Rinnai i Series Installation And Operation Manual
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Rinnai i Series Installation And Operation Manual

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H167-0771-2X01(00)

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  • Page 1 ● H167-0771-2X01(00)

  • Page 2: Table Of Contents

    7.4 Piping Diagram for a Basic CH System (With Hydraulic Separation) ............. 53 7.5 Hydraulic Separation ............................54 7.6 Connect the Pressure Relief Valves ....................... 57 7.7 Connect the Condensate Drain Line ......................58 7.8 Condensate Pump Safety Switch Wiring ......................59 Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 3 14.6 Ladder Diagram ............................122 14.7 Pressure Drop and Flow Curve ......................... 123 14.8 Remove a Boiler from a Common Vent System ..................124 14.9 Massachusetts State Gas Regulations ...................... 125 14.10 Warranty ..............................126 Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 4 Thank you for purchasing a Rinnai Condensing Boiler. Before installing and operating this boiler, be sure to read these instructions • A trained and qualified professional completely and carefully to familiarize must install the boiler, inspect it, and yourself with the boiler’s features and leak test it before use.

  • Page 5: Safety Symbols

    DANGER appliance. Indicates an imminently hazardous • Always check the water temperature situation which, if not avoided, will before entering a shower or bath. result in personal injury or death. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 6 It is strongly recommended that you use a should only be removed for service/ trained and qualified professional who has maintenance or replacing internal attended a Rinnai installation training class components. to adjust parameter settings. • Do not use an extension cord or adapter •...

  • Page 7: Front View

    DHW production. For complete boiler information, refer to the “Rinnai I-Series Condensing Boiler Central Central Installation Manual” supplied with the boiler, Heating Heating or visit rinnai.us. Supply Return Vent Connections Controller Piping Connections Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 8 Supply to CH System Condensate Drain Return from CH System Gas Supply Primary-Secondary Heating Kit CH Return CH Pressure Relief Valve (supplied with boiler) CH Pressure Gauge CH Supply Gas Shut Off Valve Boiler Pump Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 9 Flue Gas Exhaust Air Inlet Filter Combustion Test Port Fan with Integrated Venturi Air Vent Burner Assembly Gas Valve Ignition Unit Heat Exchanger Silencer PC Board Cover Control Panel Pressure Sensor PC Board Removed Condensate Trap Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 10 ANSI Z21.13, CSA 4.9, ASME Canada CRN 2089.9CL 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 I-Series Condensing Boiler Solo Manual...
  • Page 11 Measurements: in. (mm) Vent Connection: 2 in. (51 mm) nominal PVC/Polypropylene or 3 in./5 in. Concentric Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 12 Central Heating Central Heating Supply Return Condensate Drain Connection Connection Size 3/4 in. NPT CH In (CH Return) 1 in. NPT CH Out (CH Supply) 1 in. NPT Condensate Outlet 1/2 in. NPT Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 13 The following optional accessories are available for the Rinnai I-Series Condensing Boiler. CONDENSATE NEUTRALIZER SCALECUTTER Part #: 804000074 Part #: 103000038 Filters and reduces the amount of Neutralizes the condensate scale entering the boiler allowing generated by the boiler. for greater boiler longevity.

  • Page 14: Installation Guidelines

    Installing venting through a wall or roof; and supply fail to shut off, turn off the training in installation of condensing boilers. manual gas control valve to the Training for Rinnai Condensing Boilers is appliance. accessible online at • www.trainingevents.rinnai.us.
  • Page 15 • Combustion analyzer (intended for use with condensing boilers) DO NOT use substitute parts that are not authorized for this boiler. • Hand truck with fastening belt DO NOT install the boiler on carpeting. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 16 • User Manual • Warranty Card • Technical Data Sheet (located on inside of boiler front panel) • “Key Points for a Successful Installation” sheet (adhered to boiler front panel) Rinnai I-Series Condensing Boiler Solo Manual...

  • Page 17: Guidelines

    Oxygen permeable or rubber tubing is This section provides information on the not permitted in the heating system importance of water quality to the Rinnai unless it is separated from the boiler by Condensing Boiler. The information is a plate heat exchanger.
  • Page 18 □ The installation must conform with local codes or, in the absence of local codes, with the National Fuel Gas Code, ANSI Z223.1/NFPA 54, or the Natural Gas and Propane Installation Code, CSA B149.1. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 19 Steps continued on next page. Use the appropriate screws for the wall construction to secure the mounting bracket to the wall between two studs. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 20 Top Bracket Pour approximately 10 ounces (1.25 cups) of water directly into the boiler’s exhaust port (do not remove the 2 in. PVC adapter prior to this). Exhaust Port Bottom Bracket Rinnai I-Series Condensing Boiler Solo Manual...

  • Page 21: Venting Installation Sequence

    6 ft (1.83 m) or as per vent with an existing vent or chimney. manufacturer’s instructions or local • DO NOT common vent with the vent code requirements. pipe of any other manufacturer’s boiler or appliance. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 22 • Avoid termination locations near commercial cooking exhaust. • Avoid termination locations near any air inlets. • You must install a vent termination at least 12 in above the ground or anticipated snow level. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 23 3. Adjust DIP switch 8 to the ON position. PC Board DIP Switches 4. On the PC Board, press and hold the red button for five seconds Press and Hold Red Button for Five Seconds Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 24 8. The boiler is now set to allow higher exhaust temperatures. To exit parameter settings and enter normal operation mode, press the Mode button. 9. Replace the boiler’s front panel by reinserting the four screws that secure the panel. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 25 Combustion Exhaust Combustion Combustion Option 2 Non-Direct Vent (Room Air) See the Non-Direct Vent section for complete details. Room air is used for combustion while exhaust vents to the outside. Exhaust Combustion Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 26 FGV Concentric Vent Kit (16 in. length) 196005PVC (Order from Rinnai) 196105, 197033 FGV Concentric Vent Kit (28 in. length) 196105PVC (Order from Rinnai) 196125 FGV Concentric Vent Kit (40 in. length) 196125PVC (Order from Rinnai) Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 27 2 in. x 4 in. Concentric Vertical Termination CVENT-2 2 in. x 4 in. Concentric Horizontal Termination 2ZDCTH24 2 in. x 4 in. Concentric Horizontal Termination 2ZDCTV24 2 in. x 4 in. Concentric Roof Termination Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 28 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) SC03HT Horizontal Termination Adapter SC03VT Vertical Termination Adapter ICRT3539 3''/5'' Concentric Roof Termination PPs-UV Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 29 3 in. x 5 in. Concentric Vertical Termination CVENT-3 3 in. x 5 in. Concentric Horizontal Termination 2ZDCTH35 3 in. x 5 in. Concentric Horizontal Termination 2ZDCTV35 3 in. x 5 in. Concentric Roof Termination Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 30 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 I-Series Condensing Boiler Solo Manual...
  • Page 31 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 I-Series Condensing Boiler Solo Manual...
  • Page 32 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 Z-FLEX Polypropylene Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 33 [2] Permitted only if veranda, porch, deck, or balcony is fully open on a mini- mum of two sides beneath the floor. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 34 3 in. X 5 in. 65 ft (20 m) 150 ft (46 m) Vent Lengths: • 45° elbow is equivalent to 3 ft (1 m) • 90° elbow is equivalent to 6 ft (2 m) Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 35 Install the venting termination according to the diagrams and instructions in this manual. Slope the venting 1/4 in. per foot toward the appliance according to the vent manufacturer’s installation instructions. Dispose of condensate per local codes. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 36 65 ft (20 m) 150 ft (46 m) Long Sweep Short Sweep Close Turn • 45° elbow is equivalent to 3 ft (1 m) • 90° elbow is equivalent to 6 ft (2 m) Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 37 Exhaust Vent Pipe Install the exhaust vent pipe. Ensure it is Supplied properly seated. Secure the exhaust vent pipe to the exhaust adapter ring with the supplied screw. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 38 Slope horizontal exhaust 1/4 in. per foot towards the boiler. DO NOT slope combustion air pipe towards the boiler. Rinnai cautions against installing the boiler in applications with venting in different CAUTION pressure planes. It is possible to have poor performance with this installation.
  • Page 39 [2] Permitted only if veranda, porch, deck, or balcony is fully open on a mini- mum of two sides beneath the floor. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 40 60 in. between terminals Inside Corner IMPORTANT • Installation of Room Air must use listed Category IV venting. • All terminations (horizontal and/or vertical) must terminate 12 in. above grade or anticipated snow level. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 41 Such chemicals can be found in, but not limited to bleach, ammonia, cat litter, aerosol sprays, cleaning solvents, varnish, paint and air fresheners. Do not store these products or similar products in the vicinity of this boiler. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 42 75% free area. Under no circumstance should the louver, grill or screen have openings smaller than 1/4 in. Examples: Wood: 10 in. x 12 in. x 0.25 = 30 in. Metal: 10 in. x 12 in. x 0.75 = 90 in. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 43 □ 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 I-Series Condensing Boiler Solo Manual...
  • Page 44 Glue elbow to the combustion air PVC vent pipe per manufacturer’s instructions. Install the exhaust vent pipe. Ensure it is Exhaust Vent Pipe properly seated. Secure the exhaust vent pipe to the exhaust Supplied screw adapter ring with the supplied screw. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 45 Rinnai cautions against installing the boiler in applications with venting in different CAUTION pressure planes. It is possible to have poor performance with this installation. 2 in. or 3 in. 2 in. or 3 in. Schedule 40 Schedule 40 PVC/CPVC Snorkel...

  • Page 46: Gas Supply

    “6.3 Gas Pipe Sizing Reference Tables.” 7. Perform a leak and pressure test prior to operating the boiler. If a leak is detected, do not operate the boiler until the leak is repaired. Gas Shut Off Valve Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 47 1. Set the temperature controller to the lowest setting. 2. Turn off all electric power to the appliance if service is to be performed. 3. Turn the manual gas control valve located at gas inlet of appliance clockwise to the OFF position. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 48 50 (15) 1000 60 (18) ANSWER: 70 (21) 80 (24) For this example, the pipe 90 (27) diameter must be at least 3/4 in. pipe size and 10 ft (3 m) in 100 (30) length. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 49 ANSWER: 60 (18) Total Gas 215,000 Btu/hr Input 80 (24) 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 I-Series Condensing Boiler Solo Manual...

  • Page 50: Guidelines

    • Some installations with multiple zone valves may require a differential bypass, which will prevent excessively high flow rates through a single zone when the other zone valves are closed. Heating Return Connection Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 51 (207 kPa) PRV is supplied with the boiler. A port for the central heating PRV is present in the Primary-Secondary Heating Kit accessory offered by Rinnai. • Oxygen Elimination — The boiler may only be installed in a pressurized closed- loop heating system, free of air and other impurities.
  • Page 52 Pressure Relief Valve (supplied with boiler) Pressure Gauge Boiler Pump Air Separator Dirt SYSTEM SYSTEM Primary-Secondary Trap RETURN SUPPLY Heating Kit Ball Valve Backflow Preventer Fill valve with pressure gauge Expansion tank Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 53 It is the responsibility of the contractor or engineer to ensure the installation is in accordance with all local building codes. Confer with local building officials before installation. LEGEND This picture illustrates a suggested arrangement. Some of the fittings are optional. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 54 NOTE When Rinnai I-Series Boilers are in use with Rinnai air handlers, please reference the air handler Installation and Operation Manual for installation and performance details. Examples of Hydraulic Separation Closely spaced tees and low loss headers are common examples of hydraulic separators and are used to separate the boiler loop from the central heating loop.
  • Page 55 Shut Off Valves Low Loss From Heating Return Header IMPORTANT If using a low loss header, install the PRV and shut off valves between the boiler and low loss header (as illustrated in the above image). Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 56 UPS 26-99 0011-IFC ASTRO 280CI Manufacturer part numbers are correct at time of publication and are subject to change without notice. Contact manufacturer to confirm performance and part number prior to placing an order. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 57 DO NOT place any other valve or valve should pitch downward and shutoff device between the pressure terminate 6 in. (152 mm) above drains relief valve and the boiler. where discharge will be clearly visible. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 58 • A condensate neutralizer kit is available • All condensate must drain and be from Rinnai. The kit allows condensate to disposed of according to local codes. flow through neutralizing media that raises • Use only corrosion resistant materials...

  • Page 59: Condensate Pump Safety Switch Wiring

    PC Board). Boiler condensate pump safety switch is NO 3. Cut crimp connectors off white wires and (normally open) and faults when the circuit strip the insulation off of the two ends. closes. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 60 Power cord must be plugged into power source. Safety switch wires connect to the NO and COM contacts on the safety switch. • NO - Normally Open • NC - Normally Closed • COM - Common (Neutral) Rinnai I-Series Condensing Boiler Solo Manual...

  • Page 61: Guidelines

    3 seconds at 140°F (60°C) • 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. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 62 6. Set parameters 30-35 as appropriate for your application (see the Parameter Settings Table for more information). Indirect Tank Thermistor Connection DIP Switches Indirect Tank Pump Connection Indirect Tank Thermistor Connection Indirect tank pump to be wired to boiler. Board Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 63 Indirect Tank Thermostat Connection DIP Switches Indirect Tank Pump Connection Indirect Tank Thermostat Connection PC Board Indirect tank pump to be wired to boiler. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 64 NOTE Refer to section “12.3.8 PC Board DIP Switches” for more information on boiler DIP switches. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 65 Use 3-Way Valve Indirect Tank Simultaneous Indirect Tank Simultaneous Heating Priority Heating with Indirect Tank and CH Indirect Tank Priority Time minutes minutes minutes CH Temperature Limitation to Allow Simultaneous Operation with Indirect Tank Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 66 Confer with local building officials before installation. Indirect Tank Optional Low Water Aquastat Cut-Off Outdoor Reset 120V Input Thermostat Zone Control Panel Purge Station LEGEND The image below illustrates a suggested arrangement. Some of the fittings are optional. Rinnai I-Series Condensing Boiler Solo Manual...

  • Page 67: Guidelines

    If there is more than one − Making wiring connections and/ door to the boiler room, a switch or changes to the wiring should be located at each door. terminals on the boiler. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 68 ❼ PC Board CAUTION • Rinnai recommends the use of spade connectors or similar components for wiring to the screw terminals. • Ensure that the insulation of the wire is not exposed to contact any other components besides the terminal.

  • Page 69: Safety Precautions

    6. An E430 diagnostic code will be present until the boiler senses at least 13 PSI (90 kPa). 7. Check the heating system for leaks. 8. Begin the deaeration process shown in the next section (“10.3 Deaeration Process”). Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 70 6. Operate the central heating to ensure the boiler operates properly. 7. Close the air vent located inside the boiler. After approximately one week, all air in the system should be eliminated via the air separator in the piping system Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 71 To initiate or end the deaeration process, press and hold the top, left black button on the PC Board (shown below). PC Board DIP Switches Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 72 This boiler has an integrated condensate trap. Have you verified that an external condensate trap is not   installed?   Have you confirmed the end of the condensate drain pipe is open to atmosphere?   Has an air gap been installed in the condensate drain line? Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 73 Did you confirm that an extension cord or an adapter plug has NOT been used with the boiler? COMMISSIONING YES NO   Was the boiler filled to 17-26 PSI?   Was the deaeration process performed on the boiler? Rinnai I-Series Condensing Boiler Solo Manual...

  • Page 74: Start-Up Information

    Between 7.3 - 13 PSI, operation will be limited (E430 diagnostic code will be present on the controller display). − The maximum pressure permitted inside the heat exchanger is 45 PSI. − The pressure relief valve supplied with the boiler is rated to 30 PSI. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 75 Switching Operation Mode ❿ Indirect Tank Button LED When the LED light above Press to switch between the Indirect Tank button is DHW (Indirect Tank) and illuminated, Indirect Tank CH for temperature setting. mode is active. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 76 Indirect Tank alternately displayed on the controller. Blinking: Operation is occurring. Light is On: Indirect Tank temperature ❿ “In Use” Light (boiler has fired and is is satisfied. running) ❺ Outdoor Temperature Sensor Connected Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 77 Central Heating arrows until the Active button appears on This temperature setting appropriate temperature the home screen. is displayed for a few is displayed. seconds and then returns to standby mode. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 78 Press the Select button to confirm the or Down arrows until the temperature. The setpoint temperature appropriate temperature is displays for a few seconds and then displayed. returns to standby mode. Temperature 120°F (50°C) 130°F (55°C) 140°F (60°C) 150°F (65°C) Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 79 Eco Mode (Default) Comfort Mode No Icon MODE MODE The Eco icon will illuminate The Eco icon will not illuminate when Eco Mode is active. when Comfort Mode is active. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 80 To turn the control panel click sound on or off, follow the steps below. 2: OFF 2: on MODE MODE Press the Mode button Press the Select button. 2:on twice. should appear on the display. Press the Up or Down arrows to select ON or OFF. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 81 Press the Mode button Press the Select button. 3: off three times. should appear on the display. Press the Up or Down arrows to select: • OFF - Child Lock OFF • LOC - Child Lock ON Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 82 Indirect Tank button (press and hold performance data both buttons down at the same number described in time). The data for the the Performance Data performance number Table in this section. automatically appears in the display. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 83 Outdoor Temperature °F/°C Energization Hours x100 Hours Combustion Hours x10 Hours Combustion Cycles x100 Commissioning Cycles * Refer to the Technical Data Sheet located on the inside front cover of the boiler for additional information. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 84 PCB. Refer to the instructions included in the replacement parts. Button 4 Parameter Settings Refer to section “12.4 Parameter Settings” (Red Button) Dip Switch Dip Switch Settings Refer to section “12.3.8 PC Board DIP Switches” Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 85 PVC Material (PP, venting system. If CPVC, CPVC, or PP, or other approved Stainless Steel) venting is used, this setting may be adjusted. See section “5.4 PVC Venting Safety Switch” for more information. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 86 0-2,000 ft (0-610 m) (Default) 2,001-5,400 ft (610-1,646 m) 5,401-7,700 ft (1,646-2,347 m) 7,701-10,200 ft (2,347-3,109 m) IMPORTANT When a DIP switch is adjusted, it is not necessary to adjust the gas pressure setting for high altitude. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 87 CH pump 1. For example, when the main Together) pump is on, pump 1 is also on. When DIP switch 2 is in the OFF position, the pumps are automatically linked. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 88 (such as 30-A or 30-b). Then, press the Select button. 8. To exit parameter settings and enter normal operation mode, press either the red button on the PC Board or the Mode button on the controller. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 89 OFF (default) position. This sets the maximum outdoor temperature Maximum (25°C) the boiler will fire in CH mode. This can prevent the boiler from firing in warm outdoor temperatures. Continued on next page Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 90 (9°C) (12°C) This selects the differential temperature between the indirect tank setpoint temperature and thermistor reading. The smaller the value, the more frequently the indirect tank will call for heat. Continued on next page Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 91 When "NO" is selected, make sure that the CH system and heating application is designed to allow for the high supply temperature. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 92 The needed) temperature water being delivered to the system may not be as warm as desired with this setting ON. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 93 PVC PVC: venting system. If CPVC, PP, or other approved CPVC/PP/ venting is used, this may be adjusted. See the Other section on PVC Safety Switch for more information. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 94 The sensor should then be wired back to the outdoor temperature sensor terminal on the boiler. Refer to the following sections for more information. North Facing Wall Outdoor Temperature Sensor Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 95 140 - 180°F Unit Heater 130 - 140°F 160 - 180°F Base Board Convectors 100 - 140°F 140 - 180°F Cast Iron/Panel Radiator 90 - 120°F 140 - 180°F Undermount Radiant 100 -120°F 120 - 150°F Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 96 130°F 122°F (54°C) (50°C) 120°F (49°C) 14°F (-10°C) 104°F 110°F (40°C) (43°C) 100°F -20°F -10°F 0°F 10°F 20°F 30°F 40°F 50°F 60°F 70°F (38°C) (-29°C) (-23°C) (-18°C) (-12°C) (-7°C) (-1°C) (4°C) (10°C) (16°C) (21°C) Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 97 Select Reset Curve To select the desired reset curve, access the parameters (as shown in section “12.4 Parameter Settings”) and select parameter . Then, select the desired curve. Selection Parameter Setting Description Number Outdoor reset curve Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 98 Maximum outdoor temperature is selected by setting parameter number to “77°F (25°C)” or “No Maximum” (see section “12.4 Parameter Settings” for more information). Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 99 CH or Indirect Tank buttons. If this is the case, • Check flame rod voltage to ground during contact your service provider for troubleshooting ignition. assistance. * See “Electrical Diagnostics” on Technical Data Sheet located on inside front cover of boiler. e:100 Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 100 • Check the return thermistor. venting is connected properly. • Replace if necessary. * See “Electrical Diagnostics” on Technical Data Sheet located on inside front cover of boiler. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 101 Sheet located on inside front cover of boiler. the solenoid gas valve. • If the output from the PC Board is abnormal, replace the PC Board. • If the output from the PC Board is normal, replace the gas control. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 102 34) passes, the boiler will be in heating priority for 60 minutes. The boiler does not operate with the CH setting button Code • If DIP switch 2 is OFF, CH operation will operate via the room thermostat. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 103 5. Press the right-side, black button again. The controller now displays FH (the boiler is now in forced high condition). 6. To enter back into normal operation, press the right-side, black button. The controller now displays normal operation mode. Rinnai I-Series Condensing Boiler Solo Manual...

  • Page 104: Maintenance

    • Check that the pressure on the controller display or external pressure gauge indicates 17-26 psi (117-180 kPa). Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 105 Draining Water When the system will be shutdown for a long period of time (seasonal shutdown), close the shutoff valves below the boiler and drain the boiler to protect it from potential freeze damage. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 106 Do not open the burner cabinet and touch the burner surface. Condensate Trap Cleaning: • Inspect the condensate drain assembly inside the boiler and your external drain system. • Remove any debris that may be present in the condensate removal system. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 107 The internal freeze protection will not necessarily prevent the system piping from freezing. During freeze protection operation, the pressure and supply temperature will alternately display on the controller. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 108 6. Reconnect the wiring connection to the flame rod. Be careful not to touch the inside of the wiring connection. To reset the error, press the Central Heating button. The boiler starts up. 7. Replace the boiler front panel. 8. The boiler may now go back into normal operation. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 109 If replacing a boiler, add system cleaners while the old boiler is installed and operate the old boiler for heating for several days to most effectively clean the system. • The Rinnai boiler must be closed off (valved off) from the rest of the system, or not connected, while cleaners are in the system. •...
  • Page 110 2. Isolate the boiler from the CH system. boiler is added to the system. 3. Fill the CH system with an approved The Rinnai boiler must be isolated from the cleaner and circulate through the system. system while the system is flushed. No 4.

  • Page 111: Pressure Drop And Flow Curve

    Pressure Drop and Flow Curve” Legend: Refer to the legend below for the system applications shown in this section. Radiator with Thermostatic Heads This picture illustrates a suggested arrangement. Some of the fittings are optional. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 112 PC Board Wiring Boiler Pump for the above Connection application example External pump connection 1 T/T 1 Connection Boiler Pump Thermostat Pump Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 113 PC Board Wiring Boiler Pump for the above Connection application example T/T 1 Connection Boiler Pump Zone Control Thermostat 1 Pump Thermostat 2 Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 114 PC Board Wiring Boiler Pump for the above Connection application example External pump connection 2 T/T 1 Connection External pump T/T 2 connection 1 Connection Boiler Pump Thermostat Pump 2 Pump 1 Thermostat 2 Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 115 Boiler Pump for the above Connection application example T/T 1 Connection Boiler Pump Pump 1 Pump 2 Pump 3 Wires To End Switch on Zone Controller Zone Control Thermostat 1 Thermostat 2 Thermostat 3 Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 116 CH pump 1. Note: Heat emitter must be radiator with thermostatic heads. PC Board Wiring Boiler Pump for the above Connection application example External pump connection 1 Boiler Pump Pump 1 Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 117 The Manufactured Home Construction Phillips Head Screwdriver (field-supplied) and Safety Standard, Title 24 CFR, Part 3280 and/or CAN/CSA Z240 MH Series, Mobile Homes, Series M86 / Manufactured Home Construction and Safety Standard, Title 24 CFR. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 118 12. Turn on the power and gas. Inspect for gas leaks. 13. Proceed to the next section (14.4.3 Adjust Parameter Settings). Figure 2 Grooved side of outer gasket MUST face outwards. Inner Orifice Cover Outer Gasket Plate Gasket Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 119 A0-a • Select for Natural Gas (NG) • Select for Propane (LP) Then, press the Select button. 7. Parameter settings are complete. To enter normal operation mode, press the Mode button. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 120 O , as applicable, in the exhaust system. 5. After measurement, remove the gas analyzer probe, place the combustion analysis port cap back on, and reinstall the clamp to secure the cap in place. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 121 Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 122 Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 123 Water Flow (GPM) Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 124 Chapter 13 of the National Fuel Gas Code, ANSI Z223.1/NFPA 54, and/or the Natural Gas and Propane Installation Code, CAN/CSA B149.1. Rinnai I-Series Condensing Boiler Solo Manual...
  • Page 125 4. INSPECTION. The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not approve the installation unless, upon inspection, the inspector observes carbon monoxide detectors and signage installed in accordance with the provisions of 248 CMR 5.08(2)(a)1 through 4. Rinnai I-Series Condensing Boiler Solo Manual...

  • Page 126: Warranty

    Rinnai’s sole discretion. The warranty claim for product parts and labor may be denied if a component or product returned to Rinnai is found to be free of defects in material or workmanship; damaged by improper installation, use or operation;...
  • Page 127 Rinnai warranty will not be valid. 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 128 800000112(01) 05/2020...

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