Worcester Greenstar FS 42CDi Regular User Manual

FAULT FINDING
& DIAGRAMS
INSTALLATION & SERVICING INSTRUCTIONS
45
ELECTRICAL WIRING DIAGRAM
8 716 115 216b (09.2008)
ELECTRICAL WIRING DIAGRAM
230 V
9V/25 V
230V/AC
ST9
ST18
ST5
ST10
L
NLs NsL
R
ST8
Earth
MAINS
SUPPLY
PUMP
CONTROL
PUMP
PUMP
SUPPLY
IGNITION
TRANSFORMER
FLAME SENSE
ELECTRODE
SPARK
ELECTRODES
PRIMARY
FLOW NTC
PRIMARY
OVERHEAT
FAN
Colour sequence
Colour sequence
Red
Red
FLUE
OVERHEAT
Orange
Violet
Violet
Blue
Blue
EXTERNAL
WIRING CENTRE
Y or S PLAN
ST1
DIAGNOSTIC
INTERFACE
CODE
PLUG
Fuse, slow
2.5 A, AC 230 V
Fuse, slow T 0.5 A
Fuse, slow T1.6 A
ST6
6 720 612 485-01.1O
SAFETY
SOLENOID
SAFETY
SOLENOID
Orange
Red
Orange or Green
Green or Orange
Orange
ST25
EXTERNAL
Violet
Blue
Orange
CONDENSATE
PUMP
EXTERNAL
STAT
*
*
*
linked
Pre-
Pink
ST19
B
B
2
4
F
1
A
HIGH LEVEL
SENSOR

Worcester Greenstar FS 42CDi Regular Specifications

General

Model	Greenstar FS 42CDi Regular
Category	Boiler
Output Rating	42 kW
Fuel Type	Natural Gas
Efficiency Rating	A
Max Operating Pressure	3 bar
Type	Regular
Warranty	5 years