Elmo Rietschle G-BH9 - Manual (Page 15)

Installation
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 Sound protection hood (available as an
accessory for the 2BH1):
Noise protection hoods are suitable for
installation in rooms and in the open. They
reduce both the total sound pressure level
and tonal components that are perceived as
particularly annoying.
Installation variants/axis position:
Basically, when installing the pump-motor unit,
the following variants are possible with a different
axis position (horizontal or vertical):
 Horizontal
installation
 Vertical installation on the vacuum
pump/compressor cover ("cover installation")
 Vertical mounting on the wall
Basically, all variants are possible with all type.
Exceptions
 For the 2BH1943, vertical axis mounting on
the compressor cover ("cover position") is
necessary.
 For the 2BH923, only horizontal axis mounting
and vertical axis mounting on the compressor
cover are possible.
 For units with condensate water opening,
horizontal axis mounting with a foot below is
necessary.
Horizontal axis mounting
The foot of the unit has fastening holes.
 Screw the foot of the unit to the base using
suitable screws.
All
fastening holes must have screws!
Vertical axis mounting on the compressor
cover ("cover position")
For vertical axis mounting on the compressor
cover, use spring elements.
Spring elements are available as accessories
and come in a set of 3. The upper part has a
threaded stud and the lower part a threaded hole.
 fFastening spring elements to the unit:
Screw threaded studs of the spring elements
into the holes on the front side of the
compressor cover and tighten.
 Fastening the unit with spring elements to the
foundation:
Select suitable fastening elements for the
threaded hole.
Screw spring elements over the threaded hole
into the base or foundation.
Vertical axis mounting on the wall with the
compressor cover pointing downward
For vertical axis mounting of the unit on the wall,
the unit is fastened using the holes in the foot.
The foot of the unit has fastening holes.
 Place the unit with the foot to the wall on a
base plate with sufficient load-bearing
capability in the mounting position.
 Screw the foot of the unit to the wall using
suitable screws.
All
fastening holes must have screws!
 Remove the base plate.
Eye bolt/lifting attachment:
After set-up, the eye bolt/lifting attachment can
be removed.
5.2
Electrical connection (motor)
 DANGER
Electrical danger!
Malpractice can result in severe injuries and
material damage!
 DANGER
Electrical danger!
The electrical connection may be carried out by
trained and authorized electricians only!
 DANGER
Electrical danger!
Before beginning work on the unit or system, the
following measures must be carried out:
 Deenergize.
 Secure against being switched on again.
 Determine whether deenergized.
 Ground and short-circuit.
 Cover or block off adjacent energized parts.
CAUTION
Incorrect connection of the motor can lead to
serious damage to the unit!
Regulations:
The electrical connection must be carried out as
follows:
 according to the applicable national and local
laws and regulations,
 according to the applicable system-dependent
prescriptions and requirements,
 according to the applicable regulations of the
utility company.