Alco Controls

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106 Alco Controls Pressure Controls Series PS1 / PS2 Features • Adjustable pressure range • Automatic and manual reset versions • Flare and solder connections • Shatter resistant contacts • High operational current, locked rotor max. 144 Amps (LRA) • Standard SPDT with same operational current rating for both contacts • Dual pressostat with two separate SPDT for high and low pressure side • Including sealable blocking plate and mounting screws Options • Convertible reset to reduce stock • Further pressure connections • Factory set to customer specification Technical Data PS1 / PS2 Type of Contacts 1 SPDT for PS1 2 separate SPDT for PS2 Inductive Amp. (AC15) 10 A / 230V AC Inductive Amp. (DC13) 0,1 A / 230V DC Motor Rating, Full Load Amp. 24 A / 120/240V AC Motor Rating, Locked Rotor Amp. 144 A / 120/240V AC Single Pressure Controls PS1 Standards PS1 PS2 • per Low Voltage Directive • per PED Directive 97/23 EG, TÜV appr. versions only • Manufactured and tested to our own responsibility standards on • Underwriter Laboratories • German Lloyd for use on ships, when equipped with marine-type cable gland Protection acc. DIN 40050 / IEC 529 IP 44 Ambient Temperature Range -50°C .. +70°C Max. Temperature at Pressure Connection +70°C Vibration Resistance (10 to 1000 Hz) 4 g Cable Entry Grommet PG 16 Locking Device Blocking Plate Mounting Screws M4 / UNC 8-32 Adjustment Range Type Part Upper Differential Lowest Factory Leakage Test Pressure No. Setpoint Setpoint Setting Pressure Connection bar bar bar bar bar Low Pressure Controls PS1-A3A 4 370 700 7 /16”-20 UNF PS1-A3K 4 370 600 capillary/nut PS1-A3L 4 714 945 -0.5 … 7 0.5 … 5 -0.9 3.5 / 4.5 25 cap./solder PS1-A3U 4 712 201 solder 6 mm PS1-A3X 4 713 430 solder ¼“ PS1-R3A PS1-R3K PS1-R3L PS1-R3U PS1-R3X 4 350 100 4 713 431 4 715 135 4 713 432 4 713 433 -0.5 … 7 external reset approx. 1 bar above setpoint -0.9 3.5 25 7 /16”-20 UNF capillary nut cap./solder solder 6 mm solder ¼“ High Pressure Controls PS1-A5A 4 350 500 7 /16”-20 UNF PS1-A5K 4 370 400 capillary/nut PS1-A5L 4 715 136 6 … 31 2 … 15 3 16 / 20 36 cap./solder PS1-A5U 4 713 325 solder 6 mm PS1-A5X 4 713 434 solder ¼“ PS1-R5A PS1-R5K PS1-R5L PS1-R5U PS1-R5X 4 350 700 4 370 300 4 715 137 4 713 435 4 713 436 6 … 31 ext. manual reset low approx. 3 bar under setpoint - 20 36 7 /16”-20 UNF capillary/nut cap./solder solder 6 mm solder ¼“ A2.5.1/1003/E
Single Pressure Controls Series PS1 TÜV / EN 12263 A2.5.1/1003/E Adjustment Range Alco Controls Type Part Upper Differential Lowest Factory Leakage Test Pressure No. Setpoint Setpoint Setpoint Setting Pressure Connection bar bar bar bar bar Pressure Limiter for Low Pressure Protection PSL - Automatic Reset PS1-W3A 4 368 300 7 /16”-20 UNF PS1-W3K 4 321 400 capillary/nut PS1-W3L 4 715 138 -0.5 ... 7 0.5 ... 5 -0.9 3.5 / 4.5 25 cap./solder PS1-W3U 4 713 437 solder 6 mm PS1-W3X 4 713 438 solder ¼“ Pressure Cut Out for Low Pressure Protection PZL - External Reset PS1-B3A 4 470 400 external 7 /16”-20 UNF PS1-B3K 4 715 139 reset capillary/nut PS1-B3L 4 715 140 -0.5 … 7 approx. 1 bar -0.9 3.5 25 cap./solder PS1-B3U 4 715 141 above solder 6 mm PS1-B3X 4 715 142 setpoint solder ¼“ Pressure Limiter for High Pressure Protection PSH - Automatic Reset PS1-W5A 4 353 200 7 /16”-20 UNF PS1-W5K 4 359 100 capillary/nut PS1-W5L 4 715 143 6 … 31 2 … 15 3 16 / 20 36 cap./solder PS1-W5U 4 713 439 solder 6 mm PS1-W5X 4 713 440 solder ¼“ Pressure Cut Out for High Pressure Protection PZH - External Manual Reset PS1-B5A 4 353 300 external 7 /16”-20 UNF PS1-B5K 4 359 200 reset capillary/nut PS1-B5L 4 715 144 6 … 31 approx. 3 bar - 20 36 cap./solder PS1-B5U 4 712 332 under solder 6 mm PS1-B5X 4 713 441 setpoint solder ¼“ Safety Pressure Cut Out for High Pressure Protection PZHH - Internal Manual Reset PS1-S5A 4 368 400 internal 7 /16”-20 UNF PS1-S5K 4 359 400 reset capillary/nut PS1-S5L 4 715 145 6 … 31 approx. 3 bar - 21 36 cap./solder PS1-S5U 4 711 591 under solder 6 mm PS1-S5X 4 713 442 setpoint solder ¼“ 107
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Alco Controls Components for Heat P
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A2.5.1/1003/E Electrical Control Va
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A2.5.1/1003/E Alco Controls Page Pr
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A2.5.1/1003/E Electrical Control Va
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Electrical Control Valves Series EX
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Liquid temperature Correction Facto
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Application Expansion Valve and Liq
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A2.5.1/1003/E Multiply above nomina
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Application Condensing Pressure Reg
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Application hot gas flow such as he
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Application hot gas flow such as he
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A2.5.1/1003/E Electronic Controller
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Electronic Superheat Controllers an
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Network Communication and System Ma
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Universal Driver Modules Series EXD
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Accessories Terminal kits, cables T
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Coldroom Controller Series EC3 Temp
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Block Diagram EC3-33x Coldroom Cont
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Selection table Accessories Descrip
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Rack and Condenser Controllers Seri
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Block Diagrams EC3-65 Rack Controll
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Network Accessories Description Cab
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Pressure Transmitter Series PT5 A2.
Page 57 and 58: Electronic Fan Speed Controller Ser
Page 59 and 60: Electronic Fan Speed Power Module F
Page 61 and 62: A2.5.1/1003/E Thermo ® -Expansion
Page 63 and 64: A2.5.1/1003/E Example Cooling capac
Page 65 and 66: TI Valve bodies without cage and nu
Page 67 and 68: A2.5.1/1003/E Alco Controls Capacit
Page 69 and 70: A2.5.1/1003/E Alco Controls Condens
Page 71 and 72: A2.5.1/1003/E Nominal capacity (Qn)
Page 73 and 74: A2.5.1/1003/E Alco Controls R 407C
Page 75 and 76: Type Code Power Assembly Refrigeran
Page 77 and 78: Liquid Correction Factor K t Temper
Page 79 and 80: Thermo ® -Expansion Valve Series Z
Page 83 and 84: Spare Parts A2.5.1/1003/E Available
Page 85 and 86: Spare Parts Description Type Part N
Page 89 and 90: A2.5.1/1003/E Solenoid Valves Alco
Page 91 and 92: Coils ASC A2.5.1/1003/E Standards
Page 93 and 94: 2-Way Solenoid Valves Series 540 No
Page 95 and 96: 2. Liquid Application Liquid Correc
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Page 99 and 100: Hot Gas Bypass Regulators Series AC
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Page 103 and 104: Crankcase Pressure Regulator Series
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Page 107: A2.5.1/1003/E Standards and Regulat
Page 111 and 112: Dual Pressure Controls PS2 TÜV / E
Page 113 and 114: Pressure Controls Series PS3 / Stan
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Page 117 and 118: Function of contacts A2.5.1/1003/E
Page 119 and 120: Room Thermostats Top Operated Therm
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Page 123 and 124: Bi-flow Filter Driers Series BFK he
Page 125 and 126: Water and Acid Capacity Connections
Page 127 and 128: Water Adsorption Capacity Type Unit
Page 129 and 130: Filter Drier Shells Series FDH for
Page 131 and 132: A2.5.1/1003/E Alco Controls Correct
Page 133 and 134: Suction Line Filters and Filter Dri
Page 135 and 136: BTAS - Water and Acid Adsorption Ca
Page 137 and 138: Moisture Liquid Indicators Series A
Page 139 and 140: A2.5.1/1003/E Oil Management Compon
Page 141 and 142: Electronic Oil Level Management Sys
Page 143 and 144: Oil Separator Series OS A2.5.1/1003
Page 145 and 146: A2.5.1/1003/E Suction Accumulators,
Page 147 and 148: Ball Valves Series BVE / BVS new ve
Page 149 and 150: A2.5.1/1003/E Accessories, Spare Pa
Page 151 and 152: Cable Assemblies with Plug A2.5.1/1
Page 153 and 154: A2.5.1/1003/E Alco Controls Descrip
Page 155 and 156: Saturation Pressure Table for Refri
Page 157 and 158: Suction accumulators (continuation)
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A2.5.1/0909/E Emerson Electric GmbH
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Alco Controls

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