Bosch WORCESTER Danesmoor Utility Regular 2022+ 25/32 - Logic for the 535 SE;LD RDB control box

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Fault finding and diagnosis

Greenstar Danesmoor Utility

2022+

and Utility System

2022+

- 6 721 846 263 (2022/01)56

8.4 Logic for the 535 SE/LD RDB control box

Main Page

Table of Contents2
Key to Symbols and Safety Instructions3
Key to Symbols3
General Safety Instructions3
Installation Regulations5
Complying with the Building Regulations5
Appliance Information6
General Information6
Technical Data6
Energy Efficiency7
Layout and Components - 18/25 System Appliance Shown8
Layout and Components - 18/25 Regular Appliance Shown10
Pre-Installation11
Cleaning Primary Systems11
Before Cleaning the System11
Flushing the System11
Inhibitor11
Artificially Softened Water11
Mains Supply11
Electrical Supply11
Oil Supply12
Single Pipe Gravity Feed System12
Double Pipe Sub-Gravity Feed System12
Single Pipe Suction Lift with De-Aerator12
Pipework13
Boiler Isolation Valve13
Water Systems and Pipework13
Condensate Discharge15
Condensate Pipe Work15
Internal Connections15
External Connections16
Pressure Relief Pipework17
Boiler Locations and Clearances17
Flue Gas System Considerations19
Combustion Air Quality19
Flue Terminal Positions19
Flue Options22
Conventional Flue (CF)22
Room Sealed Flue Options23
4.10 Plume Management24
Installation26
Unpacking the Boiler26
Pipework Positions and Flue Opening27
Boiler Installation29
Flue Installation29
Flue Damper Installation30
Installation Notes30
Combustion Chamber (18/25 Regular Shown)31
Pipework Connections32
Oil Burner and Pump33
Refitting Components34
Electrical35
Commissioning40
Pre-Commissioning Checks - 18/25 Regular Shown40
Filling the System40
Water Treatment41
Starting the Appliance41
Single Pipe Gravity Feed System41
Double Pipe Sub-Gravity Feed Systems and Single Pipe Suction Lift with De-Aerator41
Pump Adjustments42
Burner Head Setting42
Boiler Lockout Indicator on43
Combustion Checks43
Central Heating45
Finishing Commissioning45
Hand over46
Appliance Guarantee46
Service and Spares47
Inspection and Service - 18/25 Regular Shown47
Pre-Service Checks47
Service Requirements48
Sealed System Only48
Clean the Burner48
Oil Burner Nozzle48
Pump Filter49
External Oil Filter49
Combustion Chamber - 18/25 Regular Shown49
Oil Supply System and Tank50
Clean the Boiler - Manifold Access50
Re-Commissioning the Burner51
After Service Hand over52
Spares52
Fault Finding and Diagnosis53
Burner Functions53
Heating and Hot Water54
Boiler Function55
Logic for the 535 SE/LD RDB Control Box56
Riello Control Box 12/18 Model57
Fault Finding57
Flame Sensing Photocell 12/18 Models59
Flame Sensing Photocell 18/25 and 25/32 Models59
Oil Supply Vacuum Testing59
Air Pressure Switch and Flue Overheat Reset59
Air Pressure Switch Connections59
Oil Appliance Commissioning Checklist60
Service Interval Record61

Bosch WORCESTER Danesmoor Utility Regular 2022+ 25/32 - Logic for the 535 SE;LD RDB control box

Table of Contents

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