58
Installation and Maintenance
Service Manual
Appendix:
Appendix 1: Reference Sheet of Celsius and Fahrenheit
Set temperature
Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32
Ambient temperature
Fahrenheit
display
temperature
（℉）
Fahrenheit
（℉）
Celsius
（℃）
Fahrenheit
display
temperature
（℉）
Fahrenheit
（℉）
Celsius
（℃）
Fahrenheit
display
temperature
（℉）
Fahrenheit
（℉）
Celsius
（℃）
32/33 32 0 55/56 55.4 13 79/80 78.8 26
34/35 33.8 1 57/58 57.2 14 81 80.6 27
36 35.6 2 59/60 59 15 82/83 82.4 28
37/38 37.4 3 61/62 60.8 16 84/85 84.2 29
39/40 39.2 4 63 62.6 17 86/87 86 30
41/42 41 5 64/65 64.4 18 88/89 87.8 31
43/44 42.8 6 66/67 66.2 19 90 89.6 32
45 44.6 7 68/69 68 20 91/92 91.4 33
46/47 46.4 8 70/71 69.8 21 93/94 93.2 34
48/49 48.2 9 72 71.6 22 95/96 95 35
50/51 50 10 73/74 73.4 23 97/98 96.8 36
52/53 51.8 11 75/76 75.2 24 99 98.6 37
54 53.6 12 77/78 77 25
Fahrenheit
display
temperature
（℉）
Fahrenheit
（℉）
Celsius
（℃）
Fahrenheit
display
temperature
（℉）
Fahrenheit
（℉）
Celsius
（℃）
Fahrenheit
display
temperature
（℉）
Fahrenheit
（℉）
Celsius
（℃）
61 60.8 16 69/70 69.8 21 78/79 78.8 26
62/63 62.6 17 71/72 71.6 22 80/81 80.6 27
64/65 64.4 18 73/74 73.4 23 82/83 82.4 28
66/67 66.2 19 75/76 75.2 24 84/85 84.2 29
68 68 20 77 77 25 86 86 30
Union pipe
Pipe cutter
Leaning Uneven Burr
Improper pipe expanding is the main cause of refrigerant leakage.Please
expand the pipe according to the following steps:
A:Cut the pip
● Conrm the pipe length according to the distance of indoor unit and outdoor unit.
● Cut the required pipe with pipe cutter.
B:Remove the burrs
● Remove the burrs with shaper and prevent the burrs from getting into the pipe.
C:Put on suitable insulating pipe
D:Put on the union nut
● Remove the union nut on the indoor connection pipe and outdoor valve; install
the union nut on the pipe.
E:Expand the port
● Expand the port with expander.
Appendix 2: Pipe Expanding Method
Note:
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