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Mode Lock (Cooling Only and Heating Only)
1. Shut the power OFF to the system.
2. Remove the control box cover.
3. For Cooling Only Mode Lock, set the DIP Switch Nos. 1 and 2 to
ON as shown.
4. For Heating Only Mode Lock, set the DIP Switch Nos. 3 and 4 to
ON as shown.
5. Turn the power ON.
Night Low Sound
Night Low Sound mode reduces the operation sound of the outdoor
unit by changing the compressor frequency and fan speed. Night
Low Sound mode operates the entire night.
Choose from Level 1 or Level 2. See the table below.
Table 36:
Standard
Outdoor
(Compressor Hz,
Operation
Unit
Max. Fan Speed
dBA
LUU180HV
48
LUU240HV
48
LUU360HV
52
LUU420HV
52
1. Shut the power OFF to the system.
2. Remove the control box cover.
3. For Level 1, set DIP Switch Nos. 1 and 4 to ON as shown.
OR
For Level 2, set DIP Switch Nos. 2 and 3 to ON as shown.
4. Turn the power ON.
• If compressor frequency and fan speed are reduced, cooling capacity may also be reduced.
• Night Low Sound mode can only be used with Cooling mode.
• If Night Low Sound mode needs to be stopped, change the DIP switches.
•
FINAL INSTALLATION PROCEDURES
Level 1 dBA
Level 2 dBA
(Compressor Hz,
Max. Fan Speed
RPM)
RPM)
47 (60, 600)
42 (50, 500)
47 (60, 600)
42 (50, 500)
50 (73, 600)
44 (56, 400)
50 (73, 600)
44 (56, 400)
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 LUU180-420HV Optional Modes
Figure 120: Cooling Only Mode Lock DIP Switch Settings.
LUU180HV, LUU240HV
Figure 121: Heating Only Mode Lock DIP Switch Settings.
LUU180HV, LUU240HV
Figure 122: Night Low Sound DIP Switch Settings Level 1.
LUU180HV, LUU240HV
Figure 123: Night Low Sound DIP Switch Settings Level 2.
LUU180HV, LUU240HV
1
2
3
4
5
6
LUU360HV, LUU420HV
1
2
3
4
5
6
LUU360HV, LUU420HV
1
2
3
4
5
6
LUU360HV, LUU420HV
1
2
3
4
5
6
LUU360HV, LUU420HV
79
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