5 Installation at Site
36 of 96
Sewatec
The correct direction of rotation of the motor and pump is clockwise (seen from the
drive end).
1. Start the motor and stop it again immediately to determine the motor's
direction of rotation.
2. Check the direction of rotation.
The motor's direction of rotation must match the arrow indicating the direction
of rotation on the pump.
3. If the motor is running in the wrong direction of rotation, check the electrical
connection of the motor and switchgear, if any.
5.14 Priming and venting the pump
DANGER
Shaft seal failure caused by insufficient lubrication
Hot or toxic fluid could escape!
Damage to the pump!
▷ Before starting up the pump set, vent the pump and suction line and prime
both with the fluid to be handled.
1. Vent the pump and suction line and prime both with the fluid to be handled.
2. Fully open the shut-off valve in the suction line.
3. Fully open all auxiliary connections (barrier fluid, flushing liquid, etc).
5.15 Protective devices
WARNING
Failure to re-install or re-activate protective devices
Risk of injury from moving parts or escaping fluid!
▷ As soon as the work is completed, re-install and re-activate any safety-relevant
devices and protective devices.
5.16 Connecting the vibration sensor
The pump is supplied prepared for the connection of a vibration sensor as an option.
Fasten the vibration sensor at the point indicated at the bearing bracket. Observe the
technical literature of the sensor for fastening and electrical wiring.
Fig.17: Position of vibration sensor
82-5 Adapter 81-99 Electric part
5.17 Connecting temperature measuring devices
The pump is supplied prepared for the connection of resistance thermometers as an
option. Fasten the resistance thermometers at the points indicated at the bearing
bracket. Observe the technical literature of the sensor for fastening and electrical
wiring.
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