Linn High Therm GmbH
HT-1500-GT-VAC-Spezial GRAPHITE
page
13
operating instruction issue 30.10.2018
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2.4 Mounting of heating elements by customer‘s electrician
Works as described in the following may only be performed by specially
trained personnel
Switch furnace off mains and protect against unauthorized operation.
Heating elements are very sensitive to breakage
Preliminary Works
The cover casing can be unscrewed and taken off.
Looking from top into the furnace casing, the furnace chamber itself with bolted
cover is visible.
Dismantle the water cooling hoses if necessary
Remove furnace chamber cover after unscrewing. Cover of heating chamber
appears. Long holes in the cover are for heating elements. Number of heating
elements depends on the furnace version and varies between four and twelve.
Installation of heating elements
Move the heating element from heating chamber in the holes with the ceramic hull in
the ceiling with the connection ends. Then screw in from above the disc between
graphite connection end and power connecting bolt. Heating element is positioned.
Lift heating element slightly and fill in the gap with graphite fiber.
The next step is to put over the two connecting wires per heating element flank over
the connecting bolt and to fix it. It has to be acted according to connection plan of the
heating elements.
Install remaining heating elements the same way.