Atlas Copco Air Compressor

Instruction book
2920 1521 00 3
1 LEADING PARTICULARS................................................................................................................... 5
1.1 General description........................................................................................................................ 5
1.1.1 Compressor variants ............................................................................................................... 5
1.1.2 Compressor elements (Fig. 1.1).............................................................................................. 5
1.2 Air flow ........................................................................................................................................... 9
1.3 Cooling and condensate drain systems (Fig. 1.9) ......................................................................... 9
1.4 Regulating system on SF Skid - Tank-mounted - Twin ............................................................... 10
1.5 Regulating system on SF Multi .................................................................................................... 11
1.5.1 Controlling the compressor ................................................................................................... 11
1.5.2 Protecting the compressor .................................................................................................... 11
1.5.3 Monitoring components subject to service............................................................................ 11
1.5.4 Automatic restart after voltage failure ...................................................................................11
1.5.5 Control panel (Fig. 1.11) ....................................................................................................... 12
1.5.6 Display – keys ....................................................................................................................... 13
1.5.7 Function keys (5-Fig. 1.11) ................................................................................................... 13
1.6 Electric cabinet on SF Multi ......................................................................................................... 15
1.7 Air dryer on SF Full-Feature (Fig. 1.15)....................................................................................... 16
2 INSTALLATION ................................................................................................................................. 17
2.1 Dimension drawings (Figs. 2.1 up to 2.5) ....................................................................................17
2.2 Installation proposal (Fig. 2.6) ..................................................................................................... 22
2.3 Electrical connections .................................................................................................................. 24
2.4 Pictographs .................................................................................................................................. 27
3 OPERATING INSTRUCTIONS .......................................................................................................... 28
3.1 Initial start-up ............................................................................................................................... 28
3.2 Starting......................................................................................................................................... 28
3.2.1 Multi....................................................................................................................................... 28
3.2.2 Skid - Tank-mounted - Twin .................................................................................................. 28
3.3 During operation .......................................................................................................................... 29
3.3.1 Multi....................................................................................................................................... 29
3.3.2 Skid - Tank-mounted - Twin .................................................................................................. 29
3.4 Stopping....................................................................................................................................... 29
3.4.1 Multi....................................................................................................................................... 29
3.4.2 Skid - Tank-mounted - Twin .................................................................................................. 29
3.5 Taking out of operation at end of compressor service life........................................................... 29
4 MAINTENANCE ................................................................................................................................. 30
4.1 Compressor drive motors ............................................................................................................ 30
4.2 Preventive maintenance schedule for the compressor................................................................ 30
5 ADJUSTMENTS AND SERVICING PROCEDURES ........................................................................ 32
5.1 Air filter (1-Figs. 1.7/1.8) .............................................................................................................. 32
5.2 Belt exchange/tensioning (Fig. 5.1) ............................................................................................. 32
5.3 Coolers......................................................................................................................................... 32
5.4 Safety valve ................................................................................................................................. 33
6 PROBLEM SOLVING ........................................................................................................................ 34
7 PRINCIPAL DATA ............................................................................................................................. 35
7.1 Electric cable size for SF1-8 ........................................................................................................ 35
7.2 Electric cable size for SF 6-15 Multi ............................................................................................ 35
7.3 Overload relays for SF1-8............................................................................................................ 36
7.4 Overload relays for SF6-15 Multi ................................................................................................. 36
7.5 Main fuses for SF1-8.................................................................................................................... 37
7.6 Main fuses for SF6-15 Multi......................................................................................................... 37
7.7 Reference conditions/limitations .................................................................................................. 37
7.8 SF1-4 8bar 50 Hz 1) ................................................................................................................... 38
7.9 SF2-4 10 bar 50 Hz 1) ................................................................................................................ 38
7.10 SF1-4 100 psi 60 Hz 1)............................................................................................................. 38
7.11 SF2-4 145 psi 60 Hz 1)............................................................................................................. 38
7.12 SF6-15 Multi 8 bar 50 Hz 1)...................................................................................................... 39
7.13 SF6-15 Multi 10 bar 50 Hz 1).................................................................................................... 39
7.14 SF6-15 Multi 100 psi 60 Hz 1) .................................................................................................. 39
7.15 SF6-15 Multi 125 psi 60 Hz 1) .................................................................................................. 40