had new central heating system install this week oil boiler the works. sparky rewired for controls new danfos fp715si..he used my old room stat as was better than one supplied. room stat is a danfoss ret230-nsb. old system stat has green and red lights that came on when control turned on heating red light went out when temperure was reached and both lights went out when program was finished. on new system red and green lights are on all the time but red will go out if i turn stat temperture down can hear it click lights remain on when program finished....stat can be seen here DANFOSS RET230-NSP......http://cz.danfoss.com/PCMPDF/25490v04.pdf
page 22...regards, H
page 22...regards, H
