Figure 84 controller package) Rinnai Tankless Water Heater Installation and Operation Manual...

  • Page 88: Warranty

    For commercial applications, the heat exchanger warranty is 8 years or 12,000 operation hours, whichever occurs first. Notes: From date of purchase, period of coverage is reduced to 8 years or 12,000 operation hours, whichever occurs first, if the Rinnai Tankless Water Heater temperature settings exceed 160°F (71°C).
  • Page 89 Limitation on Warranties No one is authorized to make any other warranties on behalf of Rinnai America Corporation. Except as expressly provided herein, there are no other warranties, expressed or implied, including, but not limited to warranties of merchantability or fitness for a particular purpose, which extend beyond the description of the warranty herein.
  • Page 90 Notes Notes Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 91 Notes Notes Rinnai Tankless Water Heater Installation and Operation Manual...
  • Page 92 Rinnai America Corporation 103 International Drive Peachtree City, GA 30269 Tel: 1-800-621-9419 100000467(06) Web: rinnai.us 6/2020 rinnai.ca...

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