Instruction book 
2920 1472 03    37 
Text on figure 2.8 
 
(1) Customer's installation 
(2)  Remote emergency stop 
(3)  All voltages (50 and 60 Hz) except: 
440-460 V 60 Hz 
(4)  Star connection: all other voltages 
(5) ID dryer 
(6)  Delta connection: 200-220-230 V 
50/60 Hz (see motor data plate for 
correct connection) 
(7) Warning 
(8) Shut-down 
(9)  Marking of connectors 2X5 to 2X12 
(10) Emergency stop 
(11) Remote start/Programmed stop 
(12)  Remote load/unload (closed = load) 
(13)  Remote pressure sensing (link = 
remote) 
(14)  Overload, main motor 
(15)  Overload, fan motor (only ZT) 
(16)  Fault, electronic water drain 
(17) Not used 
(18)  Remote Pressure Set Point Selection 
(open = set 1 / closed = set 2) 
(19)  Fault, electronic water drain (IMD 
dryer) 
(20) Thermistor warning 
(21) Thermistor shut-down 
(22)  Marking of connectors 2X5 to 2X12 
(23)  Pressure transducer, pin 
configuration
 
Electric components on figure 2.8 
 
COMPRESSOR 
A1  Dryer (Full-Feature with ID) 
B1  Electronic water drain, aftercooler 
(optional) 
B2  Electronic water drain, intercooler 
(optional) 
B4/6  Electronic water drains, Full-Feature 
IMD 
M1 Compressor motor 
M2  Fan motor, compressor coolers 
M40  Motor IMD dryer (Full-Feature IMD) 
PDT02  Delta P switch, air filter 
PT18  Pressure sensor, intercooler 
PT29  Pressure sensor, delivery air 
PT45  Pressure sensor, oil 
Rs  Crankcase heater (Full-Feature ID) 
TT11  Temperature sensor, element 1 outlet 
TT18  Temperature sensor, HP inlet 
TT21  Temperature sensor, element 2 outlet 
TT29  Temperature sensor, delivery air 
TT45  Temperature sensor, oil injection 
TT51  Temperature sensor, cooling water inlet 
(ZR) 
TT58  Temperature sensor, intercooler cooling 
water out (ZR) 
TT59  Temperature sensor, aftercooler cooling 
water out (ZR) 
TT84  Temperature sensor, regeneration air 
out (Full-Feature IMD) 
TT87  Temperature sensor, wet air in (Full-
Feature IMD) 
TT89  Pressure dewpoint sensor 
Y1  Solenoid valve, load-unload valve 
Y3  Solenoid valve, breather 
Y51  Shut-off valve, cooling water (ZR - 
optional) 
 
STARTER CUBICLE 
E1 Elektronikon control module 
F1/11 Fuses 
F21  Overload relay, drive motor 
K11  Contactor, Full-Feature ID 
K14  Contactor, Full-Feature IMD dryer 
K21 Line contactor 
K22 Star contactor 
K23 Delta contactor 
Q15  Circuit breaker, fan motor (ZT) 
S1’  Remote Start/Programmed Stop 
S3  Emergency stop button 
S3’  Remote emergency stop 
S4’ Remote load/unload 
S6’  Remote pressure set selection 
T1/2 Transformers 
1X1/8 Terminal strips 
 
CONTROL MODULE (E1) 
I Start button 
K01 Blocking relay 
K02  Auxiliary relay, star contactor 
K03  Auxiliary relay, delta contactor 
K04  Auxiliary relay, solenoid valve 
load/unload 
K05 Auxiliary relay, air pressure high/low 
K06  Auxiliary relay, dryer 
K07  Auxiliary relay, manual/automatic 
operation 
K08  Auxiliary relay, general warning 
K09  Auxiliary relay, general shut-down 
O Stop button