66
925.916.2 - GB
InstructIons pertaInInG to the InstaLLer
25. IllustrateD wIrIng DIagram
FAN
230 V ROOM TEMPERA
TURE
THERMOST
AT PROGRAMMABLE
OUTPUT
MAINS
POWER
TERMINAL
BOARD
SAFET
y
THERMOST
AT
FLAME DETECTION
ELECTRODE
GAS V
AL
VE
CENTRAL HEA
TING
TEMPERA
TURE
SENSOR
OUTSIDE SENSOR
CONNECTION
IGNITER
IGNITION
ELECTRODE
H
y
DRAULIC
DIFFERENTIAL
PRESSURE SWITCH
FLUE
SENSOR
THREE W
Ay
VAL
VE
PUMP
FUSES
QAA73 CONNECTION
ROOM
THERMOST
AT
SAFETY
SHUT
-DOWN
DOMESTIC HOT
W
ATER
THANK
SENSOR
230
V - 50Hz
PWM PUMP
PWM PUMP
Cable colours
c
= Light Blue
M
= Br
own
n
= Black
r
= Red
G/V
=
yellow/Gr
een
B
= White
0806_1101 / CG_2037
NTC
CENTRAL HEA
TING
RETURN
SENSOR