Immergas 3.020928, Инструкция и рекомендации

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20
INS
TALLER
US
ER
MAINTEN
AN
CE TECHNI
CI
AN
2.4 USING THE BOILER.
Attention: the Maior Eolo X 28 boiler has been
designed to operate as an appliance for room
central heating only or, coupled with a specific
optional kit, for central heating and the produc-
tion of DHW. For this reason the boiler control
panel has a button to adjust the temperature of
DHW, but its operation is only activated by the
optional kits that also enable the production of
DHW. Without the combination of these specific
kits, the operation of this button and all functions
referring to the DHW are inhibited.
Before ignition make sure the heating system
is filled with water and that the manometer (2)
indicates a pressure of 1 ÷ 1.2 bar.
- Open the gas cock upstream from the boiler.
- Press the button (3) until the display switches
on. The boiler now returns to the state prior to
switch-off.
- If the boiler is in stand-by, press the button (3)
again to activate it. If this is not the case, go to
the next point.
- Then press the button (4) in sequence and set
the boiler in the summer ( ) or winter (
) position.
•
Summer
( )
:
in this mode the boiler only
works to produce DHW (when the boiler is
connected to the external storage tank unit) ; the
temperature is set via the selector (2) and the
relative temperature is shown on the display
via the indicator (17).
During a request for DHW the indicator (16)
switches on. Upon ignition of the burner, the
flame presence indicator (11) with relative
power scale switches on and the indicator (17)
shows the instant outlet temperature from the
primary heat exchanger.
• Winter ( ) : in this mode, the boiler works to
produce DHW
(when the boiler is connected to
the external storage tank unit) as well as central
heating. The temperature of the DHW is always
regulated via the selector (2), the heating tem-
perature is regulated via selector (1) and the
relative temperature is shown on the display
via the indicator (21).
During a request for CH the indicator (12)
switches on. Upon ignition of the burner, the
flame presence indicator (11) with relative
power scale switches on and the indicator (21)
shows the instant outlet temperature from the
primary heat exchanger. 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 boiler pump (indicator 12 on).
From this moment the boiler functions automati-
cally. With no demand for heat (central 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 (11) 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
(5) remains active on the boiler control panel,
along with the switch-off button (3) (“off ”
mode only) and the display where the function-
ing state is shown.
Attention: If the boiler is put into "off" mode,
the “ERR>CM” connection error symbol will
appear on the CAR
V2
. The CAR
V2
is however
powered constantly so as not to loose memo-
rised programs.
•
Solar operating mode ( ).
This function
cannot be activated on this boiler model.
• Domestic hot water priority function (
). Pressing the Boost button (6) disables the
D.H.W. priority function, which is indicated
by the symbol (20) switching off on the display.
The disabled function keeps the water con-
tained in the storage tank at a temperature of
10°C for 1 hour, giving the functioning priority
to room central heating.
Attention: in the event of switching to the
Stand-by/Off mode, with subsequent ignition
(Summer/Winter) the D.H.W. priority function
becomes active again.
• 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 selector (1), selecting a
value from "0 to 9" (Fig. 1-6).
With external probe present, the relative
symbol (19) 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 (3) 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 still
powered.
•
“Off” mode.
By holding the button (3) down
for 8 seconds, the display switches-off and the
boiler is off completely. The safety functions are
not guaranteed in this mode.
IMPORTANT NOTE:
in these conditions the
boiler is considered still live even if there are
no functions active.
• Display operation. The display lights up dur-
ing the use of the control panel or if the burner
is ignited, after 15 seconds of inactivity, the
brightness drops until only the active symbols
are displayed. The lighting mode can be varied
via parameter P2 in the P.C.B. programming
menu.