10. Specification for Option M
10- 2
10.3
Installation of motor type auto drain
1) Hold the hexagon-head part (width across flats: 32) at port Rc1/2 of the air dryer with spanner.
Then install nipple, ball valve (width across flats: 25).
Note 1) Put up the seal tape or the sealant to the nipple. Torque R1/2: 28 to 30Nm
2) Hold the ball valve with the spanner. Then install a nipple and a motor type auto drain.
Install with “out port" down in a vertical position. Inclination from the vertical line should be less than 5°.
3) Install one-touch fitting (width across flats: 17) to drain port (width across flats: 30) and the drain tube.
4) Connect the 2 electric cables coming out from the auto drain with the two electric cables from the dryer
unit. Insert the drip-proof connector to the deepest part.
10.4 Electric wiring diagram
IDU15E1-10-M
IDU15E1-20-M
Symbol
Description
Symbol
Description
CM
Refrigerating compressor
TB
Terminal block
FM1
Fan motor
C01
Capacitor for running refrigerating compressor
FM2
Fan motor
C02
Capacitor for starting refrigerating compressor
OLR
Overload relay
C11
Capacitor for running fan motor
ILS
Switch with lamp
C12
Capacitor for running fan motor
PTC
PTC Starter
CR
CR Unit
PRS
Pressure switch
MOV
Motor type auto drain
PC
Power supply cable
MOV
CR
PC
C02
PTC
C11
C12
C01
PRS
P
OLR
CM
FM1
FM2
ILS
MOV
CR
PE
N
L
TB
CM
FM1
FM2
OLR
P
PRS
PTC
C11
C12
ILS