Service Manual  55
Installation
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)