USER’S INFORMATION MANUAL I-Series Condensing Boiler Wall-Mounted, Gas-Fired Solo Boiler Central Heating SOLO MODELS i060S i090S i120S i150S (REB-A1800FF-US) (REB-A2600FF-US) (REB-A3500FF-US) (REB-A4400FF-US) Certified to ANSI Z21.13 and CSA 4.9 WARNING • • • If the information in these instructions are not followed exactly, a fire or explosion may result causing property damage, personal injury, or death.
1. Safety 1.1 Safety Symbols 1.2 Safety Precautions 1.3 Gas Operating Instructions 2. About the Boiler 2.1 Front View 2.2 Bottom View 2.3 Control Panel 2.3.1 Control Panel Features 2.3.2 Display Window 2.3.3 Pressure and Temperature Display 3. Operating the Boiler 3.1 Turning the Boiler On or Off 3.2 Change Units of Measurement 3.3 Change Control Panel Sounds 3.4 Change Child Lock Function 3.5 Adjust the Central Heating Temperature 3.5.1 Sequence of Operation for Central Heating Temperature 3.5.
1 WARNING • If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury, or death. This manual contains the following important safety symbols. Always read and obey all safety messages. • Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. Safety alert symbol. Alerts you to potential hazards that can kill or hurt you and others.
Please read and follow the safety precautions listed below. DANGER WARNING Should overheating occur or the gas supply fail to shut off, do not turn off or disconnect the electrical supply to the pump. Instead, shut off the gas supply at a location external to the appliance. Gas shut off valve WARNING • Visually inspect the entire exhaust vent and intake system. Look closely for blockages, deterioration, leaks or any other type of damage to the system. Repair any joints that show signs of leakage.
WARNING • • • Check the water pressure in the central heating installation regularly. See the “Rinnai I-Series Condensing Boiler Installation and Operation Manual” for specific glycols, inhibitors, and system cleaners permitted. Contact your installer in case of doubt. Do not use this boiler if any part has been under water. Immediately call a qualified service technician to inspect the boiler and to replace any part of the control system and any gas control which has been under water.
FOR YOUR SAFETY READ BEFORE OPERATING WARNING: If you do not follow these instructions EXACTLY, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance does not have a pilot. It is equipped with an ignition device which automatically lights the burner. Do not try to light the burner by hand. B. BEFORE OPERATING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor.
5 2 The I-Series Condensing Boiler is a wall-mounted, gas-fired boiler designed to provide heating to the building with the ability to connect an indirect tank for DHW production. For complete boiler information, refer to the “Rinnai I-Series Condensing Boiler Installation Manual” supplied with the boiler, or visit rinnai.us.
All items are field-supplied unless otherwise noted.
❽ ❶ MODE ❼ ❷ ❸ Eco ❾ ❿ ❹ ❺ ❻ ❶ MODE ❹ Central Heating From the factory, this option is turned off by default. The boiler runs off thermostat inputs on the control board. For any adjustments, contact a trained and qualified professional for setting assistance. Adjustments must be made by a trained and qualified professional for this mode to operate correctly. Selects various boiler settings. ❷ Up/Down Arrows Scrolls through available menu options including adjusting the temperature.
When the boiler is turned on, the main screen (also called the home screen) appears in the display. ❶ ❷ ❸ ❹ ❺ ❻ ❿ ❼ ❽ ❾ ❶ ❷ Maintenance Mode Icon ❻ Freeze Protection Active Appears when the boiler is in Parameter Settings Mode, Deaeration Mode, Performance Data Mode, Error History Mode, etc. ❼ Unit of Measurement for Temperature Eco Setting Active ❽ Unit of Measurement for Pressure Note: Pressure and temperature are alternately displayed on the controller.
The boiler will display the current pressure or temperature as shown below. If the boiler is in standby and the CH ON and Indirect Tank ON buttons are not illuminated, the current system pressure will display. 20 PSI When the boiler is in CH operation and CH standby (CH icon is displayed), the current pressure and the CH supply temperature will alternately display.
5 3 This section includes instructions for starting and operating the boiler. WARNING Do not use an extension cord or adapter plug with this appliance. Connect power to the boiler by plugging it into a power outlet. The controller will light up and is now ready to be set for CH or DHW (if using an Indirect Tank).
To change the units of measurement appearing on the boiler display, follow the steps below. To turn the control panel click sound on or off, follow the steps below. 2: On MODE MODE Eco Eco Press the Mode button. 1: F Press the Mode button twice. 2:on should appear on the display. Press the Up or Down arrows to select ON or OFF. MODE Eco 2:Off MODE Press the Up or Down arrows to select a unit. • • F = U.S. Measurements (°F/PSI) C = Metric (°C/bar) 1:F Eco Press the Select button.
To turn the child lock function on or off, follow the steps below. 3: OFF NOTE • • • When Child Lock is enabled, the only function available is to turn off Central Heating (by pressing the Central Heating button on the controller); this occurs only if DIP switch 2 is set to the ON position. See the “DIP Switches” section in the “Rinnai I-Series Condensing Boiler Installation and Operation Manual” for more information.
To adjust the CH setpoint temperature, follow the steps below. 180°F IMPORTANT When outdoor reset control activates, the target supply temperature for the CH system will not follow the CH setting temperature. 20 PSI MODE Eco Press the Select button to confirm the temperature. This temperature setting is displayed for a few seconds and then returns to standby mode. MODE Eco Press the Switch Operation Mode button until the Central Heating Active button appears on the home screen.
WARNING Only adjust the target setpoint temperature of the system by consulting with the installer of the system or other qualified professionals. If the target setpoint temperature is adjusted too high for the heat emitters in use, property damage may occur. The CH target setpoint temperature can be set in 2°F (1°C) increments between 104°F-180°F (40°C-82°C). Factory Default: 140°F Below are some typical target temperatures for various heat emitters.
The boiler can operate in either of two settings: • A room thermostat • The CH button being activated 178°F MODE Below is the sequence of operations for starting central heating via the room thermostat (default): 20 PSI Eco When the boiler ignites, the In Use icon is illuminated. MODE Eco 20 PSI MODE In room thermostat mode, the CH button does not affect heating operation. Operation is only possible with a call for heat from the room thermostat.
If the boiler installer selected to begin central heating by pressing the CH button, below is the sequence of operations appearing on the controller: 178°F MODE Eco 20 PSI MODE When the boiler ignites, the In Use icon is illuminated. Eco Press the CH button to begin operating the CH system. 20 PSI MODE Eco 80°F MODE Eco The CH Active icon is displayed and the LED above the CH button is illuminated. 18 Press the CH button again to stop CH operation.
Central Heating Eco mode is a gas saving function available on the I-Series Solo boilers. Eco Mode (Default) Comfort Mode To reduce the amount of gas used in CH operation, Eco mode will turn the space heating off for five minutes at random intervals. The boiler will operate via a call for heat from the thermostat or the CH button, depending on the selection made on DIP Switch 2. This mode will use more gas but will provide a more consistent home heating temperature.
The appliance can change the indirect tank set point temperature at the boiler controller when the indirect tank is connected to the boiler PC Board. This is only applicable when using the indirect tank thermistor. 140°F MODE Eco 20 PSI MODE Adjust the temperature with the Up or Down arrows until the appropriate temperature is displayed. Eco Press the Indirect Tank button, if the LED is not illuminated above it. If it is, proceed to step 2.
4 WARNING Consumers should never attempt any action that they are not qualified to perform. If you believe the boiler is not operating as designed, check possible reasons from the list below. If an Error Diagnostic Code appears, contact a local Service Provider. Is the target setpoint temperature of central heating appropriate for your application? (Refer to the “Target Setpoint Temperatures” table in section 3.5 of this manual.
The CH button does If the boiler is set up for CH via a room thermostat, the CH button will not work to operate the boiler. not work. The Indirect Tank button does not work. The Indirect Tank is not set up in Settings. Contact a service provider for assistance. After the power is out or the power plug is pulled out, the setpoint temperature has changed. The setpoint temperature may change after the boiler has had power restored. The setpoint temperature will need to be entered again.
When the boiler detects an error or unexpected performance, a diagnostic code will display on the controller and a beeping sound will generate. Contact a qualified service provider whenever a diagnostic code shuts down the boiler.
To reset a diagnostic code, press the Central Heating or Indirect Tank button on the control panel. Note: Some diagnostic codes may not reset by pressing the CH or Indirect Tank buttons. In these cases, contact your service provider for troubleshooting assistance. E:100 MODE Eco When an error code repeats itself, or if the error cannot be reset by following the above steps, contact a qualified licensed professional.
5 WARNING • • • • • Maintenance is required to maintain safe operation of the boiler. The boiler must be inspected annually by a licensed professional. Repairs and maintenance shall be performed by a licensed professional. The licensed professional must verify proper operation after servicing. Keep the boiler area clear and free from combustible materials, gasoline, and other flammable vapors and liquids.
Freeze Protection Operation When the boiler detects low outdoor ambient temperatures, the boiler will begin its freeze protection operation. The freeze protection operation can protect the boiler from freezing down to as low as –22°F (-30° C) outdoor ambient temperature. When freeze protection is in operation, the pump may circulate water and/or the boiler may dry fire to prevent the boiler from freezing. Ensure power and gas are supplied to the boiler for freeze protection to function.
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