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Bosch 28i RSF Installation And Servicing Instructions

Wall mounted combination boiler for central heating and mains fed domestic hot water.
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28i RSF
INSTALLATION AND
SERVICING INSTRUCTIONS

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   Summary of Contents for Bosch 28i RSF

  • Page 1

    28i RSF INSTALLATION AND SERVICING INSTRUCTIONS...

  • Page 6

    All dimensions in mm All dimensions in mm All dimensions in mm...

  • Page 8

    NOTE:...

  • Page 11

    PUMP GAS VALVE...

  • Page 18

    1. Electrical Connections Cover 2. Pump 3. Cap...

  • Page 19

    Note:...

  • Page 23

    Note:...

  • Page 27

    1. Central Heating Mode EITHER AUTOMATIC START-UP SEQUENCE PASS PRESENT PRESENT FAIL ABSENT ABSENT...

  • Page 28

    2. Domestic Hot Water Mode 3. "Autofrostat" Function 4. Pump Overrun Function 6. Central Heating ramp control 5. Over run Function...

  • Page 29

    LOW VOLTAGE PUMP ELECTRONICS (Microcontroller) GAS VALVE ROOM STAT FULL SEQUENCE CONTROLLER MAINS PROGRAMMER/CLOCK...

  • Page 40

    This manual is to be used in conjunction with the variant part number of the bar code below: Worcester Heat Systems Limited (Bosch Group), Cotswold Way, Warndon, Worcester WR4 9SW. Telephone: (01905) 754624. Fax: (01905) 754619. Technical Helpline (08705) 266241.

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