Hitachi RPI-16 0KFNQH, Installation & Maintenance Manual

Page: 15 / 25

8
The strainer is not standard,install it in
the air inlet piping.
Ensure the air inlet piping
downward to
avoid a seeper.
Ensure the air outside can be inhaled ,or
the indoor unit will not work.
Perform the heat insulation work over the
duct for dew protection.
When metal lic duct and other wire
netting are used,ensure the duct
insulative from thewalls.
When welding the duct,do not leave
residue on the indoor unit.
Gas Pipe Liquid Pipe
Drain Pipe
R
p
1
screw thread
4.6
Connect the duct as follows.
<Air Inlet>
Connect the duct with flange inlet together.
Seal the pontes between the flange inlet and
duct using the aluminous adhesive Tape.
<Air Outlet>
Connect the duct with flange outlet together.
Seal the pontes between the flange outletand
duct using the aluminous adhesive tape.
Connect the flange outlet with the indoor
unit together using screws.
unit:mm(in.)
The Wall Ooutside
Thermal Insulation Flange Inlet
Flange Outlet
The Cover
(Field-Supply)
(Downward Slop)
Air Inlet
Canvas Duct
(Field-Supply)
Thermal Insulation
Air Outlet
Canvas Duct
(Field-Supply)
The Indoor
Unit
Air Outlet
Air Inlet
Refrigerant Gas Pipe
Refrigerant Liquid Pipe
Drain Pipe
(unit:mm)
16.0
20.0