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6
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Operation
User reference guide
20
FTXM20~4 FTXM20~71R2V1B
Daikin room air conditioner
4P518786-5F – 2020.06
6 Operation
6.1 Operation range
Use the system in the following temperature and humidity ranges for safe and
effective operation.
In combination with outdoor unit RZAG
Cooling and drying
(a)(b)
Heating
(a)
Outdoor temperature
–20~52°C DB
–20~24°C DB
–21~18°C WB
Indoor temperature
17~38°C DB
12~28°C WB
10~27°C DB
Indoor humidity
≤80%
(b)
—
(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.
In combination with outdoor units: RXM71R, 2MXM, 3MXM, 4MXM, 5MXM
Cooling and drying
(a)(b)
Heating
(a)
Outdoor temperature
–10~46°C DB
–15~24°C DB
–15~18°C WB
Indoor temperature
18~37°C DB
14~28°C WB
10~30°C DB
Indoor humidity
≤80%
(b)
—
(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.
In combination with other outdoor units
Cooling and drying
(a)(b)
Heating
(a)
Outdoor temperature
–10~50°C DB
–20~24°C DB
–21~18°C WB
Indoor temperature
18~37°C DB
14~28°C WB
10~30°C DB
Indoor humidity
≤80%
(b)
—
(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.
6.2 When to use which feature
You can use the following table to determine which features to use: