10
Installation instructions
Installation and maintenance of
HEPA filter
Check after installation and
operation test
Check after installation
Items to be checked
Possible malfunction
Has the unit been
fixed firmly?
The unit may drop, shake or
emit noise.
Has you the refrigerant
leakage test been done?
It may cause insufficient
cooling (heating)
Is thermal insulation sufficient?
It may cause condensation.
Is water drainage satisfactory?
It may cause water leakage.
Is the voltage in accordance
with the rated voltage marked
on the nameplate?
It may cause electric
malfunction or damage
the unit.
Is the electric wiring or piping
connection installed correctly
and securely?
It may cause electric
malfunction or damage
the parts.
Has the unit been
securely earthed?
It may cause electrical
leakage.
Is the power cord specified?
It may cause electric
malfunction or damage
the parts.
Is the inlet or outlet blocked?
It may cause insufficient
cooling (heating)
Is the length of connection
pipes and refrigerant capacity
recorded?
The refrigerant capacity is
not accurate.
Operation Test
1 Before Operation Test
a. Do not switch on power before installation is
finished completely.
b. Electric wiring must be connected correctly
and securely.
c. Cut-off valves of the connection pipes should
be opened.
d. All the impurities such as scraps and waste must be cleared
from the unit.
2 Operation Test Method
a. Switch on power and press "ON/OFF" button on the
remote controller to start the operation.
b. Press MODE button to select the COOL, HEAT (Not
available with Cooling Only models), FAN to check whether
the operation is normal or not.
Installation of HEPA Filter
1. Lift up the front panel from the two ends of it, as shown by the
arrow direction, and then remove the air filter
Air filter
HEPA
filter
2. Attach the HEPA filter onto the air filter
Air filter
HEPA
filter
3. Install the air filter properly along the arrow direction in the
diagram below, and then close the panel
Air filter
HEPA
filter
Cleaning and Maintenance
Remove the HEPA filter and reinstall it after cleaning according to
the installation instruction. Don't use brush or hard things to clean
the filter. After cleaning, be sure to dry it in the shade.
Service Life
The general service life for the HEPA filter is about one year under
normal conditions.