28
Ceiling Duct type Air Conditioner
Installation of Indoor, Outdoor Unit
3) Piping length and the elevation
Outdoor unit
Indoor unit
A
B
Outdoor unit
Indoor unit
A
B
A
Oil trap
Outdoor unit
Indoor unit
B
If piping length is more than 5m
50
50
70
90
Capacity
Gas
5/8"
3/4"
3/4"
3/4"
Liquid
3/8"
3/8"
3/8"
3/8"
Elevation B(m)
Length A(m)
*Additional
refrigerant
(g/m)
Pipe Size
(Diameter: Ø)
Standard
7.5
7.5
7.5
7.5
Standard
5
5
5
5
Max.
50
50
50
50
Max.
30
30
30
30
36k Btu/h
42k Btu/h
48k Btu/h
60k Btu/h
• If 36k Model is installed at a distance of 50m, 2,125g of refrigerant should be added (50-7.5) x 50g = 2,125g
• Capacity is based on standard length and maximun allowance length is on the basis of reliability.
• Improper refrigerant charge may result in abnormal cycle.
• Oil trap should be installed every 5~7 meters.
CAUTION
