Rinnai Infinity 26i Installation And User Manual
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Rinnai Infinity 26i Installation And User Manual

Rinnai corp. user manual continuous flow water heater infinity 26i, hd50iinfinity 26i, hd50i
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Installation and User Manual
Infinity 26i and HD50i
Infinity 26i and HD50i
Continuous Flow Water Heater
Important.
Read these instructions carefully before attempting installation or use of
this appliance. All work must be carried out by competent persons.

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Summary of Contents for Rinnai Infinity 26i

  • Page 1 Installation and User Manual Infinity 26i and HD50i Infinity 26i and HD50i Continuous Flow Water Heater Important. Read these instructions carefully before attempting installation or use of this appliance. All work must be carried out by competent persons.
  • Page 2 65 include installations incorporating storage cylinders or building flow and return systems. The warranty shall apply to any Rinnai water heater from the Infinity or HD range used in this way. Definition of Commercial Use.

  • Page 3: Table Of Contents

    Dimensions………………………………… Technical Details..………………………… Features and Benefits……………………. Important Information…………………….. Operation without Remotes……………… Temperature Controls…………………….. Testing……………………………………… Gas Pressure Setting…………………….. Dip Switch Setting………………………… Error Messages…………………………… Restarting the Rinnai Water Heater…….. Wiring Diagram……………………………. Diagnostic Points………………………….. Specification……………………………….. Service Contact…………………………… CONTENTS …………………………………………………2 …………………………………….…………..3 …………………………………………………4 …………………………………………………8 ……………………………………………….10 ……………………………………………….11...

  • Page 4: Unpacking Rinnai Water Heater

    UNPACKING RINNAI WATER HEATER • After unpacking the appliance check for damage, if the heater is damaged contact your supplier immediately. Do not install a damaged appliance before checking with your supplier. • A heater accessories pack is inside the carton. One remote control is supplied with the Infinity 26i.

  • Page 5: Installation Instructions

    DO NOT INSTALL, contact your supplier. 3. This appliance is for normal hot water supply only and should not be used as pool or spa water heater. 4. The heater must be installed in the vertical position with the gas and water connections on the underside pointing vertically downward.
  • Page 6 INSTALLATION INSTRUCTIONS - POSITIONING General Installation Information. Internal Installations The Rinnai Infinity 26i and the Rinnai HD50i are for internal installation in conjunction with the Rinnai Power flue system. The flue terminal clearances must be in accordance with the requirements of BS 5440.
  • Page 7 BS 5440 allow room sealed appliances to be installed in spaces and rooms, including bedrooms, without ventilation. If the Rinnai Infinity 26i or HD50i is installed in a compartment it must have the following amount of permanent ventilation. Ventilation from compartment to room:...
  • Page 8 To achieve the rated flow a minimum water supply pressure of 1.4 bar is required at the appliance inlet. The unit will operate at lower supply pressures but the rated flow will not be achieved. Contact Rinnai for 'gravity fed' or 'low pressure' hot water installations.

  • Page 9: Flue Requirements

    FLUE REQUIREMENTS - POSITIONING Dimension Terminal Position Directly below an opening, air brick, opening windows, etc. Above an opening, air brick , opening window, etc. Horizontally to an opening, air brick , opening window, etc. Below gutters, soil pipes or drain pipes. Below eaves.
  • Page 10 The Rinnai Infinity 26i and HD50i are internal units which may only be installed with the approved Rinnai Infinity and HD flue kit provided. These instructions only apply to coaxial Rinnai Flues with stainless steel inner pipe, and white plastic outer pipe.

  • Page 11: Dimensions

    DIMENSIONS...

  • Page 12: Technical Details

    TECHNICAL DETAILS Infinity Model Installation Nat Gas Press Low Nat Gas Press High LPG Press Low LPG Press High Height Width Depth Weight Flue System Temp. Range Controllers Temp. Range without Controllers Ignition Gas Consumption Low Nat Gas Gas Consumption High Nat Gas Max Flow raised 33C Min Operation Flow...

  • Page 13: Features And Benefits

    Congratulations on purchasing the Technologically Advanced, Temperature Controlled, Rinnai Hot Water System. The Rinnai Infinity 26i and HD50i NEVER RUN OUT of hot water. As long as • electricity, water, and gas supplies are connected, hot water is available when hot water taps are open.

  • Page 14: Important Information

    IMPORTANT INFORMATION Excessively hot water is dangerous, especially for young children and the infirm. The water heater allows you to control the temperature of your hot water to safe levels. Do stay with children whenever they are in the bathroom.
  • Page 15 IMPORTANT INFORMATION Always check water temperature before use. Refer to warning about hot water on page 14 for important safety information. The Infinity 26i and HD50i control the water temperature automatically. For high temperatures it may reduce the flow. The water from the hot tap may be reduced after the temperature shown on the remote control is raised.

  • Page 16: Operation Without Remotes

    Rinnai Infinity water heaters without controllers are factory pre-set to a temperature limit of 55°C. Rinnai Heavy Duty (HD) series are factory pre-set to a temperature limit of 65°C. Other limits, lower or higher, are available on request for both the Infinity and HD range.

  • Page 17: Temperature Controls

    Cables are simply ‘piggy-backed’ at the water heater or at the primary temperature controller. Polarity is not important when connecting the cables, either colour wire can be connected to either terminal at both the heater or primary temperature controller.
  • Page 18 TEMPERATURE CONTROLS - INSTALLATION Universal Temperature Controller MC-91-1A 1. Determine the most suitable position for the temperature controller. 2. Drill 3 holes in the wall as shown in fig 1, one for the cable and two for the securing screws. Ensure holes are drilled deep enough.
  • Page 19 TEMPERATURE CONTROLS - INSTALLATION Connecting One or Two Controllers 1. Isolate the power supply. 2. Remove the front cover from the Appliance (4 screws) fig. 1. 3. Thread the cable through the cable access hole at the base of the appliance. 4.

  • Page 20: Temperature Controls

    TEMPERATURE CONTROLS The purpose of a Temperature Controller is to enable the user to have complete control over the hot water supply. Used correctly, the hot water unit will supply hot water at the temperature selected, even when the water flow is varied, or when more than one tap is used.

  • Page 21: Temperature Controls - Operating

    Remote temperature controllers are a feature that provides control over the water temperature. Rinnai Infinity and HD water heaters can be operated with 1, 2, 3, 4 or no temperature controllers. The Universal controller MC-91-1A comes as standard with all Infinity water heaters, and are optional for the HD range.
  • Page 22 TEMPERATURE CONTROLS - OPERATING Using 1 Universal Temperature Controller. Press the On/Off button on the temperature controller. The ON indicator will glow on the Temperature Controller. This indicates that the heater is ready to supply hot water when a tap is opened. Adjusting Temperature Simply press the Hot Water Temperature Up or Down arrow button until the desired temperature is displayed on the...
  • Page 23 TEMPERATURE CONTROLS - OPERATING Using 2 or more Universal Temperature Controllers. Switching the system ON. The hot water system and all controllers can be switched ON and OFF from any controller by pressing the On/Off button as shown. When the system is turned ON the water temperature display will be lit.
  • Page 24 TEMPERATURE CONTROLS - OPERATING Using 4 Universal Temperature Controllers. You will need to activate the fourth controller. STEP 1: On the Master controller press and hold the Transfer and On/Off buttons simultaneously (see fig 2.) until a “beep” is heard (approx. 5 seconds) Check that the display on all Four controllers is lit STEP 2: and displaying a temperature when switched on.
  • Page 25 TEMPERATURE CONTROLS - OPERATING Using High Temperature Display Controllers. You will need to program the Master controller if you want to display and use temperatures over 50 C. Programming only needs to be done on Master universal controllers; other universal controllers will not allow this, and Deluxe Kitchen Controllers are supplied already programmed to allow high temperatures.
  • Page 26 The on indicator will go out. If hot water taps are opened when the Rinnai Infinity is off, cold water will flow from the taps. If the system is to be left off over the winter be sure to drain it down if there is a possibility of freezing temperatures.
  • Page 27 Temperature priority can not be switched to another controller when the water is flowing through the water heater. Controller 1 in use Do not clean the remote control with solvents or detergents.

  • Page 28: Testing

    1. Purge gas, hot water and cold water supply lines before making the final connection of the water heater. Swarf in either the gas or water supplies may cause damage. 2. Turn on gas and cold water supplies. 3. Test for water leaks and gas escapes near the unit.

  • Page 29: Gas Pressure Setting

    GAS PRESSURE SETTING The working gas pressure on the water heater is electronically controlled and factory set. Under normal circumstances it does not require adjustment during installation. Perform this procedure only if the unit is not operating correctly and all other possible causes for incorrect operation have been eliminated.
  • Page 30 (fig. 4) as required to the pressure below. Replace rubber access plug. 12. Set the Rinnai Infinity to 'Forced High' combustion by setting no. 7 and no. 8 dipswitches of the top set of switches (SW1) to 'ON'.

  • Page 31: Dip Switch Setting

    DIP SWITCH SETTING Dip Switch Positions Explained OFF ON SW1 Computer Programming Temperature Temperature Temperature Temperature Temperature Combustion Combustion OFF ON SW2 Gas Type Not in Use Computer Programming Not in Use Dip Switches Explained GAS TYPE OFF ON SW2 COMPUTER PROGRAMMING OFF ON SW1 Computer programming...
  • Page 32 DIP SWITCH SETTING Infinity 26i and HD50i Temperatures - With or Without Remotes Connected on SWI on SWI 40 deg C 43 deg C Temperatures - Remotes Connected on SWI on SWI 60 deg C 65 deg C Temperatures - Remotes Not Connected on SWI on SWI 60 deg C...

  • Page 33: Error Messages

    ERROR MESSAGES Rinnai water heaters have the ability to check their own operation continuously. If a fault occurs, an error code will flash on the Digital Display if you have temperature controllers installed. This assists with diagnosing the fault, and may enable you to overcome a problem without a service call.
  • Page 34 Troubleshooting without controllers If you have not installed temperature controllers and experience the following symptoms, please carry out the suggestions below. If symptoms continue, please contact Rinnai for advice. Fault Heater does not attempt Check the power is on at the heater.

  • Page 35: To Reset Heaters

    If following the above procedure does not reset the heater switch it on and off at its main supply, and then go through these steps again. If heater is still not working call your local service agent or Rinnai for assistance.

  • Page 36: Wiring Diagram

    WIRING DIAGRAM MC-91-1A MC-91-1A...

  • Page 37: Diagnostic Points

    DIAGNOSTIC POINTS Diagnostic Points- To be read in conjunction with the wiring diagram.

  • Page 38: Specification

    Electrical Supply…………………………….…………..…………….….230V AC 50Hz 1ph * Separate models available for Natural gas or LPG fuel. ** Minimum flow rate based on temperature setpoint and inlet conditions. Rinnai are continually updating and improving products and reserve the right to alter model specifications without prior notice.

  • Page 39: Service Contact

    SERVICE CONTACT Rinnai Rinnai UK LTD. 9 Christleton Court Manor Park Runcorn Cheshire WA7 1ST Tel. 01928 531870 Fax. 01928 531880 E-mail. info@rinnaiuk.com Web. www.rinnaiuk.com REU-V2632FFU 28/1/5 rev3...

  • Page 40: Commissioning Checklist

    COMMISSIONING CHECK LIST...

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