Ecoer EAHAEC-36 - 5.5.1 Installation principle; 5.5.2 Key points of drainage water pipe installation

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SDi Decades Extreme Service Manual www.ecoer.com
May. 2023Manufacturer reserves the right to change specifications or designs without notice.
For horizontal drainage pipe (The following table is for reference)
PVC pipe
Reference value of
inner diameter of pipe
(mm)
Allowable
maximum water flowrate (l/h)
Remark
Slope
1/50
Slope
1/100
PVC25
20
39
27
For branch pipe
PVC32
25
70
50
PVC40
31
125
88
Could be used for
confluence pipe
PVC50
40
247
175
PVC63
51
473
334
Attention: Adopt PVC40 or bigger pipe to be the main pipe.
For Vertical drainage pipe (The following table is for reference)
PVC pipe
Reference
value of inner diameter
of pipe (mm)
Allowable maximum water
flowrate (l/h)
Remark
PVC25
20
220
For branch pipe
PVC32
25
410
PVC40
31
730
Could be used for
confluence pipe
PVC50
40
1440
PVC63
51
2760
PVC75
67
5710
PVC90
77
8280
3. Individual design of drainage pipe system
• The drainage pipe of air conditioner shall be installed separately with other sewage pipe, rainwater pipe and
drainage pipe in building.
4. Supporter gap of drainage pipe
• In general, the supporter gap of the drainage pipe horizontal pipe and vertical pipe is respectively 1m~1.5m and
1.5m~2.0m.
• Each vertical pipe shall be equipped with not less than two hangers.
• Overlarge hanger gap for horizontal pipe shall create bending, thus leading to air block.
5. The horizontal pipe layout should avoid converse flow or bad flow
Attention: Adopt PVC40 or bigger pipe to be the main pipe.
• The drainage pipe of the indoor unit with water pump should be apart from the one without water pump.