Ariston STI 125 INDIRECT Manual de instruções de instalação - Página 17
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4.7
B
S
OILER
AFETY
4.8
D
S
RAINING THE
Supplied By www.heating spares.co Tel. 0161 620 6677
S
The boiler is fitted with the following devices (see section 4.2 for references).
YSTEMS
1 - I
GNITION
This indicates ignition failure when a flame is not detected within 7 seconds of
starting an ignition sequence. The L.E.D. "F" will illuminate to signal the
shutdown status.
The system can be reset by pressing and releasing the button "E" after
checking to make sure that the gas cock is open.
2 - I
NSUFFICIENT
In the event of insufficient water pressure in the heating system, a safety device
will shutdown the boiler. Check the system pressure on the pressure gauge "J"
and if it is less than 0.4 bar refill the system to 1.5 bar. Once the system
pressure is at the correct level the boiler will ignite automatically.
3 - O
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. "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 "E" button.
4.
A
NTI
The boiler is equipped with a device that, in the event of the water temperature
going below 6°C, the burner ignites at the minimum power until the boiler water
reaches a temperature of 16°C.
This device operates only if the boiler is functioning perfectly and:
- the system pressure is sufficient;
- the boiler is powered electrically - L.E.D. "B" illuminated;
- the gas is turned on.
5 - E
XHAUST
The boiler is fitted with safety devices, which in the event of defective discharge
of exhaust fumes, automatically interrupts the gas supply, thereby shutting off
the boiler.
The shutdown of the boiler is temporary and when the discharge state of
exhaust fumes has returned to normal, the boiler automatically turns back on
The heating system must be emptied as follows:
YSTEM
- Turn off the boiler;
- Attach a hose pipe and open the drain valve;
- Empty the system at the lowest points (where present). When the heating system
is unused for an extended period of time, it is recommended that you add
antifreeze
heating lines and radiators if the ambient temperature drops below 0°C during the
winter.
This makes repeated draining of the entire system unnecessary.
F
:
AILURE
S
P
:
YSTEM
RESSURE
:
-
:
FROST DEVICE
D
A
S
ISCHARGE
NOMALY
HUTDOWN
with
an
ethylene
17
:
glycol
base
to
the
water
in
the