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Service Manual
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
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2.Min. length of connection pipe is 9.84ft.
3.Max. length of connection pipe and max. high dif���������������
4.The additional refrigerant oil and refrigerant charging required after prolonging connection pipe
● After the length of connection pipe is prolonged for 32.81ft at the basis of standard length, you should add 0.0013gal of refrigerant
oil for each additional 16.40ft 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
Installation and Maintenance
Fahrenheit
Celsius(
o
C)
(
o
F)
temperature
60.8
16
62.6
17
64.4
18
66.2
19
68
20
Fahrenheit
Celsius(
o
C)
(
o
F)
temperature
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 R22, R407C, R410A and R134a
Diameter of connection pipe
Liquid pipe(inch)
Gas pipe(inch)
Ф1/4
Ф3/8or Ф1/2
Ф1/4 or Ф3/8
Ф5/8 or Ф3/4
Ф1/2
Ф3/4 or Ф7/8
Ф5/8
Ф1 or Ф1 1/4
Ф3/4
Ф7/8
display
Fahrenheit
Celsius(
(
o
F)
(
o
F)
69/70
69.8
21
71/72
71.6
22
73/74
73.4
23
75/76
75.2
24
77
77
25
display
Fahrenheit
Celsius(
(
o
F)
(
o
F)
55/56
55.4
13
57/58
57.2
14
59/60
59
15
61/62
60.8
16
63
62.6
17
64/65
64.4
18
66/67
66.2
19
68/69
68
20
70/71
69.8
21
72
71.6
22
73/74
73.4
23
75/76
75.2
24
77/78
77
25
Outdoor unit throttle
Cooling only(oz/ft.) Cooling and heating(oz/ft.)
0.2
0.2
0.3
0.7
/
2.7
/
3.8
Fahrenheit
display
Fahrenheit
o
C)
temperature
(
o
(
o
F)
78/79
78.8
80/81
80.6
82/83
82.4
84/85
84.2
86
86
Fahrenheit
display
Fahrenheit
o
C)
temperature
(
o
(
o
F)
79/80
78.8
81
80.6
82/83
82.4
84/85
84.2
86/87
86
88/89
87.8
90
89.6
91/92
91.4
93/94
93.2
95/96
95
97/98
96.8
99
98.6
0.2
0.6
1.3
1.3
2.7
3.8
Celsius(
o
C)
F)
26
27
28
29
30
Celsius(
o
C)
F)
26
27
28
29
30
31
32
33
34
35
36
37
74
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