Immergas EOLO Star 23 kW User Manual

14
STESkW ed 05/06 EOLO Star 23 kW
Technical DocumentationTechnical Documentation
e 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)
ey interrupt power to the circuit when power input is over
3.15 A.
ey 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

Immergas EOLO Star 23 kW Specifications

General

Output Power	23 kW
Efficiency	93.5%
Weight	32 kg
Mounting	Wall-mounted
Max Operating Temperature	85°C
Ignition	Electronic
Heat Exchanger Material	Stainless Steel
Fuel Type	Natural gas
Water Pressure	0.3 - 6 bar