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4 Branch Distributor
Accessories
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".
System Layout and Piping Length
For installation of the indoor units. Follow the instructions in the installation manual for each unit.
Do not connect more than 8 indoor units together choose the distributor unit type
(2rooms,3rooms or 4rooms) according to the installation pattern
Distributor Unit
1. Should assemble more than 40% (19k) of standard capacity (48k) in the outdoor unit and
with over 2 indoor units.
2. Should use the private distributor (PMBD7230) in case of 30k and 36k indoor units.
NOTICE
System Layout
h1
A
Branch
Pipe
Main Pipe
Branch
Distributor
Branch
Distributor
L5 L6 L7 L8
L1
L2 L3
L4
B
h2
• Y Branch Pipe(Option)
- Included in outdoor unit
- Can not be purchased separately
40k(6rooms)
48k~72k(7~8rooms)
[R410A]
h1
A
Branch
Pipe
Main Pipe
Branch
Distributor
Branch
Distributor
L5 L6 L7 L8
L1
L2 L3
L4
B
h2
70k~150k(2~8rooms)
[R22]
R410A
2 PMBD3620
3 PMBD3630
4 PMBD3640
Rooms
Refrigerant
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