Multi F Installation Manual

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MULTI F / MULTI F MAX Outdoor Unit Installation Manual
Due to our policy of continuous product innovation, some specifications may change without notification.
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MULTI
F
MAX
MULTI
F
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.
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• Turn DIP Switch 1 to OFF after finishing (Normal Operation setting).
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Multi F LMU18CHV and LMU24CHV
DI P- SW
SW01 N
DIP SW 2
Multi F LMU30CHV and LMU36CHV
Multi F MAX LMU480HV and LMU540HV
DIP-SW01D
12345678910
Multi F MAX LMU600HV
Location of DIP Switches on Multi F and Multi F MAX Outdoor Units
DIP SWITCH SETTINGS
Figure 89: Multi F / Multi F MAX Outdoor Unit DIP Switch Locations.
12 43
12 43
ON
OFF
Figure 90: Forced Cooling DIP
Switch Setting.