Daikin 2MXM40A2V1B - Connections between outdoor and indoor unit using reducers

7 | Piping installation
Installer reference guide
37
2MXM40+50A
R32 Split series
4P600463-4E – 2021.12
4 Flare the pipe. Set exactly at the position as shown in the following figure.
A
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
c
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