Alco Controls
Alco Controls Alco Controls
Dual Pressure Controls Series PS2 108 Adjustment Range Factory Setting Leakage Test Pressure Type Part Upper Setpoint Differential Pressure Connection No. left right left right left right left right Combined Low and High Pressure Controls bar bar bar bar bar bar bar bar PS2-A7A 4 353 400 7 /16”-20 UNF PS2-A7K 4 350 900 capillary/nut PS2-A7L 4 713 565 -0.5 … 7 6 … 31 0.5 a ... 5 ca. 4 fix 3.5 / 4.5 20 25 36 cap./solder PS2-A7U 4 713 415 solder 6 mm PS2-A7X 4 713 416 solder ¼” PS2-L7A 4 351 100 external 7 /16”-20 UNF PS2-L7K 4 370 500 reset capillary nut PS2-L7L 4 440 800 -0.5 … 7 6 … 31 0.5 a ... 5 approx. 3.5 / 4.5 20 25 36 cap./solder PS2-L7U 4 713 417 4 bar under solder 6 mm PS2-L7X 4 713 418 setpoint solder ¼” PS2-R7A 4 351 300 external external 7 /16”-20 UNF PS2-R7K 4 713 421 reset reset capillary nut PS2-R7L 4 715 134 -0.5 … 7 6 … 31 approx. approx. 3.5 20 25 36 cap./solder PS2-R7U 4 713 419 1 bar above 4 bar under solder 6 mm PS2-R7X 4 713 420 setpoint setpoint solder ¼” Dual Pressure Controls PS2 TÜV / EN 12263 Combined Pressure Limiter for Low Pressure / High Pressure Protection PSL / PSH - automatic / automatic PS2-W7A 4 360 100 7 /16”-20 UNF PS2-W7K 4 450 200 capillary/nut PS2-W7L 4 450 300 -0.5 … 7 6 … 31 0.5a ... 5 ca. 4 fix 3.5 / 4.5 20 25 36 cap./solder PS2-W7U 4 712 436 solder 6 mm PS2-W7X 4 713 429 solder ¼“ Combined Pressure Limiter / Pressure Cut Out for Low Pressure / High Pressure Protection PSL / PZH - automatic / external manual reset PS2-C7A 4 353 500 external 7 /16”-20 UNF PS2-C7K 4 348 400 reset capillary/nut PS2-C7L 5 715 131 -0.5 … 7 6 … 31 0.5a ... 5 approx. 3.5 / 4.5 20 25 36 cap./solder PS2-C7U 4 713 422 4 bar under solder 6 mm PS2-C7X 4 713 423 setpoint solder ¼“ Combined Pressure Limiter / Safety Pressure Cut Out for Low Pressure / High Pressure Protection PSL / PZHH - automatic / internal manual reset PS2-T7A 4 368 500 internal 7 /16”-20 UNF PS2-T7K 4 448 000 reset capillary/nut PS2-T7L 4 715 132 -0.5 … 7 6 … 31 0.5a ... 5 approx. 3.5 / 4.5 21 25 36 cap./solder PS2-T7U 4 713 424 4 bar under solder 6 mm PS2-T7X 4 713 425 setpoint solder ¼“ a) lowest possible setpoint: -0.9 bar PS2 A2.5.1/0706/E
Dual Pressure Controls PS2 TÜV / EN 12263 Accessories A2.5.1/0706/E Adjustment Range Factory Setting Leakage Test Pressure Type Part Upper Setpoint Differential Pressure Pressure Connection No. left right left right left right left right bar bar bar bar bar bar bar bar Combined Pressure Cut Out for Low Pressure / High Pressure Protection PZL / PZH external manual reset / external manual reset PS2-B7A 4 360 200 external external 7 /16”-20 UNF PS2-B7K 4 446 600 reset reset capillary nut PS2-B7L 4 446 700 -0.5 … 7 6 … 31 approx. approx. 3.5 20 25 36 cap./solder PS2-B7U 4 449 400 1 bar above 4 bar under solder 6 mm PS2-B7X 4 713 426 setpoint setpoint solder 1/4“ Combined Pressure Cut Out / Safety Pressure Cut Out for High Pressure / High Pressure Protection PZH / PZHH external manual reset / internal manual reset PS2-G8A 4 368 600 external internal 7 /16”-20 UNF PS2-G8K 4 445 500 reset reset capillary/nut PS2-G8L 4 715 133 6 … 31 6 … 31 approx. approx. 20 21 36 36 cap./solder PS2-G8U 4 713 427 4 bar under 4 bar under solder 6 mm PS2-G8X 4 713 428 setpoint setpoint solder 1/4“ 82 12,6 25,2 12,6 12,5 4,5 40 Mounting Mounting plate for bracket angle units with hood Extension bracket Part No.: 803 799 Part No.: 803 801 Part No.: 803 800 65 50,5 25,2 25 5 25,2 25,2 12,6 18 25 30 41 120 4 4,5 12,5 40 25 Universal Capillary Tube with two Copper Gasket Set for R ¼“ mounting flare nuts 7 / 16”-20 UNF, R ¼“ ( 7 / 16”-20 UNF, female) bracket 1,5m 100 pcs package Part No.: 803 798 Part No.: 803 804 Part No.: 803 780 25 12,5 4,5 M 4 25 25 25 109
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- Page 89 and 90: 2. Liquid Application Liquid Correc
- Page 91 and 92: A2.5.1/0706/E Mechanical Pressure R
- Page 93 and 94: Hot Gas Bypass Regulators Series AC
- Page 95 and 96: Head Pressure Control Valves Series
- Page 97 and 98: Evaporator and Crankcase Pressure R
- Page 99 and 100: A2.5.1/0706/E Fan Speed Controllers
- Page 101 and 102: Technical Data Function Diagram A2.
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- Page 109: Single Pressure Controls Series PS1
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- Page 117 and 118: Function of contacts A2.5.1/0706/E
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- Page 127 and 128: Connections Type Part Connection A2
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- Page 137 and 138: Moisture Liquid Indicators Series A
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- Page 143 and 144: Oil Separator Series OS A2.5.1/0706
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Dual Pressure <strong>Controls</strong> Series PS2<br />
108<br />
Adjustment Range Factory Setting Leakage Test Pressure<br />
Type Part Upper Setpoint Differential Pressure Connection<br />
No. left right left right left right left right<br />
Combined Low and High Pressure <strong>Controls</strong><br />
bar bar bar bar bar bar bar bar<br />
PS2-A7A 4 353 400 7 /16”-20 UNF<br />
PS2-A7K 4 350 900 capillary/nut<br />
PS2-A7L 4 713 565 -0.5 … 7 6 … 31 0.5 a ... 5 ca. 4 fix 3.5 / 4.5 20 25 36 cap./solder<br />
PS2-A7U 4 713 415 solder 6 mm<br />
PS2-A7X 4 713 416 solder ¼”<br />
PS2-L7A 4 351 100<br />
external<br />
7 /16”-20 UNF<br />
PS2-L7K 4 370 500 reset capillary nut<br />
PS2-L7L 4 440 800 -0.5 … 7 6 … 31 0.5 a ... 5 approx. 3.5 / 4.5 20 25 36 cap./solder<br />
PS2-L7U 4 713 417 4 bar under solder 6 mm<br />
PS2-L7X 4 713 418<br />
setpoint<br />
solder ¼”<br />
PS2-R7A 4 351 300<br />
external external<br />
7 /16”-20 UNF<br />
PS2-R7K 4 713 421 reset reset capillary nut<br />
PS2-R7L 4 715 134 -0.5 … 7 6 … 31 approx. approx. 3.5 20 25 36 cap./solder<br />
PS2-R7U 4 713 419 1 bar above 4 bar under solder 6 mm<br />
PS2-R7X 4 713 420<br />
setpoint setpoint<br />
solder ¼”<br />
Dual Pressure <strong>Controls</strong> PS2 TÜV / EN 12263<br />
Combined Pressure Limiter for Low Pressure / High Pressure Protection<br />
PSL / PSH - automatic / automatic<br />
PS2-W7A 4 360 100<br />
7 /16”-20 UNF<br />
PS2-W7K 4 450 200 capillary/nut<br />
PS2-W7L 4 450 300 -0.5 … 7 6 … 31 0.5a ... 5 ca. 4 fix 3.5 / 4.5 20 25 36 cap./solder<br />
PS2-W7U 4 712 436 solder 6 mm<br />
PS2-W7X 4 713 429 solder ¼“<br />
Combined Pressure Limiter / Pressure Cut Out for Low Pressure / High Pressure Protection<br />
PSL / PZH - automatic / external manual reset<br />
PS2-C7A 4 353 500<br />
external<br />
7 /16”-20 UNF<br />
PS2-C7K 4 348 400 reset capillary/nut<br />
PS2-C7L 5 715 131 -0.5 … 7 6 … 31 0.5a ... 5 approx. 3.5 / 4.5 20 25 36 cap./solder<br />
PS2-C7U 4 713 422 4 bar under solder 6 mm<br />
PS2-C7X 4 713 423<br />
setpoint<br />
solder ¼“<br />
Combined Pressure Limiter / Safety Pressure Cut Out for Low Pressure / High Pressure Protection<br />
PSL / PZHH - automatic / internal manual reset<br />
PS2-T7A 4 368 500<br />
internal<br />
7 /16”-20 UNF<br />
PS2-T7K 4 448 000 reset capillary/nut<br />
PS2-T7L 4 715 132 -0.5 … 7 6 … 31 0.5a ... 5 approx. 3.5 / 4.5 21 25 36 cap./solder<br />
PS2-T7U 4 713 424 4 bar under solder 6 mm<br />
PS2-T7X 4 713 425<br />
setpoint<br />
solder ¼“<br />
a) lowest possible setpoint: -0.9 bar<br />
PS2<br />
A2.5.1/0706/E
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