16.2.2 Range of usage & limitations
Item
Indoor return air temperature
(Upper, lower limits)
Outdoor air temperature
(Upper, lower limits)
Indoor unit atmosphere (behind ceiling)
temperature and humidity
Refrigerant line (one way) length
Vertical height difference between
outdoor unit and indoor unit
Power source voltage
Voltage at starting
Frequency of ON-OFF cycle
ON and OFF interval
Models
Dew point temperature 28˚C or less, relative humidity 80% or less
All models
Refer to the selection chart
Max. 30m
Max. 15m
Rating ± 10%
Min. 85% of rating
Max. 10 times/h
Min. 3 minutes
FDU-C
635