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a
a
Indoor unit
b
Service lid
c
Air filter
d
Refrigerant piping, drain hose and interconnection cable
e
Insulation tape
4.2
Operation range
Use the system in the following temperature and humidity ranges for
safe and effective operation.
Operation mode
(a)(b)
Cooling
▪ Outdoor temperature: –10~48°C DB
▪ Indoor temperature: 18~32°C DB
▪ Indoor humidity: ≤80%
(a)
Heating
▪ Outdoor temperature: –15~24°C DB
▪ Indoor temperature: 10~30°C DB
(a)
Drying
▪ Outdoor temperature: –10~48°C DB
▪ Indoor temperature: 18~32°C DB
▪ Indoor humidity: ≤80%
(a)
A safety device might stop the operation of the system if the unit
runs outside its operation range.
(b)
Condensation and water dripping might occur if the unit runs
outside its operation range.
5
Unit installation
5.1
Preparing the installation site
WARNING
The appliance shall be stored in a room without
continuously operating ignition sources (example: open
flames, an operating gas appliance or an operating electric
heater).
WARNING
The appliance using R32 refrigerant shall be stored so as
to prevent mechanical damage and in a well-ventilated
room without continuously operating ignition sources (e.g.
open flames, an operating gas appliance, or an operating
electric heater). The room size shall be as specified in the
General safety precaution.
WARNING
Make sure installation, servicing, maintenance and repair
comply with instructions from Daikin and with applicable
legislation and are executed ONLY by authorised persons.
ATXF20~42E5V1B
Daikin room air conditioner
3P650253-11H – 2022.10
b
c
d
e
Operation range
5.1.1
Installation site requirements of the
indoor unit
INFORMATION
The sound pressure level is less than 70 dBA.
▪ Air flow. Make sure nothing blocks the air flow.
▪ Drainage. Make sure condensation water can be evacuated
properly.
▪ Wall insulation. When conditions in the wall exceed 30°C and a
relative humidity of 80%, or when fresh air is inducted into the
wall, then additional insulation is required (minimum 10 mm
thickness, polyethylene foam).
▪ Wall strength. Check whether the wall or the floor is strong
enough to support the weight of the unit. If there is a risk, reinforce
the wall or the floor before installing the unit.
▪ Spacing. Install the unit at least 1.8 m from the floor and keep the
following requirements in mind for distances from the walls and
the ceiling:
≥50
5.1.2
Additional installation site requirements
of the outdoor unit in cold climates
Protect the outdoor unit against direct snowfall and take care that the
outdoor unit is NEVER snowed up.
In heavy snowfall areas it is very important to select an installation
site where the snow will NOT affect the unit. If lateral snowfall is
possible, make sure that the heat exchanger coil is NOT affected by
the snow. If necessary, install a snow cover or shed and a pedestal.
5.2
Opening the indoor unit
5.2.1
To remove the front panel
1 Hold the front panel by the panel tabs on both sides and open
it.
a
Panel tabs
2 Remove the front panel by sliding it to the left or the right and
pulling it toward you.
Result: The front panel shaft on 1 side will be disconnected.
3 Disconnect the front panel shaft on the other side in the same
manner.
5 Unit installation
≥50
(mm)
a
Installation manual
7
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