Toyota Corolla 92 temperature problem

Greetings to everyone I have a problem with a Toyota Corolla of 92 4Af-e you change the fan the thermamostate and the direct fan was connected and the water pump changed the cylinder head, everything was done before mounting it but still bothering it .. When it works without the A/C the temperature is maintained in the middle but when the A/C is used, the temperature is passed. That another problem would be ,,,, I would appreciate your help since another running with the same problem came to me only that this is carburado ... greetings to all

You want to air in the air conditioning system, the same is rare because the only thing that has to do with the air conditioning with the air sirchite is an Etra radiator that brings but if it only bothers when it works by ahy, the problem is unveiled.