Owner’s Manual
PMBD3641ZR Four Port Branch Distribution Unit
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(Company) (Project Manager)
KNUDB091A
R32 Multi F 2 x 2 Four-Way Ceiling Cassette Indoor Unit
9,000 Btu/h
Performance:
Max. Nominal Port Capacity (Btu/h) (each port) Max. Nominal Unit Capacity (Btu/h) (sum of ports) Connected Indoor Unit Capacity (Btu/h) Power Input (W) |
Ports A, B, C: 24,000; Port D: 36,000 Ports A, B, C: 7,000 ~ 24,000; Port D: 24,000 or 36,000 73,000 97 |
Electrical:
Power Supply (V/Hz/Ø)¹ Rated Amps (A) |
208-230/60/1 0.4 |
Piping:
Piping Connections to Outdoor Unit:
Liquid Line (in., O.D.) Vapor Line (in., O.D.) |
Ø 3/8 Braze Ø 3/4 Braze |
Piping Connections to Indoor Unit:
Liquid Line (in., O.D.) Vapor Line (in., O.D.) |
Ø1/4 Flare x 4 Ø3/8 Flare x 3; Ø1/2 Flare x 1 |
Features:
- Distributes refrigerant to indoor units
- Internal components are insulated
- Compact design
Operating Range:
Temperature Range (°F D.B.) Maximum Humidity |
0 ~ 150 80% |
Unit Data:
Net Weight (lbs.) Shipping Weight (lbs.) Power Wiring: ODU→BDU, BDU→IDU (No x AWG)² Comm. Wiring: ODU→BDU, BDU→IDU (No x AWG)² |
19.6 23.4 3 x 14, 3 x 14 2 x 18, 2 x 18 |
Notes:
- Acceptable operating voltage: 187V-253V.
- The power wiring and the communication wiring from the outdoor unit to the branch distribution unit, and from the branch distribution unit to the indoor unit is field supplied and must be stranded, shielded or unshielded (if shielded, it must be grounded to the chassis of the outdoor unit only). All wiring must comply with applicable local and national codes.
a. Power Wiring and Communication Wiring from ODU to BDU (No. x AWG) 3 x 14 / 2 x 18.
b. Power Wiring and Communication Wiring from BDU to IDU (No. x AWG) 3 x 14 / 2 x 18. - Piping lengths:
• Maximum height difference between branch distribution unit and indoor units – 32.8 feet.
• Maximum height difference between branch distribution unit and branch distribution unit – 49.2 feet.
• Maximum piping length between branch distribution unit and indoor units – 49.2 feet. - The branch distribution unit should be installed inside of a building.
- Must follow installation instructions in the applicable LG installation manual.
- Socket adapter is not required for a 24MBH indoor unit connected to Port D of the PMBD3641ZR.
- Includes socket adapters for Port D pipe connection with a 36 MBH indoor unit.
Notes:
- For PMBD3620ZR Unit, Ports A and B are Available.
- For PMBD3630ZR Unit, Ports A, B, and C are Available.
- For PMBD3640ZR and PMBD3641ZR Units, Ports A, B, C, and D are Available.
For continual product development, LG reserves the right to change specifications without notice.
© LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. /www.lghvac.com
SB_Multi_F_MAX_BranchDistributionUnit_R32_PMBD3641ZR_2024_12_17_140901
Documents / Resources
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LG PMBD3641ZR Four Port Branch Distribution Unit [pdf] Owner's Manual PMBD3641ZR Four Port Branch Distribution Unit, PMBD3641ZR, Four Port Branch Distribution Unit, Branch Distribution Unit, Distribution Unit |