Lennox LI012CI-230P432 Owner's Manual page 33

1. Standard length of connection pipe
2.Min. length of connection pipe is 3m.
3.Max. length of connection pipe and max. high difference.
Max length
Cooling
of connec-
capacity
tion pipe
5000Btu/h
15
(1465W)
7000Btu/h
15
(2051W)
9000Btu/h
15
(2637W)
12000Btu/h
20
(3516W)
18000Btu/h
25
(5274W)
4. The additional refrigerant oil and refrigerant charging required after prolonging
connection pipe
standard length, you should add 5ml of refrigerant oil for each additional 5m
of connection pipe.
of liquid pipe):
Additional refrigerant charging amount = prolonged length of liquid pipe ×
additional refrigerant charging amount per meter
the prolonged length of liquid pipe. The additional refrigerant charging amount
per meter is different according to the diameter of liquid pipe. See the
following sheet.
Max height Cooling
difference capacity
24000Btu/h
5
(7032W)
28000Btu/h
5
(8204W)
36000Btu/h
5
(10548W)
42000Btu/h
10
(12306W)
48000Btu/h
10
(14064W)
31
Max length
Max height
of connec-
difference
tion pipe
25 10
30 10
30 20
30 20
30 20