LG LS363HLV - Installer Mode, Cooling Only Mode

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Single Zone Extended Piping Wall Mounted Installation Manual
Due to our policy of continuous product innovation, some specifications may change without notification.
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FINAL INSTALLATION PROCEDURES
Installer Mode
It will be necessary to switch to Installer mode if the system needs to operate in Heating Only or
Cooling Only modes, or the Pump Down procedure needs to be performed.
To Enter Installer Mode:
1. Press the Reset button and the button indicated in the image at right. A very slender tool is need-
ed to access the Reset button.
2. Set the code by pressing the Up and Down Temperature buttons, and then press the ON / OFF
button. The Up Temperature button changes the code on the ten (10) digit; the Down Temperature
button changes the code on the one (1) digit.
Press
SETUP
Figure 88: Using the Handheld Con-
troller to Change System to Installer
Mode.
Installer Mode, Cooling Only Mode
Disabling Cooling Only Mode
After Pump Down procedure has been performed,Cooling Only mode
will need to be disabled, and the system will need to be returned to
normal operating mode.
1. Supply power to the system, but system must be OFF with all
functions inactive.
2. Enter the Installer mode.
3. Set code to 46.
4. Press ON / OFF button and select the code number 46. Unit will
beep to acknowledge that code has been received.
5. Turn off power for a minimum of 30 seconds.
6. Turn power back on to system.
Enabling Cooling Only Mode
Before running the Pump Down procedure, the unit must be switched
to Cooling Only mode. To be able to run Cooling Only mode, the unit
you must enter the unit must be change to Installer mode by press-
ing the Reset button and the JET MODE button simultaneously.
1. Supply power to the system, but system must be OFF with all
functions inactive.
2. Enter the Installer mode.
3. Set code to 45.
4. Press ON / OFF button and select the code number 45. Unit will
beep to acknowledge that code has been received.
5. Turn off power for a minimum of 30 seconds.
6. Turn power back on to system.
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• After Cooling Only Mode is disabled, the unit will return to normal operation.
• Installer mode cannot be entered if the unit is running. The system must be completely OFF.
• All Installer code numbers must be entered when system is OFF.
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• Entire lock or Mode lock cannot be set if heating or automatic operation is set through a central controller.