66
925.224.3 - EN
INSTRUCTIONS PERTAINING TO THE INSTALLER
33.3 - 240 i
FEEDING POWER
GRID
SAFETY
THERMOST
AT
IGNITION
ELECTRODE
3-W
AY V
AL
VE
CENTRAL
HEA
TING NTC SENSOR
AIR
PRESSURE SWITCH
ROOM
THERMOST
AT
FLAME SENSING ELECTRODE
W
ATER PRESSURE SWITCH
DHW
PRIORITY SENSOR
PUMP
DHW NTC
SENSOR
FEEDING TERMINAL BLOCK
GAS V
AL
VE
CABLES COLOURS
C=
light blue
M=
br
own
N=
black
R=
re
d
G/V=
yellow/gr
een
B=
white
V=
gr
een
0610_2703
CONNECTION FOR EXTERN
AL
SENSOR PR
OBE
(SEE SECTION 25)