Moisture Return Prevention Control; Defrost Operation - Fujitsu ASTG18KMTC Service Instruction

7. MOISTURE RETURN PREVENTION CONTROL (Cooling mode& Dry mode)

Switch the airflow [Auto] at cooling mode, and the indoor fan motor will run as shown in Fig.6.

( Fig.6 : Indoor Fan Control )

Compressor

ON

OFF

Indoor fan

Setting air flow

Indoor fan

(as shown in Table 5)

S-Lo

OFF

( Table5 : Indoor fan speed )

ASTG18KMTC

ASTG22KMTC

ASTG24KMTC

When the defrost operation starts, the indoor fan runs according to cool air prevention control for 20 seconds.

And the fan is stopped if 20 seconds have passed.

When 60 seconds have passed after defrost operation is released,

the fan runs according to cool air prevention control

10

30

60

Dry

Cooling

X zone

J zone

760rpm

670rpm

760rpm

760rpm

670rpm

760rpm

760rpm

670rpm

760rpm

180

60

01-06

180

60

10

30

(SEC)