There has been no mention of fresh air input. I assume there is none.
@hookster and Viking: below is the details of it: 1) Intake Flow CFM.................1124.5 2) Intake frequency ................55 Hz 3) Exhaust frequency...............35 Hz 4) Delta p ( Pa...
Fresh air input is possibly effecting RH % with cooling stopped, either limit fresh air make up or cycle fresh air with cooling cycle



TRUCK a/c is serviced just the same as car a/c,the service connectors are under the front grille panel...R134a is used...usually they have a sticker giving you the charge weight.(often stuck on the...
Commercial Vehicle air conditioning