Immergas EOLO Star Manual De Instrucciones página 275

1.11 Circulating pump.
Eolo Star 23 kW series boilers are supplied with a built-in circulating
pump with 3-position electric speed regulator. The first speed is not recom-
Head available at system.
A = Head available on third speed setting (with automatic by-pass)
B = Head available on second speed setting (with automatic by-pass)
Pump release. After a prolonged period of disuse, if the pump is blocked
loosen the front cap and turn the motor shaft using a screwdriver. Take great
care during this operation to avoid damage to the motor.
1.12 Kits available by request.
• System shut-off cock kit (by request). The boiler is arranged for installa-
tion of system shut-off cocks to be fitted on the delivery and return pipes
of the connection assembly. This kit is particularly useful for maintenance
as it allows the boiler to be drained separately without having to empty
the entire system.
• Polyphosphate dispenser kit (by request). The polyphosphate dispenser
limits the formation of scale and preserves the original heat exchange
and domestic hot water production conditions. The boiler is arranged
for application of the polyphosphate dispenser kit.
The above kits are supplied complete with instructions for assembly and
use.
mended due to the low flowrate. To ensure optimal boiler operation, with
new systems (single-pipe and modul) it is advisable to use the circulating
pump at high speed (third speed). The circulating pump is already fitted
with a condenser.
A
B
Flowrate (l/h)
ES
PT
GR
PL
TR
CZ
CS
SI
HU
RU
RO
IE
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