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Appendix
Appendix 1: Reference Sheet of Celsius and Fahrenheit
Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32
Set temperature
Fahrenheit display
Fahrenheit
temperature（
o
F）
61
62/63
64/65
66/67
68
Ambient temperature
Fahrenheit display
Fahrenheit
temperature（
o
F）
32/33
34/35
36
37/38
39/40
41/42
43/44
45
46/47
48/49
50/51
52/53
54
Appendix 2: Configuration of Connection Pipe
1.Standard length of connection pipe(More details please refer to the specifications.)
2.Min. length of connection pipe is 3m.
3.Max. length of connection pipe and max. high difference.(More details please refer to the specifications.)
4.The additional refrigerant oil and refrigerant charging required after prolonging connection pipe
● After the length of connection pipe is prolonged for 10m at the basis of standard length, you should add 5ml of refrigerant oil for each
additional 5m of connection pipe.
● The calculation method of additional refrigerant charging amount (on the basis of liquid pipe):
● Basing on the length of standard pipe, add refrigerant according to the requirement as shown in the table. The additional refrigerant
charging amount per meter is different according to the diameter of liquid pipe. See the following sheet.
● Additional refrigerant charging amount = prolonged length of liquid pipe X additional refrigerant charging amount per meter
Piping size
Liquid pipe
1/4"
1/4" or 3/8"
1/2"
5/8"
3/4''
7/8''
Installation and Maintenance
Celsius
Fahrenheit display
o
o
temperature（
（
F）
（
C）
60.8
16
62.6
17
64.4
18
66.2
19
68
20
Celsius
Fahrenheit display
temperature（
o
o
（
F）
（
C）
32
0
33.8
1
35.6
2
37.4
3
39.2
4
41
5
42.8
6
44.6
7
46.4
8
48.2
9
50
10
51.8
11
53.6
12
Additional refrigerant charging amount for R32
Gas pipe
3/8" or 1/2"
5/8" or 3/4"
3/4" or 7/8"
1" or 1 1/4"
/
/
Fahrenheit
o
o
F）
（
F）
69/70
69.8
71/72
71.6
73/74
73.4
75/76
75.2
77
77
Fahrenheit
o
o
F）
（
F）
55/56
55.4
57/58
57.2
59/60
59
61/62
60.8
63
62.6
64/65
64.4
66/67
66.2
68/69
68
70/71
69.8
72
71.6
73/74
73.4
75/76
75.2
77/78
77
Indoor unit throttle
Cooling only,
cooling and heating
(g / m)
14
40
80
136
200
280
Celsius
Fahrenheit display
o
temperature（
o
（
C）
F）
21
78/79
22
80/81
23
82/83
24
84/85
25
86
Celsius
Fahrenheit display
temperature（
o
o
（
C）
F）
13
79/80
14
81
15
82/83
16
84/85
17
86/87
18
88/89
19
90
20
91/92
21
93/94
22
95/96
23
97/98
24
99
25
Outdoor unit throttle
Cooling only(g/m)
12
12
24
48
200
280
Fahrenheit
Celsius
o
o
（
F）
（
C）
78.8
26
80.6
27
82.4
28
84.2
29
86
30
Fahrenheit
Celsius
o
o
（
F）
（
C）
78.8
26
80.6
27
82.4
28
84.2
29
86
30
87.8
31
89.6
32
91.4
33
93.2
34
95
35
96.8
36
98.6
37
Cooling and heating(g/m)
16
40
96
96
200
280
119
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