A
AF / DCU MANUAL
IOM-52 12 of 23 Apr 13 R2
RefrigerationTable2(R407C)PipingGuidelinesforNormalAirConditioningDuty.
R407C
Net
Evaporator
Capacity
EquivalentLength
(Actuallengthplusfittingsandvalves)
Maximum
RiserSize
Tons Line 30feet 50feet 100feet 150feet
3tons Suction
3/4”(7/8”) 7/8" 11/8” 11/8” 11/8"
Discharge
1/2" 5/8" 5/8" 3/4" 7/8"
Liquid
3/8" 3/8” 1/2" 1/2"
Condensate
5/8" 5/8"
4tons Suction
7/8" 7/8" 11/8” 11/8” 13/8"
Discharge
5/8" 5/8" 3/4”(7/8”) 7/8" 11/8"
Liquid
1/2” 1/2” 1/2" 1/2"
Condensate
5/8" 5/8"
5tons Suction
7/8" 11/8" 11/8" 13/8" 13/8"
Discharge
5/8" 3/4”(7/8”) 7/8" 7/8" 11/8"
Liquid
1/2" 1/2" 1/2" 5/8”
Condensate
3/4”(7/8”) 3/4”(7/8”)
7.5tons Suction
11/8" 11/8" 13/8" 13/8" 15/8"
Discharge
3/4”(7/8”) 7/8" 7/8" 11/8" 13/8"
Liquid 1/2" 5/8" 5/8" 5/8"
Condensate
7/8” 7/8”
10tons Suction
11/8" 13/8" 15/8" 15/8" 15/8"
Discharge
7/8" 7/8" 11/8" 11/8" 15/8"
Liquid
5/8" 5/8" 5/8" 3/4”(7/8”)
Condensate
11/8” 11/8”
12.5tons Suction
13/8" 13/8" 15/8" 21/8" 21/8"
Discharge
7/8" 7/8" 11/8" 11/8" 15/8"
Liquid
5/8” 5/8" 3/4”(7/8”) 3/4”(7/8”)
Condensate
11/8" 11/8"
15tons Suction
13/8" 15/8" 15/8" 21/8" 21/8"
Discharge
7/8" 11/8" 11/8" 13/8" 15/8"
Liquid
3/4”(7/8”) 3/4”(7/8”) 3/4”(7/8”) 7/8"
Condensate
11/8" 11/8"
20tons Suction
15/8" 15/8" 21/8" 21/8" 25/8"
Discharge
11/8" 11/8" 13/8" 13/8" 21/8"
Liquid 7/8" 7/8" 7/8" 11/8"
Condensate
13/8" 13/8"
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