20
FUSE
TR4
TR3
TR2
TR1
TR5
TR6
HEATING
TR4
TR3
TR2
TR1
TR5
TR6
CIRCULATING
PUMP
heating flow
detector
ambient
thermostat
HEATING flow temp. probe
DHW
HEATING return temp. probe
DHW temp. probe
ACS
TA
S.ACS FLUX
S.CAL
IDA RET.
T.AUX
T.EXT
ACS
CALEFACCION
230V~
BOMBA
EXT. TEMP. probe (optional)
R6
R5
R4
R3
R2
R1
TR4
TR3
TR2
TR1
TR5
TR6
TR3
TR4
TR5
TR6
TR2
TR1
R6
R5
R4
R3
R2
R1
K1
models MAC18 have the
six heating elements
of 3000W
HEATING
RESISTANCE
HEATING
DHW
RESISTANCE
DHW
DHW
thermal limiter
PE
L1 L2 L3 N
N~
main switch
heating thermal
limiter
2000W
3000W
2000W
3000W
2000W
3000W
2000W
3000W
2000W
3000W
2000W
3000W
FUSE
CIRCULATING
PUMP
heating flow
detector
ambient
thermostat
HEATING flow temp. probe
HEATING return temp. probe
DHW temp. probe
230V~
BOMBA
Use connecting bridges
when connection is 230V~
single phase!
N
L
PE
230V~
12 WIRING DIAGRAMS