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MULTI V 5 Outdoor Unit Service Manual
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.
Setting the Optional Modes
To access and set the different modes, first turn No. 5 on the master
outdoor unit PCB DIP switch bank SW01 to ON. Then, select the
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DIP-SW01
SSD
SW01C
(Confirm / Automatic
Address Setting Button)
SW01D
(Reset Button)
SW02C
(ŻBackward
Button)
SW03C
(ŹForward
Button)
SW04D
(x Cancel
Button)
12 76543
12 76543
ON
OFF
• To set the optional modes / functions, all indoor units must be OFF.
Mode / function settings won’t save, nor will operate unless all indoor
units are OFF.
• If system power was reset, some modes / function settings will be automatically
saved in the EEPROM. Other modes / functions will reset when power is cycled
off. See next pages for details on specific modes / functions.
Mode Selection Selection Selection
Notes
Content Display Mode / Function Name Display Default Options
Fault Detection
and Diagnostics
Fdd
Refrigerant Auto Charge (Cooling) Fd1 -
Refrigerant Auto Charge (Heating) Fd2 -
Refrigerant Auto Judge (Cooling) Fd3 -
Refrigerant Auto Judge (Heating) Fd4 -
Integrated Test Run Fd7 - -
All Indoor Unit Cooling Operation Fd8, cooL oFF oFF, on
All Indoor Unit Heating Operation Fd9, hEAt oFF oFF, on
Function Func
Cool / Heat Selector Switch (Installed) Fn1 oFF oFF, oP1~oP2
Saved in EEPROM;
Off = Not Installed
Static Pressure Compensation Fn2 oFF oFF, oP1~oP3
Saved in EEPROM;
Used for ducted discharge.
Night Low Sound Fn3 oP10 oP1~oP12 Saved in EEPROM.
Overall Defrost Fn4 oFF on, oFF
Saved in EEPROM.
Off = Split Coil / Frame
Allowed
Outdoor Unit Addressing Fn5 0 0~254 Saved in EEPROM.
Snow Removal Assist / Rapid Defrost Fn6 oFF oFF, oP1~oP3 Saved in EEPROM.
Adjusting Indoor Unit Capacity Fn7 oFF oFF, oP1~oP2 Saved in EEPROM.
Adjusting Target Pressure Fn8 oFF oFF, oP1~oP6 Saved in EEPROM.
Low Ambient Kit Fn9 oFF on, oFF Saved in EEPROM.
High Efficiency Mode (Cooling Operation) Fn10 oFF on, oFF Saved in EEPROM.
High Efficiency Mode Cooling Operation
(Auto Dust Throw)
Fn11 oFF oFF, oP1~oP5 Saved in EEPROM.
Smart Load Control Fn14 oFF oFF, oP1~oP3
Saved in EEPROM;
Can use in all applications
except DOAS. Energy
saving feature.
Figure 6: Location of DIP Switches and Setting Buttons on the Outdoor
Unit PCB.
Figure 7: No. 5 on DIP Switch Bank SW01 ON.
Table 19: Optional Modes.
OTHER CONTROLS
Setting Optional Modes
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