LG MULTI V ARNU07GTUA4 Engineering Product Data Book page 364

Indoor unit
11. Installation
11.1 Installation Limit
Read completely, then follow step by step.
1. Fresh Air Intake Unit Combination
N o C o n n c e o i t n C o n i d
Only Fresh Air Intake Unit installation
1
Mixture Installation with standard
2
indoor units and Fresh Intake Units
Failure to comply with the above connection conditions for installation, it can cause cooling &
heating capacity down.
2. Connection of the Outdoor Unit
It is possible to connect Heat Pump Models.
It is not possible to connect Heat Recovery Models.
<Only Fresh Air Intake Unit install>
Outdoor : 10HP
FAU
5HP
<Wrong Install>
Outdoor : 20HP
The total capacity of indoor units exceed 100% of outdoor unit
o i t n
1) The total capacity of Fresh Air Intake Unit should be 50~100% of outdoor unit.
2) The max quantity of Fresh Air Intake unit is 4 Units.
1) The total capacity of indoor units (standard Indoor Unit + Fresh Air Intake Unit)
should be 50~100% of outdoor unit.
2) The total capacity of Fresh Air Intake Units should be less than 30% the total
capacity of indoor units.
<Mixture Install>
Outdoor : 20HP
FAU
5HP
FAU
Standard Standard
5HP 5HP 5HP
C o m b n i a o i t n
FAU
Standard
5HP
5HP
Standard Standard
5HP 5HP
* FAU : Fresh Air Intake Unit
Standard: Standard Indoor Unit
Fresh Air Intake Unit
Standard Standard
5HP 5HP
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