Baxi Potterton BBU 15 HE manual Boiler Internal Wiring, Boiler Internal Illustrated Wiring Diagram

Page 20

6.0Boiler Internal Wiring

6.1Boiler Internal Illustrated Wiring Diagram

Central Heating

NTC Flow Sensor

gr gr

Overheat Thermostat

Discharge Float

Switch

Safety Float

Switch

bk

bk

b

r

1

4

2

bk

X900

X300

gr

gr

bk

bk

bk

X400

9 8 7 6 5 4 3 2 1

X401

10 9 8 7 6 5 4 3 2 1

br

b

5

 

bk

g

3

Fan

 

 

 

1

 

 

 

2

 

b

g/y

 

 

 

 

 

br

 

 

Control PCB

X501

X500

1

2

1

2

3

4

X1

 

X2

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

X9

5

1

2

3

4

5

6

7

8

9

 

X3

 

 

 

 

 

 

 

 

r

Condensate Pump

 

 

 

 

b

 

 

 

b y

 

 

 

bk

br

 

 

 

 

 

 

 

 

 

 

 

 

 

br

 

 

 

 

br

 

bk

 

 

 

 

 

 

 

b

bk

 

 

 

 

 

 

 

 

 

ON/OFF

 

b

br

 

 

 

 

 

 

 

 

 

 

 

 

 

b

 

 

 

 

 

br

 

Reset

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

b

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

b

 

br

 

 

 

 

 

 

b

 

3

 

 

Spark

 

 

br

 

N

 

 

 

b

a

 

 

 

 

Generator

 

 

1 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

r

r

 

 

 

 

 

 

bk

 

 

 

 

 

b

 

 

 

 

 

 

 

y

 

 

 

 

 

 

 

Ignition

 

 

 

 

 

 

 

Electrode

 

 

 

 

 

 

 

 

N 3

1 2

Mains Input (Permanent Live to 3, Switched Live to 1)

b

y

bk

bk

Gas Valve

br

- brown

g

- green

bk

- black

g/y

- green / yellow

b

- blue

r

- red

w

- white

gr

- grey

y

- yellow

 

 

20© Baxi Heating UK Ltd 2009

Page 19 Page 21
Image 20
Page 19 Page 21
Contents
Baxi Bermuda BBU 15 HE 0086 Installer Notification Guidelines Scheme Members onlyCodes of Practice, most recent version should be used Important Installation, Commissioning, Service & RepairLegislation Safe Manual Handling Contents Description ContentsIntroduction General Layout Layout FigFlue Kit 10m & 12.5m a Technical Data Bermuda HE Cbbu 15 HESystem Details Water Circulating SystemsTreatment of Water Circulating Systems There is a drain cock supplied in the plumbing kitStorage Systems PipeworkSystem Controls Sealed Systems Figs , 7 Sealed Systems Site Requirements Builders Opening FigLocation Fireplace Opening & SurroundFlue No Horizontal Runs are PermittedVentilation Gas Supply FigElectrical Supply Fig Electrical Connection Gas ConnectionCondensate Drain General Condensate Disposal FigTotal volume of the sump is 1.5 litres Condensate DisposalCondensate Pump Operation From Boiler 500mm MinBoiler Internal Wiring Boiler Internal Illustrated Wiring DiagramFlue System InstallationInitial Preparation Barb ‘C’ Clip Air Cowl Air Duct Collar Ribs Terminal Cap Siting the Boiler Water ConnectionsGas Connection Electrical ConnectionCommissioning the Boiler Completion & CommissioningCompletion Test Point Annual Servicing Annual ServicingAnnual Servicing Inspection Electrode Assembly Fig Changing ComponentsChanging Components Spark Generator FigFan Fig Burner FigSpark Generator Plug Electrode Fan Injector Burner Spark Generator Plug Gas Feed Pipe InjectorInjector Gas Valve Earth Wire Gas Valve FigSafety Thermostat Fig Float Switches FigPCB Fig NTC FigFlue Sampling Point Display Control Knobs Setting the Gas ValveSetting the Gas Valve CO2 check Error Codes Fault FindingInitial Fault Finding Checks Error 110 flashing Burner lights Press the Service ResetSwitch for 5 seconds Go to section ‘A’Clean condensate drain system X2 connector, is 230V AC acrossTerminals 1 Voltage at PCB X2 connector is Spark gap and position Check wiringReplace Safety Thermostat Replace flame sensing electrode13.0 Short Parts List Short Parts ListPage Page Page GAS Boiler System Commissioning Checklist Service Record Date Energy Efficiency Checklist completed?Warranty & Service Serial Number Date of InstallationInstaller Details name, address and contact numbers After Sales Service 0844 871