Amprobe ACDC-620T Clamp-On-Multimeter Manual do Utilizador descarregar pdf (Página 61)

Condenser Sub-cool

Like the evaporator, the condenser is sized so that all the gas will be condensed

before the last few coils, the liquid temperature drops slightly below the condensing

temperature. In the case of an overloaded condenser or one short of refrigerant,

there will be little or no subcooling.

Indication

Efficient

Condenser

Low

Refrigerant

Ambient air

temperature (T2)

C o n d e n s i n g

Te m p e r a t u r e

( T 1 )

95°F

35°C

95°F

35°C

95°F

35°C

90°F

32°C

95°F

35°C

102°F

39°C

105°F

41°C

7°F

4°C

170°F

77°C

190°F

88°

88°F

31°C

115°F

46°C

10°F

-12°C

2°F

-17°C

10°F

-12°C

5°F

-15°C

10°F

-12°C

100°F

38°C

95°F

35°C

15°F

-9°C

75°F

24°C

95°F

35°C

120°F

49°C

45°F

7°C

145°F

63°C

10°F

6°C

120°F

49°C

60°F

34°C

225°F

107°C

35°F

19°C

225°F

107°C

150°F

66°C

130°F

54°C

Inefficient

Compressor

Overloaded

Condenser

Non-

Condensable

Gas

This is an example of temperature indications for normal operation and various

malfunctions for typical sir conditioning unit.

125°F

52°C

30°F

17°C

∆T

Super

Heat

190°F

88°C

120°F

49°C

225°F

107°C

225°F

107°C

170°F

77°C

Vapor

Liquid

Out

Sub-

cool

1 2 ... 56 57 58 59 60 61 62 63 64 65

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