User manual

Industrial Air Division
2920 1163 04
26
6 Principal data
Dryer control switch (only on GA Full-feature) Cut-out pressure Switch-on pressure Unit Ref.
Fan control switch ..............................................................13 16 bar(e) S3
Dryer shut-down switch (only on TÜV-approved GA Full-feature) Breaks at Unit Ref.
Dryer shut-down switch...................................................... 25 bar(e) S7
6.1 Readings on display (4-Fig. 7a) 1)
Ref.: Air outlet pressure
Reading: Modulates between programmed unloading and
loading pressures.
Shown: On main display (Fig. 7b), when:
- switching on voltage
- selecting main display with keys Menu and
Main (5-Fig. 7a)
- keys of module are not used for four minutes
Sensor: PT20-Fig. 2b
Ref.: Compressor element outlet temperature
Reading: Approx. 60°C/108°F above cooling air temperature
or above cooling water temperature
Shown: When using the key More (5-Fig. 7a) on the main
display (Fig. 7b)
Sensor: TT11-Fig. 2b
On Full-feature also:
Ref.: Dewpoint temperature
Reading: 3°C (37°F)
Shown: When using the key More (5-Fig. 7a) on the main
display (Fig. 7b)
Sensor: TT90
1) See User manual for electronic regulator, sections "Modify
settings submenu" and "More function"
6.2 Settings of switches and safety valve
Safety valve
Compressor type Set pressure(e)
- GA30/37/45 7.5 bar 8.5 bar(e)
- GA30/37/45 10 bar 11.5 bar(e)
- GA30/37/45 13 bar 14.5 bar(e)
- GA30/37/45 100 psi 145 psig
- GA30/37/45 125 psi 145 psig
- GA30/37/45 150 psi 175 psig
- GA30/37/45 175 psi 200 psig
- GA30/37/45 7.5 bar/ISPESL approved 9.3 bar(e)
- GA30/37/45 10 bar/ISPESL approved 11 bar(e)
- GA30/37/45 13 bar/ISPESL approved 14 bar(e)