- 26 -
compressor
door
blower fan
T r
3 6
Defrost
Defrost
Defrost
Defrost (only
(only
(only
(only applicable
applicable
applicable
applicable to
to
to
to the
the
the
the heating
heating
heating
heating mode)
mode)
mode)
mode)
the
the
the
the intelligent
intelligent
intelligent
intelligent defrost
defrost
defrost
defrost
In the heating mode, the electric control board checks and compares the temperature of indoor room and indoor coil
pipe after the compressor works for a while; judge whether the outdoor heat exchanger part is frosted or not according to
conditions such as the change of indoor coil pipe temperature; if it is judged as frosted, it automatically enters defrosting
process. When defrosting, close the indoor and outdoor blower fan and four-way valve.
D
D
D
Dehumidification
ehumidification
ehumidification
ehumidification
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.
indoor
blower fan
° C
° C
do
or
blower
f
a
n
Tr
shutdown
shutdown shutdown
shutdown
shutdown
shutdown
shutdown
shutdown
shutdown
shutdown
low speed
Tr≤10℃
shutdown
start-up
start-up
start-up
start-up
start-up
start-up
start-up
start-up
forbid
dehumidify
●
In the dehumidification mode, the indoor fan is running at the low speed for twenty seconds at first, then it selects
