Midea MIV V4+ Mini Service Manual page 59

DM12-01.01.05en
5.3 Upward drainage (drain pump)
5.3.1 For Four-way cassette(compact)
5.3.2 For Four-way cassette
5.4 Convergent drainage
5.4.1 The number of indoor units should be as small as possible to prevent the traverse main pipe overlong.
5.4.2 Indoor unit with drain pump and indoor unit without drain pump should be in different drainage system.
Selection the diameter
Number of connecting indoor units→Calculate drainage volume→Select the diameter
Calculate allowed volume =Total cooling capacity of indoor units (HP) × 2 (l/ hr)
Hard PVC
Hard PVC
Hard PVC
Hard PVC
Hard PVC
Installation
Allowed volume(lean 1/100) (l/ hr)
∽≤14
14＜∽≤88
88＜∽≤334
175＜∽≤334
334＜∽
MIV V4+ Mini DC Inverter R410A (220V, 8 kW)
I.D. (mm)
25
30
40
50
80
Thick
3.0
3.5
4.0
4.5
6.0
57