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17
ENGLISH
2
1
Periodic maintenance is essential for keeping your air
conditioner efcient.
Before carrying out any maintenance, disconnect
from the power supply by putting the installation on/
off switch to “off”.
Direzione del fluido refrigerante
Valvola a 2 vie
(6) Aprire di 1/4 di giro
Cappuccio della valvola
(1) Girare
(8) Fissare
(2) Girare
Valvola a 3 vie
(8) Fissare
(1) Girare
(7) Girare per
aprire completamente
(7) Girare per aprire
completamente
(8) Fissare
Entrata
utile
Connettere all’
unità interna
UNITA’ INTERNA
Cappuccio
della valvola
7BDVVNQVNQ
BLEEDING
INSTALLER
Humid air left inside the refrigerant circuit can cause com-
pressor malfunction. After having connected the indoor
and outdoor units, bleed the air and humidity from the
refrigerant circuit using a vacuum pump.
(1) Unscrew and remove the caps from the 2-way and
3-way valves.
(2) Unscrew and remove the cap from the service valve.
(3) Connect the vacuum pump hose to the service valve.
(4) Operate the vacuum pump for 10-15 minutes until an
absolute vacuum of 10 mm Hg has been reached.
(5) With the vacuum pump still in operation, close the
low-pressure knob on the vacuum pump coupling. Stop
the vacuum pump.
(6) Open the 2-way valve by 1/4 turn and then close it
after 10 seconds. Check all the joints for leaks using
liquid soap or an electronic leak device.
(7) Turn the body of the 2-way and 3-way valves. Discon-
nect the vacuum pump hose.
(8) Replace and tighten all the caps on the valves.
INDOOR
UNIT
Refrigerant fluid direction of flow
3-way valve
2-way valve
Service
inlet
(2) Turn
(8) Secure
(7) Turn to open fully
(2) Turn
(8) Secure
7BMWFDBQ
(6) Open by 1/4 turn
(7) Turn to open fully
(2) Turn
(8) Secure
7BMWFDBQ
Connect to the
indoor unit
MAINTENANCE
INSTALLER
INDOOR UNIT
Removing and cleaning the lter
r 0QFOUIFGSPOUQBOFMGPMMPXJOHUIFEJSFDUJPOPGUIFBSSPX
(1)
r ,FFQJOHUIFGSPOUQBOFMSBJTFEXJUIPOFIBOEUBLFPVUUIF
air lter with the other hand
r $MFBOUIFàMUFSXJUIXBUFSJGUIFàMUFSJTTPJMFEXJUIPJM
it can be washed with warm water (not exceeding 45°C).
Leave to dry in a cool and dry place.
41


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