Controls Setup - LG MULTI V ARNU073BGA4 Installation Manual

CONTROLS SETUP

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 in a group 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 (to a 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 52. If the indoor unit is a master, set switch 3 of the indoor unit's DIP switch to Off. If the indoor unit is a slave, set switch 3 of
the indoor unit's DIP switch to On.
Switch Function name
3 Group Control
4
Dry Contact Mode
5 Continuous Fan
DIP Switch Setting
HEATER INTERLOCK
SW6
*For use with Multi V systems, switches 1, 2, 6, 7, and 8 MUST be set to Off for ducted IDUs.
**To enable Generation 4 features, outdoor unit DIP Switch No. 3 must be set to ON. Please refer to the Multi V IV, Multi V
Water IV Engineering Manual for additional information. Please refer to the Multi V IV, Multi V Water IV, Multi V S Engineering
Manual for additional information.
72
Figure 52: Ducted IDU Master/Slave DIP Switch Settings
To Select MASTER:
No. 3: Off
Table 39: Ducted IDUs DIP Switch Settings
Off On
Group control setting using 7-Day Programmable Controller; selects Master/Slave on
Master Slave
each indoor unit
Sets operation mode for optional Dry Contact accessory:
1. Variable: Auto or Manual Mode can be set through 7-Day Programmable
Controller or Wireless Remote Controller (factory default setting is Auto if there is
Variable Auto
no setting)
2. Auto: For Dry Contact, it is always Auto mode
Selects continuous fan for ducted indoor units:
1. On: Indoor unit fan will always operate at a set fan speed, except when the
system is off, or the outdoor unit is in defrost mode (when the oudoor unit is in
Off On
defrost mode, the fan will operate at super low fan speed)
2. Off: Indoor unit fan speed can be changed by on/off
Table 40: NJ, NK Frame Additional DIP Switch Settings.
Off On
Off On
Due to our policy of continuous product innovation, some specifications may change without notification.
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To Select SLAVE:
No. 3: On
Remarks
Selects heater interlock function for vertical air handler units
1. On: Automatic (heater will automatically operate during heating mode)
2. Off: Manual (heater needs to be manually turned on during heating mode)
Remarks