No cool. 1982 carrier gas pack 5 ton rtu. Upon arrival I found the batteries dead in the thermostat and replaced them with customer supplied batteries. Went on rooftop and unit was now running. Checked r22 refrigerant pressures, amp draws, capacitors and delta t. When pulling disconnect the pull handle broke off in my hand, unable to disconnect power to unit at disconnect. Could smell burning and the handle had obvious melting spots in it. Found unit low on r22 refrigerant, compressor pulling high amps, compressor capacitor reading 0 out of 65, hard start capacitor reading below specs, and blower capacitor reading 1 out of 10. Went over options with customer and he is interested in replacing the system, but has a home warranty and would like to see if the can help offset the cost. Advised customer for safety reasons with that disconnect, I left the breaker off to the system so it was not getting power. Unit is not running at this time.