LG MULTI V ARNU48GBRZ4 Manual page 20

MULTI V
Indoor Unit
11. Installation
11.1 Installation Limit
Read completely, then follow step by step.
1. Fresh Air Intake Unit Combination
No Connection Condition
Only Fresh Air Intake Unit
1
installation
Mixture Installation with standard
2
indoor units and Fresh Intake Units
CAUTION
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 could not be connected to Heat Recovery Models.
• The total capacity of indoor units could not exceed 100% of outdoor unit.
Only Fresh Air
Intake Unit install
Mixture Install
Wrong Install
* FAU : Fresh Air Intake Unit, Standard: Standard Indoor Unit
20
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.
Outdoor : 10HP
FAU
5HP
Outdoor : 20HP
Outdoor : 20HP
Combination
FAU
5HP
FAU
Standard Standard
5HP
5HP 5HP
FAU
Standard Standard
5HP 5HP 5HP
Fresh Air Intake Unit
Standard
5HP
Standard Standard
5HP 5HP