Bosch Appliances 24I RSF manual Operational Flow Diagrams, Central Heating Mode

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17. Operational Flow Diagrams

1. Central Heating Mode

End of a domestic

Escape pause by

hot water overrun

resetting the mains

 

electricity supply

 

OFF-ON

Operating Switch

 

(or programmer)

 

and room

 

thermostat on

 

Anti-cycle delay

Main gas valve

OFF

 

Central heating

Operating Switch

temperature 5¡C

(or programmer)

above set point

OFF

 

EITHER

6

 

Room thermostat

OFF

Gas valve OFF

CENTRAL HEATING

Water flow

temperature

DEMAND

monitored by central

 

heating sensor

Internal

Pump on

"Autofrostat"

 

demand

 

24

AUTOMATIC START-UP SEQUENCE

YES

Is fan in

NO

Air pressure PASS

overrun mode?

 

switch test

 

 

FAIL

AUTOMATIC

Burner pressure

START-UP

1.0 mbar for 60

seconds.

SEQUENCE

 

Initiate

sparking

Fan ON

Sense air

Main valve

pressure

opens

 

PRESENT

ABSENT

Burner pressure

automatically

adjusted for range

rating and then

modulated to

maintain set flow

temperature

Stop

sparking

Sense flame

ABSENT

CENTRAL

HEATING

DEMAND

SATISFIED

PRESENT

Continue

pump overrun for 6 secs pump pulse after

2 miniutes.

Fan overrun

4 minutes

Wait (pump on

in central

heating mode)

Wait

(fan or fan and

pump on)

Ignition Time -

Ignition

out (after 9secs)

Lock-out

Wait

(fan or fan and

pump on)

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Contents 24i RSF These Instructions Apply in the UK onlyContents Installation RegulationsGeneral Information General Installation Safety ConsiderationsElectrical Supply PackingData Tables Appliance casing dimensions and required clearances Siting The ApplianceSiting The Flue Air SupplyPosition AIR from AIR Direct Terminal PositionSealed System Open Vent SystemHot Water Supply Room thermostat connectionsSafety Check ElectricalMains Supply Functional flow diagram Installing The Appliance Flue OptionsGeneral Fitting AIR and Flue Duct Preparation and Assembly Appliance pipework connectionsStandard flue assembly Internal Fitting of the Duct Assembly Flue BendsFinal Installation Vertical AdapterCommissioning The Appliance SummaryAppliance and Central Heating System Preparation Programmer Appliance OperationCompletion of Commissioning Inspection And Service PRE-SERVICE InspectionInstructions To The User ServicingService of Components Dismantle the ApplianceTest the Appliance Replacement Of Parts Component AccessComponent Replacement Draining the ApplianceSpark electrode assembly Water Flow Switch. Side View Conversion Instructions Gauze FilterOperational Flow Diagrams Central Heating ModeDomestic Hot Water Mode Fault Finding GO to Check D Check C GO to Check F Check EGO to Check O GO to Check KFaulty GO to Check GO to Check LThermistor Check GO to Check G Check E GO to Check MGO to Check N White & Brown APS OKModulating Valve Check Component Parts List 1210 Bosch Group

24I RSF specifications

Bosch Appliances has long been a leader in the home appliance market, known for its innovation, reliability, and cutting-edge technology. One of the standout products from Bosch is the 24I RSF, a highly regarded model that exemplifies the brand’s commitment to quality and performance in home kitchen solutions.

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