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Bosch Singular 4000 User Manual
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Bosch Singular 4000 User Manual

Gas condensing combi boilers
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User Manual
Gas Condensing Combi Boilers
Singular
Singular 4000 | Singular 5200
WARNING:
If the information in these instructions are not followed exactly, a fi re or explo-
sion may result causing property damage, personal injury or death.
WARNING:
Do not store or use gasoline or other fl ammable vapors and liquids in the vicinity
of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
— Do not try to light any appliance.
— Do not touch any electrical switch; do not use any phone in your building.
— Immediately call your gas supplier from a neighbor's phone. Follow the gas
supplier's instructions.
— If you cannot reach your gas supplier, call the fire department.
WARNING:
Improper installation, adjustment, alteration, service or maintenance can cause
property damage, personal injury (exposure to hazardous materials)* or loss of
life. Refer to the user's information manual provided with this boiler. Installation
and service must be performed by a qualifi ed installer, service agency or the gas
supplier who must read and follow the supplied instructions before installing,
servicing, or removing this boiler. This boiler contains materials that have been
identifi ed as carcinogenic, or possibly carcinogenic, to humans.
This boiler must be installed in accordance with local, state, and federal codes.
In the absence of such requirements, then to the latest edition of the National
Fuel Gas Code, ANSI Z223.1./NFPA 54. In Canada, installation must be in
accordance with the requirements of CAN/CSA B149.1, Natural Gas and
Propane Installation Code.

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  • Page 1 User Manual Gas Condensing Combi Boilers Singular Singular 4000 | Singular 5200 WARNING: If the information in these instructions are not followed exactly, a fi re or explo- sion may result causing property damage, personal injury or death. WARNING: Do not store or use gasoline or other fl ammable vapors and liquids in the vicinity of this or any other appliance.
  • Page 2 User Manual Singular Combi Boiler - BTC 439003302 A (2021/03)

  • Page 3: Table Of Contents

    User Manual Table of Contents 1 Key to Symbols and Safety Instructions 1.1 Key to Symbols 1.2 Safety 2 Front Panel 2.1 Digital Display and Icons 2.2 Buttons 3 Operating the Boiler 3.1 Turning the Boiler On or Off 3.2 Setting the Space Heating Temperature 3.3 Setting the DHW (Domestic Hot Water) Temperature 3.4 Viewing Basic Information 3.4.1 H0 mode...

  • Page 4: Key To Symbols And Safety Instructions

    User Manual 1 Key to Symbols and Safety Instructions 1.2 Safety Please read before proceeding 1.1 Key to Symbols Warnings WARNING: FIRE, EXPLOSION  Vapors from flammable liquids can explode and/or catch fire Warnings in this document are identifi ed by a causing death or severe burns.
  • Page 5 User Manual WARNING: HAZARDOUS VOLTAGE WARNING: PERSONAL INJURY, PROPERTY DAMAGE  Do not remove the front cover unless the power to the boiler  Do not operate the boiler if you suspect something might be is turned off or disconnected. wrong with it.

  • Page 6: Front Panel

    User Manual 2 Front Panel 2.2 Buttons Using the buttons on the front panel, you can turn the boiler on or off , adjust the 2.1 Digital Display and Icons water temperature, and change modes to monitor the operation status. Refer to the The digital display and icons on the front panel provide important information table below for detailed information.

  • Page 7: Operating The Boiler

    User Manual 3 Operating the Boiler 2. Press the buttons until the desired temperature appears on the digital display. 3.1 Turning the Boiler On or Off To turn the Boiler on or off , press the button. Figure 5 Figure 3 When the boiler is on, the water temperature which has been set recently will Temperature range Adjusting the water temperature...

  • Page 8: Setting The Dhw (Domestic Hot Water) Temperature

    User Manual 3.3 Setting the DHW (Domestic Hot Water) Temperature 3.4 Viewing Basic Information To turn the boiler on, press the button. WARNING:  Water above 120°F (50°C) can cause instant scalding, severe burns, or death. To adjust the water temperature: 1.

  • Page 9: H0 Mode

    User Manual 3.4.1 H0 mode 3.4.3 H2 mode  This is the mode for checking the previous error.  This is the mode for checking the current error.  H0 and the previous error (example: A6) will be displayed repeatedly on ...

  • Page 10: H4 Mode

    User Manual 3.4.5 H4 mode 3.4.7 H6 mode  This is the mode for checking the current number of revolutions of the fan.  This is the mode for checking the current exhaust gas temperature.  H4 and the current number of revolutions of the fan (Example : 3600) will ...

  • Page 11: H8 Mode

    User Manual 3.4.9 H8 mode 3.4.11 HA mode  This is the mode for checking the current ambient temperature.  This is the mode for checking the hot water and heating modes.  H8 and the current ambient temperature (example: 25) will be displayed ...

  • Page 12: Inspection And Maintenance

    User Manual 4 Inspection and Maintenance 4.1 Draining the Boiler To perform maintenance tasks or to prevent the boiler from freezing when it will not Annual service and maintenance is required for the safe and long service life of the be used for an extended period, the boiler must be drained.
  • Page 13 User Manual 5. Remove the boiler front cover by loosening the 2 Phillips screws securing it to the case. Figure 26 8. Close the drain valve when the water is completely drained. 9. Remove the cold water inlet fi lter. 10.

  • Page 14: Cleaning The Cold Water Inlet Filter

    User Manual 4.2 Cleaning the Cold Water Inlet Filter To clean the cold water inlet fi lter: 1. Drain the boiler. Refer to " Draining the Boiler        " on page 12. 2. Remove the cold water inlet fi lter from the boiler. Figure 27 3.

  • Page 15: Protecting The Boiler From Freezing

    This is not a Frequency Task manufacturing defect, and therefore, Bosch will not warrant any damage due to freezing. The installer is responsible  Check that the area where the boiler is installed is free of for ensuring that there is sufficient make-up air to avoid combustible/flammable material and air-contaminants.
  • Page 16 User Manual WARNING:  Follow the service and maintenance procedures given throughout this manual and in component literature shipped with the boiler. Failure to perform the service and maintenance could result in damage to the boiler or system.  Failure to follow the directions in this manual and component literature could result in severe personal injury, death, or substantial property damage.

  • Page 17: Troubleshooting

    User Manual 5 Troubleshooting 5.1 Basic Problems If there is a problem with the boiler, refer to the following table for possible suggested below do not resolve the problem, contact an authorized technician, remedies. For minor problems, turning the boiler off and then turning back on may licensed professional, or technical support at 1-866-642-3198.

  • Page 18: Error Codes

    5.2 Error Codes If an error code appears on the digital display, refer to the following chart for the reason, and a possible remedy for the situation. If the situation requires more support please contact Bosch at 866-642-3198. Error Code Cause Self-diagnosis/Action 1.
  • Page 19 User Manual | 19 Singular Combi Boiler - BTC 439003302 A (2021/03)
  • Page 20 United States and Canada Bosch Thermotechnology Corp. 65 Grove St. Watertown, MA 02472 Tel: 866-642-3198 Fax: 603-965-7581 www.bosch-thermotechnology.us BTC 439003302 A / 03.2021 Bosch Thermotechnology Corp. reserves the right to make changes without notice due to continuing engineering and technological advances.

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Singular 5200

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