Nobu NBFS-48IDU Service Manual page 30

start-up shutdown
compressor
outdoor
start-up
blower fan
our-way
start-up
valve
d o o r
b l o w e r f a n
start-up
Dehumidification
Dehumidification running is to eliminate the water vapor in the air by using the cool circulating capacity, but the
dehumidification will not decrease the indoor temperature in great deal. The air conditioner automatically
repeats on and off circulation according the room temperature, which is shown in the following figure.
° C
° C
indoor
blower fan
start-up
d o o r
b l o w e r f a n
start-up
● In the dehumidification mode, the indoor fan is running at the low speed for twenty seconds at first, then it
select working mode.
Ventilation working mode (only applicable to single cooling unit)
start defrost
defrost
shutdown
shutdown
shutdown
start-up
shutdown
shutdown shutdown
shutdown shutdown
start-up
start-up
Tr
low speed
start-up
shutdown
start-up
shutdown
end defrost
start-up
shutdown
start-up
start-up
start-up
Tr≤10℃
forbid
dehumidify
start-up
shutdown shutdown
start-up
shutdown
shutdown