Saunier Duval Xeon 40ff Instructions For Use Installation And Servicing page 32

KEY:
b - BLUE
bk - BLACK
br - BROWN
g/y - GREEN/YELLOW
or - ORANGE
p - PURPLE
r - RED
y - YELLOW
w - WHITE
3-PLUGS
y
3
2
CONTROL
THERMOSTAT
221657C
9 Fault Finding
g/y
r
b
r
bk
y
NC
NO
C
AIR
PRESSURE
SWITCH
CHASSIS EARTH
g/y
g/y
SEQUENCE
BOARD
FUSES
F1 & F2
(F1A)
br
or
b
p
w
y
FULLY PUMPED
OPEN VENTED
FAN
OR SEALED
WATER SYSTEM
ELECTRODE
g/y
w
K2
K1
p
P
PN
b
9
SL
br
L
N
g/y
w
y
OVERHEAT
CUTOFF
32
MULTI-FUNCTIONAL
CONTROL
b
br
Remove red link between
9 and SL when fitting a time
control etc (If no switch is fitted,
link will make the circulation
pump run constantly).
CHASSIS
EARTH
E
CIRCULATON
br
L
PUMP
b
N
r
See Note
br
L
230V~50Hz
b
N
PERMANENT
g/y
MAINS
E
SUPPLY
FUSED
AT 3-AMP
SWITCH CONTROL,
TIME SWITCH,
PROGRAMMER ETC.
(if fitted)
Diagram 9.7