Rinnai HD70e Installation And User Manual
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Rinnai HD70e Installation And User Manual

Rinnai HD70e Installation And User Manual

Continuous flow water heater
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Installation and User Manual
Infinity 32e and HD70e
Infinity 32e and HD70e
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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  • Page 1 Installation and User Manual Infinity 32e and HD70e Infinity 32e and HD70e 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: Rinnai Uk Warranty

    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

    Flue Requirements...………………………………………………………………………… 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………………………………………………………………………………… Notes………………………………………………………………………………………… ervice Contact..…………………………………………………………………………… Commissioning Check List………………………………………………………………… CONTENTS...

  • Page 4: Unpacking Rinnai Water Heater

    A heater accessories pack is inside the carton. One remote control is supplied • with the Infinity 32e. The HD70e dose not come with controllers because it is a commercial unit. It is compatible with them if they are required.

  • 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 Multiple heater installations can be installed with the heaters manifolded together. The design of the heater draws combustion air through the casing for the external model. Heater guards and pipe cover boxes for security and safety are available from Rinnai.
  • Page 7 Gas Connection Check pipe sizing required for the heater input. The heat input for the Infinity 32e and HD70e is 69 kW. Refer to BS6891 (Natural Gas) and BS5482 (Propane) for guidance on correct pipe sizing calculation. Check that the size of the gas meter and pipework will be sufficient for all appliances on the main.

  • Page 8: Flue Requirements

    FLUE REQUIREMENTS - POSITIONING Dime nsion 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 9: Dimensions

    DIMENSIONS...

  • Page 10: Technical Details

    Max Flow raised 33C Min Operation Flow Water Pressure Nom. Power Supply Electric Consumption * Factory Setting ** Minimum operation flow based on temperature setpoint and inlet conditions. Infinity 32e HD70e Units External External mbar mbar mbar 17.6 17.6 mbar...

  • Page 11: Features And Benefits

    Congratulations on purchasing the Technologically Advanced, Temperature Controlled, Rinnai Hot Water System. The Rinnai Infinity 32e and HD70e 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 12: 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 13 Refer to warning about hot water on page 12 for important safety information. The Infinity 32e and HD70e 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 15: 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 16 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 17 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 18 To obtain water temperatures lower than 37 C simply add cold water. Up to four controllers can be used for one Infinity 32e or HD70e. When multiple temperature controllers are used they allow the temperature to be set from various locations by pushing the transfer button which gives that controller priority over the system.

  • Page 19: 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.
  • Page 20 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 This indicates that the heater is ready to supply 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 digital display.
  • Page 21 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 22 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 23 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 controllers; other universal controllers will not allow this, and Deluxe Kitchen Controllers are supplied already programmed to allow high temperatures. Temperatures in bathrooms should never exceed 50 STEP 1: On the Master controller only press and hold the Transfer and On/Off...
  • Page 24 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 25 (or turned OFF) (or turned ON again) 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. Use only a soft damp cloth.

  • Page 26: 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 27: 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 28 GAS PRESSURE SETTING 11.Adjust the regulator screw on the modulating valve (fig. 4) as required to the pressure below. 1.8 mbar Propane 3.5 mbar 12.Lock the regulating screw on the modulating valve. 13.Set the appliance to 'Forced High' combustion by setting both no. 2 and no. 3 dipswitches of the bottom set of switches (SW3) to 'ON'.

  • Page 29: Dip Switch Setting

    FORCED LOW OFF ON SW3 OFF ON SW3 COMPUTER PROGRAMMING OFF ON SW3 Switch is always in the OFF position for the Infinity 32e and HD70e. LEGEND: Black Section indicates position of dip switch. FORCED HIGH OFF ON SW3 2 on...
  • Page 30 DIP SWITCH SETTING Infinity 32e and HD70e Temperatures - Remotes Connected on SW2 on SW2 40 deg C 43 deg C Temperatures - Remotes Connected on SW2 on SW2 60 deg C 65 deg C Temperatures - Remotes Not Connected...

  • Page 31: 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 32 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 33: Restarting The Rinnai Water Heater

    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 34: Wiring Diagram

    WIRING DIAGRAM THERMISTOR 〔OUTGOING WATER TEMP.〕 THERMISTOR THERMAL FUSE 〔HEAT EXCHANGER TEMP.〕 OVERHEAT SWITCH MODULATING VALVE FLAME ROD STEPPING MOTOR GEARED MOTOR FAN MOTOR TRANSFOMER ANTI-FROST HEATER ANTI-FROST HEATER WATER FLOW SENSOR DIP SWITCH ｝ Gas type R Y Bk ｝...

  • Page 35: Diagnostic Points

    DIAGNOSTIC POINTS Diagnostic Points- To be read in conjunction with the wiring diagram. MEASUREMENT POINT FLOW COMPONENT CHART SURGE PROTECTOR WATER FLOW CONTROL DEVICE BY-PASS FLOW CONTROL DEVICE REMOTE CONTROL WATER FLOW SENSOR COMBUSTION FAN FLAME ROD MODULATING VALVE OUTGOING THERMISTOR HEAT EXCHANGER OUTGOING THERMISTOR THERMAL FUSE...

  • Page 36: 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 37: Notes

    NOTES...

  • Page 38: Service Contact

    SERVICE CONTACT 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...

  • Page 39: Commissioning Check List

    COMMISSIONING CHECK LIST For full details - Refer to Installation Instructions Attention Installer - have you checked: Gas supply pipe is purged of foreign matter before connection. For Hot and Cold cross connections i.e. Capped breaches/shower mixers, taps closed and reversed ‘Flick Mixer’ connections? That isolating valves are not connected directly to the appliance and there is means of disconnection after the isolating valve?
  • Page 40 (V3232W-UK) U245-2085 Printed in Japan 2004.11 060 00012 39151 0...

This manual is also suitable for:

Infinity 32eInfinity 26eInfinity hd50e

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