37
Regulation and servicing
fo
r the technician
Electric diagram for
SUPERMASTER 24 SE - 30 SE
C
Pump
CA
Ignition and flame control unit
EA
Ignition electrode
ER
Flame sense electrode
F1
Fuse (2 A)
MOD Modulatore
MPV Flue pressure switch
MV
Fan motor
PSA Low water pressure switch
(contact NA closed = in pressure)
SR
Heating NTC sensor
SS
DHW storage NTC sensor
TA
Voltage-free Contact for Room Thermostat
or Cronothermostat
(for trade) (safety extra low voltage SELV)
TS
Safety thermostat
VD
Motorized deviating valve
(SE) Arrangement for external
sensor (optional)
EVZ1/2/3… Electrovalve
zone 1/2/3…
AUX1/2/3… Auxiliary contact for
EVZ1/2/3…
TAZ1/2/3… Room thermostat
for zone 1/2/3…
Colours
abbreviations:
BK
Black
BN
Brown
BU
Blue
GN
Green
GNYE
Green-Yellow
GY
Grey
OG
Orange
RD
Red
VT
Violet
WH
White