Electric and ac line sets in same trench?
Im wondering if i can have electrical 3/4" conduit, 4 lines and run line sets for central air in 6" pvc sleeve along side that or perhaps above it in the same trench? I want to put the units away from the house as i don't have much room. Thanks.
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You need to check your local code, if the electric lines are in separate conduit it can be in the same trench but check for the required depth and how the trench is filled. Some places require small gravel then sand with a tracer warning tape above that.
STOP..... check with the manufacturer of the AC unit.... there is an optimum distance that the lines can be run for maximum efficiency of the AC unit... and if it is not installed correctly it can damage the unit or void the warranty.
AND... check your local building codes for what you can run in the same trench... and how far apart they need to be
note" ... my big AC unit sits right outside my kitchen window... and when we put in the new one.. the AC guy told us... THAT was the best place to have it to have equal efficiency throughout the whole house.... if we moved it... we would have to install a unit on each end of the house.... and good AC is essential here in AZ when the temps are 118 or so.
Ele28730255 is correct. They all can be run together since all are separately isolated. They will need to be at least 12" to 18" deep, And tracer tape on top. Gravel and sand is only needed if they are just placed in the trench without the PVC pipe.