Alco Controls - Grobelny
Alco Controls - Grobelny
Alco Controls - Grobelny
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Block Diagrams<br />
EC3-61x Rack Controller for 4 Compressors<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 />
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 = For up to 12 compressor levels<br />
A2.5.1/0604/E<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 />
EC3-81x Dual Ciruit Rack Controller (4 + 3 compressors)<br />
Inputs<br />
1 = Discharge temperature inputs of 3 compressors<br />
2 = Suction pressure group A<br />
3 = Suction pressure group B<br />
4 = Serial alarm input for each compressor respectively<br />
5 = Refrigerant level alarm<br />
6 = Low pressure alarm group A<br />
7 = Low pressure alarm group B<br />
8 = High pressure alarm<br />
9 = Oil level alarm<br />
Outputs<br />
10 = For up to 4 compressors suction group A<br />
11 = For up to 3 compressors suction group B<br />
41
Change language