Air Dryer
1 Name and Functions Parts
1
Parts Name and Functions
1 - 1
Parts Name and Functions
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IDU22E,37E
Front
Terminal block
You can see the terminal block when you
remove front panel. Connect the power
cable through the rubber grommet.
(3 phase AC200V)
Auto Drain
Check if drained
correctly once a day.
Compressed Air (IN)
Ball Valve
Thermal relay
(The thermal relay is
placed at the inside of
a front panel.) Refer to
page 5-2 to reset the
thermal relay.
L1
L2
L3 PE
（
）
Switch with Lamp
(ON/OFF Switch)
The lamp is continuously ON
during normal operation. Use it
for ON/OFF operations.
Evaporation
thermometer
(Evaporating Temp)
Indicates the temperature
of refrigerant of
low-pressure side.
During normal driving, it
indicates in the green
zone.
Drain Tube
Discharges drain.
not block with wall and so on.
Customer Connection Side
Terminal Connecting Screw: M3
Applied Pressure Terminal: 1.25-3
(Width 6.5mm and below)
Front panel mounting screw
I can be found at left side (4 pcs in total).
Right Side Ventilation Grille
(Outlet)
Waste heat will be exhausted
as hot air by the fan motor. Do
Compressed Air (OUT)
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