Wilo -EMU TR 50-2 Serie Notice De Montage Et De Mise En Service page 312

en
7 Commissioning
7.1 Personnel qualifications
7.2 Operator responsibilities
7.3 Direction of rotation monitoring
Fig. 11: Correct direction of rotation
312
Commissioning
WARNING
Hand and foot injuries due to lack of protective equipment!
Danger of (serious) injuries during work. Wear the following protective equipment:
• Safety gloves for protection against cuts
• Safety shoes
• Safety helmet must be worn if lifting equipment are used!
▪ Electrical work: A qualified electrician must carry out the electrical work.
▪ Operation/control: Operating personnel must be instructed in the functioning of the
complete system.
▪ Provide installation and operating instructions by the mixer or at a place specially re-
served for it.
▪ Make the installation and operating instructions available in a language the personnel
can understand.
▪ Make sure that the installation and operating instructions are read and understood by
all personnel.
▪ All safety devices and emergency cut-outs on the system-side must be active and
checked to ensure that they work properly.
▪ The mixer is suitable for use under the specified operating conditions.
The mixer is checked at the factory and set to the correct direction of rotation for a
clockwise rotating field. Connection is made in accordance with the specifications in
chapter "Electrical connection".
Direction of rotation check
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Mains connection with clockwise rotating field present.
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Rotating field inspected by a qualified electrician.
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No persons are allowed in the working area of the mixer.
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Mixer securely installed.
WARNING! Do not hold the mixer in your hands! The high starting torque can
lead to serious injuries!
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Propeller is visible.
1. Activate the mixer. Max. operation duration: 15 s!
2. Propeller direction of rotation:
View from front: Propeller rotates clockwise (towards the right).
View from rear: Propeller rotates anti-clockwise (towards the left).
NOTICE! Reverse direction of rotation for mixer type TR 80-1 with steel pro-
peller! The mixer rotates clockwise when viewed from the front and anti-clock-
wise from the rear.
▶ Direction of rotation correct.
Incorrect direction of rotation
If the direction of rotation is incorrect, change the connection as follows:
▪ Direct starting: swap two phases.
▪ Star-delta starting: Swap connections of two windings (e.g. U1/V1 and U2/V2).
NOTICE! After changing this connection, check the direction of rotation again!
WILO SE 2019-01