Rinnai REB-KA2024FF User Manual
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Rinnai REB-KA2024FF User Manual

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REB-KA2024FF | REB-KA2529FF | REB-KA3135FF | R331 | RC34
RINNAI GAS BOILER
If the information in this manual is not followed exactly, it could cause property damage, personal injury or loss of life.
So please read it carefully.
Keep this manual for future reference.
Appearance and specification of the project subject to change for quality improvement without notice in advance.

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Summary of Contents for Rinnai REB-KA2024FF

  • Page 1 REB-KA2024FF | REB-KA2529FF | REB-KA3135FF | R331 | RC34 RINNAI GAS BOILER If the information in this manual is not followed exactly, it could cause property damage, personal injury or loss of life. So please read it carefully. Keep this manual for future reference.

  • Page 2: Table Of Contents

    Contents USER Safety Information Room temperature controller Operation CH mode operation Rapid heating DHW mode operation DHW preheating Auto mode operation Outgoing mode operation Reservation mode operation Cleaning & Maintenance Basic troubleshooting...

  • Page 3: Safety Information

    If you smell gas vapor, 1) Close the gas shutoff valve 2) Open the windows and doors 3) Contact the Rinnai service. Use a remotely located phone. If you detect earthquake, fire, gas vapor, noise or irregular smell, turn off the power immediately and close the gas shutoff valve and open the windows and doors.
  • Page 4 Do test the temperature of the water with your elbow before placing your child in the bath. Do make sure that the tap is turned off tightly. Do consider setting your Rinnai condensing at a maximum temperature or 50℃ Do install a child proof tap cover or a child resistant tap.
  • Page 5 Must not attempt to repair, replace or disassemble the boiler. Improper adjustment, alteration, service or maintenance could significantly affect the safety of the product. Contact the Rinnai service or refer the manual if you detect any unusual condition. Must check that a exhaust pipe is properly installed.
  • Page 6 Caution Check the installation condition. The gas boiler should be installed by a qualified installer. Must check the shut-off valve to make sure that it is opened. Check to make sure that the gas shut-off valve is opened. Gas shut-off valve When there is no supply of gas, the boiler would not operate.
  • Page 7 If water pipes are frozen, there would be no supply of hot water. Use a hair dryer or a portable electric heater to unfreeze the water pipes and hot water pipes, and if such emergency measure does not work, contact the Rinnai service. Installation of hot wires on pipes could protect the boiler from freezing.

  • Page 8: Room Temperature Controller

    Room temperature controller Increase the hot Increase the heating water temperature(up) temperature(up) CH mode DHW mode Reduce the hot Decrease the hot Decrease the heating water temperature(down) water temperature temperature(down) Reservation mode Auto mode operation operation Outgoing mode operation Combustion Auto mode operation Eco-Combustion DHW mode operation...

  • Page 9: Operation

    Operation There are two heating modes: Space heating mode and flow temperature mode. Space Heating Mode. The space heating mode is to maintain the indoor temperate at the set temperature while the temperature sensor detects the indoor temperature. When a user sets the indoor temperature, the space heating supply water temperature is set and the boiler starts to operate.

  • Page 10: Ch Mode Operation

    CH mode operation( Press the CH mode button. ( The boiler starts to operate. When the boiler starts to operate, ( ) and ( ) appear on the display. Press (Up) or (Down) button until the (Space temperature) (Flow temperature) desired temperature appears on the display.

  • Page 11: Rapid Heating

    Rapid heating( Press the CH mode button. ( Press both (Up) and (Down) buttons. Display when the Rapid Display when the Rapid heating for the [Indoor heating for the [Floor It’ll be changed to max temperature automatically heating Mode] is on Heating Mode] is on as pictures.

  • Page 12: Dhw Mode Operation

    DHW mode operation( Press the DHW mode button.( Press (Up) or (Down) button until the desired temperature appears on the display. You can adjust the hot water temperature within a range of 35°C to 55°C while hot water is being used, for safety.

  • Page 13: Dhw Preheating

    DHW Preheating( Press the DHW mode button.( Press (Up) or (Down) button until the desired temperature appears on the display. A red signal appears on the display, indicating that preheating is on. Open a DHW faucet or press both (Up) and (Down) buttons again to cancel the DHW Preheating.

  • Page 14: Auto Mode Operation

    Auto mode operation( Press the auto mode button. ( Display when the Auto mode Display when the Auto mode You cannot adjust the heating temperature and for the [Space heating Mode] for the [Flow temperature is on Mode] is on the hot water temperature.

  • Page 15: Outgoing Mode Operation

    Outgoing mode operation( Press the outgoing mode button.( Display when the Outgoing mode Press the outgoing mode button to set the Button is pressed once boiler activation period in CH mode. Press the outgoing mode button to set the heating operation to activate after 4 hours. (You cannot change the heating temperature of the outgoing mode when the outgoing mode is on).

  • Page 16: Reservation Mode Operation

    Reservation mode operation ( Press the CH mode button.( Press the reservation mode button.( Press the reservation mode button to set fixed time slots for heating.( Press the reservation mode button to set fixed time slots as the following. 11hr 12hr Cancel Step...

  • Page 17: Cleaning & Maintenance

    Cleaning & Maintenance Keep the boiler clean at all times. Unplug the boiler prior to cleaning and/or maintenance. Do not wipe the boiler and remote controllers with a wet cloth. Risk of an electric shock or malfunction. Do not use a brush or a polish on the boiler. It could result in discoloration or peeling.
  • Page 18 Cleaning the DHW Inlet Filter(Recommended more a time per year) 1. Unplug the boiler. When the boiler is completely off, start to clean the water inlet filter. 2. Close the water supply valve and then, open the water tap and allow the water drain. (About 1~2L) Be careful since the water could be hot.

  • Page 19: Basic Troubleshooting

    1. Is the air inlet/exhaust blocked? 1. Stop the boiler immediately. exhaust gas 2. Is the air inlet/exhaust pipe not 2. Contact the Rinnai service for maintenance. connected or bended? 1. Is there power to the boiler? Ignition 1. Plug into the outlet with the correct voltage.
  • Page 20 Stop the boiler for up to 30 minutes and then, press the CH Safety circuit malfunction CH & DHW /temperature fuse mode or DHW mode Button. malfunction/overheating When the same condition is repeated, contact the Rinnai service. protection device Check the water supply. CH & DHW Improper water circulation Check to ensure that CH/DHW pipes are not frozen.
  • Page 21 When the same condition is repeated, contact the Rinnai service. Space temperature Contact to Rinnai service agent and change the CH mode to how temperature. manfunction Frozen prevention Press either CH mode or DHW mode button to turn it off and then, /Thermistor turn it on again.
  • Page 22 ver.160217...

This manual is also suitable for:

Reb-ka3135ffR331Rc34Reb-ka2529ff

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