Alco Controls
Alco Controls Alco Controls
Block Diagrams EC3-61x / EC3-62x Rack Controller for 4 Compressors (EC3-62x: 3 Compressors and one Digital Scroll) Inputs 1 = Discharge temperatures of up to 4 compressors 2 = Suction pressure 3 = Discharge pressure 4 = Serial alarm inputs for up to 4 compressors 5 = Low pressure alarm 6 = High pressure alarm 7 = Oil level alarm 8 = Refrigerant level alarm Outputs 9 = for up to 4 compressors 10= to control a digital scroll (EC3-62x only) EC3-67x Rack Controller for Capacity Controlled Compressors Inputs 1 = Suction pressure 2 = Discharge pressure 3 = Serial alarm inputs for up to 6 compressors 4 = Low pressure alarm 5 = High pressure alarm 6 = Oil level alarm 7 = Refrigerant level alarm Outputs 8 = 12 outputs for up to 6x2 / 4x3 / 3x4 capacity controlled compressors 46 EC3-64x Rack Controller for 8 Compressors Inputs 1 = Suction pressure 2 = Discharge pressure 3 = Serial alarm inputs for up to 8 compressors 4 = Low pressure alarm 5 = High pressure alarm 6 = Oil level alarm 7 = Refrigerant level alarm Outputs 8 = For up to 8 compressors EC3-75x Condenser Controller Inputs 1 = Ambient temperature 2 = Humidity sensor 3 = Condensing pressure 4 = Serial alarm inputs for up to 6 fans 5 = High pressure alarm 6 = Heat recovery demand Outputs 7 = For up to 6 stages, from which 1 can be speed controlled 8 = Speed controlled fan (see 7) 9 = Heat recovery solenoid A2.5.1/0706/E
Block Diagrams EC3-81x Dual Ciruit Rack Controller (4 + 3 compressors) Inputs 1 = Discharge temperature inputs of 3 compressors 2 = Suction pressure group A 3 = Suction pressure group B 4 = Serial alarm input for each compressor respectively 5 = Refrigerant level alarm 6 = Low pressure alarm group A 7 = Low pressure alarm group B 8 = High pressure alarm 9 = Oil level alarm Outputs 10 = For up to 4 compressors suction group A 11 = For up to 3 compressors suction group B Technical Data A2.5.1/0706/E EC3-92x Rack and Condenser Controller Inputs 1 = Discharge temperature 2 = Ambient temperature 3 = Suction pressure 4 = Condensing pressure 5 = Serial alarm inputs for 4 compressors 6 = Low pressure alarm 7 = High pressure alarm 8 = Oil level alarm 9 = Refrigerant level alarm 10 = Serial alarms for 3 fans 11 = Heat recovery demand Outputs 12 = Up to 4 compressors 13 = Up to 3 fans, from with 1 fan can be speed controlled 14 = Speed controlled fan (see 13) 15= Heat recovery solenoid EC3 Controller ECD-000 Display Unit Supply voltage 24 VAC ±10%, 50/60 Hz Class II only Supply voltage via ECC-N10 from EC3 controller Power consumption 20 VA max. Display Numeric segmental display, LED red, 2½ digits, numeric value Plug-in connector Removable screw terminals device status and alarm indication Digital I/Os wire size 0.5 … 2.5 mm2 LEDs 1 x unit indicator bar/°C Analog I/O wire size 0.14 … 1.5 mm2 1 x alarm LED Communication LON: FTT10 Connecting lead 1,0 m (ECC-N10) interface TCP/IP: Ethernet with Web Server Operating Keys 4 operating keys: programming, service/up, select/down Temperature Temperature storage -20 … +65°C storage -20 … +65°C operating 0 … +60°C operating 0 … +60°C Humidity 0 … 80% r.h. non condensing Humidity 0 … 80% r.h. non condensing Protection class IP20 Protection class IP 65 (front panel with gasket) Weight ~ 810 g Weight ~ 52 g Mounting DIN-rail mount Mounting Panel mount (71x29mm cutout) 47
- Page 1 and 2: Alco Controls Components for the Re
- Page 3 and 4: A2.5. /0706/E Electrical Control Va
- Page 5 and 6: Fan Speed, Temperature and Pressure
- Page 7 and 8: A2.5. /0706/E Electrical Control Va
- Page 9 and 10: Electrical Control Valves Series EX
- Page 11 and 12: Liquid temperature Correction Facto
- Page 13 and 14: Capacity Data Application Expansion
- Page 15 and 16: Application Expansion Valve and Liq
- Page 17 and 18: Application Expansion Valve and Liq
- Page 19 and 20: Application Expansion Valve and Liq
- Page 21 and 22: Application Hot Gas Bypass - Nomina
- Page 23 and 24: Application Suction Pressure Regula
- Page 25 and 26: Application Condensing Pressure Reg
- Page 27 and 28: Application hot gas flow such as he
- Page 29 and 30: Application hot gas flow such as he
- Page 31 and 32: A2.5.1/0706/E Electronic Controller
- Page 33 and 34: Electronic Controllers with Network
- Page 35 and 36: Selection Table Electronic Controll
- Page 37 and 38: Universal Driver Modules Series EXD
- Page 39 and 40: Accessories Type Part No. Terminal
- Page 41 and 42: Coldroom Controller Series EC3 Temp
- Page 43 and 44: Block Diagram EC3-33x Coldroom Cont
- Page 45 and 46: Selection table TCP/IP LON Descript
- Page 47: Rack and Condenser Controllers Seri
- Page 51 and 52: Network Accessories Description Cab
- Page 53 and 54: Pressure Transmitter Series PT4 A2.
- Page 55 and 56: Electronic Fan Speed Power Module F
- Page 57 and 58: A2.5.1/0706/E Thermo ® -Expansion
- Page 59 and 60: A2.5.1/0706/E Example Cooling capac
- Page 61 and 62: TIS(E) Valve bodies - solder type m
- Page 63 and 64: Capacity kW Valve Type TI..-M.... C
- Page 65 and 66: Condensing Temperature R 22 Capacit
- Page 67 and 68: R 407C Nominal less MOP with Standa
- Page 69 and 70: A2.5.1/0706/E Available upon specia
- Page 71 and 72: Liquid Correction Factor K t Temper
- Page 73 and 74: Thermo ® -Expansion Valve Series Z
- Page 75 and 76: Liquid Correction Factor K t Temper
- Page 77 and 78: Accessories A2.5.1/0706/E Available
- Page 79 and 80: Accessories Description Type Part N
- Page 81 and 82: Liquid Correction Factor K t Temper
- Page 83 and 84: A2.5.1/0706/E Solenoid Valves 81
- Page 85 and 86: Coils ASC Type Part No. Voltage Pow
- Page 87 and 88: 2-Way Solenoid Valves Series 540 No
- 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
Block Diagrams<br />
EC3-61x / EC3-62x Rack Controller for 4 Compressors<br />
(EC3-62x: 3 Compressors and one Digital Scroll)<br />
Inputs<br />
1 = Discharge temperatures of up to 4 compressors<br />
2 = Suction pressure<br />
3 = Discharge pressure<br />
4 = Serial alarm inputs for up to 4 compressors<br />
5 = Low pressure alarm<br />
6 = High pressure alarm<br />
7 = Oil level alarm<br />
8 = Refrigerant level alarm<br />
Outputs<br />
9 = for up to 4 compressors<br />
10= to control a digital scroll (EC3-62x only)<br />
EC3-67x Rack Controller for Capacity Controlled Compressors<br />
Inputs<br />
1 = Suction pressure<br />
2 = Discharge pressure<br />
3 = Serial alarm inputs for up to 6 compressors<br />
4 = Low pressure alarm<br />
5 = High pressure alarm<br />
6 = Oil level alarm<br />
7 = Refrigerant level alarm<br />
Outputs<br />
8 = 12 outputs for up to 6x2 / 4x3 / 3x4 capacity<br />
controlled compressors<br />
46<br />
EC3-64x Rack Controller for 8 Compressors<br />
Inputs<br />
1 = Suction pressure<br />
2 = Discharge pressure<br />
3 = Serial alarm inputs for up to 8 compressors<br />
4 = Low pressure alarm<br />
5 = High pressure alarm<br />
6 = Oil level alarm<br />
7 = Refrigerant level alarm<br />
Outputs<br />
8 = For up to 8 compressors<br />
EC3-75x Condenser Controller<br />
Inputs<br />
1 = Ambient temperature<br />
2 = Humidity sensor<br />
3 = Condensing pressure<br />
4 = Serial alarm inputs for up to 6 fans<br />
5 = High pressure alarm<br />
6 = Heat recovery demand<br />
Outputs<br />
7 = For up to 6 stages, from which 1 can<br />
be speed controlled<br />
8 = Speed controlled fan (see 7)<br />
9 = Heat recovery solenoid<br />
A2.5.1/0706/E
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