________________________________________________________________________________
80
AST 14 C 257/00
Legend:
DK
: pressure
transducer
SF:
NTC flue gas 10k Ohm
FL:
flow
switch
MVD:
motorised diverting valve
SS:
NTC DHW probe 10k Ohm
VG:
gas
valve
SRT:
NTC return probe 10k Ohm
P:
boiler circulation pump
TF:
flue gas thermostat
V:
fan
SM1:
NTC heating probe1 10k Ohm
E:
ignition/detection
electrode
SM2:
NTC heating probe2 10k Ohm
6.3 WIRING DIAGRAM
C
onnec
ting w
ir
e
s
t
o
t
he
out
er
t
e
rm
inal
box
1 -
2 -
3…
…
..
22 -
23
