LG MULTI F LMU18CHV Installation Manual page 64

DIP SWITCH SETTINGS
Mode Lock
Prevents mixed mode operation (mode change) in applications
where only one mode is necessary.
1. Shut power down to the system.
2. For Only Cooling Mode Lock, set only DIP Switches 1 and 2 to
ON. For Only Heating Mode Lock, set only DIP Switches 3 and 4
to ON.
3. Turn power on to the system.
PCB Display (Multi F LMU18CHV and LMU24CHV Models Only)
For Multi F LMU18CHV and LMU24CHV outdoor units, the cycle
data can be checked without using LG Monitoring View (LGMV)
Diagnostic Software by pushing TACT-SW1. See below for the types
of cycle information that will be displayed in LGMV. After first page is
displayed, the second page will be subsequently displayed.
TACT-SW1. There is risk of physical injury or death due to electric
shock.
Table 43: PCB Display Information.
TACT-SW1
No. of Pushes
One (1) Time
Two (2) Times
Three (3) Times
Four (4) Times
Five (5) Times
Six (6) Times
Seven (7) Times
Eight (8) Times
Nine (9) Times
Ten (10) Times
64
Description
Low Pressure
High Pressure
Discharge Temperature
Condenser Outlet Temperature
Suction Temperature
Outdoor Unit Air Temperature
Current
Voltage
Compressor Hz
DC Link Voltage
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. "LG" is a registered trademark of LG Corp.
Figure 95: Mode Lock DIP Switch Settings.
Only Cooling Mode Lock
ON
OFF
1 2 3 4
1 2 3 4
Figure 96: Location of TACT-SW1.
Display
Example First Page
890kpa
2,900kpa
15A
230V
100Hz
230V
F
MULTI
F
MULTI
Only Heating Mode Lock
ON
OFF
1 2 3
1 2 3
TACT-SW1
Second Page
"LP" "89"
"HP" "290"
"DS" "85"
"CS" "-10"
"SS" "-10"
"AS" "-10"
"A" "15"
"V" "230"
"F" "100"
"dc" "230"
MAX
4
4