LG LM-2421C2L Service Manual page 29

(6) Maximum Length of Pipe and Freon Extra Charge
Charge amount per 1m
Model
LM-2421C2L
LM-3022C3L
INDOOR UNIT
INDOOR UNIT
INDOOR UNIT
Preventive function of cable mis-connection
This product has a preventive function of cable mis-connection. In case of mis-connection (in case that the
cables between indoor and outdoor units have not been connected properly), it gives a warning signal of LED
flickering 3 minutes after starting operation. (Press the forced operation key more than 3 seconds.)
Once
3 seconds
CAUTION
Don't turn on all the indoor units all at once when you check the connection status. In that case the sensor can
not be operated properly.
Maximum Length & Height(m)
STANDARD
LENGTH(m)
A
7.5 7
7.5 7
B(Length)
A(Height)
Twice
3 seconds
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B
15
15
OUTDOOR UNIT
Once Twice
3 seconds
Charge am't(g)
per 1m
30
30