Position Of Wired Components - Worcester 29CDi Classic Installation, Commissioning And Servicing Instructions

INSTALLATION
4.8

POSITION OF WIRED COMPONENTS

PRE WIRED LINK
GAS
VALVE
SAFETY
SOLENOID
SAFETY
SOLENOID
Earth
230V
EXTERNAL
Neutral Supply
CONTROLS
Live Supply
OPTION
Live Return
CH TEMPERATURE
CONTROL
L
R
ST10
SPARK
TRANSFORMER
230V~
ST1
Fig. 43
30
† Fan wiring:
Live = purple
Neutral = brown
FAN
FLUE
OVERHEAT
STAT
DHW
SENSOR
MAINS
SUPPLY
Colour sequence †
ST5
L N N L
S
S
Fuse F1, slow
SI1
2.5 A, AC 230 V
EXTERNAL
FROST STAT
(OPTIONAL)
WORCESTER 24V CONTROLS
OPTION, PLUG IN POINT
(under blanking cover on fascia)
DIAGNOSTIC
INTERFACE
FLAME SENSE
ELECTRODE
FLOW NTC
PUMP
CONTROL
PUMP
PUMP
SUPPLY (for FX/Sense controls)
DHW TEMPERATURE
CONTROL
B
B
4
2
ST4 1
FR FS NP LP
A
F
ST6
ST8
ST17
EMS BUS contacts
(for FX/Sense controls)
ST9
ST18
CODE PLUG
SPARK
ELECTRODES
OVERHEAT
STAT
DIVERTER
VALVE
FLOW
TURBINE
Wall plate contacts
B B
Outside sensor
(FW 100)
Red
Orange
Blue
Yellow
Green
Black
Yellow
Grey
Blue
Black
Red
Red
Grey
White
Black
Orange
Orange
Orange
Orange
White
Black
Purple
6 720 815 725-20.1O
6 720 815 725 (2015/05)