The disconnect must be placed in a readily accessible location and within sight of the equipment it is supplying.
Minimum distence off roof for disconnect.
Nec code requirement for disconnect switch within sight of the motor.
This plane is a specified distance above a water level.
If there is any doubt about minimum height going by the module s ul installation manual is safest.
I expect it needs to be above possible snow height must remain accessible and must be in view of the hvac equipment.
On 2019 10 28 by mod minimum distance required for a disconnect off of a flat roof.
Dpc electrical 14 jun 04 11 55.
Roof tops 210 8 b 2 swimming pools 680 22 a temporary installations 527 6.
This is still within code.
Remote not within sight disconnect has to be lockable in off position then you can eliminate local disconnect.
On 2019 10 24 5 by jason.
Disconnect requirements for articles 422 through 450.
Revised disconnect requirements for articles 422 through 450.
This is covered in nec 430 102 b.
Nec 440 14 readily accessible mostly means not higher than 6 7 off the ground and not behind the condensing unit where servicing the disconnect would be a pita.
Typically module manufacturers lists a minimum distance from the back of the module to the roof in the installation manual.
You mean height from the roof surface.
Article 422 covers electric appliances used in any occupancy.
This minimum distance paired with a specific rack is what the fire class rating is based on.