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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 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
  • 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
  • HVAC-Talk: Heating, Air Refrigeration Discussion
    HVAC-Talk: Heating, Air Refrigeration Discussion
  • Discharg Super heat | HVAC-Talk: Heating, Air Refrigeration Discussion
    Discharge superheat is less important than it once was, but did you know that it is why R-502 was invented? To hold down the discharge superheat of doing the same job with R-22 Discharge superheat is less critical than it once was because other things have improved so much Mineral oils used to badly carbon up the valves with excess discharge
  • The 1st chart The 2nd chart The 3rd chart - HVAC-Talk
    Checking superheat or sub-cooling or figuring coil temperature on R-407c is different and can be confusing with the many chart styles and big a temperature glide Look at the three charts below at 40*f The 1st chart shows shows two corresponding pressures at 40*f Vapor pressure and liquid pressure
  • York Chiller Low Discharge Superheat - HVAC-Talk
    York Chiller Low Discharge Superheat - HVAC-Talk
  • What is normal R22 superheat? - HVAC-Talk
    just look at a superheat chart you just take a couple things into account like ambient temperature and some other stuff and it will tell you what the superheat should be, as long as it is a fixed oriface, not a TXV The superheat tells you how much refrigerant is in the evap and how the unit is performing The subcool tells you proper charge
  • 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
    Wow 20 to 40° superheat at the compressor Inlet? That's kind of near on the high end what was there but I couldn't figure out what kind of freon it was running and it was occasionally hitting the low pressure cut off and so I'm going to recover and put in a fresh load so I have some idea of what's going on





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