Rinnai Control-R User Manual
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Rinnai Control-R User Manual

Recirculation with on-demand accessories
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Recirculation with On-Demand Accessories User Guide

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  • Page 1 ENGLISH Recirculation with On-Demand Accessories User Guide...

  • Page 2: Installation Tips

    This manual provides detailed information on Rinnai’s on-demand recirculation accessories; it is designed for field installers and is a supplement to the Control-R™ Wi-Fi Module Installation Manual (supplied inside module package). 1 What is Recirculation? ........3 Recirculation Components ........3 Tankless Water Heaters with Circ-Logic ....
  • Page 3 Circ-Logic is Rinnai’s recirculation technology built into Rinnai Tankless Water Heaters. Circ-Logic defines recirculation patterns that coincide with your hot water usage. Hot water is available when and where you want it with the on-demand recirculation components listed below. Once connected and the Rinnai app is downloaded, the Rinnai Tankless Water Heater can be controlled from the user’s smart phone or tablet.
  • Page 4 Models with Recirculation Capability With Without Internal Pump Internal Pump Circ-Logic is included in Rinnai’s The following models include Circ- SE+ Series featuring Therma- Logic, but require installation of Circ360™ models (Super High an external recirculation pump Efficiency Plus RUR Models): (purchased separately): •...
  • Page 5 The on-demand accessory is activated (push button is pressed, motion sensor activated, etc.) A request (not a command) is sent to the water heater to turn on the pump. In other words, the push button or motion sensor is asking the water heater if the pump can turn on to start recirculation.
  • Page 6 Recirculation with On-Demand Accessories User Guide...
  • Page 7 WILL NOT turn back on. The ON signal is still sent to the water heater for a 5-minute timer. If the dormant period completes with time available on the Control-R™ timer, the pump will activate for those remaining minutes (see example below).
  • Page 8 • Non-RUR models that are equipped with Circ-Logic require installation of an external recirculation pump RUR Models (Include Internal Recirculation Pump) Typical Pump OFF Intervals (Minutes) Rinnai Temperature Setting °F Economy Mode Comfort Mode Recirculation with On-Demand Accessories User Guide...
  • Page 9 Temperature Economy Comfort Comfort mode is recommended with on-demand recirculation accessories as it cycles the pump more frequently, ensuring the loop temperature remains higher. • The push button or motion sensor is activated. • If the water heater accepts the request, the pump runs for five minutes (or until the water temperature is reached) and then turns off.
  • Page 10 Non-RUR Models (External Recirculation Pump Required) Typical Pump OFF Intervals (Minutes) Rinnai Temperature Setting °F Economy Mode Comfort Mode Recirculation with On-Demand Accessories User Guide...
  • Page 11 The table below illustrates pump OFF intervals for units using a crossover valve. IMPORTANT The internal pump in an RUR model runs based on time intervals only and not water temperature (like dedicated return line recirculation systems). Typical Intervals Pump Status Long Loop Mode Short Loop Mode (201—400 Ft)
  • Page 12 Appendix B → Recirculation Settings section. You will need: • On-Demand Accessory and Batteries (supplied with purchase) • Control-R™ Wi-Fi Module • Phillips Head Screwdriver (field-supplied) Additional Items Required for SENSEI™ Water Heaters: • Water Heater Controller Cable (included in water heater packaging) •...
  • Page 13 Connect Module: 1. Unplug water heater power cord from power outlet. 2. Remove water heater front panel (use a Phillips Head screwdriver to remove 4 screws securing the panel). 3. Connect module wires to PC Board located inside water heater by completing steps a, b, and c below.
  • Page 14 c. Connect controller cable to PC Board through grommet portal on bottom, right side of water heater. Insert controller cable through grommet portal Connect cable to PC Board 4. Plug water heater power cord into a power outlet. Recirculation with On-Demand Accessories User Guide...
  • Page 15 Pair Accessory to Module: 5. Wait for module LED to turn RED. While you are waiting, continue with next step. 6. Insert accessory batteries by following the steps below: Push Button Batteries • Press both sides. Then, lift and remove cover.
  • Page 16 Motion Sensor/Temperature Sensor Batteries • Use a Phillips Head screwdriver to remove the front cover. • Insert the supplied battery while pressing down on the accessory Connect button at the same time. Battery type is 2600mAh AA size Lithium-Thionyl Chloride battery (3.6V or 3.7V).
  • Page 17 8. You have five minutes to complete the bullets below: Push Button: • Press and hold down push button. • Push button flashes three times and then rapidly flashes. • Release push button. Motion Sensor and Temperature Sensor: • Press and hold the Connect button on the accessory until the accessory LED quickly flashes.
  • Page 18 10. Activate on-demand accessory (press push button, activate motion sensor, etc.). Module LED quickly blinks GREEN and turns RED. (This signifies communication between on-demand accessory and module.) IMPORTANT: After activating on-demand accessory (pressing push button, activating motion sensor, etc.), DO NOT activate it again until 5-minute timer is complete (as explained in next step).
  • Page 19 Configure Water Heater Settings to Comfort Mode: 12. Press On/Off button on controller to turn OFF water heater. IMPORTANT: Controller MUST be turned OFF for remaining steps to work correctly. 13. Press and hold down A button on PC Board for 1 second. The controller turns ON.
  • Page 20 15. Press On/Off button until appears in display. 16. Press Up arrow until 0 5 A appears in display. 17. Press On/Off button until appears in display. 18. Comfort mode is selected. To select additional parameters, see Appendix B. When parameter settings are complete, press and hold down A button on PC Board for one second to exit parameters.
  • Page 21 19. Replace water heater front panel. COMPLETE REMAINING STEPS ONLY AFTER 5-MINUTE TIMER IS FINISHED FROM STEP 11 ON PAGE 18. 20. Press On/Off button on water heater controller to turn ON water heater. 21. Activate the on-demand accessory (press push button, activate motion sensor, etc.) Module LED blinks GREEN and pump turns on.
  • Page 22 22. Instructions for pairing one on-demand accessory are complete. To pair additional accessories, follow the steps below. Pair Additional On-Demand Accessories • Press On/Off button on water heater controller to turn OFF water heater. • Unplug water heater power cord from outlet and then plug it back in.
  • Page 23 Connect Module: 1. Unplug the water heater power cord from power outlet. 2. Remove water heater front panel (use a Phillips Head screwdriver to remove 4 screws securing the panel). 3. Place the two module wires through the bottom opening of the water heater.
  • Page 24 Pair Accessory to Module: 6. Wait for module LED to turn RED. While you are waiting, continue with next step. 7. Insert accessory batteries by following the steps below: Push Button Batteries • Press both sides. Then, lift and remove cover.
  • Page 25 Motion Sensor/Temperature Sensor Batteries • Use a Phillips Head screwdriver to remove the front cover. • Insert the supplied battery while pressing down on the accessory Connect button at the same time. Battery type is 2600mAh AA size Lithium-Thionyl Chloride battery (3.6V or 3.7V).
  • Page 26 9. You have five minutes to complete the following steps: Push Button: • Press and hold down push button. • Push button flashes three times and then rapidly flashes. • Release push button. Motion Sensor and Temperature Sensor — Press and hold the Connect button on the accessory until the ac- cessory LED quickly flashes.
  • Page 27 11. Activate on-demand accessory (press push button, activate motion sensor, etc.). Module LED quickly blinks GREEN and turns RED. (This signifies communication between on-demand accessory and module.) IMPORTANT: After activating on-demand accessory (pressing push button, activating motion sensor, etc.), DO NOT activate it again until 5-minute timer is complete (as explained in next step).
  • Page 28 Configure Water Heater Settings to Comfort Mode: 13. Press On/Off button on controller to turn OFF water heater. IMPORTANT: Controller MUST be turned OFF for remaining steps to work correctly. 14. On the PC board, adjust switches #4 and #8 in the second (or lower) group of switches (DIPSW 2) to ON.
  • Page 29 COMPLETE REMAINING STEPS ONLY AFTER 5-MINUTE TIMER IS FINISHED FROM STEP 12 ON PAGE 27. 16. Press On/Off button on water heater controller to turn ON water heater. 17. Activate the on-demand accessory (press push button, activate motion sensor, etc.) Module LED blinks GREEN and pump turns on.
  • Page 30 18. Instructions for pairing one on-demand accessory are complete. To pair additional accessories, follow the steps below. Pair Additional On-Demand Accessories • Press On/Off button on water heater controller to turn OFF water heater. • Unplug water heater power cord from outlet and then plug it back in.
  • Page 31 6. Circ-Logic is now reset. 7. You can press a push button, trigger a motion sensor, or use the Rinnai app to start the recirculation pump. 8. If more testing is needed, repeat steps 1-5. Recirculation with On-Demand Accessories User Guide...
  • Page 32 Check out the latest tips and tricks for a successful, stress-free installation. • Additional wiring can run up to 300 feet (91 m) away from water heater (18-22 gauge wire required). • Running cold water through the recirculation line will not force the pump to turn on.
  • Page 33 Q: How many push buttons and motion sensors are supported per each module? Up to 30 on-demand recirculation accessories are supported per module. There is no limit per the type of accessory as long as the total number of accessories do not exceed 30. Q: Is the homeowner’s wi-fi necessary for recirculation with on- demand accessories? No.
  • Page 34 Q: Can I disable Circ-Logic and turn on the recirculation pump with no restrictions? No. Circ-Logic keeps the pump from running when it does not need to. Placing the water heater in Comfort mode will lessen the wait time between pump cycles. If the pump does not turn on, the water in the pipes should already be warm;...
  • Page 35 When trying to connect or disconnect power to the tankless water heater, Rinnai recommends using the water heater power plug instead of using the Reset feature on the module.
  • Page 36 Guidelines: • The module must be installed indoors (including outdoor water heaters). • Mount the module to a wall or side of water heater (with the use of a magnetic backing). This option is for indoor water heaters only. Place the magnetic back side of the module to the side of the water heater.
  • Page 37 Use a level to ensure the slots are even. ❷ Use a power drill to drill pilot holes for the module screws and anchors. ❸ Insert the two wall anchors (supplied) into each hole until they sit flush against the wall. ❹...
  • Page 38 Parameter settings can be set with the water heater turned OFF. IMPORTANT Refer to “Rinnai Tankless Water Heater Installation and Operation Manual” for complete list of water heater parameter settings. 1. Press On/Off button on controller to turn OFF water heater.
  • Page 39 1. Press On/Off button on controller to turn OFF water heater. 2. Press A button on PC Board for 1 second. 3. Press Up arrow until appears in display. 4. Press On/Off button until the following appears in display: • No Recirculation •...
  • Page 40 100000631(1) 11/2018 Recirculation with On-Demand Accessories User Guide...

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