62 14 972 D 3507
D 3507
.
031.01.07
.
02 11.2010
73
Sirona Dental Systems GmbH
Appendix
Installation Instructions HELIODENT
PLUS
Replacing old units
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9.3.3
Replacement of vertically mounted old units
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Explanation
In the case of a vertically mounted old unit which was fastened with two
installation holes located one above the other, a HELIODENT
PLUS
can be
installed using the existing drill holes.
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Prerequisites
● The existing distance between the drill holes must be between 258
mm (10 1/8") and 281mm (11").
– "Elongated hole" installation version: If the distance between the
drill holes is less than 281 mm (11"), the lower knock-out
elongated hole (G) of the wall adapter must be used.
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Suitable old units
● Progeny Preva
● Gendex 765DC
1
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Preparation
1. Unscrew and remove the old unit.
2. Check the existing drill holes. Do they comply with the description in
the installation regulations?
3. Check the electrical connection area of the old unit. It may be
necessary to relocate the electrical connections (concealed
installation for example).
CAUTION
Observe wall properties
In installation situations, the technician is responsible for the
assessment of wall properties and selecting the method of attaching the
unit to the wall.
G