Incomplete 1 System Trane HP Split System HO stated system was not cooling. System is 30 years old. Found system extremely low in refrigerant. Performed a leak serach. Added 400 psi of nitrogen. Couldnt find the leak. Will need to add dye in system to find the leak. System holds 6 lbs of R22. Existing system at the AH is completely rusted out. Talked HO about getting a new system. He said he was interested on knowing his options towards a new system. Filled ip a lead sheet and sent it to beth. Ah data N/A. Condenser Data: M#: TW072B100A0. S#: D16254426.