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Rinnai REU-KBM3237FFUDHD-E Service Manual

Rinnai REU-KBM3237FFUDHD-E Service Manual

Continuous flow water heater

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Service Manual
REU-KBM3237FFUDHD-E
HDC 1600i Low NOx
REU-KBM3237WDHD-E
HDC 1600e Low NOx
Continuous Flow Water Heater

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Summary of Contents for Rinnai REU-KBM3237FFUDHD-E

  • Page 1 Service Manual REU-KBM3237FFUDHD-E HDC 1600i Low NOx REU-KBM3237WDHD-E HDC 1600e Low NOx Continuous Flow Water Heater...
  • Page 2: Service Instructions

    STOP Do not attempt to Service this appliance if you are not qualified. This can void the warranty. This manual must be read in its entirety before Servicing the appliance. If you are unsure of any point contact Rinnai UK...
  • Page 3: Table Of Contents

    CONTENTS Service Information Page 4 Service Procedure Page 5-6 Gas Pressure Setting Page 7-8 Dip Switch Setting Page 9 Temperature Setting Page 10 Contact Information Page 12...
  • Page 4: Service Information

    SERVICE  All Rinnai products should be Serviced at least once a year. The correct service kit should be acquired before commencing the service.  The service kit will include all gaskets you may need.   If you do not use the correct service kit and any gaskets or seals are broken in the course of inspection the appliance in question has to be shut down until the damaged gasket or seal is replaced.
  • Page 5: Service Procedure

    SERVICE Service Procedure The service of the HDC1600 Series is fairly straight forward and should take approximately no longer than 30 minutes. Please ensure you have an Electrode kit for this model as this is required at least every 12-24 months depending on the usage. Follow the steps below.
  • Page 6 Isolate the water supply and check the Water Inlet Filter on the cold connection to the water heater. The service on the Rinnai Water Heater is now complete however please carry out full checks of the system and flue system to ensure both of these are functioning correctly. If there is a fault on either of these two systems this could affect the correct operation of the appliance.
  • Page 7: Gas Pressure Setting

    Contact Rinnai before attempting to alter the gas pressure if you are unsure of what to do. Incorrect adjustment can void the warranty.
  • Page 8 GAS PRESSURE SETTING 10. Move switch No. 8 of SW1 to 'ON' position (Fig. 3). 11. Push the PCB board switch A for one second (Fig. 4). 12. Calibrate “forced low” combustion using switch A (up) and B (down) as required. Internal External Short flue...
  • Page 9: Dip Switch Setting

    DIP SWITCH SETTING LEGEND: Switches Explained Black Section indicates Model choiceA-1 position of dip switch. Temperature selection OFF ON OFF ON Gas TypeA-1 Gas TypeB-1 Forced Combusiton Switches Explained Model choiceA-2 Model choiceB-1 Recirculation Mode Interval time to ON of Recirculation Mode Commercial setting Gas TypeA-2...
  • Page 10: Temperature Setting

    TEMPERATURE SETTING...
  • Page 12: Contact Information

    CONTACT UK LTD. 9 Christleton Court Manor Park Runcorn Cheshire WA7 1ST Tel. 01928 595959 Fax. 01928 531880 E-mail. engineer@rinnaiuk.com Web. www.rinnaiuk.com...

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