Nobu NBFS-48IDU, Service Manual

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In the ventilation mode, the set temperature range is 17
℃
~31
℃
. When ventilating, the compressor, outdoor
blower fan, four-way valve and electric heating are all closed and the indoor blower fan is running at the set
speed.
Tr
c o m p r e s s o r
o u t d o o r
b l o w e r f a n
d o o r
b l o w e r f a n
Automatic mode
● Conditions for entering the automatic running mode are: After power-up for the first time or shutdown for
two hours, start up and select the automatic operating mode, the working mode depends on Tr and if the
working mode had set , it doesn’t change by Tr and the default set temperature is 25
℃ .
T r
m o d e
26° C
2 1
2 5
Time on and time off