LG A2UQ166FA0, Service Manual, Page: 82 / 238

82 Multi type Air Conditioner
Installation
PRECAUTIONS FOR SELECTING THE LOCATION
The BD unit is for indoor use. Install in a location such as above a ceiling or behind a wall in accordance with the
following conditions:
• That the unit is fully supported, and is in a location with little or no vibration.
• That the refrigerant pipes for the indoor and outdoor units can be repaired with ease, and that the units are
placed well within the distance from each other allowed by the pipe length.
• That there is nothing nearby that produces heat or steam(gas).
• When installing, that there is enough carity for servicing the unit.
• Do not install in location that is hot or humid for long periods of time.
• A well-ventilated area.
• Do not install near bedrooms. The sound of refrigerant flowing through the piping may sometimes be audible.
For restrictions on installation, refer to "INSTALLATION".
For installation of the indoor units. Follow the instructions in the installation manual for each unit.
System Layout
Do not connect more than 8 indoor
units together choose the distributor
unit type (2rooms,3rooms or 4rooms)
according to the installation pattern
System Layout and Piping Length
Distributor Unit
For 2 rooms : PMBD3620 (Ø9.52, Ø6.35)
For 3 rooms : PMBD3630 (Ø9.52, Ø6.35)
For 4 rooms : PMBD3640 (Ø9.52, Ø6.35)
For 3 rooms : PMBD7230 (A: Ø12.7, Ø6.35)
(B: Ø15.88, Ø6.35)
(C: Ø15.88, Ø6.35)
h1
A
Branch
Pipe
Main Pipe
Branch
Distributor
Branch
Distributor
L5 L6 L7 L8
L1
L2 L3 L4
B
h2
• Y Branch Pipe
- Included in outdoor unit
- Can not be purchased separately
40K(6rooms)
48K~56K(7~8rooms)
5. Branch Distributor