Carrier ROOM AIR CONDITIONER Installation Manual page 14

For horizontal drainage pipe(The following table is for reference)
Attention: Adopt PVC40 or bigger pipe to be the main pipe.
Reference value of inner
PVC pipe
diameter of pipe
PVC 25
PVC 32
PVC 40
PVC 50
PVC 63
For vertical drainage pipe(The following table is for reference)
Attention: Adopt PVC40 or bigger pipe to be the main pipe.
Reference value of inner
PVC pipe
diameter of pipe
PVC 25
PVC 32
PVC 40
PVC 50
PVC 63
The horizontal pipe layout should avoid converse flow or bad flow:
Drainage pipe
Water flow
Drain tee
Water flow
Branch pipe
Keep a certain degree
(mm)
20
25
31
40
51
(mm)
20
25
31
40
51
Drainage pipe
Water flow
Water flow
Drain tee
Water flow
Gas
Main pipe
Fig.30
INSTALLATION INSTRUCTIONS
Allowable maximum water flowrate
(l/h)
Slope 1/100
Slope 1/50
27
39
50
70
125 88
175
247
473 334
Allowable maximum water flowrate
(l/h)
220
410
730
1440
2760
Drainage pipe
Water flow
Water flow
Water flow
Water flow
Branch pipe
13
Remark
For branch pipe
Could be used for
confluence pipe
Remark
For branch pipe
Could be used for
confluence pipe
Drain tee
Water flow
Water flow
Gas
Main pipe