Glow-worm SwiftFlow 125 Instructions For Use Manual page 41

DC
FAN
RESET NVLO
INDICATOR,VIEW
FROM REAR
or
b
b
p
230V-50Hz PERMANENT
MAINS SUPPLY FUSED
AT 3A
Y P G/Y B BR
1 2 3 N (L)
y1 y2 N L
y y
b br
y
or p gry w
WIRING AS
DIAGRAM 4.12A
USER CONTROL
BOARD
Supplied By www.heating spares.co Tel. 0161 620 6677
4 Replacement of Parts
br
b
r
p
1 4 5 6 7 8
IGNITION UNIT
w
or
BOILER
PROTECTION
THERMOSTAT
RESET
NVLO
INDICATOR
THERMISTOR
DHW
THERMISTOR
CH
CENTRAL HEATING
SELECTOR
SWITCH
L
TRANSFORMER
N
b br br
CN3 b
L N
N L CN2A
p
MAINS 230V~ 50Hz
y
TXR
FUSE 2AT
KEY:
br
CN4 w - WHITE
br
b - BLUE
or
bk - BLACK
or
br - BROWN
g/y - GREEN/YELLOW
p
gry - GREY
p
or - ORANGE
v - VIOLET
gry
r - RED
y - YELLOW
p
p - PURPLE
CN5
y
or
MAIN CONTROL BOARD
w
41
screened
GAS VALVE
L N E
gry
gry
BOILER
OVERHEAT
CUT OFF
b
r
FLOW SENSOR
PUMP
WATER C NO
PRESSURE
SWITCH
NC
bk
r
bk
r br b
b
CN2B
gry
p
y
CN7
or
bk
y
bk
CN1
r
gry
gry
r
w
CN8
bk
w
r
w
FAN
gry
DRIVER
BOARD
b
y
g
gry p or y
p
CHASSIS
EARTH G/Y
g/y
g/y
g/y
CONTROL
HOUSING
Diagram 4.11
221474C