Worcester GREENSTAR HIGHFLOW 440CDI ERP Installation, Commissioning And Servicing Instructions

FAULT FINDING AND DIAGRAMS
6720818077 (2016/04) - Greenstar Highflow CDi
ErP
43
7 FAULT FINDING AND DIAGRAMS
7.1 Electrical wiring diagram
T2.5 A, H 230 V
FS FRNPLP
L
N
S
N
L
S LR
ST8
ST9
ST17
ST18
ST5
ST4
ST10
MAINS
SUPPLY
SPARK
TRANSFORMER
FLAME SENSE
ELECTRODE
SPARK
ELECTRODES
FLOW NTC
FLOW
TURBINE
DIVERTER
VALVE
TANK
OVERHEAT
TANK
SENSOR
DHW
SENSOR
ST1
DIAGNOSTIC
INTERFACE
CODE PLUG
Fuse F1, slow
ST6
CH TEMPERATURE
CONTROL
Outside sensor
(Sense control)
External volt free
programmer option
Neutral
Live
Neutral
Live
Colour sequence
7
8
9
B
B
4
2
1
A
F
PRE WIRED LINK
Wall plate contacts
(for Sense controls)
BB
DHW TEMPERATURE
CONTROL
Earth
PUMP SUPPLY
FAN
Colour sequence
EXTERNAL
FROST STAT
(OPTIONAL)
OVERHEAT
STAT
Red
Yellow
Green
Orange
Violet
Blue
Black
Pink
White
Yellow
Red
CONDENSATE
PUMP
HIGH LEVEL
SENSOR
230V HW interface
(Installer Module)
located to the right
of the control panel
External 230V twin
channel programmer
option
NC
NO
C
Red
Orange
Blue
Yellow
Green
Black
CH DHW
WORCESTER 24V CONTROLS
OPTION, PLUG IN POINT
(under blanking cover on fascia)
EMS BUS contacts
(for Sense controls)
NC NO
C
GAS
VALVE
SAFETY
SOLENOID
SAFETY
SOLENOID
PUMP
6720818077-34.1Wo
230V~
Purple
White
Black

Worcester GREENSTAR HIGHFLOW 440CDI ERP Specifications

General

Model	Greenstar Highflow 440CDi ErP
Category	Boiler
Type	Combi
ErP Rating	A
Hot Water Flow Rate	20 l/min
Fuel Type	Natural Gas
Gas Type	Natural Gas
Warranty	5 years
Mounting	Wall Mounted