Rinnai Plus I Series Installation And Operation Manual
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Rinnai Plus I Series Installation And Operation Manual

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  • Page 2: Table Of Contents

    7.2 Instructions ........................51 7.3 Common CH Components ....................52 7.4 Piping Diagram for a Basic CH System (With Hydraulic Separation) ........54 7.5 Hydraulic Separation ......................55 7.6 Connect the Pressure Relief Valves ................... 58 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 3 14.8 Remove a Boiler from a Common Vent System ............. 138 14.9 Massachusetts State Gas Regulations ................139 14.10 Federal Communication Commission (FCC) Interference Statement ......140 14.11 Industry Canada Statement ..................141 14.12 Warranty ........................142 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 4 Thank you for purchasing a Rinnai I-Series Plus Condensing Boiler. Before installing and operating this boiler, be sure to read these instructions completely and carefully to • You must read the entire manual to familiarize yourself with the boiler’s features properly operate the boiler.
  • Page 5 Indicates an imminently hazardous • Always check the water temperature before situation which, if not avoided, will result entering a shower or bath. in personal injury or death. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 6 Force or attempted repair may result in a fire or explosion. • Proper venting is required for the safe operation of this appliance. Failure to properly vent this appliance can result in death, personal injury and/or property damage. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...

  • Page 7: Front View

    • Front View • Bottom View • Components • Specifications • Dimensions • Accessories Vent Connections Central Central Heating Heating Supply Return Figure 2: Bottom View Controller Piping Connections Figure 1: Front View Rinnai I-Series Plus Condensing Heat-Only Boiler 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 Plus Condensing Heat-Only Boiler Manual...
  • Page 9 Combustion Test Port Air Vent Ignition Unit Burner Assembly Heat Exchanger PC Board Cover Control Panel Pressure Sensor PC Board Removed Fan with Silencer Integrated Venturi Gas Valve Condensate Trap Figure 4: Components Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...

  • Page 10: Installation

    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 Plus Condensing Heat-Only Boiler Manual...
  • Page 11 Measurements: in. (mm) Front Side 19.45” (494mm) 15.48” 5.91” (393.3mm) (150mm) 5.09” (129.4mm) Figure 5: Dimensions Vent Connection: 2 in. (51 mm) nominal PVC/Polypropylene or 3 in./5 in. Concentric Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 12 14.37” (365mm) Figure 6: Supply Connections Table 3 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 Plus Condensing Heat-Only Boiler Manual...
  • Page 13 The following optional accessories are available for the Rinnai I-Series Plus Condensing Boiler. SCALECUTTER CONDENSATE NEUTRALIZER Part #: 103000038 Part #: 804000074 Neutralizes the condensate Filters and reduces the amount of generated by the boiler. scale entering the boiler allowing for greater boiler longevity.

  • Page 14: Installation Guidelines

    Propane Installation Code, CSA B149.1. If installed in a manufactured home, the installation must conform with the Manufactured Home Construction and Safety Standard, Title 24 CFR, Part 3280 and/or CAN/SCA Z240 MH Series, Mobile Homes. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 15 • Hand truck with fastening belt DO NOT use substitute parts that are not authorized for this boiler. DO NOT install the boiler on carpeting. DO NOT install the boiler outdoor. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 16 • Technical Data Sheet (located on inside of boiler front panel) other is for the exhaust. • “Key Points for a Successful Installation” Sheet (adhered to boiler front panel) Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...

  • Page 17: Guidelines

    Scale build-up is caused by hard water and can be accelerated if the boiler is set at a high temperature. Rinnai offers Southeastern Filtration’s “Scale Cutter Water Conditioning System” that offers Consideration of care for your boiler should superior lime scale prevention and include evaluation of water quality.
  • Page 18 Install the boiler and/or vent termination as far away as possible from exhaust vent hoods and dryer vents. • Damage and repair due to corrosive compounds in the air is not covered by warranty. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 19 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 Plus Condensing Heat-Only Boiler Manual...
  • Page 20 Figure 12 side). Use the appropriate screws for the wall Steps continued on next page. construction to secure the mounting bracket to the wall between two studs. Figure 11 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 21 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 Figure 13 Figure 14 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...

  • Page 22: Venting Installation Sequence

    (approved) for this boiler. To ensure safe and proper operation, damaged vent components MUST be replaced before operating the boiler. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 23 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 Plus Condensing Heat-Only Boiler Manual...
  • Page 24 The boiler is now set to allow higher exhaust temperatures. To exit parameter settings and enter normal operation mode, press the SW1 left button on the PC Board. Replace the boiler’s front panel by reinserting the two screws that secure the panel. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 25 Figure 17 Figure 18 Non-Direct Vent (Room Air) Option 2 See the Non-Direct Vent section for complete details. Room air is used for combustion Exhaust while exhaust vents to the outside. Combustion Figure 19 Rinnai I-Series Plus Condensing Heat-Only Boiler 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 Plus Condensing Heat-Only Boiler Manual...
  • Page 27 2 in. x 4 in. Concentric Vertical 190295 Termination 2 in. x 4 in. Concentric Horizontal CVENT-2 Termination 2 in. x 4 in. Concentric Horizontal 2ZDCTH24 Termination 2 in. x 4 in. Concentric Roof 2ZDCTV24 Termination Rinnai I-Series Plus Condensing Heat-Only Boiler 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 Plus Condensing Heat-Only Boiler Manual...

  • Page 29: In. X 4 In. Concentric Roof Termination

    3 in. x 5 in. Concentric 190395 Vertical Termination 3 in. x 5 in. Concentric CVENT-3 Horizontal Termination 3 in. x 5 in. Concentric 2ZDCTH35 Horizontal Termination 3 in. x 5 in. Concentric Roof 2ZDCTV35 Termination Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 30 FGV PVC Low Profile Termination Kit 196984PVC (Order from Rinnai) FGV PVC Wall 081216 Termination Kit 52SWVKGVS6502 PVC Side Wall Vent Kits 52WTVKGVS6502 PVC Wall Vent Kits 2 in. Low Profile HVENT-2 Horizontal Vent Kit Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 31 FGV PVC Low Profile Termination Kit 196985PVC (Order from Rinnai) FGV PVC Wall 081219 Termination Kit PVC Side Wall Vent 52SWVKGVS6503 Kits 52WTVKGVS6503 PVC Wall Vent Kits 3 in. Low Profile HVENT-3 Horizontal Vent Kit Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 32 APPROVED VENTING MATERIALS BY MANUFACTURER Table 14 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 Plus Condensing Heat-Only Boiler Manual...

  • Page 33: Termination

    [2] Permitted only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 34 3 in. X 5 in. Vent Lengths: 75 ft (23 m) 160 ft (49 m) • 45° elbow is equivalent to 3 ft (1 m) • 90° elbow is equivalent to 6 ft (2 m) Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 35 / 5 in Vent Sizes (51 mm/100 mm) (76 mm/125 mm) 45° Elbow 3 ft (1 m) 2.5 ft (0.7 m) Figure 24 90° Elbow 6 ft (2 m) 5 ft (1.5 m) Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 36 Short Sweep Close Turn Vent Lengths: 75 ft (23 m) 160 ft (49 m) • 45° elbow is equivalent to 3 ft (1 m) • 90° elbow is equivalent to 6 ft (2 m) Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 37 Figure 31 Exhaust Install the exhaust vent pipe. Ensure it Vent Pipe is properly seated. Secure the exhaust vent pipe to the exhaust adapter ring with the supplied screw. Supplied Screw Figure 32 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 38 Slope horizontal exhaust 1/4 in. per foot towards the boiler. DO NOT slope combustion air pipe towards the boiler. CAUTION Rinnai cautions against installing the boiler in applications with venting in different pressure planes. It is possible to have poor performance with this installation. Table 22...

  • Page 39: Termination

    [1] A vent shall not terminate directly above a sidewalk or paved driveway that is requirements of the gas supplier. located between two single family dwellings and serves both dwellings. [2] Permitted only if veranda, porch, deck, or balcony is fully open on a minimum Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 40 Inside Corner Figure 35 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 Plus Condensing Heat-Only Boiler 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 Plus Condensing Heat-Only Boiler 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 Plus Condensing Heat-Only Boiler 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 Plus Condensing Heat-Only Boiler Manual...
  • Page 44 Secure the combustion air vent pipe to screw. the combustion air vent connection with the supplied screw. Exhaust Vent Pipe Combustion Air Vent Pipe Supplied Screw Supplied Screw Figure 41 Figure 39 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...

  • Page 45: Termination

    Room Air: Example Vent Applications Rinnai cautions against installing the boiler in applications with venting in CAUTION different pressure planes. It is possible to have poor performance with this installation. Table 27 2 in. or 3 in. 2 in. or 3 in.
  • Page 46 Outdoor Vent Cap Application The Rinnai RX Series Tankless Water Heater offers an outdoor vent cap as an accessory to enable outdoor installations. This is not an acceptable accessory for the I-Series Plus Condensing Boiler. The boiler is only approved to be installed indoors with appropriate venting to the outdoors.

  • Page 47: Gas Supply

    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. Figure 43 Gas Shutoff Valve Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 48 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 Plus Condensing Heat-Only Boiler Manual...
  • Page 49 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 Plus Condensing Heat-Only Boiler Manual...
  • Page 50 60 (18) Total Gas 264,000 Btu/hr 80 (24) 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 I-Series Plus Condensing Heat-Only Boiler Manual...

  • Page 51: Guidelines

    Some installations with multiple zone valves may require a differential bypass, which will prevent excessively high flow Heating Return Connection rates through a single zone when the other zone valves are closed. Figure 44 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 52 Pressure/Temperature Gauge - The current pressure and temperature will alternately be displayed on the boiler control panel. A port for an external gauge is present in the Primary-Secondary Heating Kit accessory offered by Rinnai. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 53 Pressure Relief Valve (supplied with boiler) Pressure Gauge Primary- Air Separator Boiler Pump Secondary SYSTEM SYSTEM Heating Kit RETURN SUPPLY Dirt Trap Backflow Preventer Ball Valve Expansion tank Fill valve with pressure gauge Figure 46 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 54 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. Figure 47 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 55 NOTE When Rinnai I-Series Plus 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 56 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). Figure 49 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 57 0010-IFC NRF-25 ASTRO 250 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 Plus Condensing Heat-Only Boiler Manual...
  • Page 58 The discharge line from the pressure relief shutoff device between the pressure valve should pitch downward and terminate relief valve and the boiler. 6 in. (152 mm) above drains where discharge will be clearly visible. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...

  • Page 59: Guidelines

    • A condensate neutralizer kit (part number 804000074) is available from Rinnai. The kit To prevent condensate damage, follow these allows condensate to flow through guidelines: neutralizing media that raises the pH of the • Do not plumb the condensate drain with condensate to a level that will help prevent the pressure relief valve;...
  • Page 60 Boiler condensate pump safety switch is behind the PC Board). NO (normally open) and faults when the 3. Cut crimp connectors off white wires circuit closes. and strip the insulation off of the two ends. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 61 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) Figure 56 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...

  • Page 62: Indirect Tank Control Options

    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 Plus Condensing Heat-Only Boiler Manual...
  • Page 63 5. Set parameters 30-35 as appropriate for your application (see the Parameter Settings Table for more information). Indirect Tank Thermistor Connection Indirect Tank Thermistor Connection Indirect Tank Pump Connection Indirect tank pump to be wired to boiler. Figure 57 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 64 Indirect Tank Thermostat Connection Indirect Tank Pump Terminal 4 Connection Indirect tank pump to be wired to boiler. Figure 58 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 65 CH operation will occur after the tank temperature is satisfied or indirect tank priority time has elapsed. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 66 Option 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 Plus Condensing Heat-Only Boiler Manual...
  • Page 67 Indirect Tank Optional Low Water Aquastat Outdoor Cut-Off (LWCO) Reset Thermostat 120V Input Zone Control Panel Purge Station LEGEND The image below illustrates a suggested arrangement. Some of the fittings are optional. Figure 59 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...

  • Page 68: Electrical Connections

    If there is more than one − Making wiring connections and/or door to the boiler room, a switch should be changes to the wiring terminals on located at each door. the boiler. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 69 ⓰ External Pump Connection 1 120 VAC, Max 2.0 A C R W C R W C R W C R W ⓮ ⓭ ⓯ ⓰ ❽ ❾ ❿ ⓬ ⓫ Figure 60 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 70 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. • If exposed wiring contacts to any other exposed wiring or metal components, an electrical short may occur and cause damage to the PCB or other connected components.
  • Page 71 If your connecting device has Figure 63 Bluetooth 4.0 or a newer version. 6. Follow the steps in the Rinnai Central app to 1. Download the Rinnai Central confirm and/or change your boiler settings. app by scanning the 7.
  • Page 72 3.(A). If you install the boiler by PVC venting: Press the Select button. Proceed to step 4. If you install the boiler by PP venting: Proceed to step 3(B). Figure 69 Figure 67 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 73 Follow the steps in section “12.4 Parameter Settings” and change parameters (Gas Type) and Venting correctly. 7. After initial settings are completed, press the On/ Off button to turn on the unit. Figure 71 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...

  • Page 74: 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 Plus Condensing Heat-Only Boiler Manual...
  • Page 75 7. Operate the central heating to ensure the boiler operates properly. 8. Close the air vent located inside the boiler. After Figure 74 approximately one week, all air in the system should be eliminated via the air separator in the piping system. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 76 Failure to properly deaerate the boiler and system may result in damage to the boiler, which is not covered by the boiler warranty. To initiate or end the deaeration process, press and hold the SW2 button (shown below). PC Board Figure 75 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 77 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 Plus Condensing Heat-Only Boiler Manual...
  • Page 78 Did you confirm that an extension cord or an adapter plug has NOT been used with the boiler? YES NO COMMISSIONING   Did you prime the pump?   Was the boiler filled to 17-26 PSI?   Was the deaeration process performed on the boiler? Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...

  • Page 79: 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 Plus Condensing Heat-Only Boiler Manual...
  • Page 80 Display Window temperature. Displays boiler status ❸ Settings Menu information. Selects Further Menus See section “12.2.2 Display to adjust settings. Window” for more information. ❾ Boost Button Engages the Boost Function on the boiler. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 81 Outdoor Temperature Sensor Unit of Measurement for Temperature ❹ Connected ⓫ Unit of Measurement for Pressure ❺ Eco Mode Active Note: Pressure and temperature are alternately displayed on the controller. ❻ Central Heating Mode Active Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 82 Central Heating This temperature setting appropriate Active button appears on is displayed for a few temperature is the home screen. seconds and then returns displayed. to standby mode. Figure 78 Figure 80 Figure 79 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 83 This temperature setting is displayed for a few displayed. seconds and then returns to standby mode. Figure 81 Indirect Tank Temperature Settings Temperature 120°F (50°C) 130°F (55°C) 140°F (60°C) 150°F (65°C) Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 84 Press the Up or Down arrows to select the mode, four times. and press the Select button. • On = Eco Mode Active Figure 82(A) • OFF = Comfort Mode Active Figure 82(B) Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 85 To turn the control panel click sound on or off, follow the steps below. Figure 86 Figure 87 Press the Settings Menu button Press the Select button. twice. 2:on should appear on the display. Press the Up or Down arrows to select ON or OFF. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 86 Press the Settings Menu 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 Plus Condensing Heat-Only Boiler Manual...
  • Page 87 Domestic Hot Water button number described in performance number (press and hold both buttons the Performance Data automatically appears down at the same time). Table in this section. in the display. Figure 93 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 88 °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 Plus Condensing Heat-Only Boiler Manual...
  • Page 89 This is for transferring PCB data when replacing the Mode/Test PCB. Refer to the instructions included in the Button 3 Combustion replacement parts. Also, this is used for setting the Mode/Flushing boiler into forced combustion mode and flushing Mode mode. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 90 5,401-7,700 ft 7,701-10,200 ft Altitude (0-610 m) (610-1,646 m) (1,646-2347 m) (2,347-3,109 m) IMPORTANT When a PC Board button is adjusted, it is not necessary to adjust the gas pressure setting for high altitude. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 91 12. Reinstall the orifice cover plate using the three screws to secure it to the gas valve. 13. Turn on the power and gas. Inspect for gas leaks. Grooved side of outer gasket MUST face outwards. Inner Outer Cover Gasket Orifice Gasket Plate Figure 98 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 92 Ubbink Rolux® Flexible Vent Sys- 30 ft (9 m) 50 ft (15 m) tem, 2 in. (60 mm) PP 45° elbow is equivalent to 3 ft (1 m) 90° elbow is equivalent to 6 ft (2 m) Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 93 (such as 11-A or 11-b). Then, press the Select button. Figure 103 8. To exit parameter settings and enter normal operation mode, press the PC Board button. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 94 "No." De-Rate Setting Setting This parameter is to limit maximum input when it is necessary. Indirect Tank Enables the Indirect Tank Function for Pump 4. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 95 “A.” When a 3-Way Valve and the boiler pump are to be used for Pump 3-Way Valve recovering the indirect tank, select “b”. Only 120 VAC 3-Way Valves may be used in this application. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 96 3 requires two pumps or more for one zone, such as in use with an injection loop or similar pump 4 system. Note: Selection “d” is not available when using an Indirect tank. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 97 Not Run Main Pump pump operation to enable to deliver remained heat to the system for keeping the system piping from freezing. But it could reduce the temperature of inside of heat exchanger. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 98 0-10V Input Setting range range range Extending the post pump timing of pump 3. temperature - temperature - temperature - 36°F (20°C) 54°F (30°C) 72°F (40°C) For Manufacturer Use Only Manufacture Use Only Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 99 Switch for more information. Altitude Setting Level 0 Level 1 Level 2 Level 3 Sets the elevation of the 0-2,000 ft 2,001-5,400 5,401-7,700 ft 7,701-10,200 ft (0-610m) (610-1646m) (1,646-2,347m) (2,347-3,109 m) boiler installation. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 100 Service Soon (SS) will display on the controller again when • Service Soon will appear again based on the the boiler reaches the selected service interval. interval selected in the parameter settings. Figure 104 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 101 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 Figure 105 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 102 140°F - 180°F (60°C - 82°C) Cast Iron/Panel Radiator 90°F - 120°F (32°C - 49°C) 140°F - 180°F (60°C - 82°C) Undermount Radiant 100°F -120°F (38°C - 49°C) 120°F - 150°F (49°C - 66°C) Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 103 120°F (49°C) Radiators 170°F (77°C) 104°F (40°C) High Mass Radiant 120°F (49°C) 86°F (30°C) Custom curve based on Setting temperature on Setting temperature on the customer input the controller controller - 36°F (20°C) Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 104 100°F (38°C) (-10°C) (40°C) 90°F (32°C) 86°F (30°C) 80°F (27°C) -20°F -10°F 0°F 10°F 20°F 30°F 40°F 50°F 60°F 70°F (-29°C) (-23°C) (-18°C) (-12°C) (-7°C) (-1°C) (4°C) (10°C) (16°C) (21°C) Outdoor Temperature Figure 107 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 105 To select the desired reset curve, access the parameters (as shown in section “12.4 Parameter Settings”) and select parameter 0 1 . Then, select the desired curve. Table 43 Selection Parameter Setting Description Number Outdoor reset curve Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 106 Maximum outdoor temperature is selected by setting parameter number 03 to “77°F (25°C)” or “No Maximum” (see section “12.4 Parameter Settings” for more information). Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 107 100°F Figure 112 Table 44 Selection Parameter Number Setting Temperature Range Setting Temperature Range Setting Temperature Range Active Set Temperature - 36°F (20°C) Set Temperature - 54°F (30°C) Set Temperature - 72°F (40°C) Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 108 Boiler Pump Terminals Table 45 Models Total Number of Units Available that Can be Cascaded Each individual zone control can IP175S be wired back to the thermostat terminals on each boiler IP199S Figure 114 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 109 Total Number of Units control can be wired Tank Pump Connection on Available that Can be Cascaded Connection back to the Thermostat Primary Boiler IP175S thermostat terminals connection on each boiler IP199S Figure 116 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 110 When ID setting is successful, the controller display will change from “- - -” to the newly set ID number. After that, when the secondary units are boilers, the display alternates between pressure and temperature. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 111 Setting b Air Handler Post Pump Operation 15 Seconds 40 Seconds OPU Terminal Connections Normally Open Terminal Common Terminal Normally Closed Terminal External Pump T/T 3 Connection Connection 3 C R W Figure 117 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 112 1. Press and hold the Bluetooth button on the controller until the Bluetooth LED on the controller starts blinking. 2. Press and hold the Rinnai BLE push button until the green light flashes. The boiler will beep once when pairing is successful. If the pairing mode on the boiler expires without having successfully paired, the boiler will beep twice.
  • Page 113 Check flame rod voltage to ground Diagnostics” on during ignition. Technical Data * See “Electrical Diagnostics” on Technical Data Sheet located Sheet located on inside front cover of boiler. on inside front cover of boiler. Figure 121 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 114 • Venturi operation error. • Ensure the venturi motor is operating correctly.* • Replace the gas valve assembly. * See “Electrical Diagnostics” on Technical Data Sheet located on inside front cover of boiler. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 115 LWCO is not in use. • Ensure the output is 24 V AC. If it is not, a transformer is needed. * See “Electrical Diagnostics” on Technical Data Sheet located on inside front cover of boiler. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 116 UP, DOWN, and DHW. FFF appears on the monitor. * See “Electrical Diagnostics” on Technical Data Sheet located on inside front cover of boiler. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 117 10. Repeat step 6,7 and 8 for FH (forced high combustion). Figure 124 (A) Figure 124 (B) 11 To enter back into normal operation, press the SW3 right-side, black button. The controller now displays normal operation mode. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...

  • Page 118: Maintenance

    • Check that the pressure on the controller display or external pressure gauge indicates 17 to 26 PSI (117 to 180 kPa). Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 119 When the system will be shutdown for a long period of time (seasonal shutdown), Water close the shutoff valves below the boiler and drain the boiler to protect it from potential freeze damage. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 120 Do not 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 Plus Condensing Heat-Only Boiler Manual...
  • Page 121 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. Figure 128 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 122 To reset the error, press the Central Heating button. The boiler starts up. Figure 130 7. Replace the boiler front panel. 8. The boiler may now go back into normal operation. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...

  • Page 123: Approved Cleaners, Inhibitors And Antifreezes

    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 124 Note: When purging, continue until no bubbles are seen in the bucket. Hose 1 Hose 2 Dirt Trap Boiler Drain Supply Boiler Purge and Shutoff Isolation Valves Autofill Assembly Heat Emitter Figure 131 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 125 Note: If you need to cancel this procedure, you may press the Setting Menu button Figure 135 on the controller (Figure 134), or press the SW3 button on the PC Board (Figure 133). Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 126 16. Install the front panel and restore gas supply. IMPORTANT Scale build-up will affect the performance of the boiler. Water should be treated. Rinnai offers Southeastern Filtration’s “Scale Cutter Water Conditioning System” that offers superior lime scale Figure 137 prevention and corrosion control by feeding a blend of control compounds into the cold water supply.
  • Page 127 14.7 CH Pressure Drop and Flow Curve Legend: Refer to the legend below for the system applications shown in this section. Radiator with Thermostatic This picture illustrates a suggested ar- rangement. Some of the fittings are optional. Figure 138 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 128 PC Board Wiring Connection for the above application example T/T 1 Connection Zone Pump Connection 1 C R W C R W C R W C R W PC Board Thermostat Pump Figure 139 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 129 Purge Station Boiler Pump Connection T/T 1 Connection C R W C R W C R W C R W Thermostat 3 Zone Control Thermostat 4 Pump Thermostat 1 Thermostat 2 Figure 140 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 130 T/T 3 T/T 4 Connection Connection Connection Connection External Pump Connection C R W C R W C R W C R W Thermostat Thermostat Thermostat Thermostat Pump Pump Pump Pump Figure 141 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 131 Phillips Head Screwdriver (field-supplied) • The Manufactured Home Construction 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 Plus Condensing Heat-Only Boiler Manual...
  • Page 132 13 Turn on the power and gas. Inspect for gas leaks. 14 Proceed to the next section (14.4.3 Adjust Parameter Settings). Grooved side of outer gasket MUST face outwards. Inner Cover Outer Orifice Gasket Plate Gasket Figure 143 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 133 Adjust Parameter Settings Remove the boiler’s front panel by removing the two screws that secure the panel. Locate the PC Board (lower left side of unit). Locate the left PC Board button. Press and hold the button for five seconds. PC Board Figure 144 00-A...
  • Page 134 5. After measurement, remove the gas analyzer probe, place the combustion analysis port cap back Figure 149 on, and reinstall the clamp to secure the cap in place. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 135 Figure 150 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 136 Figure 151 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 137 IP175S and IP199S Water Flow (GPM) Figure 152 Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 138 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 Plus Condensing Heat-Only Boiler Manual...
  • Page 139 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 Plus Condensing Heat-Only Boiler Manual...
  • Page 140 The further RF exposure reduction can be achieved if the product can be kept as far as possible from the user body or set the device to lower output power if such function is available. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...
  • Page 141 Cet équipement est conforme aux limites d'exposition aux rayonnements ISED établies pour un environnement non contrôlé. Cet équipement doit être installé et utilisé avec un minimum de 20 cm de distance entre la source de rayonnement et votre corps. Rinnai I-Series Plus Condensing Heat-Only Boiler Manual...

  • Page 142: 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 143 Proof of purchase is required to obtain warranty service. You may show proof of purchase with a dated sales receipt, or by registering within 90 days of purchasing the product. To register your Rinnai Condensing Boiler, please visit www.rinnai.us. For those without internet access, please call 1-866- RINNAI1 (746-6241).

This manual is also suitable for:

Plus s seriesIp175sIp199sReb-b5200ff-usReb-b5800ff-us

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