thank you for that information i have yet to get back to the motor the people are on holiday but when i do i will check the voltages and the temperature with a heat probe thanks again
steve
thanks once again gents, i havn't had much experience with motors until i came here to cyprus i guess i have a lot to learn it is a facinating subject.
they are mainly swimming pool motors i get called out to, this particular one is quite large.
i have emailed grundfoss directly but no reply...
thank you gents i was imformed that it was 80 tonnes a min i guess that must be wrong i will double check the figures. by quite hot i meant that you could place your hand on the casing without burning yourself. at the moment the ambient temprature here in cyprus is around 32deg c i personally...
i have recently connected a star delta motor. it starts up and runs fine but it it is running quite hot. when i checked the current reading for each phase i found the following; red was 3.5A yellow was 4A and blue was 4.5A
i felt that this was not normal ie they should all be the same the motor...
