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Branch distribution units are designed for use with LG Multi F (LMU540HV) outdoor units. The branch distribution unit is used as an intermediate refrigerant control device between the outdoor unit and the indoor units to effectively and efficiently control the heating or cooling operation of the system through the use of electronic expansion valves.
| Model # |
PMBD3620 |
PMBD3630 |
PMBD3640 |
PMBD3641 |
| No. of Connectable Indoor Units1 |
1 to 2 |
1 to 3 |
1 to 4 |
1 to 4 |
| Max. Nominal Capacity / Port (Btu/h)2 |
24,000 |
24,000 |
24,000 |
Port A, B, C – 24,000 & Port D – 36000 |
| Max. Nominal Capacity / BD Unit (Btu/h) |
48,000 |
72,000 |
73,000 |
73,000 |
| Max. Nominal
Capacity / BD Unit (Btu/h) |
48,000 |
72,000 |
73,000 |
73,000 |
| Unit Data |
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| Refrigerant Type |
R410A |
R410A |
R410A |
R410A |
| Power Supply (V, Ø, Hz) |
208-230, 1, 60 |
208-230, 1, 6 |
208-230, 1, 60 |
208-230, 1, 60 |
| Power Input (W) |
16 |
24 |
32 |
32 |
| Rated Amps (A) |
0.08 |
0.12 |
0.16 |
0.16 |
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| Dimensions |
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| W x H x D (inch) |
17
3/32 x 6 13/32 x 10 23/32 |
17 3/32 x 6 13/32 x 10 23/32 |
17 3/32 x 6 13/32 x 10 23/32 |
17 3/32 x 6 13/32 x 10 23/32 |
| Net Unit Weight (lbs.) |
13 |
14.3 |
15.7 |
15.7 |
| Shipping Weight (lbs.) |
15 |
17 |
18 |
18 |
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| Power Wiring / Communication Cables3 |
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| From Outdoor Unit to BD Unit (Qty. x AWG)3 |
4 x 16 |
4 x 16 |
4 x 16 |
4 x 16 |
| From BD Unit to Indoor Unit (Qty. x AWG)3 |
4 x 18 |
4 x 18 |
4 x 18 |
4 x 18 |
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| Piping Connections |
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| Outdoor Unit to BD Unit [Liquid (in., OD)] |
Ø3/8 |
Ø3/8 |
Ø3/8 |
Ø3/8 |
| Outdoor Unit to BD Unit [Vapor (in., OD)] |
Ø3/4 |
Ø3/4 |
Ø3/4 |
Ø3/4 |
| BD Unit to Indoor Units [Liquid (in., OD) x
Qty.] |
Ø1/4 x 2 |
Ø1/4 x 3 |
Ø1/4 x 4 |
Ø1/4 x 3 |
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|
Ø3/8 x 1 |
| BD Unit to Indoor Units [Vapor (in., OD) x Qty.] |
Ø3/8 x 2 |
Ø3/8 x 3 |
Ø3/8 x 4 |
Ø3/8 x 3 |
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|
Ø5/8
x 1 |
| Piping Lengths |
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| Max. Total System Piping (ft.)4 |
476 |
476 |
476 |
476 |
| Max. Main Pipe Length (Outdoor Unit to BD Units
[ft.]) |
180 |
180 |
180 |
180 |
| Total Branch Piping (BD Units to Indoor Units
[ft.]) |
295 |
295 |
295 |
295 |
| Max. Branch Pipe Length Between BD
Unit & Each Indoor Unit [ft.]) |
49 |
49 |
49 |
49 |
| Max. Outdoor Unit to Indoor Unit Pipe Length
(ft.) |
230 |
230 |
230 |
230 |
| Piping Length (No Additional Refrigerant [ft.]; |
147 |
147 |
147 |
147 |
| 16 ft. of Main
Piping + 131 ft. of Branch Piping) |
| Max. Elevation between BD Unit and Indoor Unit
(ft.) |
33 |
33 |
33 |
33 |
| Max. Elevation between BD Unit and BD Unit (ft.) |
49 |
49 |
49 |
49
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