35
n tallation anual
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1. Standard length of connection pipe
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2. Min. length of connection pipe is 3m.
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Cooling capacity
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of connection pipe
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difference
Cooling capacity
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of connection pipe
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difference
5000Btu/h(1465W)
15
5
24000Btu/h(7032W)
25
10
7000Btu/h(2051W)
15
5
28000Btu/h(8204W)
30
10
9000Btu/h(2637W)
15
5
36000Btu/h(10548W)
30
20
12000Btu/h(3516W)
20
10
42000Btu/h(12306W)
30
20
18000Btu/h(5274W)
25
10
48000Btu/h(14064W)
30
20
4. The additional refrigerant oil and refrigerant charging required after prolonging connection pipe
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for each additional 5m of connection pipe.
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Additional refrigerant charging amount = prolonged length of liquid pipe × additional refrigerant charging amount per meter
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refrigerant charging amount per meter is different according to the diameter of liquid pipe. See the following sheet.
Additional refrigerant charging amount for R22, R407C, R410A and R134a
Diameter of connection pipe
Outdoor unit throttle
Liquid pipe(mm)
Gas pipe(mm)
Cooling only(g/m)
Cooling and heating(g/m)
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ɎRUɎ
15
20
ɎRUɎ
ɎRUɎ
15
50
Ɏ
ɎRUɎ
30
120
Ɏ
ɎRUɎ
60
120
Ɏ
-
250
250
Ɏ
-
350
350
