14
STESkW ed 05/06
EOLO Star 23 kW
Technical Documentation
Technical Documentation
The electrical circuit of the EOLO Star 23 kW boiler is man-
aged 100% by a microprocessor driven p.c.b. which controls
the boiler’s functions.
Some of the control and safety devices operate at mains voltage
(230 Vac)
while others at low voltage.
Electrical circuit.
230 V AC circuit.
Safety devices and controls.
It detects burner ignition, being hit by its flame.
It’s connected to the integrated board.
Detection electrode
(E2)
They interrupt power to the circuit when power input is over
3.15 A.
They are mounted on the integrated board.
Line fuse (F1)
Neutral fuse (F2)
Fuse
3.15 AF 250 V
Legend:
B1 - Delivery probe
B2 - D.h.w. probe
CRD - Remote digital control (optional)
DS1 - Display
E1 - Ignition electrode
E2 - Detection electrode
E4 - Safety thermostat
F1 - Line fuse
F2 - Neutral fuse
M1 - Boiler circulator
M20 - Fan
S2 - Functioning button
S3 - Block reset push button
S4 - D.h.w. flow switch
S5 - System pressure switch
S6 - Flue pressure switch
S20 - Room thermostat (optional)
S21 - D.h.w. temperature increase push
button
S22 - D.h.w. temperature decrease push
button
S23 - Central heating temperature
increase push button
S24 - Central heating temperature
decrease push button
T1 - Ignition transformer
T2 - Boiler board transformer
X40 - Room thermostat jumper
Y1 - Gas valve
Y2 - Gas valve modulation coil
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http://serviceimmergas.ro
Содержание EOLO Star 23 kW
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