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FDBQ25B5V1
C
ONTENTS
What to do before operation .............................................................. 1
Important information regarding the refrigerant used ........................ 1
Operation range................................................................................. 1
Installation site................................................................................... 2
Operation procedure.......................................................................... 2
Optimum operation ............................................................................ 2
Following symptoms are not air conditioner troubles......................... 2
Troubleshooting ................................................................................. 3
Maintenance ...................................................................................... 3
Thank you for purchasing this Daikin air conditioner.
Carefully read this operation manual before using the air
conditioner. It will tell you how to use the unit properly and
help you if any trouble occurs. After reading the manual,
file it away for future reference.
W
HAT TO DO BEFORE OPERATION
■
This operation manual is for the following systems with standard
control. Before initiating operation, contact your dealer for the
operation that corresponds to your system.
NOTE
These units can be controlled by a remote controller.
Refer to the manual of the remote controller for more
information.
■
If your installation has a customized control system, ask your
Daikin dealer for the operation that corresponds to your system.
Pair
Multi system combination
This heat pump system provides cooling, heating and automatic
operation mode.
Names and functions of parts
1
Indoor unit
2
Outdoor unit
3
Remote controller (optional)
4
Inlet air
5
Discharged air
6
Refrigerant piping, connection electric wire
7
Drain pipe
8
Ground wire
9
Suction air filter (optional)
FDBQ25B5V1
Split series room air conditioners
Multi system room air conditioners
3P468514-4
Split series room air conditioners
Multi system room air conditioners
Page
(See figure 1)
■
Never let the indoor unit and the remote controller get
wet.
It may cause an electric shock or a fire.
■
Never use flammable spray such as hair spray,
lacquer or paint near the unit.
It may cause a fire.
■
Never replace a fuse with that of a wrong ampere
rating or other wires when the fuse blows out.
Use of wire or copper wire may cause the unit to
break down or cause a fire.
■
Never touch the air outlet or the horizontal blades
while the swing flap is in operation.
Fingers may become caught or the unit may break
down.
■
Never insert objects such as sticks into the air inlet or
outlet.
It is dangerous for an object to touch the fan when it is
turning at high speed.
■
Never remove the fan guard of the outdoor unit.
The rotating fan at high speed without the guard is
very dangerous.
■
Never inspect or service the unit by yourself.
Ask a qualified service person to perform this work.
I
MPORTANT INFORMATION REGARDING THE
REFRIGERANT USED
This product contains fluorinated greenhouse gases.
Refrigerant type:
R410A
(1)
GWP
value:
2087.5
(1)
GWP = global warming potential
Periodical inspections for refrigerant leaks may be required
depending on European or local legislation. Please contact your local
dealer for more information.
O
PERATION RANGE
If temperature or humidity is beyond the following conditions, safety
devices may work and the air conditioner may not operate, or
sometimes, water may drop from the indoor unit.
outdoor temperature
indoor temperature
indoor humidity
(*) to avoid condensation and water dripping out the unit
NOTE
Contact your dealer to know the correct operation
range. It can change depending on the outdoor unit
connected.
Operation manual
COOLING
HEATING
–10~46°C DB
–15~20°C WB
14~28°C WB
10~30°C DB
(*)
≤80%
Operation manual
1
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