Controls Setup - LG ARNU073TUC4 Instruction Manual

Controlling the Indoor Unit
The method and configuration of controlling the indoor unit will vary according to your system's requirements.
• It is possible to control up to 16 indoor units with one wired remote controller
• Set only one indoor unit to Master, set the others to Slave
• This indoor unit can be connected in a control group with any other types of LG indoor units
• It is possible to use a wireless remote controller at the same time as the wall controller
• It is possible to connect a Dry Contact and Central controller at the same time (Master indoor unit only)
• A Central controller can control all indoor units in a group by controlling the master unit of the group
• Slave indoor units can not be individually controlled by the Central controller.
DIP Switch Settings
Refer to Figure 38. Set switch 3 of the indoor unit's DIP switch to Off if the unit is Master. Set switch 3 to On if the
unit is Slave. For use with Multi V systems, ceiling cassette DIP switches 1, 2, 6 and 7 MUST be set to Off.
Note:
• Switch 8 MUST be set to ON (Gen 4) for a Generation 4 indoor unit to function with Generation 4 features
• Generation 4 features also require Generation 4 outdoor units
Switch Function
3 Group Control
4 Dry Contact
Ceiling Cassettes:
5
No Function
Communications
8
Data Rate
Figure 38: DIP Switch Settings
To Select MASTER:
No. 3: Off
OFF
Master
Variable
N/A
Generation 2 Generation 4
Due to our policy of continuous product innovation, some specifications may change without notification.
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CONTROLS SETUP

To Select SLAVE:
No. 3: On
ON
Slave Selects master or slave operation for the IDU
Selects mode of operation for optional dry contact:
Variable: Auto or Manual mode can be set with a 7-day
Auto programmable controller or wireless remote
controller (factory setting is Manual)
Auto: Selects Auto mode
N/A
Selects IDU/ODU communications data rate.
Gen 2 data rate is 1.2kbps. Gen 4 data rate is 9.6kbps.
Description
N/A
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