Wilo -EMU TR 50-2 Serie Notice De Montage Et De Mise En Service page 295

2.11 Operator responsibilities
3 Application/use
3.1 Intended use
3.2 Improper use
4 Product description
4.1 Construction
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6
8
5 4
Fig. 1: Overview of the submersible mixer
4.1.1 Propeller
Installation and operating instructions Wilo-EMU TR/TRE 50-2 ... 120-1
Application/use
Replace the operating fluids during regular maintenance work and dispose of them ac-
cording to the local guidelines.
▪ Provide installation and operating instructions in a language which the personnel can
understand.
▪ Make sure that the personnel is relevantly trained for the specified work.
▪ Provide the necessary protective equipment and make sure that personnel wear it.
▪ Safety and information signs mounted on the device must always be legible.
▪ Train the personnel on how the system operates.
▪ Eliminate risk from electrical current.
▪ Demarcate and cordon off the working area.
▪ To ensure safe working practice, define personnel responsibilities.
▪ Carry out sound pressure measurement when the product is in normal operation. If the
measured sound pressure is more than 85 dB(A), wear hearing protection and include
such instruction in the work regulations!
The mixers are suitable for both intermittent and continuous duty in drainage and
sewage (with and without faeces) as well as in sludge:
▪ for flow generation
▪ for suspension of solid matter
▪ for homogenisation
Intended use also includes compliance with this manual. Any use other than the inten-
ded use is regarded as improper use.
The mixers must not be used in:
▪ Drinking water
▪ Non-Newtonian fluids
▪ Severely contaminated fluids containing hard components such as stone, wood, metals,
etc.
▪ Highly flammable and explosive fluids in pure form
The submersible mixer consists of the following main components:
1
2
1
3
4
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5
6
7
8
9
2
3
Propeller made of solid or composite material, clogging-free thanks to backward-
curved incoming flow edge. NOTICE! The propeller must not emerge during opera-
tion. Observe specified minimum water immersion!
Propeller
Gear, single-stage
Pencil electrode (optional)
Sealing chamber
Motor
Frame for lowering device
Handle grip
Connection cable
Pre-chamber
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