Brochure

Emerson Climate Technologies
91
EX Valves & Controls
EX2 – Pulse Modulated Electric
145
Liquid Tem-
perature
entering
Valve °C
R134a
Correction Factor Kt
Evaporating Temperature °C
+15 +10 [phone]
+55 1.21 1.23 1.26 1.29 1.33 1.33 1.39 1.43 1.47 1.52 1.62
+50 1.13 1.15 1.17 1.20 1.23 1.26 1.28 1.32 1.36 1.39 1.48
+45 1.06 1.08 1.10 1.12 1.15 1.17 1.19 1.22 1.26 1.29 1.37
+40 0.99 1.01 1.03 1.05 1.08 1.10 1.12 1.14 1.17 1.20 1.27
+35 0.94 0.96 0.97 0.99 1.01 1.03 1.05 1.07 1.10 1.12 1.18
+30 0.89 0.91 0.92 0.94 0.96 0.98 0.99 1.01 1.03 1.06 1.11
+25 0.85 0.86 0.87 0.89 0.91 0.92 0.94 0.95 0.97 1.00 1.04
+20 0.81 0.82 0.83 0.85 0.89 0.88 0.89 0.91 0.92 0.94 0.98
+15 0.77 0.78 0.79 0.81 0.82 0.84 0.84 0.86 0.88 0.89 0.93
+10 0.75 0.76 0.77 0.78 0.80 0.81 0.82 0.84 0.85 0.89
+5 0.73 0.74 0.75 0.76 0.77 0.78 0.80 0.81 0.84
0 0.71 0.72 0.73 0.74 0.75 0.76 0.78 0.81
-5 0.69 0.70 0.71 0.72 0.73 0.74 0.77
-10 0.68 0.68 0.69 0.70 0.71 0.74
Correction Factor KΔp
Δp 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 21.0
KΔp 1.34 1.25 1.18 1.12 1.07 1.02 0.98 0.95 0.91 0.88 0.86 0.83 0.79 0.75 0.72 0.69 0.67 0.65 0.63 0.61 0.59 0.57 0.56 0.55
Liquid Tem-
perature
entering
Valve °C
R404A
Correction Factor Kt
Evaporating Temperature °C
+15 +10 [phone] -40
+55 1.42 1.46 1.50 1.55 1.61 1.68 1.75 1.83 1.92 2.01 2.13 2.25
+50 1.23 1.26 1.30 1.34 1.38 1.43 1.48 1.54 1.61 1.68 1.75 1.84
+45 1.10 1.12 1.15 1.18 1.22 1.26 1.30 1.34 1.39 1.45 1.51 1.57
+40 0.99 1.02 1.04 1.07 1.09 1.13 1.16 1.20 1.24 1.28 1.33 1.38
+35 0.91 0.93 0.95 0.97 1.00 1.02 1.05 1.08 1.11 1.15 1.19 1.23
+30 0.84 0.86 0.88 0.90 0.92 0.94 0.96 0.99 1.02 1.05 1.08 1.11
+25 0.79 0.80 0.82 0.83 0.85 0.87 0.89 0.92 0.94 0.97 0.99 1.02
+20 0.74 0.75 0.77 0.78 0.80 0.81 0.83 0.85 0.87 0.90 0.92 0.95
+15 0.70 0.71 0.72 0.73 0.75 0.76 0.78 0.80 0.82 0.84 0.86 0.88
+10 0.67 0.68 0.69 0.71 0.72 0.74 0.75 0.77 0.79 0.81 0.83
+5 0.65 0.66 0.67 0.68 0.70 0.71 0.73 0.74 0.76 0.78
0 0.63 0.64 0.65 0.66 0.68 0.69 0.71 0.72 0.74
-5 0.61 0.62 0.63 0.65 0.66 0.67
0.69 0.70
-10 0.60 0.61 0.62 0.63 0.64 0.65 0.67
Correction Factor KΔp
Δp 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 21.0
KΔp 1.74 1.63 1.54 1.46 1.39 1.33 1.28 1.23 1.19 1.15 1.12 1.09 1.03 0.98 0.94 0.9 0.87 0.84 0.81 0.79 0.77 0.75 0.73 0.71
Liquid Tem-
perature
entering
Valve °C
R744
Correction Factor Kt
Evaporating Temperature °C
[phone] -40
+5 1.12 1.10 1.09 1.08 1.08 1.08 1.07 1.07 1.08 1.08
0 1.02 1.01 1.01 1.00 1.00 1.00 1.00 1.00 1.01
-5 0.95 0.94 0.94 0.94 0.94 0.94 0.94 0.94
-10 0.89 0.89 0.88 0.88 0.88 0.89 0.89
-15 0.84 0.84 0.84 0.84 0.84 0.84
-20 0.80 0.80 0.80 0.80 0.80
-25 0.76 0.76 0.76 0.76
-30 0.73 0.73 0.73
-35 0.70 0.70
-40 0.67
Correction Factor KΔp
Δp 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 21.0 22.0 23.0 24.0 25.0 26.0 27.0 28.0
KΔp 1.81 1.65 1.53 1.43 1.35 1.28 1.22 1.17 1.12 1.08 1.05 1.01 0.98 0.95 0.93 0.91 0.88 0.86 0.84 0.83 0.81 0.79 0.78 0.77