MCZ Athos HYDRO 14 kW - Manual (Page 53)

PELLET STOVES Chapter 4
INSTALLATION AND USE MANUAL page
53
Operation Technical service - Rights reserved MCZ S.p.A. - Reproduction prohibited
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4.12.3.2. Pellet hopper safety thermostat
If the pellet hopper overheats, the stove goes into a safety ALARM
state called “ALAR SIC FAIL”.
The MCZ stoves are provided with two types of safety thermostats:
• manual reset
•
self-reset
If there are two thermostats (see fig. 7 and fig. 8) on the back of the
stove, near the ON button, then the hopper thermostat is a manual
reset thermostat. If, instead, there is only the hopper safety thermostat
on the back panel, then it is self-resetting. (fig.9).
MANUAL RESET THERMOSTAT
With the stove cold, in order to carry out the manual reset, you
must unscrew the cap of the thermostatic probe on the back and
press the red button to reset. You will hear a "click" of the
thermostat. Then put the protection cap back in place. Figure 7 and
8.
SELF-RESETTING THERMOSTAT
In this case the stove is equipped with a self-resetting sensor
which intervenes in case of high temperature.
To cancel the alarm condition, the user must shut down the stove
using the button “5” and wait for the stove body and the hopper to
cool in order to allow the self-resetting of the thermostat (about 20
minutes after the occurrence of the alarm). At this point it is
possible to light the stove again.
4.12.3.3.
Smoke expulsion
• If you see the message “ALAR DEP FAIL”:
check the ENTIRE smoke duct, including the combustion chamber,
to see that they are clean and free of obstructions. (it is
recommended that this operation be conducted by a specialist MCZ
technician).
Only after the cause of the blockage has been permanently
eliminated can a fresh attempt to relight the stove be made.
4.13. SHUTTING THE STOVE DOWN
The stove can be extinguished at any time and in any position.
NEVER SHUT THE STOVE DOWN BY CUTTING OFF THE
ELECTRICITY SUPPLY:
Always leave it to complete the shutdown cycle,
otherwise damage could be caused to the structure,
and also problems with lighting in the future.
To extinguish the stove, press for a few seconds on the key r .
The display (8) will show the message “OFF”. At this moment the
shutdown cycle begins, in which the pellet loading screw stops, while
the smoke extractor and the hot air exchanger remain on until the
temperature of the stove has dropped.
Self-reset
Manual reset