I have a question, anybody could help? We have two pumps 1 main / 1 spare, if we would to switch the 1 st pump to 2 nd pump in operating, and do not want to shut off the 1 st pump for few seconds, then how would be a reasonable delay we can consider to operate the two pumps before the 1 st pump...
I have a question, anybody could help? We have two pumps 1 main / 1 spare, if we would to switch the 1 st pump to 2 nd pump in operating, and do not want to shut off the 1 st pump for few seconds, then how would be a reasonable delay we can consider to operate the two pumps before the 1 st pump...