DENTSPLY Multimat 2 Touch Manual De Instrucciones página 45

2 Safe use
2.1 Use within specifications
Caution !
The Multimat2 Touch was exclusively designed
for firing and/or pressing of dental ceramics and is
for these uses exclusively. The user is liable for all damages
resulting from non-specified use. At temperatures above
1000 °C the working life of the heating muffle and the compres-
sion cylinder and the compression valve is reduced. In this case,
the aforementioned parts are excluded from warranty. Such use
within specification furthermore includes the compliance with all
notes in this operating manual as well as all notes in the separate
operating manuals of the vacuum pump, the Online Diagnosis
System and the Touch+Save PC documentation.
Repairs and maintenance may only be carried out by
Dentsply Service or authorized Dentsply service points.
Operate the touch screen only within the designated sensi-
tive surface. Never use hard or sharp objects to operate the
touch screen.
Use the compression platform only for pressing.
2.2 Hazards and safety notes
Caution !
In order to ensure safe operation, please observe
the following notes:
• Do not set up furnace and vacuum pump next to heat
sources.
• The power consumption of the vacuum pump should not
exceed 2.5 A. The powers of muffle and pump add up and
can cause overload to the instrument fuses.
• The distance to the next wall should be at least 25 to 30 cm.
• The surface should be non-flammable, and there should be no
flammable objects nearby.
• Place the vacuum pump in a well ventilated place. Vacuum
pumps lubricated with oil should always be set up in a lower
place than the furnace. The back-pressure valve in the tube,
however, should be placed higher than the pump.
• Do not touch parts that become hot, particularly the cover.
• Prior to powering up, ensure that the mains power does not
exceed the voltage specified on the instrument.
• For 220/230V, use the grounded power lead H05VV-F 3G1,0
with grounded power socket and Schuko-type (grounded)
plug St.30 D.
• For voltages 100 – 127 V, use the power lead SJT 3x18AWG
105 °C with UL plug NEMA 5-15P and grounded socket.
• Furnaces with pressing function must always have connection
to compressed air, even during normal vacuum firing. Always
maintain the air pressure of 2.7 bar shown on the warning
label next to the compressed air inlet.
• On first-time operation, after any extended rest period as well
as at high humidity or low temperatures, it may no longer be
possible to generate a sufficient vacuum. In these cases, start
program 376.
• If the furnace is under vacuum in "Off" state for an extended
period of time, the O-ring of the lift plate may adhere slightly.
• When heating the firing muffle, there may be vibration noises
from the heater winding.
• In case of undervoltage, the temperature increase may be
delayed.
• Use only original service parts.
Warning!
• The instrument may only be connected to a
separate Schuko-type socket which is secured with
a slow 16 A fuse. For increased safety, we recommend con-
necting the instrument to a circuit with separate protective
circuit breaker with a release current of 30 mA.
• Always disconnect the instrument from main power when
carrying out repairs and maintenance work.
• Never connect the instrument to extension cables or distribu-
tion boxes, as there is fire hazard with these devices.
• Repairs on opened unit under voltage may only be carried
out by trained electricians.
• At least once per year, a specialist must test the protective
ground wire.
• In the case of faults or damages that prevent safe operation,
the instrument must be secured against unintentional use.
• Do not change the position of the belt tension screw located
on the rear column plate.
3 Setup and first operation
3.1 Unpacking
• First, please check the "Shockwatch" label on the carton. If it
is colored red, the impact energy during transport was higher
than allowed and your unit could be damaged. Ask the trans-
port agent to confirm the triggering of the "Shockwatch" label
in writing.
• Open the packaging and unpack the Multimat2 Touch care-
fully.
• Prior to setting up, check the instrument for visible exterior
damage. Do not set up or operate a damaged instrument.
Please contact us, if the furnace is damaged.
3.2 Check accessories
• Check the delivery on completeness.
Each Multimat2 Touch is supplied with:
– main power lead
– 1 honeycomb firing goods carrier
– 1 firing socket
– 1 pair of tweezers
– 1 operating manual
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