Electrical Wiring Diagram - Worcester 440CDi Instruction Manual

Red
1
Yellow
White
Pink
Red, Yellow, Black
Green
Orange
ST9
Violet
Blue
ST17
External stat
Outdoor
temp NTC
ST19
EMS
bus
Safety
isolation
Norm
closed
230V HW interface
'Installer Module'
Green
Red
Pink
White
Orange
Red, Yellow, Black
Violet
Blue
Yellow
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 219b (09.2008)
ST8
7
8
*
9
ST6
LP FS FR ST4
NP
LZ
Ls
NZ
Ns
ST25
External
External
Frost stat
pump
fan
Primary
Tank Overheat
Tank NTC
Flue
overheat
turbine
Gas
valve
sensor
DHW
NTC

ELECTRICAL WIRING DIAGRAM

Heatronic III
ST10
L N Ns Ls Lr
ST5
L N
230V IN
DHW
CH
Flame
sense
spark
NTC
Primary
overheat
pump
Div-v
High
Level
Condensate
pump
ELECTRICAL WIRING DIAGRAM
* pre-linked
Ignition
transformer
*
230V
Twin
programmer
49