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Insignia
Related Technical Explanation
R1
R1 Relay LED turns on when energized ( usual operational relay)
R2
R2 Relay LED turns on when energized
MN
Turns on when Controller is in Manual mode (normally off)
SN
Turns on at increments of 1 secs when a program is running
Key : Used to return to beginning of a menu, to return Mains Menu or transition
between manual control mode and programmable mode.
Please note that, if you press " ” key only once in a certain menu it takes you
to beginning of that menu.
if you press " " key continuously in a certain menu it takes you to main menu.
if you press “ " key continuously in programmable control mode it takes you
to "manual control mode"
if you press " " key continuously in manual control mode it takes you to
"programmable control mode"
Please check Section D.
Key: Used to proceed to next parameter
▲
Key: Used to either to increase a value or to activate a function .
▼
Key: Used to either to decrease a value or to inactivate a function
2.2
Heating Elements
Labnics employs Kanthal originated heating elements in furnaces.
2.2.1
Wire elements
The basic advantages of Kanthal APM and Kanthal A1 quality elements are:
1.
High creep resistance at high temperatures.
2.
High resistance against corrosive atmospheres..
3.
Limited change of resistivity during service life.
2.2.2
SiC Heating Elements/ Effect of Atmosphere
For furnaces over 1400°C Labnics furnaces use Kanthal Globar series SiC heating
elements. SiC elements are non-metal based and give higher resistivity as well as high
temperature application. Furnaces that use SiC heating elements are dispatched without
the elements installed to minimize the risks of breakage during transport. SiC elements are
fragile and are prone to breaking if mishandled. Use only an experienced technician while
installing the elements. It is also important to note the effect of firing atmosphere on the
elements. SiC elements are normally operated in Air, although numerous laboratory
applications require use of other atmospheres.
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