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Emerson Climate Technologies
155
EX Extended Capacity Tables
EX5-8 Nominal capacities (Tons) - as condensing pressure regulator and liquid duty
Valve Type R-407C R-22 R-134a R-404A
EX5
5 6 5 4
EX6
12 13 12 9
EX7
44 46 43 31
EX8
133 140 131 93
Refrigerant Evaporating Temperature Condensing Temperature Subcooling Pressure Drop
R-22, R-134a, R-404A +40°F +100°F 2°F 5 psid
R-407C +40°F dew point +100°F bubble 2°F 5 psid
Multiply above nominal capacities by following factors to obtain capacities at different pressure drops.
∆P, psid
2.0 3.0 5.0
Correction factor
0.65 0.76 1.00
R-22 Extended Capacities (Tons) - EX5-8 Series, condensing pressure regulator and liquid duty
Valve Type
Condensing Temperature
°F
Evaporating Temperature °F
50 40 30 20 10 0 -10 -20 -30 -40
EX5
140
4 4 4 4 4 4 4 4 4 4
EX6
10 10 10 10 10 9 9 9 9 9
EX7
36 36 35 35 34 33 33 32 31 31
EX8
111 109 107 105 104 102 100 98 96 94
EX5
130
5 5 5 4 4 4 4 4 4 4
EX6
11 11 11 10 10 10 10 10 10 9
EX7
39 38 38 37 37 36 35 35 34 33
EX8
118 116 115 113 111 109 107 105 103 101
EX5
120
5 5 5 5 5 5 5 5 4 4
EX6
12 12 11 11 11 11 11 10 10 10
EX7
42 41 41 40 39 39 38 37 37 36
EX8
126 125 123 121 119 117 115 113 111 109
EX5
110
5 5 5 5 5 5 5 5 5 5
EX6
12 12 12 12 12 12 11 11 11 11
EX7
44 43 43 42 42 41 40 40 39 38
EX8
133 132 130 128 126 124 122 120 118 116
EX5
100
6 6 6 5 5 5 5 5 5 5
EX6
13 13 13 13 12 12 12 12 12 11
EX7
47 46 46 45 44 44 43 42 41 41
EX8
142 140 138 136 134 132 130 128 126 124
R-134a Extended Capacities (Tons) - EX5-8 Series,
condensing pressure regulator and liquid duty
Valve Type Condensing Temperature °F
Evaporating Temperature °F
50 40 30 20
EX5
140
4 4 4 4
EX6
9 9 9 8
EX7
33 32 31 30
EX8
100 98 95 92
EX5
130
4 4 4 4
EX6
10 10 9 9
EX7
36 35 34 33
EX8
108 105 102 99