Omega OTEC IEWQ Series - Appendices; Technical Reference Data

77
Installation and Maintenance
Service Manual
Appendix:
2.Min. length of connection pipe is 3m.
4.The additional refrigerant oil and refrigerant charging required after prolonging connection pipe
each additional 5m of connection pipe.
refrigerant charging amount per meter is different according to the diameter of liquid pipe. See the following sheet.
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
(
o
F)
Fahrenheit
(
o
F)
Celsius(
o
C)
Fahrenheit
display
temperature
(
o
F)
Fahrenheit
(
o
F)
Celsius(
o
C)
Fahrenheit
display
temperature
(
o
F)
Fahrenheit
(
o
F)
Celsius(
o
C)
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
(
o
F)
Fahrenheit
(
o
F)
Celsius(
o
C)
Fahrenheit
display
temperature
(
o
F)
Fahrenheit
(
o
F)
Celsius(
o
C)
Fahrenheit
display
temperature
(
o
F)
Fahrenheit
(
o
F)
Celsius(
o
C)
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
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)
15 20
15 50
30 120
60 120
/ 250 250
/ 350 350