13 fault finding – Glow-worm Energy Saver Combi 2 and Gas Valve User Manual
Page 29
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221854B
9054
Schematic Wiring Diagram
13 Fault Finding
Diagram 13.1
KEY
Red r
Black b
Blue bl
Brown br
Green gr
Yellow y
Green/Yellow g/y
White wh
Orange or
Grey gy
Red/White r/wh
Blue/White bl/wh
g/y
g/y
g/y
br
bl
bl
br
Ribbon cable
X8
X7
FLOW N.T.C.
THERMISTOR
RETURN N.T.C.
THERMISTOR
HOT WATER N.T.C.
THERMISTOR
OUTSIDE
SENSOR
P.C INTERFACE
CONTROL PANEL
AUTOMATIC CONTROL MODULE
FLAME IGNITION AND
IONISATION ELECTRODE
THREE WAY
VALVE
RESISTOR
220
Ω
/ 7W
230V/50Hz
WHITE
MAINS PLUG
CHASSIS
EARTH POINT
BLACK LOW
VOLTAGE PLUG
Room thermostat
Clock/timer
Frost thermostat
GAS CONTROL
VALVE ES80
PUMP
INTERNAL
FUSES
X1-1
X4
X1-2
X1-3
X1-4
X1-5
F1=2AF
X2-1
F3=3A
T
F2=2AF
X2-2
X2-3
X2-4
X2-5
X2-6
X3-1
b
b
gr
r
b
bl/wh
r/wh
*
Do NOT connect
to these terminals
*
b
y
br
X3-2
X3-3
X3-4
X3-5
X3-6
X2-7
X2-8
X2-9
X2-10
X2-11
X2-12
X2-13
b
b
1 gr
3 gr
D.C. FAN
AIR
PRESSURE
SWITCH
bl
r/wh
br
y
bl
r
GAS
CONTROL
VALVE
ES100
wh
bl
r
b
or
wh
gr
r
r/wh
gy