IMO BKF
Commissioning
10 BKF 16.08.2021
WARNING
Hazard from electrical voltage!
Electrical connection only by a trained electrician respectively trained and instructed qualified person-
nel!
Electrical connection in accordance with the valid regulations.
Prevent the ingress of water into the connection box.
Observe 5 safety rules for the electrical expert!
- disconnect from the power supply (all-pole),
- prevent switching on again,
- test absence of voltage,
- earthing and short-circuiting,
- protect adjacent live parts by covers and barriers and fit a suitable warning notice.
Connect the cable according to wiring diagram.
Tighten the nuts of cable glands well to achieve IP68 protection.
Place the supply cable.
7.1 Residual current circuit breaker
Use universal RCDs type B or B+ in case of speed control with frequency converter.
7.2 Connection of thermal protection
CAUTION
Property damage as a result of motor overheating
The motor can overheat and be destroyed if the PTC not been connected.
PTC always connect to a motor protective device!
8 Commissioning
8.1 Preconditions
Mounting and electrical connection have been correctly performed.
Installation residuals and foreign objects have been removed from the fan and ducts.
Inlet and outlet are free.
The safety devices have been fitted (protection against contact with rotating impeller).
The protective conductor and external earth conductor have been connected.
The thermal protection is properly connected to the motor protective device:
- the motor protective device is functional;
- the thermal protection is functional.
The cable glands are tight (plug the not used cable glands).
Provided mains connection complies with the data on the nameplate.
The current (from the nameplate) does not exceed the mains data.