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Installation of Indoor, Outdoor Unit
3) Piping length and the elevation
Capacity
Gas
5/8"
36k Btu/h
3/4"
42k Btu/h
48k Btu/h
3/4"
60k Btu/h
3/4"
Indoor unit
A
B
CAUTION
• 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.
28 Ceiling Duct type Air Conditioner
Pipe Size
(Diameter: Ø)
Liquid
Standard
3/8"
7.5
3/8"
7.5
3/8"
7.5
3/8"
7.5
Outdoor unit
Indoor unit
Length A(m)
Elevation B(m)
Max.
Standard
50
5
50
5
50
5
50
5
Outdoor unit
A
B
*Additional
refrigerant
(g/m)
Max.
30
50
30
50
30
70
30
90
Outdoor unit
A
Oil trap
Indoor unit
B
If piping length is more than 5m
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Troubleshooting
