S&P PURECLASS CL Manual page 9

Using a lift, raise the equipment until the outside air couplings are positioned in the holes in the wall.
Fix the equipment to the ceiling using the threaded rods (a). To prevent the transmission of vibrations from the
unit to the wall and ceiling, it is recommended to use accessory 5130064900 KIT AM HRU, which is designed to be
fitted inside the unit bracket (b).
a
b
Once the unit is well fixed to the ceiling, loosen the 12 screws that hold the equipment to the wooden protective
structure and then remove the structure
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