Manual
Roof thickness (mm)
Include ‘H’ frame if
used
Duct length required (mm)
Supplied 95mm
Hold down bolt length
(mm)
Supplied 120mm
>85
Contact Aircommand
85
As supplied
As supplied
75
85
As supplied
60
70
As supplied
40
50
As supplied
25 (absolute
minimum)
35
As supplied
7. ASSESS ROOF TH
I
C
K
NESS
- Measure the roof thickness and
consult the table across to check
if adjustments to the duct
length are required.
Failure to cut the du
c
t
properly can result
i
n
an incorrect seal wh
i
c
h
will adversely affect the un
i
ts
performan
c
e
8. ASSEMBLE DU
C
T
- Thread a hold down bar onto
the M8 bolt and push the bolt
almost all the way into the hole
in each corner of the brace
(Fig 9)
- Leave a 10mm gap between the
hold down bar and the recess in
the plastic brace. This will allow
for easier engagement with the
four corresponding threaded
holes in the unit.
Fig 9: Insert the four M8 bolts and hold down bars into the corners of the brace
- Turn the assembly over and add
the extension duct to the top of
the assembly (Fig 11).
- Take care to avoid tearing or
ripping the duct apart.
When attaching the
duct to the unit ta
k
e
care to ensure it forms
a tight, unbroken seal that
doesn’t allow discharge air to
es
c
ape
.
Fig 10: Fit the extension duct onto the brace assembly ensuring a tight, sealed fit