ONNLINE CK AC Instruction Manual page 5

Installation with duct clamps for duct fan CK.
Duct clamp, type MK is made of pre-galvanized
steel and is rubber-lined to seal connection and
absorb vibrations. The clamp allows the fan to be
easily removed for inspection and cleaning.
Available in sizes: Ø 80, 100, 125, 150, 160, 200,
250, 315, 355, 400, 500 and 630 mm.
1. Mark the measure of A on the wall or roof and
then fasten the fan.
2. Put together the ducts and the fan.
3. Strap the duct clamps on each side of the fan
with the screws.