DC Inverter Duct Type Unit
10
4.1.2 Drilling Holes for Bolts and Installing the Bolts
Using the installation template, drill holes for bolts (four holes). (Fig. 5)
4.1.3 Installing the Suspension Bolts
(1). Install the bolts to the ceiling at a place strong enough to hang the unit. Mark the bolt
positions from the installation template. With a concrete drill, drill for 12.7mm (1/2”)
diameter holes. (Fig. 6)
(2). Insert the anchor bolts into the drilled holes, and drive the pins completely into the anchor
bolts with a hammer. (Fig. 7)
(3). Install the hanger to the unit. (Fig.8)
(4). Pass the unit hangers over the bolts installed to the ceiling and install the unit with the
special nut.(Fig.9)
60
to
7
0
m
m
Fig.6
Fig. 5
Fig.7
Φ12.7mm
Fig.8
Hanger
I
I
2:1
Hook
Screw
Nut
Nu
t
Fig.9
