LG LM-1966C2L/M Service Manual page 37

(6) Preventive function of cable mis-connection(Cooling & Heating)
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.
(7) Maximum Length of Pipe and Freon Extra Charge
Charge amount per 1m
Capacity
(Btu/h)
~7000
~9000
~12000
~18000
~24000
INDOOR UNIT
INDOOR UNIT
** A, B mean indoor unit higher located than outdoor unit.
C, D mean outdoor unit higher located than indoor unit.
Twice
3 seconds
STANDARD
LENGTH(m)
A
7.5 7
7.5 7
7.5 7
7.5 7
7.5 7
B(Length)
A(Height)
C(Height)
D(Length)
Once Twice
3 seconds
CONNECTION TYPE
B C D
15 7 15
15 7 15
15 7 15
15 7 15
15 7 15
OUTDOOR UNIT
- 37 -
Charge am't(g)
per 1m
20
20
20
40
40