Alco Controls - Grobelny
Alco Controls - Grobelny
Alco Controls - Grobelny
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Block Diagrams<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 = Up to 6 fans, from which 1 fan can be<br />
speed controlled<br />
8 = Speed controlled fan (see 7)<br />
9 = Heat recovery solenoid<br />
42<br />
EC3-92x Rack and Condenser Controller<br />
Inputs<br />
1 = Discharge temperature<br />
2 = Ambient temperature<br />
3 = Suction pressure<br />
4 = Condensing pressure<br />
5 = Serial alarm inputs for 4 compressors<br />
6 = Low pressure alarm<br />
7 = High pressure alarm<br />
8 = Oil level alarm<br />
9 = Refrigerant level alarm<br />
10 = Serial alarms for 3 fans<br />
11 = Heat recovery demand<br />
Outputs<br />
12 = Up to 4 compressors<br />
13 = Up to 3 fans, from with 1 fan can be<br />
speed controlled<br />
14 = Speed controlled fan (see 13)<br />
15= Heat recovery solenoid<br />
Accessories<br />
Description Cable Length Type Order Nr.<br />
Terminal kits for EC3-61x K03-610 807 652<br />
Terminal kits for EC3-64x K03-640 807 653<br />
Terminal kits for EC3-67x K03-110 807 656<br />
Terminal kits for EC3-75x K03-750 807 654<br />
Terminal kits for EC3-81x K03-640 807 653<br />
Terminal kits for EC3-92x K03-920 807 655<br />
Display unit for EC3-600 to EC3-900 ECD-000 807 640<br />
Connection cable EC3 to ECD 1,0 m ECC-N10 807 860<br />
NTC Sensor, single insulated for ambient 1,5 m ECN-S15 804 304<br />
temp. sensing -50 ... +50°C (10 kΩ at 25°C) 3,0 m ECN-S30 804 305<br />
NTC Sensor, single insulated for discharge<br />
6,0 m ECN-S60 804 284<br />
temp. sensing +50 ... +150°C (1 MΩ at 25°C) 6,0 m ECN-H60 804 359<br />
Humidity sensors temp. & humidity (wall) ECS-TH1 804 355<br />
temp. & humidity (duct) ECS-TH2 804 356<br />
Pressure transmitter PT4 for suction and condensing pressure sensing (details see page 46)<br />
-0.8 … 7 bar, 4 … 20 mA PT4-07S 802 320<br />
0 … 18 bar, 4 … 20 mA PT4-18S 802 322<br />
0 … 30 bar, 4 … 20 mA PT4-30S 802 324<br />
Cable assembly (3,0/6,0m see page 46) 1,5m PT4-L15 804 593<br />
K03-610<br />
ECD-000<br />
ECS-TH1 ECS-TH2<br />
PT4-xxS PT4-Lxx<br />
A2.5.1/0604/E
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