14
Installation
Fig. 10
8 Assemble the indoor unit on the suspension
bolts using suitable locking elements.
Place the indoor unit level and check that it is aligned
with a spirit level to avoid any leaks.
Nut
Washer
Suspension
bolt
Protruding
part
Shock-proof shim
Fig. 11
l
WARNING
Ensure that the drain pipe slopes at least 1/100.
INSTALLATION OF ACCESSORY DUCTS
1 Install the filter (option) based on the size of the air
inlet.
2 Install the air passage frame between the body and
the duct.
3 The inlet and outlet air ducts must be sufficiently
spaced to avoid short circuits when the air passes
through.
4 Connect the duct following the diagram below:
Structure
fixing
Structure
fixing
Insulation
compartment
Air inlet
Dust filter
Inspection
opening
Insulation
compartment
Air
outlet
Fig. 12
5 For installation of the indoor unit, refer to the following
static pressure values.
Indoor unit
Static pressure
(Pa)
27M/35M 0~60
53M 0~100
70M 0~160
105M 0~160
140M/160M 0~160
6 Change the static pressure of the fan motor according
to the static pressure of the external duct.
l
WARNING
– Do not let the weight of the connection duct
rest on the indoor unit.
– When connecting the duct, use a non-
flammable flexible frame to prevent vibration.
– Wrap insulating foam material around the
duct to prevent condensate from forming.
On request of the end user, a liner can be
fitted in the duct to reduce noise.