Instruction book
2920 1472 03 3
1 LEADING PARTICULARS................................................................................................................... 5
1.1 General description........................................................................................................................ 5
1.2 Air flow (Figs. 1.6/1.7) .................................................................................................................. 10
1.3 Condensate drain system (Figs. 1.6/1.7).....................................................................................10
1.4 Oil system (Figs. 1.6/1.7)............................................................................................................. 10
1.5 Cooling system (Figs. 1.6/1.7) ..................................................................................................... 10
1.6 Air dryer on Full-Feature.............................................................................................................. 17
1.6.1 Compressors with an ID dryer (Figs. 1.6) ............................................................................. 17
1.6.2 Compressors with an IMD dryer (Figs. 1.7) .......................................................................... 17
1.7 Electrical system .......................................................................................................................... 18
1.8 Elektronikon control system......................................................................................................... 19
1.8.1 Automatic control of the compressor..................................................................................... 19
1.8.2 Protecting the compressor .................................................................................................... 19
1.8.3 Service warning..................................................................................................................... 19
1.8.4 Automatic restart after voltage failure ...................................................................................19
1.9 Control panel................................................................................................................................ 20
1.9.1 LEDs/buttons/keys ................................................................................................................ 20
1.9.2 Display................................................................................................................................... 21
1.9.3 Function keys (5-Fig. 1.10) ................................................................................................... 21
1.9.4 Emergency stop button (S3-Fig. 1.10) .................................................................................. 22
1.10 Menu-driven control programs................................................................................................... 22
1.10.1 Function of control programs .............................................................................................. 22
1.10.2 Main screen......................................................................................................................... 23
1.10.3 External compressor status indication ................................................................................ 23
2 INSTALLATION ................................................................................................................................. 25
2.1 Dimension drawings..................................................................................................................... 25
2.2 Installation proposal (Figs. 2.6/2.7).............................................................................................. 30
2.3 Electric cables.............................................................................................................................. 34
2.3.1 ZT15 up to ZT22 IEC............................................................................................................. 34
2.3.2 ZT15 up to ZT22 CSA/UL ..................................................................................................... 34
2.3.3 ZT/ZR30 up to ZT/ZR45 IEC.................................................................................................35
2.3.4 ZT/ZR30 up to ZT/ZR45 CSA/UL.......................................................................................... 35
2.4 Pictographs (Figs. 2.9 and 2.10).................................................................................................. 38
2.5 Cooling water requirements......................................................................................................... 39
2.5.1 Type of the system ................................................................................................................ 39
2.5.2 Cooling water parameters ..................................................................................................... 39
3 OPERATING INSTRUCTIONS .......................................................................................................... 43
3.1 Initial start-up ............................................................................................................................... 43
3.2 Starting (Fig. 3.4) ......................................................................................................................... 48
3.3 During operation (Fig. 3.4)........................................................................................................... 48
3.3.1 Checking the display (2-Fig. 3.4) .......................................................................................... 48
3.3.2 On compressors with an IMD dryer (Fig. 1.5) ....................................................................... 50
3.4 Stopping (Fig. 3.4) ....................................................................................................................... 50
3.5 Taking out of operation ................................................................................................................ 50
4 MAINTENANCE ................................................................................................................................. 51
4.1 Preventive maintenance schedule for the compressor................................................................ 51
4.1.1 Regular service operations ................................................................................................... 51
4.1.2 Service kits ............................................................................................................................ 51
4.1.3 Service agreements .............................................................................................................. 51
4.1.4 Service plan........................................................................................................................... 52
4.2 Motor greasing ............................................................................................................................. 52
4.2.1 Fan motor (ZT) ...................................................................................................................... 52
4.2.2 Drive motor (M1-Fig. 1.2) ...................................................................................................... 52
4.3 Oil specifications .......................................................................................................................... 52
4.4 Storage after installation .............................................................................................................. 52
4.5 Service kits................................................................................................................................... 52
5 SERVICING PROCEDURES ............................................................................................................. 54