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normaly closed contractor 3 in 3 0ut. positive and negative. put 230 on posirive - contactor close sircuit shs working. i have no access to cabinets where the meters. clocks and other staff.

Thank You Help. It is in Limerick city, S side of Ireland. In apartment SHS working if i put 240v  signal manually in contractor - I'm not receiving it from ESB switch room. And i cant access to check, it is all sealed. Only Esb technichian can do this.

Thanks for reply Steptoe, block 40 apartments - 4 clocks. 10 for each only 1 apartment not working. Elec Supplier Technician was there - and send sms his side checked -no problem. To get him second time i must have a good reason and know what components are there and where could be the...

Good Evening everyone. Im working  for small residetial property maintainace company in Ireland. I do differenet jobs,  as well as basic electrical staff. There were a few st heaters problems and i managed with them so far. Until i got this one and I was wondering if You could help with...