Installation Requirements; Location; Foundation; Installation - Nederma RBU Serie Manual De Instrucciones

EN RBU
6.2

Installation requirements

6.2.1

Location

Prepare the location where the RBU unit is to be placed before installation. An open working space
around the unit is necessary for maintenance. A gap of at least 0.7 meter in front of the unit is
required to allow for opening of the unit.
6.2.2

Foundation

The unit must be anchored to a hard, level and firm foundation, such as a concrete foundation.
Consider the total weight of the unit with accessories when calculating the foundation or
supporting structure, See 'Table 4-1: Technical data'.
7

Installation

WARNING!
Use ear protection and safety goggles during the installation of the unit!
The unit may be placed indoors or outdoors.
Consider the following when installing the RBU unit:
• The foundation is to be level and hard, see Section '6.2.2 Foundation'.
• Install the RBU unit away from heat sources or hot surfaces.
• Ensure that service and maintenance are convenient.
• Beware of hot air from the outlet.
• Ambient temperature must be within operating temperature defined in 'Table 4-1:
Technical data'.
• Make sure the exhaust duct is protected from rain.
• Make sure the exhaust duct has a grid so no objects can get into the duct.
CAUTION! Risk of equipment damage.
Make sure the inside of the pipe between filter and pump are clean and free from particles
before assembly. Even small particles can cause damage to the pump if sucked in during start
up.
7.1

Indoor installation

Consider the following when installing the unit indoors:
• There are to be at least two ventilation openings for ventilation, at least 250×250 mm
(10"×10") in size. One is to be placed up high and the other on down low.
• Never seal a small room with a RBU unit installed completely. At some stages the unit will
admit air directly into the roots pump. This can cause a dangerous underpressure in the
room if the air flow is obstructed.
• Duct away the hot discharge air, either to atmosphere or to a heat exchanger. The discharge
air can reach more than 100 °C (212 °F). The duct must be free from air restricting valves.
A closed valve could lead to an overpressure of more than 100 kPa, which could severely
damage the heat exchanger.
Noise levels for the RBU vary depending on size, site and running conditions. See
'Table 4-1: Technical data' for measured noise levels. The noise level will rise by several dB(A)
when the vacuum gets close to the maximum working vacuum. Measurements have been made
16
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Risk of personal injury.