Ariston micro GENUS Type C Руководство по установке - Страница 18
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3.6
C
A
OMBUSTION
3.7
F
D
UME
ISCHARGE
M
ONITORING
3.8
B
S
OILER
AFETY
NALYSIS
S
The boiler is fitted with the following devices (see section 3.2 for references).
YSTEMS
1 - I
2 - C
3 - O
4. L
The flue connector has two apertures,
taken for the temperature of the combustion by-products
and of the combustion air, as well as of the concentrations
of O
and CO
2
To access these intakes it is necessary to unscrew the front
screw and remove the metal plate with sealing gasket.
The best test conditions, with the maximum heating power,
are achieved by turning the selector knob "C" to the "max"
position and removing the electrical connection to the heating
sensor (see section 6.).
FU008A
In the boiler, it is possible to monitor the correct operation of
the flue exhaust/air intake, checking for a loss of general
pressure in the system. Through the use of a differential
manometer connected to the test points of the combustion
chamber, it is possible to detect the P of operation of the air
pressure switch.
The value detected should not be less than 0,55 mbar for
23kW and 0.75 mbar for 27kW under conditions of maximum
thermal power in order for the boiler to function properly and
without interruption.
FU009A
F
:
GNITION
AILURE
This control signals an ignition failure on the burner 7 seconds after a
lighting failure. The L.E.D. "F" will illuminate to signal the shutdown
status.
The system can be reset by pressing and releasing the button "H" after
checking to make sure that the gas cock is open.
F
:
IRCULATION
AILURE
This control signals that the safety pressure switch on the primary
circuit has not sensed a pressure of at least 1 bar within 40 seconds of
the activation of the circulation pump; the circulation pump comes to a
halt and the red L.E.D. "J" illuminates.
The system may be reset, after re-establishing the correct level of
pressure in the boiler, turning the "A" knob.
:
VERHEATING
This control shuts off the boiler in the case where the primary circuit
reaches a temperature in excess of 105°C.
The red L.E.D.s "I" and "F" will illuminate to signal this shutdown
status.
The system can be reset by waiting a few minutes for the primary
exchanger to cool down and then by pressing and releasing the "H"
button.
B
-
:
IMESCALE
UILD
UP
The boiler is equipped with a device that limits the formation of
Limescale in the secondary exchanger by controlling the temperature of
the domestic hot water (max 61°C) and also controlling the temperature
of the water in the primary heating circuit.
18
, etc.
.
2
readings can be