LG MULTI F Installation Manual page 166
Multi-zone heat pump systems
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Also See for MULTI F:
- Engineering manual (224 pages) ,
- Installation manual (65 pages) ,
- Install (9 pages)
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DIP SWITCH SETTINGS
Location of DIP Switches on Multi F and Multi F MAX Outdoor Units
Figure 89: Multi F / Multi F MAX Outdoor Unit DIP Switch Locations.
Multi F LMU18CHV and LMU24CHV
DI P- SW
Multi F MAX LMU480HV and LMU540HV
Forced Cooling Operation Function
Use to add refrigerant to the system when outside ambient temperatures are cool (ex.: winter).
1. Shut power down to the system.
2. Set DIP Switch 1 to ON.
3. Turn power on to the system.
4. Verify that the Red LED on the outdoor unit PCB is ON (indicates indoor units are in forced cooling
operation).
5. Add refrigerant.
•
• Turn DIP Switch 1 to OFF after finishing (Normal Operation setting).
•
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Multi F LMU30CHV and LMU36CHV
Multi F MAX LMU600HV
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.
SW01 N
F
MULTI
F
MULTI
MAX
Figure 90: Forced Cooling DIP
Switch Setting.
ON
OFF
1 2
3
4
1 2
3
4
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