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20 CHAPTER 2
Graphical Symbols for Drawings i
1957 Guide Ventilating
23. Deflecting Damper
fa
.24. Direction of Flow
25. Duct (1st Figure, Side Shown; 2nd Side not Shown)
26. Duct Section (Exhaust or Return)
27. Duct Section (Supply)
28. Exhaust Inlet Ceiling (Indicate Type)
29. Exhaust Inlet Wall (Indicate Type)
12 X 20
or r 20x12)
IXH--------(S 20X12)
cfiv^-eCR 20 X 12 - 700 m
k--Jcg'zox 12- 700 c^m
PHU____ TR-I24C8
I |n 70oc^m
30. Fan and Motor With Belt Guard
31. Inclined Drop in Respect to Air Flow 32. Inclined Rise in Respect to Air Flow
33. Intake Louvers on Screen 34. Louver Opening 35. Supply Outlet Ceiling (Indicate Type)
-V\r |_ L 201^12-700 Cfm
C^) 20* 01AM. loop C^m
36. Supply Outlet Wall (Indicate Type)
37. Vanes 38. Volume Damper
Abbreviations, Symbols, Conversion Factors
21
Graphical Symbols for Drawings
.Atr Conditioning
39. Capillary Tube ----AAAAAr~"
40. Compressor
8
'41. Compressor,
Enclosed, Crankcase, Ro tary, Belted
O
42. Compressor, Open Crank case, Recipro cating, Belted
/=\
43. Compressor, Open Crank case, Recipro cating, Direct Drive
38844. Condenser, Air Cooled, Finned, Forced Air
45. Condenser, Air Cooled, Finned, Static
_ C --
57. Evaporator Mani folded, Finned, Gravity Air
58. Evaporator, Plate Coils> Headered or Manifold
59. Filter, Line
60. Filter & Strainer, Line
KD--
61. Finned Type Cooi ng Unit, Natural Convection
62. Forced Convec tion Cooling Unit
63. Gage
--qitt if) -4-Wt ttPP
30 2
64. High Side Float
46. Condenser,
Water Cooled, Concentric Tube in a Tube
47. Condenser, Water Cooled, Shell and Coil
i.
48. Condenser, Water Cooled, Shell and Tube
49. Condensine
Unit, Air ~S?6
Cooled
50- Condensing Unit, Water
-L6,
Cooled
61. Cooling Tower
52. Dryer
65. Immersion Cooling Unit
66. Low Side Float
67. Motor-Compres sor, Enclosed Crankcase, Reciprocating, Direct Connected
68. Motor-Compres sor, Enclosed Crankcase, Rotary, Direct Connected
69. Motor-Compres sor, Sealed Crank case, Recipro cating
<Sk"> ->
53. Evaporative Condenser
4- Evaporator, Circular, Ceil ing Type, Finned
55 Evaporator, Manifolded Bare Tube, Gravity Air
56' Evaporator
Manifolded, Finned Forced Air
OOO OOOo Oo
OOO OOO
K>
0 o 01
70. Motor-Compres sor, Sealed Crank case, Rotary
&)
71. Pressurestat ~AAAr-(p)--VW--
72. Pressure Switch
73. Pressure Switch With High Pressure Cut-Out
74. Receiver, Horizontal
75 Receiver, Vertical
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