Rinnai I Series Instruction Manual
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Rinnai I Series Instruction Manual

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  • Page 2: Important

    New Zealand aftersales for advice. The gas nozzle must be changed and the relevant instructions for gas type changeover must be followed according to Rinnai I series LPG conversion document For more information regarding this appliance please call: 0800 357 1233.

  • Page 3: Table Of Contents

    3.6 DHW Connection: ............................... 17 3.7 Electrical Connection: ..............................17 ......................................17 3.8 PCB Connections: ................................ 18 3.9 Condensate Pipe: ................................ 19 3.10 PRV Drain: ................................. 20 4.0. Flue System ................................20 4.1 Installation clearance ..............................20 Rinnai I-Series Manual Revision A...
  • Page 4 7.2 Filling & Flushing: ................................ 35 7.3 Deaeration Process: ..............................35 7.4 Bypass Deaeration: ..............................36 7.5 Check Operation ................................. 36 8.0 Operation: ................................. 37 8.1 Control Panel ................................37 8.2 Display Window ................................38 8.3 Basic Settings ................................39 Rinnai I-Series Manual Revision A...
  • Page 5 9.2 Servicing Requirements .............................. 66 9.3 After Servicing: Visual Inspection of Flame ........................ 68 9.4 Freeze Protection Operation ............................68 Test the Ignition Safety Shut Off Device ......................69 10.0 Wiring Diagram ............................... 70 11.0 Warranty ................................. 71 Rinnai I-Series Manual Revision A...

  • Page 6: Safety Information

    Do not touch any electrical switch; do not use any phone in your building. Immediately call your gas supplier from a neighbours phone. Follow the gas supplier’s instructions. If you cannot reach your gas supplier, call 111. Rinnai I-Series Manual Revision A...

  • Page 7: About The Boiler

    Forced Exhaust Heat Exchanger Stainless Steel Gas Type Natural Gas (G20) Gas pressure range - NG 1.13-3.0 Enclosure rating IPX5D Sound Power dB(A) Electrical 230-240V~ 50hz Power Consumption Dimensions H671 x W470 x D276 Weight Rinnai I-Series Manual Revision A...

  • Page 8: Main Components

    Hot water connection pipe DHW thermistor Primary heat exchanger Hot water connection pipe Pressure relief valve (heating) Secondary heat exchanger Bypass pipe Pressure relief valve (hot water supply) Heating flow thermistor DHW flow sensor Exhaust inspection port Rinnai I-Series Manual Revision A...

  • Page 9: Dimensions

    2.3 Dimensions 2.4 Bottom View & Connection Locations Rinnai I-Series Manual Revision A...

  • Page 10: Description Of Boiler Operation

    In ‘Eco mode’ the above function is disabled. The boiler will not maintain the temperature of the plate heat exchanger, saving energy but slightly increasing the time to provide hot water. Rinnai I-Series Manual Revision A...

  • Page 11: Domestic Hot Water Priority Mode (Default)

    In this mode the boilers 2x three port valves are fully diverted to recirculate 100% of the boilers flow around the boiler and provide dedicated heating of the domestic hot water, this mode allows a large amount of domestic hot water to be provided. Rinnai I-Series Manual Revision A...

  • Page 12: Simultaneous Central Heating And Dhw Mode (Optional)

    The central heating water can be as high as 82°C or higher during simultaneous operation. If the heating set point is lower than 60°C the boiler will operate in DHW priority mode to prevent supplying to high temperature heating water into a low temperature central heating system. Rinnai I-Series Manual Revision A...

  • Page 13: Installation

    DO NOT install the boiler in an area with negative air pressure. DO NOT obstruct the flow of combustion and ventilation air. DO NOT use substitute parts that are not authorized for this boiler. DO NOT install the boiler on areas with carpet flooring. Rinnai I-Series Manual Revision A...

  • Page 14: Appliance Location

    3.1.2 External installation: The Rinnai I-Series boiler is not suitable for direct external installation. The boiler is suitable to be installed outside the home where the boiler is in a covered outdoor area that will limit the boilers exposure to rain and UV rays.

  • Page 15: Using The Supplied Bracket, Level And Fix This To The Wall

    3.2.1 Using the supplied bracket, level and fix this to the wall: 3.2.2 Hang boiler over wall bracket: 3.2.3 Fix Bottom Bracket to Secure Boiler: Rinnai I-Series Manual Revision A...

  • Page 16: Water Quality

    3.3 Water quality: 3.3.1 System Water Quality Requirements: The system water used with the Rinnai I-Series boiler must not exceed the levels specified in the table below: Component Total Aluminium Chlorides Copper Iron Magnesium Total Zinc Hardness Dissolved Solids Maximum 200mg/l 0.2mg/l...

  • Page 17: Gas Connection

    • All pipework must be insulated The boiler includes a 3 Bar pressure relief valve fitted to the heating flow connection, this should be piped away to a suitable location or drain from the boiler. Rinnai I-Series Manual Revision A...

  • Page 18: Dhw Connection

    The Appliance is supplied with an electrical cable already fitted with a plug; in case of replacement, contact a qualified technician and use only original Rinnai spare parts to avoid invalidating the warranty. Do not use adapters, multiple sockets and extension cords. The boiler has an IPX5D protection class.

  • Page 19: Pcb Connections

    Switch 2 should be changed to the ‘ON’ position (up). To fire the boiler without an external thermostat, DIP switch 2 should be left in the ‘OFF’ position. Please refer to sections 8.5.1 (Accessing the PCB/ DIP switches) and 8.5.2 (DIP Switch Setting Reference Chart). Rinnai I-Series Manual Revision A...

  • Page 20: Condensate Pipe

    Before operation of the boiler, the internal condensate trap must be primed by filling with water. To connect the condensate pipe • Apply thread sealant to ½" condensate drain port • By hand, thread ½" fitting onto condensate drain port. Rinnai I-Series Manual Revision A...

  • Page 21: Prv Drain

    The DHW discharge pipe must be suitable for water temperatures of 65°C minimum. Water discharged from the pressure relief valve could cause severe burns instantly from scalds 4.0. Flue System 4.1 Installation clearance Any flue installation must comply with the minimum flue clearance diagram and table below: Rinnai I-Series Manual Revision A...

  • Page 22: Flueing Options

    4.2 Flueing Options The Rinnai I Series boiler must be installed with a suitable flue system, the use of a coaxial flue to provide air for combustion and an exhaust pipe for combustion products is recommended, this system allows several flue...

  • Page 23: Distance Between Flues

    Insert the male end of the adapter into the boiler before fitting or measuring out any flue parts. Secure the adapter to the boiler with self-tapping screws. Rinnai I-Series Manual Revision A...

  • Page 24: Flue Connections

    10mm additional length: 3. Debur the edges of both pipes after cutting to permit easy joining of sections and prevent the seals from being damaged. Rinnai I-Series Manual Revision A...

  • Page 25: Back To Wall Flue

    Ensure the roof seal is applied under the flue UV protection (black coloured section). Do not install the flue with any section joins in an inaccessible area (i.e. within a wall, or inaccessible roof cavity). Rinnai I-Series Manual Revision A...

  • Page 26: Flue Clamps

    BRFLXCDCH 1m length of flue, flue clamp. Bracket BRFLC Flue clamp and mounting plate Internal wall seal BRFLISC White wall plate for covering internal penetration. Plume Kit BRFLXCDPDK Plume dispersal terminal kit with 1m extension Rinnai I-Series Manual Revision A...

  • Page 27: Accessories

    5.2.1 Expansion vessel kit: The Rinnai I Series boilers do not include an internal expansion vessel and an external expansion vessel is required for all installations. A suitable expansion vessel can be purchased separately from Central Heating New Zealand and integrated...

  • Page 28: Pressure Gauge

    5.2.3 Drain & Fill Valve: The Rinnai I Series boiler does not include an internal filling loop or valve; the drain and fill point must be installed in the system pipe work, and this is recommended to be located under the boiler.

  • Page 29: Air Vent

    The secondary circuit should then have a suitable circulation pump added to provide the required pumping power for the system. The Rinnai I Series boiler can provide up to 35kW of heating to the central heating system, for most central...

  • Page 30: Boiler Isolation Valves

    (BXCKHT or BXCKHT90) Heating Return ¾” ball valve with integrated filter (VBALLFTVL34) Gas supply ¾” swivel type gas tap (BXCKGT or BXCKGT90) DHW Valves ¾” Supplied by others Valve size and type to suit installers preference. Rinnai I-Series Manual Revision A...

  • Page 31: Boiler Fitting Kit

    Central Heating New Zealand has amalgamated some of the key components and fittings mentioned above into a convenient kit specific for the I-Series boiler. Both angled and straight options are available depending on the installation configuration. Description CHNZ Code: Valve Image Straight Fitting KIT BRIFS Right Angle Fitting KIT BRIFA Rinnai I-Series Manual Revision A...

  • Page 32: Bypass Valve

    5.2.8 Bypass Valve: The Rinnai I Series boiler does not have an integral heating bypass valve, for most system installations an external differential pressure bypass valve is recommended to improve the circulation through the boiler and life of the circulation pump. The recommended valve for this purpose is Danfoss 25mm bypass valve (VDIFFHYD2) which is stocked by Central Heating New Zealand: 5.2.9 Dirt Separator:...

  • Page 33: Typical System Schematics

    For systems with a heating load greater than 20kW an additional circulation pump will be required, the system schematic shows the layout for a basic single zone system with the inclusion of a secondary circulation pump: The key below explains the symbols used in the above schematics: Rinnai I-Series Manual Revision A...

  • Page 34: Circulation Pump

    For any systems designed by Central Heating New Zealand’s engineering team the abilities of the internal circulation pump will be factored into the design and where required an additional circulation pump and hydraulic separation device included in the system design. Rinnai I-Series Manual Revision A...

  • Page 35: Commissioning

    While the boiler is operating the pipes will be very hot, take care to prevent burns or unintended access. Do not store any flammable items on or around the boiler Rinnai I-Series Manual Revision A...

  • Page 36: Filling & Flushing

    5- The deaeration process takes approximately 15 minutes for completion. After 15 minutes the display will show “End” (see below image). The commissioning process is complete. Rinnai I-Series Manual Revision A...

  • Page 37: Bypass Deaeration

    When operating normally, the burner flame should burn evenly over the entire surface. The flame should be clear, blue, and stable. A yellow flame is abnormal, and maintenance is required (figure 4). Rinnai I-Series Manual Revision A...

  • Page 38: Operation

    9- CH BUTTON LED: When the LED light above the CH button is illuminated, CH mode is active. 10- DHW BUTTON LED: When the LED light above the DHW button is illuminated, DHW mode is active. Rinnai I-Series Manual Revision A...

  • Page 39: Display Window

    9- SET POINT TEMPERATURE, CURRENT TEMPERATURE OR CURRENT PRESSURE, AND DIAGNOSTIC INFORMATION Note: Pressure and temperature are alternately displayed on the controller. 10- PRIORITY CONTROL 11- “IN USE” LIGHT IS RED(boiler has fired and is running) Rinnai I-Series Manual Revision A...

  • Page 40: Basic Settings

    2- Adjust the temperature with the up and down arrows until the desired temperature is displayed. 3- Press the select button to confirm the temperature. The heating set point will be displayed for a few seconds before returning to standby mode. Rinnai I-Series Manual Revision A...

  • Page 41: Domestic Hot Water Operation Modes

    To change the units of measurements appearing on the boiler display, follow the steps below. Standard units for metric units’ system are ˚ C and bar. 1- Press the Mode button. 2- Press Up or Down arrows to select a unit. 3- Press the Select button. Rinnai I-Series Manual Revision A...

  • Page 42: Control Panel Sound

    If a button is pressed when the Child Lock function is engaged, “LOC” will be displayed on the controller. 1- Press the Mode button three times. 3: OFF should appear on the display. Press the UP or Down arrows to select: • OFF – Child Lock OFF • LOC – Child Lock ON Rinnai I-Series Manual Revision A...

  • Page 43: Performance Data

    3- Use the (Up) and (Down) buttons to scroll to the desired performance data number described in the Performance Data Table in this section. The data for the performance number automatically appears in the display. Rinnai I-Series Manual Revision A...

  • Page 44: Performance Data Table

    4- To exit Performance data: While continuing to hold the (Down) button, press and hold the Domestic Hot Water button (press and hold both buttons down at the same time). 8.3.7.1 Performance Data Table Rinnai I-Series Manual Revision A...
  • Page 45 Rinnai I-Series Manual Revision A...

  • Page 46: Forced Hi/Low Fire Modes

    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 Manual Revision A...

  • Page 47: Parameters And Features Accessible Via Pcb

    Refer to instructions with replacement part. Refer to section 8.6, Enable parameter Button 4 (red button) parameters accessible via changes from display boiler display Refer to DIP switch chart DIP switches DIP switch settings below Rinnai I-Series Manual Revision A...

  • Page 48: Dip Switch Settings Reference Chart

    Altitude Setting Sets the appropriate Depends on altitude (See altitude section 8.5.3 for elevation of the boiler specific values) installation Altitude Setting Not used in NZ Vent Type Selection (do not alter) Rinnai I-Series Manual Revision A...

  • Page 49: Altitude Settings

    4- Adjust DIP switches 6 and 7 to on or off based on the altitude settings in the table below. ALTITUDE DIP Switch DIP Switch 0-750 m 751-1500 m When a DIP switch is adjusted, it is not necessary to adjust the gas pressure setting for high altitude. Rinnai I-Series Manual Revision A...

  • Page 50: Parameters & Features Accessible Via Boiler Display

    4- Press and hold the red button for five seconds 5- Press the Mode button on the controller 6- Press the (Up) or (Down) arrows to select a parameter setting number. Then, press the Select button. Rinnai I-Series Manual Revision A...

  • Page 51: Parameter Settings Table

    This parameter is available when Dip Switch 1 is in the ON position. Boost Mode increases the CH set temperature above the outdoor reset curve target when the boiler has been running on an unusually long call for heat. 30 Minutes Minutes Rinnai I-Series Manual Revision A...
  • Page 52 During simultaneous operation. When selecting ‘NO’ limitation, the flow temperature may be up to 82°C regardless of the temperature set on the boiler. ensure that the CH system and heating application is designed for high temperature. Rinnai I-Series Manual Revision A...
  • Page 53 CH Pump 1. For example, selected, hydraulic when the main pump is on, pump 1 is also on. separation is When DIP switch 2 is in the OFF position, the required) pumps are automatically linked. Rinnai I-Series Manual Revision A...
  • Page 54 Boiler shutdown based on high return water temperature. This setting determines whether the boiler will shut down at high return water temperatures. This is to decrease the off-cycle time even though the return temperature is warm. Rinnai I-Series Manual Revision A...

  • Page 55: Outdoor Reset Control

    The sensor should then be wired back to the outdoor temperature sensor terminal on the boiler. Refer to the following sections for more information. Rinnai I-Series Manual Revision A...

  • Page 56: Outdoor Reset Connection

    Type of Heat Emitter Frequent minimum supply Frequent maximum supply temperature temperature Fan Coils 48 - 60°C 60 - 82°C Radiators 32 - 48°C 60 - 82°C Underfloor Heating 38 - 48°C 48 - 65°C Rinnai I-Series Manual Revision A...

  • Page 57: Outdoor Reset Curves

    Underfloor heating 60°C 40°C HT fan coil or undersized low level fan coil 82°C 60°C Custom curve based on customer input Setting temperature on the Setting temperature on the (see graph curve 4) controller controller (20°C) Rinnai I-Series Manual Revision A...
  • Page 58 Select Compensation Curve To select the desired weather compensation curve, access the parameters (as shown in section “8.6.1 Parameter Settings) and select parameter 01. Then, select the desired curve. Parameter Setting Description Selection Number Weather Compensation Curve Rinnai I-Series Manual Revision A...

  • Page 59: Fault Codes And Diagnostics

    (Up) button (hold both buttons at the same time). 8.7.2 Reset Diagnostic Codes To reset diagnostic codes, either the Central Heating or Domestic Hot Water button on the control panel will be blinking. Press the button to reset the code. Rinnai I-Series Manual Revision A...

  • Page 60: Diagnostic Codes

    ✓ Ensure the boiler pump is not locked up. ✓ Ensure that all the valves in the CH circuit are open. ✓ Ensure the boiler and CH circuit does not have a freezing condition. Rinnai I-Series Manual Revision A...
  • Page 61 ✓ Clean sensor of any scale buildup present. ✓ Measure the resistance of the sensor. ✓ Replace if necessary. ✓ Check sensor wiring for damage. Heat Exchanger ✓ Measure the resistance of the sensor. Thermistor ✓ Replace if necessary. Rinnai I-Series Manual Revision A...
  • Page 62 ✓ Ensure the DHW recirculation matches the Parameter 12 setting. DHW Recirculation ✓ Ensure the dedicated return line is properly installed. Pump ✓ Ensure the inlet water filter and bypass filter are clean and free of debris. Rinnai I-Series Manual Revision A...
  • Page 63 ✓ Check if there is freezing in the boiler or CH system. ✓ This code occurs when the PC Board and the internal logic do not match. PC Board Mismatch ✓ Check if the software versions of the board and operation board do not match. Rinnai I-Series Manual Revision A...
  • Page 64 Boiler does not start Code heating with a hot. ✓ Ensure the pump operates properly. heating demand ✓ If there is a demand immediately after using DHW, wait at least three present minutes for operation. Rinnai I-Series Manual Revision A...
  • Page 65 Pump or fan even Code with no demand operation. ✓ The pump may intermittently operate to prevent it from becoming stuck. ✓ During DHW recirculation, ECO switch will always be on. Cannot turn off ECO Code mode Rinnai I-Series Manual Revision A...

  • Page 66: Maintenance

    Verify the boiler is free from any abnormal situations, such as diagnostic error codes, loud noises, leakage or other potential issues. • Check that the pressure on the controller display indicates between 1 and 1.5 bar. Rinnai I-Series Manual Revision A...

  • Page 67: Servicing Requirements

    Confirm the pump operates smoothly. The boiler operates pump lock operation at least prevention once every 48 hours for all system pumps. If the pump is locked, rotate the cap on the front of the pump with a flat head screwdriver. Rinnai I-Series Manual Revision A...
  • Page 68 Clean the air filter: With mild dish soap and a soft bristle brush, scrub the filter area of the air filter door. With clean water, rinse the soap off the filter. • Dry the air filter with a lint-free towel. Rinnai I-Series Manual Revision A...

  • Page 69: After Servicing: Visual Inspection Of Flame

    The power and gas supply should then be disconnected from the boiler. Freezing damage may occur if there is water remaining in the boiler or system piping. The plumbing lines should also be blown out via compressed air. Rinnai I-Series Manual Revision A...

  • Page 70: Test The Ignition Safety Shut Off Device

    6- Reconnect the wiring connection to the flame rod. To reset the error, press the DHW button. 7- Replace the boiler front panel. The boiler may now go back into normal operation. Rinnai I-Series Manual Revision A...

  • Page 71: Wiring Diagram

    10.0 Wiring Diagram Rinnai I-Series Manual Revision A...

  • Page 72: Warranty

    11.0 Warranty Our compliments for having chosen a Rinnai product. The standard Rinnai warranty does not affect the terms of the legal warranty on customer’s good and relates to Rinnai products purchased. This product is warranted via Central Heating New Zealand (CHNZ) for a period of 5 Years subject to published conditions. Please refer to our terms &...

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