DC Inverter Duct Type Unit
9
For the units:
48
K
、
60K
Fig. 4.1
Table 4.1
Item
Model
A
B
C
D
E
F
G
H
I
J
VFU-18A309I
945
618
738
892
1037
721
738
125
203
266
VFU-24A309I
1101
517
820
1159 1279
558
1002
160
235
268
VFU-36A309I
1011
748
820
1115 1226
775
979
160
231
290
VFU-48A309I
1177
646
852
1150 1340
750
953
190
316
350
VFU-60A309I
1177
646
852
1150 1340
750
953
190
316
350
4.1.2 Drilling Holes for Bolts and Installing the Bolts
Using the installation template, drill holes for bolts (four holes). (Fig. 4.2)
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 12.7 mm (1/2”) diameter holes. (
Fig. 4.3)
(2). Insert the anchor bolts into the drilled holes, and drive the pins completely
into the anchor bolts with a hammer. (Fig. 4.4)
(3). Install the hanger to the unit. (Fig. 4.5)
(4). Pass the unit hangers over the bolts installed to the ceiling and install the
unit with the special nut.( Fig. 4.6)