Worcester CDi Combi N.G Service Booklet page 76

APPENDIX
12.5.4 HIGHFLOW CDi APPLIANCES
DHW
SENSOR
SAFETY
Violet
SOLENOID
Blue
SAFETY
SOLENOID
230V TWIN
PROGRAMMER
CH
DHW
L
R
ST10
IGNITION
TRANSFORMER
9V/25 V
230 V
230V/AC
ST1
Fig. 21 Highflow CDi electrical diagram
76
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FAN
FLUE
OVERHEAT
230 V
HW
INTER-
FACE
PUMP
MAINS
SUPPLY
Earth
Colour sequence
*
ST5 ST4
Ls Ns N L
Fuse, slow
2.5 A, AC 230 V
DIAGNOSTIC
INTERFACE
FLAME SENSE
ELECTRODE
Orange or Green
Red
PRIMARY
FLOW NTC
Orange
TANK
OVERHEAT
FLOW
TURBINE
DIVERTER
VALVE
HIGH LEVEL
SENSOR
PUMP
SUPPLY
CONDENSATE
PUMP
EMS
BUS
ST19
B
B
4
ST25
2
1
F
ST6
A
OUTDOOR
TEMP NTC
ST8
ST15
*
ST17
* Pre- linked
Blue
Blue
Violet
Violet
Orange
Orange
Green or Orange
ST9
Pink
Fuse, slow T 0.5 A
Red
Red
Fuse, slow T1.6 A
ST18
CODE
8716115748-08.1Wo
PLUG
8 716 115 748 (2009/09)
SPARK
ELECTRODES
PRIMARY
OVERHEAT