Sequence Chart In Defrosting Mode; Dehumidification - Chigo 38B Service Manual

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
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Sequence chart in defrosting mode

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.
TP2
defrost time over 15 MIN or TP2 >15° C
start defrost
defrost
start-up
shutdown
shutdown
shutdown
Tr
27
end defrost
start-up
shutdown
start-up
start-up
start-up