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superheat    
vt. 使过热
n. 过热

使过热过热

Superheat \Su`per*heat"\, v. t. [imp. & p. p. {Superheated}; p.
pr. & vb. n. {Superheating}.]
1. To heat too much, to overheat; as, to superheat an oven.
[1913 Webster]

2. (Steam Engine) To heat, as steam, apart from contact with
water, until it resembles a perfect gas.
[1913 Webster]

3. To heat (a liquid) above its boiling point without
converting it into vapor.
[Webster 1913 Suppl.]


Superheat \Su"per*heat`\, n.
The increase of temperature communicated to steam by
superheating it.
[1913 Webster]


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  • Discharge Superheat - HVAC-Talk
    discharge superheat is one of my favorite topics and checks it is the sum accumulation of the entire refrigeration system but, at the end of the day, it isn't a directly adjustable measurement no valve no knob nothing to adjust
  • What is normal R22 superheat? - HVAC-Talk
    The correct answer is that there is no "normal" superheat Even if the system is TXV metered, the superheat could be vastly different from one system to the next If it is a txv metered system, you only want to check superheat to tell if the txv is operating properly, never to charge
  • Discharge Superheat - HVAC-Talk
    Discharge Superheat Below is a collection of contributions to HVAC-Talk from various members Jayguy I LOVE talking about discharge superheat! i think that it is one of the most under used items that we DON'T measure i can tell you more about the compressor and system by only using discharge superheat than most
  • Superheat - HVAC-Talk
    superheat without installing an additional pressure tap at the bulb location However, to eliminate any doubt as to the amount of suction line pressure drop and to be absolutely precise in measuring superheat, a gauge must be installed in the suction line at the bulb location Care must be taken to make a reasonable allowance for
  • Setting superheat on TXVs - HVAC-Talk
    I understand the concept of superheat but just want to be sure which way to turn it Also is there a standard as far as getting a TXV back to "factory settings" Ive inherited mechanical maintainence of a building with 2 80 ton A Cs
  • TXV and 0 degrees superheat? - HVAC-Talk
    Refrigerant charge has an big effect on their performance; overcharge and you will see flood back (low superheat) These valves have a wide range (from 3 to 20 degrees superheat) depending on what mode the system is running in- low, high, dehum
  • superheat on r-404a - HVAC-Talk
    The walkin box I'm working on, trying to achieve -10 F (which it never had problems achieveing in the past) All of a sudden decided to creep up 5 degrees Here are the readings Head Pressure 250 psia (air temp into condenser coil 77-78 F ) 250 head pressure = 104 deg F subcooling
  • best way to check superheat - HVAC-Talk
    superheat should be checked and adjustments made if necessary Generally, systems with a design TD of 10¢ªF should have a superheat value of 6¢ª to 10¢ªF for maximum efficiency For systems operating at higher TDʼs, the superheat can be adjusted to 12¢ª to 15¢ª ¢ªF as required NOTE: Minimum compressor suction superheat
  • Discharge superheat? - HVAC-Talk
    Dear Trane2york, Answer #1: Discharge Superheat = Temperature of discharge line 6” downstream of the compressor discharge service valve (semi-hermetic) or discharge connection (hermetic) – saturated temperature of the liquid line (obtained from P T conversion of liquid line pressure)
  • superheat | HVAC-Talk: Heating, Air Refrigeration Discussion
    Both of you are correct Look at it this way, there are basically two kinds of superheat in a system: Evaporator superheat- to check adjust a txv valve operation; Compressor superheat - used to ensure no liquid refrigerant gets returned to the compressor Called cool gas return sometimes





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