Three-Way Anti-Block Function; Radiators Anti-Freeze Function; Yearly Appliance Check And Maintenance - Immergas HERCULES Solar 26 1 A Instruction Booklet And Warning

PL
1st Level 2nd Level
CZ
PAR 1
HU
PAR 2
RO
SOLAR
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IE
PAR 4
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SK
PAR 6
PAR 7
3.9 "CHIMNEY SWEEP FUNCTION"
If this function is activated it takes boiler
functioning to the adjustable power of the
central heating selector switch. In this state all
adjustments are excluded and only the safety
thermostat and the limit thermostat remain
active. To activate the chimney sweep press the
Reset button "C" for a time between 8 and 15
seconds in absence of domestic hot water and
heating requests. Its activation is signalled by
the relative symbol (22 Fig. 2-1). This function
allows the technician to check the combustion
parameters. After the checks deactivate the func-
tion, switching the boiler off and then on again
using the Stand-by button.
3.10 PUMP ANTI-BLOCK FUNCTION.
The boiler has a function that starts the pump at
least once every 24 hours for the duration of 30
seconds in order to reduce the risk of the pump
becoming blocked due to prolonged inactivity.
3.11 THREE-WAY ANTI-BLOCK
FUNCTION.
Both in "domestic hot water" (DHW ON) and
in "domestic hot water-central heating" phase
(DHW ON - CH ON) the boiler is equipped with
a function that starts the three-way motorised
group 24 hours after it was last in operation,
running it for a full cycle so as to reduce the risk
of the three-way group becoming blocked due to
prolonged inactivity.
3.12 RADIATORS ANTI-FREEZE
FUNCTION.
If the system return water is below 4°C, the boiler
starts up until reaching 42°C.
3.13 P.C.B. PERIODICAL SELF-CHECK.
During functioning in central heating mode or
with boiler in stand-by, the function activates
every 18 hours after the last boiler check/power
supply. In case of functioning in domestic hot wa-
ter mode the self-check starts within 10 minutes
after the end of the withdrawing in progress, for
duration of approx. 10 seconds.
N.B.: during self-check, the boiler remains off.
146
CONFIGURATIONS menu (M5)
(password must be entered)
Options
Solar operating mode.
0 = Disabled
1 = Solar active with automatic pump
0 ÷ 3
2 = Solar active with continuous pump
3 = Solar active with automatic pump (CH integration cannot be activa-
ted on this boiler)
∆T Enabling differential.
1 ÷ 20K Collector pump.
∆T Disabling differential.
1 ÷ 20K Collector pump.
Anti-freeze function.
0 ÷ 1 0 = Deactivated
1 = Active
100°C ÷ 200°C Maximum temperature accepted by the collector
60°C ÷ 95°C Maximum temperature accepted by the storage tank
10°C ÷ 90°C Minimum temperature accepted by the collector
3.14 AUTOMATIC VENT FUNCTION.
In the case of new central heating systems and
in particular mode for floor systems, it is very
important that dearation is performed correctly.
To activate the "F8" function, press buttons "B
and C" at the same time (Fig. 2-1) for 5 seconds
with boiler in stand-by. The function consists in
the cyclic activation of the pump (100 s ON, 20
s OFF) and the 3-way valve (120 s domestic hot
water, 120 s heating). The function ends after 18
hours or by switching the boiler on using the
ignition button "
3.15 YEARLY APPLIANCE CHECK AND
MAINTENANCE.
The following checks and maintenance should
be performed at least once a year.
- Clean the flue side of the heat exchanger.
- Clean the main burner.
- Check correct ignition and functioning.
- Check correct calibration of the burner in do-
mestic hot water and central heating phases.
- Check correct functioning of control and
adjustment devices and in particular:
- the intervention of main electrical switch on
the boiler;
- system control thermostat intervention;
- domestic hot water control thermostat inter-
vention.
- Check sealing efficiency of the gas circuit and
the internal system.
- Check intervention of the device against no gas
ionisation flame control:
- check that the relative intervention time is
less than 10 seconds.
- Visually check for water leaks or oxidation
from/on connections and traces of condensate
residues inside the sealed chamber.
- Check, by means of the condensate drain cap,
that there are no residues of material blocking
the flow of condensate.
- Check contents of the condensate drain trap.
- Visually check that the water safety drain valve
is not blocked.
- Check that, after discharging system pressure
and bringing it to zero (read on boiler manome-
ter), the expansion vessel factory-set pressure
Description
is at 1.0 bar.
- Check that the domestic hot water expansion
vessel load is at a pressure between 3 and 3.5
bar.
- Check the charge of the solar DHW expansion
vessel according to system requirements.
- Check that the system static pressure (with
system cold and after refilling the system by
means of the filler cock) is between 1 and 1.2
bar.
".
- Visually check that the safety and control
devices have not been tampered with and/or
shorted, in particular:
- temperature safety thermostat;
- system pressure switch;
- Check integrity of the storage tank Magnesium
anode.
- Check the condition and integrity of the elec-
trical system and in particular:
- electrical power cables must be inside the
- there must be no traces of blackening or
- Check the cleanliness of the solar collector
glass.
- Check the status of the glycol present in the
solar circuit.
- Control the heat carrying liquid every 2 years
for its anti-freeze capacity and pH value.
N.B.: on occasion of periodical maintenance of
the appliance it is appropriate also to check and
perform maintenance on the heating and solar
system, in compliance with that indicated by the
regulations in force.
Value set
Default
by the tech-
value
nician
1
6
4
0
140
80
10
whipping;
burning.