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7217402.01 - en
INSTRUCTIONS FOR FITTERS
36. WIRING DIAGRAM
DOMESTIC HOT
W
ATER NTC
PROBE
HYDRAULIC
PRESSURE SWITCH
NTC HEA
TING
SENSOR
FUMES
THERMOST
AT
SAFETY THERMOST
AT
FLAME SENSING
ELECTRODE
IGNITION
ELECTRODE
GAS V
AL
VE
THREE-W
AY V
AL
VE
HEA
TING
CIRCUIT PUMP
THERMOST
AT
MAINS POWER
SUPPL
Y
POWER SUPPL
Y TERMINAL BLOCK
FITTING FOR EXTERNAL
PROBE
DHW CIRCUIT PUMP
Cable colours
C =
Light blue
M =
Br
own
N =
Black
R =
Red
G/V =
Yellow/Gr
een
B =
White
V =
Gr
een
CG_2322 / 1311_0701