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About the unit
Installer reference guide
23
FTXF20~4 ATXF20~42D5V1B
Daikin room air conditioner
4P519439-16R – 2021.12
5 About the unit
WARNING: MILDLY FLAMMABLE MATERIAL
The refrigerant inside this unit is mildly flammable.
5.1 System layout
NOTICE
Design of the system must not be done at temperatures below –15°C.
a
f
c
e
d
b
a
Indoor unit
b
Service lid
c
Air filter
d
Refrigerant piping, drain hose and interconnection cable
e
Insulation tape
5.2 Operation range
Use the system in the following temperature and humidity ranges for safe and
effective operation.
Operation mode
Operation range
Cooling
(a)(b)
▪
Outdoor temperature: –10~48°C DB
▪
Indoor temperature: 18~32°C DB
▪
Indoor humidity: ≤80%
Heating
(a)
▪
Outdoor temperature: –15~24°C DB
▪
Indoor temperature: 10~30°C DB
Drying
(a)
▪
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.
