LG ARUM072BTE5 Installation Manual page 134

PRE-COMMISSIONING
Setting the Optional Modes
Comfort Cooling (Id10)
When comfort cooling is on, the indoor unit cooling coil target super-
heat value is raised in steps as the space temperature approaches
the setpoint temperature. This results in warmer chilled air coming
from the indoor unit. Comfort Cooling must be set on an indoor unit
to indoor unit basis unless the apply to all option is selected.
Setting the Comfort Cooling Operation Mode.
Power up the system, including all outdoor unit(s), indoor units, and heat recovery units (in Heat Recovery Systems only).
Turn OFF all indoor units where Comfort Cooling will be applied. Comfort Cooling cannot be applied to any indoor unit that is ON.
Select the "Idu" mode by using the SW03C forward ►button and the SW02C backward ◄ button, and then press the SW01C confirm ● button.
Select the "Id10" function by using the SW03C forward ►button and the SW02C backward ◄ button, and then press the SW01C confirm ● button.
Select which indoor units will operate in Comfort Cooling. Select "ALL" if Comfort Cooling is to be applied to all indoor units. Select "EACH"
if Comfort Cooling is to be applied to some indoor units. After the selection is made, press the SW01C confirm ● button.
If "EACH" was selected, the indoor units that are to be operating in Comfort Cooling must be identified. Use the SW03C forward ►button
and the SW02C backward ◄ button to scroll through the list of indoor units on the system, and then press the SW01C confirm ● button to choose.
The maximum amount of superheat reset that Comfort Cooling allows must be selected. Range is displayed in °C, and the higher the value
The first one / two digits on the outdoor unit PCB SSD identify the address of the indoor unit being set for Comfort Cooling; the last two digits rep-
resent the current Comfort Cooling range assigned to that indoor unit. (See the "Setting Comfort Cooling Operation" table for the available options.)
Use the SW03C forward ►button and the SW02C backward ◄ button to find the appropriate Comfort Cooling setting. After the selection is made,
Repeat previous three (3) steps for all indoor units chosen for Comfort Cooling operation. Use the SW02C backward ◄ button to access the indoor
units on the system. Use the SW03C forward ►button and the SW02C backward ◄ button to find the appropriate Comfort Cooling setting. After the
After all indoor units have been set, press the SW02C backward ◄ button multiple times to return to the setting menu, or to exit the setting menu
The Comfort Cooling Operation mode is set. No outdoor unit PCB reset or power cycle required.
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Access the outdoor unit SSD display on the main PCB.
Turn No. 5 on the master outdoor unit PCB DIP switch bank SW01 to ON.
Use LGMV to identify the addresses of the indoor units on the system.
chosen, the higher the leaving air temperature will be allowed in Comfort Cooling.
press the SW01C confirm ● button.
selection is made, press the SW01C confirm ● button.
Turn No. 5 on the master outdoor unit PCB DIP switch bank SW01 to OFF.
Due to our policy of continuous product innovation, some specifications may change without notification.
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Table 60: Setting Comfort Cooling Operation.
Settings
00
01
02
03
completely.
Function
OFF, Do Not Use Comfort Cooling on the
Selected Indoor Unit.
4°C (7.2°F)
2°C (3.6°F)
1°C (1.8°F)