MCZ Omega '05 - Manual (Page 39)

PELLET STOVE Chapter 4
INSTALLATION AND USE MANUAL page
38
Operation Technical Service – Rights reserved MCZ S.p.A. – Reproduction prohibited
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4.10. SAFETIES
The stove is fitted with the following safety devices:
•
PRESSURE SWITCH
Monitors pressure in the smoke duct. It is designed to shut down
the pellet feed screw in the event of an obstructed flue or
significant back-pressure (from the wind).
• SMOKE TEMPERATURE SENSOR.
Monitors the temperature of the smoke, and gives permission for
start-up or shuts the stove down when the smoke temperature
falls below the preset value.
• FUEL HOPPER TEMPERATURE SENSOR.
If the temperature exceeds the preset safety level, it immediately
shuts down the running of the stove, and has to be reset manually
before the stove will restart. Take care when carrying out the
operation of resetting it, because if the stove locks out a second
time, it will be necessary to call the technical assistance centre.
• ELECTRICAL SAFETY
The stove is protected against violent surges of current by the
main fuse, which is located on the control panel at the rear of the
stove. Other fuses to protect the electronic boards (main board
and heat-exchanger board) are to be found on the boards
themselves.
• FAILURE OF THE SMOKE EXTRACTION FAN
If the fan stops, the electronic board shuts off the supply of pellets
in good time, and an alarm message is displayed.
• BREAKDOWN OF THE REDUCTION MOTOR
If the reduction motor stops, the stove continues to function until
it has cooled down to the minimum level.
• TEMPORARY POWER OUTAGE
After a brief absence of electrical current, the stove goes to
cooling mode and then comes back on automatically.
• FAILURE TO LIGHT
If no flame develops during the lighting phase, the stove goes into
alarm status.
TAMPERING WITH THE SAFETY DEVICES IS
PROHIBITED
It is only after eliminating the cause which gave rise to the
intervention of the safety system, that it is possible to relight
the stove and thus reset the automatic operation of the
sensor. To understand what sort of problem has arisen, refer
to paragraph 4.11.1 of this manual which explains what to do
based on the kind of alarm message the stove is showing.