need advise puron a/c

[vulch]

HI first time here need some help with a 2 year old bryant puron a/c it was installed last spring and i dont think it is cooling properly does any one have experience with this system... can you tell me what temp readings i should get at the A coil the installer was here 3 times to look at it i dont think he is too familiar with this system it will run for 8 to 10 hours and not lower the temp inside the house pass 23.5 c untill of course the outside temp drops its a 1.5 ton ac the house is under 1200 sf 2+4 const thanks ...

[lenny56769]

well if it helps you should get a bout a 20degree change from the supply and the discharge air

[Grady]

The 20º of which Lenny spoke were 20ºF. 8-12ºC is what I would normally expect the temperature drop to be across the coil.