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Installation
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5.2) Drainpipe Trap
5.2.1 If the pressure at the connection of the drainpipe is negative, it needs to design
drainpipe trap.
5.2.2 Every indoor unit needs one drainpipe trap.
5.2.3 A plug should be designed to do cleaning.
Pl ug
50
cm
50
cm
5.3) Upward drainage (drain pump)
To ensure the gradient 1/100, the drainpipe can be lifted to 340mm. After upwards, place
downwards, or it will cause malfunction to drain pump.
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.
5.4.3 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)
Summary of Contents for R-410A
Page 103: ...Wall mount 102 Part 4 2 Wall Mounted...
Page 113: ...Wall mount 112 4 Dimensions 4 1 YDS 22 36EC 4 2 YDS 45 56EC...
Page 115: ...Wall mount 114 5 Piping Diagrams 5 1 YDS 22 56EC 5 2 YDS 22 56HC...
Page 116: ...Wall mount 115 6 Wiring diagrams 6 1 YDS 22 36EC 6 2 YDS 45 56EC...
Page 117: ...Wall mount 116 6 3 YDS 22 56HC...
Page 118: ...Wall mount 117 7 Sound level 7 1 Test condition 7 2 Noise spectrums YDS 22 36EC HC...
Page 119: ...Wall mount 118 YDS 45 56EC HC...
Page 120: ...Wall mount 119 8 Velocity temperature distribution Discharge angle 70...