31
2000225231B
9 Fault Finding
Diagram 9.6
KEY:
b
- BLUE
bk
- BLACK
br
- BROWN
g/y - GREEN/YELLOW
or
- ORANGE
p
- PURPLE
r
- RED
y
- YELLOW
w
- WHITE
FAN
r
r
y
C
NO
NC
CHASSIS EARTH
SL
N
L
9
L
230~50Hz
MAINS
SUPPLY
FUSED
AT 3-AMP
Pump must be wired into central
heating system remote controls
and not to control box
Yellow link fitted to bridge out the
overheat cutoff
b
g/y
E
N
g/y
K1
K2
ELECTRODE
PN
5859
GRAVITY DOMESTIC
HOT WATER AND
PUMPED CENTRAL
HEATING
b
bk
AIR
PRESSURE
SWITCH
g/y
g/y
CHASSIS
EARTH
g/y
w
p
or
y
br
b
y
w
y
OVERHEAT
CUTOFF
MULTI-FUNCTIONAL
CONTROL
br
2
Ensure RED LINK connected
between 9 and SL.
r
3-PLUGS
FUSES
F1 & F2
(F1A)
SEQUENCE
BOARD
P
3
w
p
y
CONTROL
THERMOSTAT
b
