12.5 Electrical Wiring Diagrams - Worcester CDi Combi N.G Service Booklet

12.5 ELECTRICAL WIRING DIAGRAMS

12.5.1 CDi COMBI APPLIANCES
SAFETY Black
SOLENOID
Black
SAFETY
SOLENOID
Earth
230 V ROOM STAT/
PROGRAMMER
CH TEM-
PERATURE
CONTROL
L Ls Ns
R
ST10
SPARK
TRANSFORMER
9V/25 V
230 V
230V/AC
DIAGNOSTIC
ST1
INTERFACE
Fig. 18 CDi combi electrical diagram
8 716 115 748 (2009/09)
Supplied By www.heating spares.co Tel. 0161 620 6677
FAN
FLUE
OVERHEAT
STAT
Red
Orange
DHW PUMP
SENSOR
MAINS
SUPPLY
PUMP
SUPPLY
Colour sequence
ST5
N L
Fuse, slow
2.5 A, AC 230 V
230 V EXTERNAL
FROST STAT
(OPTIONAL)
FLAME SENSE
ELECTRODE
Orange or Green
Orange
FLOW NTC
DIVERTER
VALVE
Red
Orange
PUMP
Blue
Yellow
CONTROL
Green
Black
White
Black
Purple
DHW
TEMPERATURE
CONTROL
B
B
4
ST6
2
ST4
ST19
1
F
ST8
A
Red
Orange
Blue
ST17
Yellow
Green
Black
Black
Black
Black
Black
Red
Red
ST9
Orange or Green
Black
Black
Black
Fuse, slow T 0.5 A
Orange
Orange
Orange
Orange
Fuse, slow T1.6 A
White
Black
Purple
ST18
CODE
PLUG
APPENDIX
SPARK
ELECTRODES
HEAT
EXCHANGER
OVERHEAT
STAT
FLOW
TURBINE
Black
6 720 612 485-01.1O
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