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7 | Piping installation

Installer reference guide

2MXM40+50A

R32 Split series

4P600463-4E – 2021.12

4 Flare the pipe. Set exactly at the position as shown in the following figure.

Flare tool for R32

(clutch type)

Conventional flare tool

Clutch type

(Ridgid-type)

Wing nut type

(Imperial-type)

A 0~0.5mm 1.0~1.5mm 1.5~2.0mm

5 Check that the flaring is properly made.

a b

a Flare’s inner surface MUST be flawless.

b The pipe end MUST be evenly flared in a perfect circle.

c Make sure the flare nut is fitted.

7.2.6 Connections between outdoor and indoor unit using reducers

Total indoor unit capacity class that can be connected to this outdoor unit:

Outdoor unit Total indoor unit capacity class

2MXM40 ≤6.0kW

2MXM50 ≤8.5kW

Port Class Reducer

2MXM40

A 15, 20, 25, 35 —

B 15, 20, 25, 35 —

2MXM50

A 15, 20, 25, 35, 42

(a)

—

B 15, 20, 25, 35 1+2

42, 50 —

(a)

Use optional accessory.

Reducer type Connection

1 Ø12.7mm → Ø9.5mm

2 Ø12.7mm → Ø9.5mm

Daikin 2MXM50A2V1B User Manual

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