Originally Posted By: Robert L Dean
This post was automatically imported from our archived forum.
Here is the other 10, primarily for HVACR
1. The condensate drain,(out side) is visible, and draining while the a/c is running.
2 The condenser pad is for the most part level,but should be slightly tilted to allow for drainage runoff.
3. The condenser has enough clearance around it from all sides.Minimum of at least 12" to 18" .This includes bushes and trees.
4.The outdoor unit has a pull disconnect.This may not apply to some state building codes,but does in Florida.
5.The indoor unit is level, and the platform top is not sinking.This is very common, and often overlooked.Indoor unit should have disconnect as well.
6.The suction line is insulated, and not sweating all over the platform top.Sometimes it's good to insulate the drain line,just inside at the air handler.
7.The air handler is not double filtered.Often there is a filter in the unit and in the ceiling.Take your pick, but you can only have one.Too much can cuase insufficient air flow, and freezing up of evap coil.
8.One common thing now in Florida is the indoor unit must be equipt with a float switch.This is a saftey cut off, in case the drain back's up.It's a good idea to have one of these in Florida or not.
9.Evap coil is inspected with a mirror.Imacted coils can cuase a lot of problems.A little dust on the coil is no cause for alarm,but a lot of dust is very bad.You can loose a compressor very fast.
10.Heat strips are not on in cooling mode.I don't think this one would be too invasive but you can decide this for yourself. It take 5 seconds to check with an amp meter.