Alco Controls - Grobelny
Alco Controls - Grobelny
Alco Controls - Grobelny
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2<br />
Liquid Correction Factor K t<br />
Temperature R 134a Evaporating Temperature<br />
entering Valve °C<br />
°C + 5 + 0 +5 0 -5 - 0 - 5 -20 -25 -30<br />
+55 .2 .23 .26 .29 .33 .36 .39 .43 .47 .52<br />
+50 . 3 . 5 . 7 .20 .23 .26 .28 .32 .36 .39<br />
+45 .06 .08 . 0 . 2 . 5 . 7 . 9 .22 .26 .29<br />
+40 0.99 .0 .03 .05 .08 . 0 . 2 . 4 . 7 .20<br />
+35 0.94 0.96 0.97 0.99 .0 .03 .05 .07 . 0 . 2<br />
+30 0.89 0.9 0.92 0.94 0.96 0.98 0.99 .0 .03 .06<br />
+25 0.85 0.86 0.87 0.89 0.9 0.92 0.94 0.95 0.97 .00<br />
+20 0.8 0.82 0.83 0.85 0.89 0.88 0.89 0.9 0.92 0.94<br />
+ 5 0.77 0.78 0.79 0.8 0.82 0.84 0.84 0.86 0.88 0.89<br />
+ 0 0.75 0.76 0.77 0.78 0.80 0.8 0.82 0.84 0.85<br />
+5 0.73 0.74 0.75 0.76 0.77 0.78 0.80 0.8<br />
0 0.7 0.72 0.73 0.74 0.75 0.76 0.78<br />
-5 0.69 0.70 0.7 0.72 0.73 0.74<br />
- 0 0.68 0.68 0.69 0.70 0.7<br />
Correction Factor K∆p<br />
∆p (bar) 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0<br />
K∆p .34 .25 . 8 . 2 .07 .02 0.98 0.95 0.9 0.88 0.86 0.83<br />
∆p (bar) 0.0 .0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 20.0 2 .0<br />
K∆p 0.79 0.75 0.72 0.69 0.67 0.65 0.63 0.6 0.59 0.57 0.56 0.55<br />
Liquid Correction Factor K t<br />
Temperature R 407C Evaporating Temperature<br />
entering Valve °C<br />
°C + 5 + 0 +5 0 -5 - 0 - 5 -20 -25<br />
+55 .26 .28 .3 .34 .37 .40 .44 .48 .52<br />
+50 . 5 . 7 . 9 .22 .24 .27 .30 .33 .37<br />
+45 .06 .08 . 0 . 2 . 4 . 7 . 9 .22 .25<br />
+40 0.99 .0 .02 .04 .06 .08 . . 3 . 6<br />
+35 0.93 0.94 0.96 0.98 0.99 .0 .03 .05 .07<br />
+30 0.88 0.89 0.90 0.92 0.93 0.95 0.97 0.99 .0<br />
+25 0.83 0.84 0.85 0.87 0.88 0.90 0.9 0.93 0.95<br />
+20 0.79 0.80 0.8 0.82 0.84 0.85 0.86 0.88 0.90<br />
+ 5 0.75 0.76 0.77 0.78 0.80 0.8 0.82 0.84 0.85<br />
+ 0 0.73 0.74 0.75 0.76 0.77 0.78 0.80 0.8<br />
+5 0.7 0.72 0.73 0.74 0.75 0.76 0.77<br />
0 0.69 0.70 0.7 0.72 0.73 0.74<br />
-5 0.67 0.68 0.69 0.70 0.7<br />
- 0 0.65 0.66 0.67 0.68<br />
Correction Factor K∆p<br />
∆p ( bar ) 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0<br />
K∆p .8 .69 .59 .5 .44 .38 .33 .28 .23 . 9 . 6 . 3<br />
∆p ( bar ) 0.0 .0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 20.0 2 .0<br />
K∆p .07 .02 0.98 0.94 0.90 0.87 0.84 0.82 0.80 0.78 0.76 0.74<br />
Nominal capacities at +38° C condensing temperature,<br />
+4°C evaporating temperature (saturated temperatures<br />
/ dew point) and K liquid subcooling at the inlet of the<br />
expansion valve.<br />
A2.5. /0604/E
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