Gree GWC09MB-D3DNK Series Owner's Manual page 36

32
Check after installation
1. Standard length of connection pipe: • 5m, 7.5m, 8m.
2. Min. length of connection pipe is 3m.
3. Max. length of connection pipe and max. rise difference.
Cooling
capacity
5000Btu/h
(1465W)
7000Btu/h
(2051W)
9000Btu/h
(2637W)
12000Btu/h
(3516W)
18000Btu/h
(5274W)
4.Additional regrigerant liquid and refrigerant charging required after
extending connection pipe
• The calculation method of additional refrigerant charging amount (on the
basis of liquid pipe):
Additional refrigerant charging quantity = prolonged length of liquid pipe x
additional refrigerant charging amount per meter
• Based on the length and diameter of standard pipe, add refrigerant
as per the following chart.
Max length Max rise
of connection difference
pipe
15 5
15 5
15 5
20 10
25 10
Cooling Max length
capacity of connection
pipe
24000Btu/h 25
(7032W)
28000Btu/h 30
(8204W)
30
36000Btu/h
(10548W)
30
42000Btu/h
(12306W)
30
48000Btu/h
(14064W)
Max rise
difference
10
10
20
20
20