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Heat pump 50Hz/R410A _ 3

4. BD Unit (Distributor Box)

Part 2 Product data_Outdoor units

4.3 Piping Diagrams

Main gas

piping (ø19.05)

Refrigerant flow

D Liquid(Ø6.35)

C Liquid(Ø6.35)

B Liquid(Ø6.35)

A Liquid(Ø6.35)

D Gas(Ø9.52)

C Gas(Ø9.52)

Cooling

Heating

Main liquid

piping (ø9.52)

Outdoor

unit

Indoor

unit

EEV-C

EEV-B

EEV-A

EEV-D

B Gas(Ø9.52)

A Gas(Ø9.52)

Notes;

1. Flare connection for the field piping connection

2. Adjust to indoor unit and outdoor unit piping size. Use the connector if the pipe size is

not matched when connecting indoor unit.

3. EEV : Electronic Expansion Valve

4. PMBD3620 : A, B

PMBD3630 : A, B, C

PMBD3640 : A, B, C, D

[Unit : mm]

LG MULTI F A3UW21GFA0 User Manual

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