Safety System - Zhermack FURNACE DE 1 Manuel D'utilisation Et D'entretien

WARNING
7.1
The equipment must not be used with any of its parts disassembled: before using the
equipment make sure that all its components are properly in place.
To ensure that work is done in absolute safety always make sure that you follow the
described procedures with caution.
To provide greater clarity the numbers given in the diagrams in the following
paragraphs correspond exactly to the numbering in Chapter 3 in the "Equipment
Description" section.
SAFETY SYSTEMS
7.2
Operator safety is guaranteed by automatic control and safety devices.
The above-cited safety systems control oven start/stop; in particular:
A. If the oven door is opened while the oven is working the microswitch (F), located centrally
underneath the door aperture, will be tripped.
Pressure on this pin automatically cuts electrical power to the elements, deactivating them.
• The word "Door" and the in-chamber temperature will flash alternately on the display (1).
• re-closure of the door results in restoration of the electricity supply powering the elements.
• real-time in-chamber temperature re-appears on the display (1).
B. The furnace is equipped with a protection system for any overshoot in the temperature value set.
Up to 550°C: if the temperature setting is exceeded for at last 30 seconds, up to 600°C the
following occurs:
• the words "tEmP" and "OFF" start flashing alternately on the display;
• an overheating warning buzzer sounds;
• the cycle in progress is automatically cancelled.
Beyond 600°C the setting need only be exceeded by 50°C for at least 30 seconds for the above to
happen.
Pressing CYCLE (5) deactivates the alarm and the word "OFF" appears on the display (1).
It is advisable to run a check on the programmed data.
You can now re-start the interrupted program.
If, of course, the cause of the alarm is not removed the same problem will occur as soon as the oven
is put back in use.
134 of 260
CHAPTER 7: USING THE EQUIPMENT
MAINTENANCE AND USE MANUAL
EN
FURNACE DE 1 / DE 2 / DE 3