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Step 3: Duct and accessories installation
1. lnstall the filter (optional) according to the size
of the air inlet.
2. lnstall the canvas tie-in between the body and
duct.
3. The air inlet and air outlet duct should be far
enough apart enough to avoid air passage
short-circuit.
4. Connect the duct according to the following
diagram:
Canvas tie-in Canvas tie-in
Fig. 4.10
5. Refer to the following static pressure guidelines
when installing the indoor unit.
Table.4-2
MODEL
(Btu/h)
52
71
10s~12s
140~170
Change the fan motor static pressure
according to externa! duct static pressure.
NOTE: 1. Do not place the connecting duct
weight on the indoor unit.
2.When connecting the duct, use a
nonflammable canvas tie-in to prevent vibrating.
3.lnsulation foam must be wrapped outside the
duct to avoid condensate. An internai duct
underlayer can be added to reduce noise,
if the end-user requires.
lsolation booth
Static Pressure
(Pa)
0~100
11
V.2
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