to start off got to job and found evap coils iced up wile deiceing evap coils i found a big gas leak on the evaporator so organised a new evap reclaimed the gas removed old evap weld in new evap and nitro leak test and vac down then put some gas in the unit so i seem to have no power at my hp/lp control the only wiring i have touched is the evap fan wiring i can the only way i can get the compressor to start is by pushing the contractor for the compressor. does any one have a wiring diagram for a bitzer condensing unit 4nl2.2-76 compressor model bitzer 4n-12.2y