Heat Controller DMC18SB-1 - Piping Length and Elevation

Service Manual 17
Piping Length And Elevation
• Capacity is based on standard length and maximum allowance length is on the basis of reliability.
• Oil trap should be installed every 5~7meters (16.4~23.0ft).
In case more than 5m(16.4ft)
Outdoor unit
Indoor unit
A
B
A
Oil trap
Outdoor unit
Indoor unit
B
Pipe Size
Capacity
(Btu/h)
Suction Evap
Max.
length
A
m(ft)
Additional Refrigerant
g/m(oz/ft)
Max.
Elevation
B m(ft)
Standard
Length
m(ft)
9k
3/8" 1/4" 7.5(25) 7.5(25) 15(49) 20(0.22)
1/2" 1/4" 7.5(25) 7.5(25) 15(49) 20(0.22)
12k 1/2" 1/4" 7.5(25) 7.5(25) 15(49) 20(0.22)
18k
1/2" 1/4" 7.5(25) 15(49) 30(98) 20(0.22)
5/8" 1/4" 7.5(25) 7.5(25) 15(49) 20(0.22)
24k 5/8" 1/4" 7.5(25) 7.5(25) 15(49) 20(0.22)
Installation