LG PMUB11A INSTALLATION INSTRUCTIONS

Installation Manual 1

INSTALLATION MANUAL

Branch Kit

To prevent injury to the user or other people and property damage, the following instructions
must be followed.

WARNING

CAUTION

This symbol indicates the possibility of death or serious injury.

This symbol indicates the possibility of injury or damage.

• Consult with the sale agency or the professional installation shop for installation.

• Carefully read Install Manual before installation.

• When refrigerant gas leaks before installation, perform air circulation before work.

• If refrigerant gas touches with fire devices, harmful gas may occur.

• Install product by using dedicated tools and pipe material manufactured for R410A (refrigerant).

• Check refrigerant leaks after work is completed.

• Be careful so that thermal insulation materials and neighboring inflammable substance should
not be ignited when welding.

• Take care so that children should not touch with a vinyl bag and a sharp accessory.

• Wrap thermal insulation materials so that dew will not form on a pipe of refrigerant.

• Refer to Combination Table for the indoor connection capacity.

ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH

WARNING

CAUTION

2 Branch Kit

1. Type of branch pipe

Separately use a branch pipe depending on indoor capacity for installation.

Unbalance type of branch pipe must be connected depending on large capacity or small
capacity.

2. Accessory for Installation

3. SPEC for branch pipe connection part

• Procure other parts than those specified in this manual in the scene

• No.

parts are used for connection of 48/60k indoor unit.

Indoor Classification

2 UNIT

3 UNIT

4 UNIT

Model Name

PMUB11A

PMUB23A
PMUB122A
PMUB112A
PMUB111A

PMUB1111A

Capacity Ratio(%)

50:50 (1:1)

40:60 (2:3)
20:40:40 (1:2:2)
25:25:50 (1:1:2)
33:33:33 (1:1:1)

25:25:25:25(1:1:1:1)

Remark

Unbalance type
Unbalance type
Unbalance type

Manual Gas pipe Liquid pipe Insulation(Gas pipe) Insulation(Liquid pipe)

Insulation Band Socket

(I.D)

Ø19.05(3/4) Ø25.4(1)
Ø9.52(3/8) Ø12.7(1/2)
Ø12.7(1/2) Ø15.88(5/8)
Ø6.35(1/4) Ø9.52(3/8)
Ø9.52(3/8) Ø12.7(1/2)

a

b

B

A

D

C

(Ø15.88→Ø19.05)

(Gas pipe)

(Liquid pipe)

( ):inch