17
0509_2603
6. Electrical diagram
KEY T.RISC
= changing of the Central Heating maximum temperature
GPL
= type of gas connector
A3/A1
1
= timer connector
RISC.
= Central Heating potentiometer
POMP
A
= post-circulation time selection
T-OFF
= Central Heating stand-by time selection
MAX.R
= Central Heating output regulation
COLOUR OF
THE
WIRES
C = Light Blue
M = Brown
N = Black
R = Red
G/V
=
Yellow/Green
B =
White
ROOM THERMOST
AT 230V
TANK’S NTC PROBE
POWER SUPPL
Y
FUSE
CENTRAL HEA
TING PUMP
WINTER-SUMMER-RESET SWITCH
GAS V
AL
VE
IGNITION ELECTRODE
FLAME SENSING ELECTRODE
SAFETY THERMOST
AT
FLUE THERMOST
AT
CENTRAL HEA
TING TIMER JUMPER
STORAGE T
ANK PUMP
TERMINAL BOARD M2
STORAGE T
ANK TIMER JUMPER
CENTRAL HEA
TING NTC PROBE
FAN
GAS PRESSURE SWITCH JUMPER