Immergas MINI EOLO 24 3E, Instruction And Warning Book

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20
INS
TALLER
US
ER
MAINTEN
AN
CE TECHNI
CI
AN
2.4 USING THE BOILER.
Before ignition make sure the heating system
is filled with water and that the manometer (7)
indicates a pressure of 1 ÷ 1.2 bar.
- Open the gas cock upstream from the boiler.
- Press the button (2) until the display switches
on, after which press the button in sequence
(2) and take the boiler to the summer ( )
or winter ( ) position.
•
Summer
( )
:
in this mode the boiler
functions only to produce the DHW, the
temperature is set via the buttons (3-4) and the
relative temperature is shown on the display via
the indicator (16).
• Winter
( )
:
in this mode the boiler functions
both for producing domestic hot water and
heating the environment. The temperature of
the DHW is always regulated via buttons (3-4),
the heating temperature is regulated via buttons
(5-6) and the relative temperature is shown on
the display via the indicator (16).
From this moment the boiler functions
automatically. With no demand for heat (heating
or domestic hot water production) the boiler
goes to “standby” function, equivalent to the
boiler being powered without presence of flame.
Each time the burner ignites, the relative flame
present symbol is displayed (10) with relative
output scale.
•
Operation with Comando Amico Remoto
V2
(CAR
V2
) (Optional)
. If the CAR
V2
is connected,
the ( ) symbol will appear on the display.
The boiler regulation parameters can be set
via the CAR
V2
control panel and the reset
button (1) remains active on the boiler control
panel, along with the switch-off button (2)
(“off” mode only) and the display where the
functioning state is shown.
Attention: if the boiler is put into "off" mode,
the “ERR>CM” connection error symbol
will appear on the CARCAR
V2
. The CAR
V2
is
however powered constantly so as not to loose
memorised programs.
• Operation with optional external probe
( ) . In the case of a system with optional
external probe, the boiler flow temperature
for room central heating is managed by the
external probe depending on the external
temperature measured (Par. 1.6). The flow
temperature can be modified by selecting
the functioning curve via buttons (5 and 6),
selecting a value from "0 to 9" (Fig. 1-6).
With external probe present, the relative
symbol (12) will appear on the display. In the
central heating phase, if the temperature of the
water contained in the system is sufficient to
heat the radiators, the boiler can only function
with the activation of the pump.
• “Stand-by” mode. Press button (2) in
succession until the ( ) symbol appears.
The boiler remains active from this moment
and the anti-freeze function, pump anti-block
function and 3-way and signalling of any
anomalies is guaranteed.
N.B.:
in these conditions the boiler is
considered still powered.
•
“Off” mode.
By holding the button (2) down
for 8 seconds, the display switches-off and the
boiler is off completely. The safety functions are
not guaranteed in this mode.
N.B.:
in these conditions the boiler is considered
still live even if there are no functions active.
• Display functioning. The display lights up
during the use of the control panel, after 15
seconds inactivity, the brightness drops until
just the active symbols are displayed. The
lighting mode can be varied via parameter P2
in the circuit board customisation menu.
2.5 FAULT AND ANOMALY SIGNALS.
The boiler signals out anomalies by flashing on
the display and relative error codes, listed on the
table, are displayed.
Anomaly signalled
code
displayed
(flashing)
No ignition block 01
Safety thermostat block
(overheating), flame control
anomaly
02
Fan anomaly 03
Generic boiler P.C.B. anomaly 04
Flow probe anomaly 05
Domestic hot water probe
anomaly
06
Maximum N° of reset 08
Insufficient system pressure 10
Flue pressure switch failure 11
Configuration error 15
Parasite flame 20
Push button control panel
anomaly
24
Insufficient circulation 27
Loss of remote control
communication.
31
Low power supply voltage 37
Loss of flame signal 38
Block due to loss of
continuous flame signal
43
Attention: the Anomaly can be reset 5 times
consecutively, after which the function in
inhibited for at least one hour. One attempt is
gained every hour for a maximum of 5 attempts.
By switching the appliance on and off the 5
attempts are re-acquired.
Ignition block. The boiler ignites automatically
with each demand for room heating or hot
water production. If this does not occur within
10 seconds, the boiler goes into ignition block
(code 01). To eliminate “ignition block” the Reset
button (1) must be pressed. On commissioning or
after extended downtime, it may be necessary to
eliminate the “ignition block”. If this phenomenon
occurs frequently, contact a qualified technician
for assistance (e.g. Authorized After-Sales
Technical Assistance Service).
Overheating thermostat block.
During normal
functioning, if a fault causes excessive overheating
internally, the boiler goes into overheating block
(code 02). After allowing to cool, eliminate the
"overtemperature block" by pressing the Reset
key (1). If this phenomenon occurs frequently,
contact a qualified technician for assistance (e.g.
Authorized After-Sales Technical Assistance
Service).
Fan anomaly. This occurs if the fan is blocked
or if the intake or drain pipes are obstructed. If
normal conditions are restored the boiler restarts
without having to be reset. If this anomaly
persists, contact a qualified technician for
assistance (e.g. Authorized After-Sales Service).
Generic boiler P.C.B. anomaly.
This happens
when a signal is incorrectly recognised by
the boiler P.C.B. microprocessor (code 04).
To eliminate “boiler P.C.B. generic anomaly
block” the Reset button (1) must be pressed.
If this phenomenon occurs frequently, contact
a qualified technician for assistance (e.g.
Authorized After-Sales Technical Assistance
Service).
Delivery probe anomaly.
If the board detects
an anomaly on the delivery probe (code 05), the
boiler will not start; contact a qualified technician
for assistance (e.g. Authorized After-Sales
Technical Assistance Service).
Domestic hot water probe anomaly. If the board
detects an anomaly on the domestic hot water
NTC probe, the boiler signals the anomaly. In this
case the boiler continues to produce domestic
hot water but not with optimal performance.
Moreover, the DHW anti-freeze function is
prevented and an authorised technician must
be called (e.g. Authorized After-Sales Service).
Maximum N° of reset.
Number of allowed resets
that have already been used.
Insufficient system pressure. Water pressure
inside the heating system (code 10), sufficient to
guarantee the correct functioning of the boiler,
is not detected. Check that the system pressure
is between 1÷1.2 bar.
Flue gas pressure switch failure. It occurs in the
case of an error on the circuit board that gives
consent for fan start-up incorrectly or in the
case of flue-gas pressure switch fault (code 11). If
normal conditions are restored the boiler restarts
without having to be reset. If this anomaly
persists, contact a qualified technician for
assistance (e.g. Authorized After-Sales Service).
Configuration error.
If the board detects an
anomaly or incongruency on the electric wiring,
the boiler will not start. If normal conditions are
restored the boiler restarts without having to be
reset. If this anomaly persists, contact a qualified
technician for assistance (e.g. Authorized After-
Sales Service).
Parasite flame. This occurs in case of a leak on
the detection circuit or anomaly in the flame
control unit.(code 20), try to reset the boiler.
If the anomlay continues contact a qualfied
technician (e.g. Authorized After-Sales Technical
Assistance Service).
Push button control panel anomaly.
This occurs
when the P.C.B. detects an anomaly on the push
button control panel. If normal conditions are
restored the boiler restarts without having to be
reset. If this anomaly persists, contact a qualified
technician for assistance (e.g. Authorized After-
Sales Service).