LG C Series - Manual (Page 95)

10. Advanced functions
10.13 Carrier frequency select
Group LED Display Parameter Name
Set
value
Min/Max
Range
Factory
Defaults
Unit
Function
group 2
H39
[Carrier frequency
select]
- 0/15 10
ƒ This parameter affects the sound of the inverter during operation.
Motor noise v
Heat loss of the inverter u
Inverter noise u
H39 If carrier frequency set
higher
Leakage current u
10.14 Second motor operation
Group LED Display Parameter Name
Set
value
Min/Max
Range
Factory
Defaults
Unit
H81
[2
nd
motor Accel time]
- 0/6000 5.0 Sec
H82
[2
nd
motor Decel time]
- 10.0 Sec
H83
[2
nd
motor base
frequency]
- 30/400 60.0 Hz
H84
[2
nd
motor V/F pattern]
- 0/2 0
H85
[2
nd
motor forward torque
boost]
- 0/15 5 %
H86
[2 nd motor reverse torque
boost]
- 5 %
H87
[2
nd
motor stall prevention
level]
- 30/200 150 %
H88
[2
nd
motor Electronic
thermal level for 1 min]
- 50/200 150 %
H89
[2
nd
motor Electronic
thermal level for
continuous] - 100 %
Function
group 2
H90
[2
nd
motor rated current]
- 0.1/20 1.8 A
I20
[Multi-function input
terminal P1 define]
- 0
~ ~
I/O group
I24
[Multi-function input
terminal P5 define]
12
0/24
4
ƒ Select the terminal among Multi-function input P1 thru P5 for second motor operation.
ƒ If using the terminal P5 for second motor operation, set I24 to 12.

Used when an inverter operates 2 motors connected to two different types of the loads.
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