Ventilation Working Mode (Only Applicable To Single Cooling Unit); Automatic Mode - Chigo 38B Service Manual

° 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)

In the ventilation mode.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.
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, start up and select the
automatic operating mode of remote or press emergency key, the working mode depends on Tr and if the working
Tr
start-up
shutdown
shutdown shutdown
shutdown shutdown
start-up
Tr
low speed
start-up
shutdown
shutdown shutdown
start-up
shutdown
28
Tr≤10℃
forbid
dehumidify
start-up
shutdown
start-up
shutdown