Hi,anybody able 2 help me my stats gone caput,ive brought a new one with 4 wire conection,but dont understand the wiring the old 1 was.....1=red,2-yellow,3=earth,4=neutral and the new 1 is not quite the same!! 1=common,2=satisfied,3=demand and 4 connect to neutral.tryd doing it the same as the...