FDEN-C
11.2.2 Range of usage & limitations
Item
Indoor return air temperature
(Upper, lower limits)
Outdoor air temperature
(Upper, lower limits)
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
450
Models
FDENP208, 258 type
Max. 30m
Max. 20m (Outdoor unit is higher)
Max. 15m (Outdoor unit is lower)
FDENP308, 408, 508 type
Refer to the selection chart
Max. 50m
Max. 30m (Outdoor unit is higher)
Max. 15m (Outdoor unit is lower)
Rating ± 10%
Min. 85% of rating
Max. 10 times/h
Max. 3 minutes