LGRED Heat LMU300HHV Installation Manual

87
Final Installation Procedures
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MULTI
F
MAX
MULTI
F
WITH
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.
12 43
12 43
ON
OFF
5
5
Only Cooling Mode Lock Only Heating Mode Lock
12 43
12 43
ON
OFF
5
5
Figure 126: LMU360-420HHV Night Quiet Mode DIP Switch Settings.
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Night Quiet Mode
Lowers the operation sound of the outdoor unit by changing the com-
pressor frequency and fan speeds. Night quiet mode initiates eight
(8) hours after the highest outdoor air temperature is measured, then
is active for nine (9) hours.
1. Shut power down to the system.
2. For Step 1, set only DIP Switches 1 and 4 to ON.
3. For Step 2, set only DIP Switches 2 and 3 to ON.
4. Turn power on to the system.
Figure 125: LMU180-240-300HHV Night Quiet Mode DIP Switch Settings.
12 43
12 43
ON
OFF
5
5
Step 1
12 43
12 43
ON
OFF
5
5
Step 2
FINAL INSTALLATION PROCEDURES
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Figure 127: LMU180-240-300HHV Mode Lock DIP Switch Settings.
Figure 128: LMU360-420HHV Mode Lock DIP Switch Settings.
Only Cooling Mode Lock Only Heating Mode Lock
Step 1
Step 2
1234
5678 910
ON
OFF
1234
5678 910
ON
OFF
1234
5678 910
ON
OFF
1234
5678 910
ON
OFF
Operation sound: Step 1 > Step 2.