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20 CHAPTER 2 Graphical Symbols for Drawings
1951 Guide Ventilating
Tj----------- *
23. Deflecting Damper
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)
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12 X 20
4
OR R 20X 12)
IXH---------($ 20 x 12)
it--^CR 20 X 12 - 700 Cf m 1^--dcG*O X 12- 700 Cf m
o- TR-I2X8 700Cf 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) 36. Supply Outlet Wall (Indicate Type)
37. Vanes 38. Volume Damper
L 20)^12-700 Cfm
20*DIAM.I0Q0 Cfm
TR- 12X8 700 Cfm
Abbreviations and. Symbols
Graphical Symbols for Drawings
39. Capillary Tube-------VWW :
40. Compressor
41. Compressor, Enclosed, Crankcase, Ro tary, Belted
42 Compressor, Open Crank case, Recipro cating, Belted
43 Compressor, Open Crank case, Recipro cating, Direct. Drive
44. Condenser, Air Cooled, Finned, Forced Air
45. Condenser, Air Cooled, Finned,
Static
-E46. Condenser, Water Cooled,
O
47. Condenser, Water Cooled. Shell and Coil
48. Condenser, Water Cooled, Shell and Tube
` 49. Condensing Unit, Air Cooled
50. Condensing Unit, Water Cooled
1----r
Q -
51. Cooling Tower
52. Dryer
53. Evaporative Condenser
54. Evaporator, Circular, Ceil ing Type, Finned
55. Evaporator, Manifolded, Bare Tube, Gravity Air
56. Evaporator, . Manifolded, Finned, Forced Air
----
--rS __ t
21
Air Conditioning
57. Evaporator Mani folded, Finned, Gravity Air
58. Evaporator, Plate Coils, Headered or Manifold
59. Filter, Line
60. Filter & Strainer, Line
61. Finned Type Cool-i ing Unit, Natural Convection
62. Forced Convec tion Cooling Unit
63. Gage
OIOIO oop ololo
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) )
3D
2
64. High Side Float
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
e-6"
-6
sor, Sealed Crank case,Recipro. eating
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70. Motor-CompresBor, Sealed Crank case, Rotary
71. Pressurestat ---ty\Ar-(p)-JWV--
72. Pressure Switch
73. Pressure Switch With High Pressure Cut-Out
74. Receiver, Horizontal
'75. Receiver, Vertical
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